set up basics for slides with reveal.js
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app/assets/javascripts/highlight.js
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app/assets/javascripts/highlight.js
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app/assets/javascripts/reveal.js
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app/assets/javascripts/reveal.js
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/*!
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* reveal.js
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* http://revealjs.com
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* MIT licensed
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*
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* Copyright (C) 2019 Hakim El Hattab, http://hakim.se
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*/
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(function( root, factory ) {
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if( typeof define === 'function' && define.amd ) {
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// AMD. Register as an anonymous module.
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define( function() {
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root.Reveal = factory();
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return root.Reveal;
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} );
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} else if( typeof exports === 'object' ) {
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// Node. Does not work with strict CommonJS.
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module.exports = factory();
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} else {
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// Browser globals.
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root.Reveal = factory();
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}
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}( this, function() {
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'use strict';
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var Reveal;
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// The reveal.js version
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var VERSION = '3.8.0';
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var SLIDES_SELECTOR = '.slides section',
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HORIZONTAL_SLIDES_SELECTOR = '.slides>section',
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VERTICAL_SLIDES_SELECTOR = '.slides>section.present>section',
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HOME_SLIDE_SELECTOR = '.slides>section:first-of-type',
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UA = navigator.userAgent,
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// Configuration defaults, can be overridden at initialization time
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config = {
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// The "normal" size of the presentation, aspect ratio will be preserved
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// when the presentation is scaled to fit different resolutions
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width: 960,
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height: 700,
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// Factor of the display size that should remain empty around the content
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margin: 0.04,
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// Bounds for smallest/largest possible scale to apply to content
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minScale: 0.2,
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maxScale: 2.0,
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// Display presentation control arrows
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controls: true,
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// Help the user learn the controls by providing hints, for example by
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// bouncing the down arrow when they first encounter a vertical slide
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controlsTutorial: true,
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// Determines where controls appear, "edges" or "bottom-right"
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controlsLayout: 'bottom-right',
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// Visibility rule for backwards navigation arrows; "faded", "hidden"
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// or "visible"
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controlsBackArrows: 'faded',
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// Display a presentation progress bar
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progress: true,
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// Display the page number of the current slide
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// - true: Show slide number
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// - false: Hide slide number
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//
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// Can optionally be set as a string that specifies the number formatting:
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// - "h.v": Horizontal . vertical slide number (default)
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// - "h/v": Horizontal / vertical slide number
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// - "c": Flattened slide number
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// - "c/t": Flattened slide number / total slides
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//
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// Alternatively, you can provide a function that returns the slide
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// number for the current slide. The function needs to return an array
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// with one string [slideNumber] or three strings [n1,delimiter,n2].
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// See #formatSlideNumber().
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slideNumber: false,
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// Can be used to limit the contexts in which the slide number appears
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// - "all": Always show the slide number
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// - "print": Only when printing to PDF
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// - "speaker": Only in the speaker view
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showSlideNumber: 'all',
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// Use 1 based indexing for # links to match slide number (default is zero
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// based)
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hashOneBasedIndex: false,
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// Add the current slide number to the URL hash so that reloading the
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// page/copying the URL will return you to the same slide
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hash: false,
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// Push each slide change to the browser history. Implies `hash: true`
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history: false,
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// Enable keyboard shortcuts for navigation
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keyboard: true,
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// Optional function that blocks keyboard events when retuning false
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keyboardCondition: null,
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// Enable the slide overview mode
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overview: true,
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// Disables the default reveal.js slide layout so that you can use
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// custom CSS layout
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disableLayout: false,
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// Vertical centering of slides
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center: true,
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// Enables touch navigation on devices with touch input
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touch: true,
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// Loop the presentation
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loop: false,
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// Change the presentation direction to be RTL
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rtl: false,
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// Changes the behavior of our navigation directions.
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//
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// "default"
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// Left/right arrow keys step between horizontal slides, up/down
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// arrow keys step between vertical slides. Space key steps through
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// all slides (both horizontal and vertical).
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//
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// "linear"
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// Removes the up/down arrows. Left/right arrows step through all
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// slides (both horizontal and vertical).
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//
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// "grid"
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// When this is enabled, stepping left/right from a vertical stack
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// to an adjacent vertical stack will land you at the same vertical
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// index.
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//
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// Consider a deck with six slides ordered in two vertical stacks:
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// 1.1 2.1
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// 1.2 2.2
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// 1.3 2.3
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//
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// If you're on slide 1.3 and navigate right, you will normally move
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// from 1.3 -> 2.1. If "grid" is used, the same navigation takes you
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// from 1.3 -> 2.3.
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navigationMode: 'default',
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// Randomizes the order of slides each time the presentation loads
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shuffle: false,
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// Turns fragments on and off globally
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fragments: true,
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// Flags whether to include the current fragment in the URL,
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// so that reloading brings you to the same fragment position
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fragmentInURL: false,
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// Flags if the presentation is running in an embedded mode,
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// i.e. contained within a limited portion of the screen
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embedded: false,
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// Flags if we should show a help overlay when the question-mark
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// key is pressed
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help: true,
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// Flags if it should be possible to pause the presentation (blackout)
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pause: true,
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// Flags if speaker notes should be visible to all viewers
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showNotes: false,
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// Global override for autolaying embedded media (video/audio/iframe)
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// - null: Media will only autoplay if data-autoplay is present
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// - true: All media will autoplay, regardless of individual setting
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// - false: No media will autoplay, regardless of individual setting
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autoPlayMedia: null,
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// Global override for preloading lazy-loaded iframes
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// - null: Iframes with data-src AND data-preload will be loaded when within
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// the viewDistance, iframes with only data-src will be loaded when visible
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// - true: All iframes with data-src will be loaded when within the viewDistance
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// - false: All iframes with data-src will be loaded only when visible
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preloadIframes: null,
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// Controls automatic progression to the next slide
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// - 0: Auto-sliding only happens if the data-autoslide HTML attribute
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// is present on the current slide or fragment
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// - 1+: All slides will progress automatically at the given interval
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// - false: No auto-sliding, even if data-autoslide is present
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autoSlide: 0,
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// Stop auto-sliding after user input
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autoSlideStoppable: true,
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// Use this method for navigation when auto-sliding (defaults to navigateNext)
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autoSlideMethod: null,
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// Specify the average time in seconds that you think you will spend
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// presenting each slide. This is used to show a pacing timer in the
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// speaker view
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defaultTiming: null,
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// Enable slide navigation via mouse wheel
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mouseWheel: false,
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// Apply a 3D roll to links on hover
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rollingLinks: false,
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// Hides the address bar on mobile devices
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hideAddressBar: true,
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// Opens links in an iframe preview overlay
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// Add `data-preview-link` and `data-preview-link="false"` to customise each link
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// individually
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previewLinks: false,
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// Exposes the reveal.js API through window.postMessage
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postMessage: true,
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// Dispatches all reveal.js events to the parent window through postMessage
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postMessageEvents: false,
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// Focuses body when page changes visibility to ensure keyboard shortcuts work
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focusBodyOnPageVisibilityChange: true,
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// Transition style
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transition: 'slide', // none/fade/slide/convex/concave/zoom
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// Transition speed
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transitionSpeed: 'default', // default/fast/slow
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// Transition style for full page slide backgrounds
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backgroundTransition: 'fade', // none/fade/slide/convex/concave/zoom
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// Parallax background image
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parallaxBackgroundImage: '', // CSS syntax, e.g. "a.jpg"
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// Parallax background size
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parallaxBackgroundSize: '', // CSS syntax, e.g. "3000px 2000px"
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// Parallax background repeat
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parallaxBackgroundRepeat: '', // repeat/repeat-x/repeat-y/no-repeat/initial/inherit
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// Parallax background position
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parallaxBackgroundPosition: '', // CSS syntax, e.g. "top left"
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// Amount of pixels to move the parallax background per slide step
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parallaxBackgroundHorizontal: null,
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parallaxBackgroundVertical: null,
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// The maximum number of pages a single slide can expand onto when printing
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// to PDF, unlimited by default
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pdfMaxPagesPerSlide: Number.POSITIVE_INFINITY,
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// Prints each fragment on a separate slide
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pdfSeparateFragments: true,
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// Offset used to reduce the height of content within exported PDF pages.
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// This exists to account for environment differences based on how you
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// print to PDF. CLI printing options, like phantomjs and wkpdf, can end
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// on precisely the total height of the document whereas in-browser
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// printing has to end one pixel before.
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pdfPageHeightOffset: -1,
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// Number of slides away from the current that are visible
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viewDistance: 3,
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// The display mode that will be used to show slides
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display: 'block',
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// Hide cursor if inactive
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hideInactiveCursor: true,
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// Time before the cursor is hidden (in ms)
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hideCursorTime: 5000,
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// Script dependencies to load
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dependencies: []
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},
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// Flags if Reveal.initialize() has been called
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initialized = false,
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// Flags if reveal.js is loaded (has dispatched the 'ready' event)
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loaded = false,
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// Flags if the overview mode is currently active
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overview = false,
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// Holds the dimensions of our overview slides, including margins
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overviewSlideWidth = null,
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overviewSlideHeight = null,
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// The horizontal and vertical index of the currently active slide
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indexh,
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indexv,
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// The previous and current slide HTML elements
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previousSlide,
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currentSlide,
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previousBackground,
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// Remember which directions that the user has navigated towards
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hasNavigatedRight = false,
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hasNavigatedDown = false,
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// Slides may hold a data-state attribute which we pick up and apply
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// as a class to the body. This list contains the combined state of
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// all current slides.
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state = [],
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// The current scale of the presentation (see width/height config)
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scale = 1,
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// CSS transform that is currently applied to the slides container,
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// split into two groups
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slidesTransform = { layout: '', overview: '' },
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// Cached references to DOM elements
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dom = {},
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// A list of registered reveal.js plugins
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plugins = {},
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// List of asynchronously loaded reveal.js dependencies
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asyncDependencies = [],
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// Features supported by the browser, see #checkCapabilities()
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features = {},
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// Client is a mobile device, see #checkCapabilities()
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isMobileDevice,
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// Client is a desktop Chrome, see #checkCapabilities()
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isChrome,
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// Throttles mouse wheel navigation
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lastMouseWheelStep = 0,
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// Delays updates to the URL due to a Chrome thumbnailer bug
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writeURLTimeout = 0,
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// Is the mouse pointer currently hidden from view
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cursorHidden = false,
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// Timeout used to determine when the cursor is inactive
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cursorInactiveTimeout = 0,
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// Flags if the interaction event listeners are bound
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eventsAreBound = false,
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// The current auto-slide duration
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autoSlide = 0,
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// Auto slide properties
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autoSlidePlayer,
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autoSlideTimeout = 0,
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autoSlideStartTime = -1,
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autoSlidePaused = false,
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// Holds information about the currently ongoing touch input
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touch = {
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startX: 0,
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startY: 0,
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startCount: 0,
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captured: false,
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threshold: 40
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},
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// A key:value map of shortcut keyboard keys and descriptions of
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// the actions they trigger, generated in #configure()
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keyboardShortcuts = {},
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// Holds custom key code mappings
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registeredKeyBindings = {};
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/**
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* Starts up the presentation if the client is capable.
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*/
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function initialize( options ) {
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// Make sure we only initialize once
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if( initialized === true ) return;
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initialized = true;
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checkCapabilities();
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if( !features.transforms2d && !features.transforms3d ) {
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document.body.setAttribute( 'class', 'no-transforms' );
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// Since JS won't be running any further, we load all lazy
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// loading elements upfront
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var images = toArray( document.getElementsByTagName( 'img' ) ),
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iframes = toArray( document.getElementsByTagName( 'iframe' ) );
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var lazyLoadable = images.concat( iframes );
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for( var i = 0, len = lazyLoadable.length; i < len; i++ ) {
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var element = lazyLoadable[i];
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if( element.getAttribute( 'data-src' ) ) {
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element.setAttribute( 'src', element.getAttribute( 'data-src' ) );
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element.removeAttribute( 'data-src' );
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}
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}
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// If the browser doesn't support core features we won't be
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// using JavaScript to control the presentation
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return;
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}
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// Cache references to key DOM elements
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dom.wrapper = document.querySelector( '.reveal' );
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dom.slides = document.querySelector( '.reveal .slides' );
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// Force a layout when the whole page, incl fonts, has loaded
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window.addEventListener( 'load', layout, false );
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var query = Reveal.getQueryHash();
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// Do not accept new dependencies via query config to avoid
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// the potential of malicious script injection
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if( typeof query['dependencies'] !== 'undefined' ) delete query['dependencies'];
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// Copy options over to our config object
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extend( config, options );
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extend( config, query );
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// Hide the address bar in mobile browsers
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hideAddressBar();
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// Loads dependencies and continues to #start() once done
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load();
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}
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/**
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* Inspect the client to see what it's capable of, this
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* should only happens once per runtime.
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*/
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function checkCapabilities() {
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isMobileDevice = /(iphone|ipod|ipad|android)/gi.test( UA );
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isChrome = /chrome/i.test( UA ) && !/edge/i.test( UA );
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var testElement = document.createElement( 'div' );
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features.transforms3d = 'WebkitPerspective' in testElement.style ||
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'MozPerspective' in testElement.style ||
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'msPerspective' in testElement.style ||
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'OPerspective' in testElement.style ||
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'perspective' in testElement.style;
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features.transforms2d = 'WebkitTransform' in testElement.style ||
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'MozTransform' in testElement.style ||
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'msTransform' in testElement.style ||
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'OTransform' in testElement.style ||
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'transform' in testElement.style;
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features.requestAnimationFrameMethod = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
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features.requestAnimationFrame = typeof features.requestAnimationFrameMethod === 'function';
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features.canvas = !!document.createElement( 'canvas' ).getContext;
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// Transitions in the overview are disabled in desktop and
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// Safari due to lag
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features.overviewTransitions = !/Version\/[\d\.]+.*Safari/.test( UA );
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// Flags if we should use zoom instead of transform to scale
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// up slides. Zoom produces crisper results but has a lot of
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// xbrowser quirks so we only use it in whitelsited browsers.
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features.zoom = 'zoom' in testElement.style && !isMobileDevice &&
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( isChrome || /Version\/[\d\.]+.*Safari/.test( UA ) );
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}
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/**
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* Loads the dependencies of reveal.js. Dependencies are
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* defined via the configuration option 'dependencies'
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* and will be loaded prior to starting/binding reveal.js.
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* Some dependencies may have an 'async' flag, if so they
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* will load after reveal.js has been started up.
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*/
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function load() {
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var scripts = [],
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scriptsToLoad = 0;
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config.dependencies.forEach( function( s ) {
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// Load if there's no condition or the condition is truthy
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if( !s.condition || s.condition() ) {
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if( s.async ) {
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asyncDependencies.push( s );
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}
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else {
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scripts.push( s );
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}
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}
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} );
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if( scripts.length ) {
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scriptsToLoad = scripts.length;
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// Load synchronous scripts
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scripts.forEach( function( s ) {
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loadScript( s.src, function() {
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if( typeof s.callback === 'function' ) s.callback();
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if( --scriptsToLoad === 0 ) {
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initPlugins();
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}
|
||||
|
||||
} );
|
||||
} );
|
||||
}
|
||||
else {
|
||||
initPlugins();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Initializes our plugins and waits for them to be ready
|
||||
* before proceeding.
|
||||
*/
|
||||
function initPlugins() {
|
||||
|
||||
var pluginsToInitialize = Object.keys( plugins ).length;
|
||||
|
||||
// If there are no plugins, skip this step
|
||||
if( pluginsToInitialize === 0 ) {
|
||||
loadAsyncDependencies();
|
||||
}
|
||||
// ... otherwise initialize plugins
|
||||
else {
|
||||
|
||||
var afterPlugInitialized = function() {
|
||||
if( --pluginsToInitialize === 0 ) {
|
||||
loadAsyncDependencies();
|
||||
}
|
||||
};
|
||||
|
||||
for( var i in plugins ) {
|
||||
|
||||
var plugin = plugins[i];
|
||||
|
||||
// If the plugin has an 'init' method, invoke it
|
||||
if( typeof plugin.init === 'function' ) {
|
||||
var callback = plugin.init();
|
||||
|
||||
// If the plugin returned a Promise, wait for it
|
||||
if( callback && typeof callback.then === 'function' ) {
|
||||
callback.then( afterPlugInitialized );
|
||||
}
|
||||
else {
|
||||
afterPlugInitialized();
|
||||
}
|
||||
}
|
||||
else {
|
||||
afterPlugInitialized();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads all async reveal.js dependencies.
|
||||
*/
|
||||
function loadAsyncDependencies() {
|
||||
|
||||
if( asyncDependencies.length ) {
|
||||
asyncDependencies.forEach( function( s ) {
|
||||
loadScript( s.src, s.callback );
|
||||
} );
|
||||
}
|
||||
|
||||
start();
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads a JavaScript file from the given URL and executes it.
|
||||
*
|
||||
* @param {string} url Address of the .js file to load
|
||||
* @param {function} callback Method to invoke when the script
|
||||
* has loaded and executed
|
||||
*/
|
||||
function loadScript( url, callback ) {
|
||||
|
||||
var script = document.createElement( 'script' );
|
||||
script.type = 'text/javascript';
|
||||
script.async = false;
|
||||
script.defer = false;
|
||||
script.src = url;
|
||||
|
||||
if( callback ) {
|
||||
|
||||
// Success callback
|
||||
script.onload = script.onreadystatechange = function( event ) {
|
||||
if( event.type === "load" || (/loaded|complete/.test( script.readyState ) ) ) {
|
||||
|
||||
// Kill event listeners
|
||||
script.onload = script.onreadystatechange = script.onerror = null;
|
||||
|
||||
callback();
|
||||
|
||||
}
|
||||
};
|
||||
|
||||
// Error callback
|
||||
script.onerror = function( err ) {
|
||||
|
||||
// Kill event listeners
|
||||
script.onload = script.onreadystatechange = script.onerror = null;
|
||||
|
||||
callback( new Error( 'Failed loading script: ' + script.src + '\n' + err) );
|
||||
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
// Append the script at the end of <head>
|
||||
var head = document.querySelector( 'head' );
|
||||
head.insertBefore( script, head.lastChild );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Starts up reveal.js by binding input events and navigating
|
||||
* to the current URL deeplink if there is one.
|
||||
*/
|
||||
function start() {
|
||||
|
||||
loaded = true;
|
||||
|
||||
// Make sure we've got all the DOM elements we need
|
||||
setupDOM();
|
||||
|
||||
// Listen to messages posted to this window
|
||||
setupPostMessage();
|
||||
|
||||
// Prevent the slides from being scrolled out of view
|
||||
setupScrollPrevention();
|
||||
|
||||
// Resets all vertical slides so that only the first is visible
|
||||
resetVerticalSlides();
|
||||
|
||||
// Updates the presentation to match the current configuration values
|
||||
configure();
|
||||
|
||||
// Read the initial hash
|
||||
readURL();
|
||||
|
||||
// Update all backgrounds
|
||||
updateBackground( true );
|
||||
|
||||
// Notify listeners that the presentation is ready but use a 1ms
|
||||
// timeout to ensure it's not fired synchronously after #initialize()
|
||||
setTimeout( function() {
|
||||
// Enable transitions now that we're loaded
|
||||
dom.slides.classList.remove( 'no-transition' );
|
||||
|
||||
dom.wrapper.classList.add( 'ready' );
|
||||
|
||||
dispatchEvent( 'ready', {
|
||||
'indexh': indexh,
|
||||
'indexv': indexv,
|
||||
'currentSlide': currentSlide
|
||||
} );
|
||||
}, 1 );
|
||||
|
||||
// Special setup and config is required when printing to PDF
|
||||
if( isPrintingPDF() ) {
|
||||
removeEventListeners();
|
||||
|
||||
// The document needs to have loaded for the PDF layout
|
||||
// measurements to be accurate
|
||||
if( document.readyState === 'complete' ) {
|
||||
setupPDF();
|
||||
}
|
||||
else {
|
||||
window.addEventListener( 'load', setupPDF );
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Finds and stores references to DOM elements which are
|
||||
* required by the presentation. If a required element is
|
||||
* not found, it is created.
|
||||
*/
|
||||
function setupDOM() {
|
||||
|
||||
// Prevent transitions while we're loading
|
||||
dom.slides.classList.add( 'no-transition' );
|
||||
|
||||
if( isMobileDevice ) {
|
||||
dom.wrapper.classList.add( 'no-hover' );
|
||||
}
|
||||
else {
|
||||
dom.wrapper.classList.remove( 'no-hover' );
|
||||
}
|
||||
|
||||
if( /iphone/gi.test( UA ) ) {
|
||||
dom.wrapper.classList.add( 'ua-iphone' );
|
||||
}
|
||||
else {
|
||||
dom.wrapper.classList.remove( 'ua-iphone' );
|
||||
}
|
||||
|
||||
// Background element
|
||||
dom.background = createSingletonNode( dom.wrapper, 'div', 'backgrounds', null );
|
||||
|
||||
// Progress bar
|
||||
dom.progress = createSingletonNode( dom.wrapper, 'div', 'progress', '<span></span>' );
|
||||
dom.progressbar = dom.progress.querySelector( 'span' );
|
||||
|
||||
// Arrow controls
|
||||
dom.controls = createSingletonNode( dom.wrapper, 'aside', 'controls',
|
||||
'<button class="navigate-left" aria-label="previous slide"><div class="controls-arrow"></div></button>' +
|
||||
'<button class="navigate-right" aria-label="next slide"><div class="controls-arrow"></div></button>' +
|
||||
'<button class="navigate-up" aria-label="above slide"><div class="controls-arrow"></div></button>' +
|
||||
'<button class="navigate-down" aria-label="below slide"><div class="controls-arrow"></div></button>' );
|
||||
|
||||
// Slide number
|
||||
dom.slideNumber = createSingletonNode( dom.wrapper, 'div', 'slide-number', '' );
|
||||
|
||||
// Element containing notes that are visible to the audience
|
||||
dom.speakerNotes = createSingletonNode( dom.wrapper, 'div', 'speaker-notes', null );
|
||||
dom.speakerNotes.setAttribute( 'data-prevent-swipe', '' );
|
||||
dom.speakerNotes.setAttribute( 'tabindex', '0' );
|
||||
|
||||
// Overlay graphic which is displayed during the paused mode
|
||||
dom.pauseOverlay = createSingletonNode( dom.wrapper, 'div', 'pause-overlay', config.controls ? '<button class="resume-button">Resume presentation</button>' : null );
|
||||
|
||||
dom.wrapper.setAttribute( 'role', 'application' );
|
||||
|
||||
// There can be multiple instances of controls throughout the page
|
||||
dom.controlsLeft = toArray( document.querySelectorAll( '.navigate-left' ) );
|
||||
dom.controlsRight = toArray( document.querySelectorAll( '.navigate-right' ) );
|
||||
dom.controlsUp = toArray( document.querySelectorAll( '.navigate-up' ) );
|
||||
dom.controlsDown = toArray( document.querySelectorAll( '.navigate-down' ) );
|
||||
dom.controlsPrev = toArray( document.querySelectorAll( '.navigate-prev' ) );
|
||||
dom.controlsNext = toArray( document.querySelectorAll( '.navigate-next' ) );
|
||||
|
||||
// The right and down arrows in the standard reveal.js controls
|
||||
dom.controlsRightArrow = dom.controls.querySelector( '.navigate-right' );
|
||||
dom.controlsDownArrow = dom.controls.querySelector( '.navigate-down' );
|
||||
|
||||
dom.statusDiv = createStatusDiv();
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a hidden div with role aria-live to announce the
|
||||
* current slide content. Hide the div off-screen to make it
|
||||
* available only to Assistive Technologies.
|
||||
*
|
||||
* @return {HTMLElement}
|
||||
*/
|
||||
function createStatusDiv() {
|
||||
|
||||
var statusDiv = document.getElementById( 'aria-status-div' );
|
||||
if( !statusDiv ) {
|
||||
statusDiv = document.createElement( 'div' );
|
||||
statusDiv.style.position = 'absolute';
|
||||
statusDiv.style.height = '1px';
|
||||
statusDiv.style.width = '1px';
|
||||
statusDiv.style.overflow = 'hidden';
|
||||
statusDiv.style.clip = 'rect( 1px, 1px, 1px, 1px )';
|
||||
statusDiv.setAttribute( 'id', 'aria-status-div' );
|
||||
statusDiv.setAttribute( 'aria-live', 'polite' );
|
||||
statusDiv.setAttribute( 'aria-atomic','true' );
|
||||
dom.wrapper.appendChild( statusDiv );
|
||||
}
|
||||
return statusDiv;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts the given HTML element into a string of text
|
||||
* that can be announced to a screen reader. Hidden
|
||||
* elements are excluded.
|
||||
*/
|
||||
function getStatusText( node ) {
|
||||
|
||||
var text = '';
|
||||
|
||||
// Text node
|
||||
if( node.nodeType === 3 ) {
|
||||
text += node.textContent;
|
||||
}
|
||||
// Element node
|
||||
else if( node.nodeType === 1 ) {
|
||||
|
||||
var isAriaHidden = node.getAttribute( 'aria-hidden' );
|
||||
var isDisplayHidden = window.getComputedStyle( node )['display'] === 'none';
|
||||
if( isAriaHidden !== 'true' && !isDisplayHidden ) {
|
||||
|
||||
toArray( node.childNodes ).forEach( function( child ) {
|
||||
text += getStatusText( child );
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return text;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Configures the presentation for printing to a static
|
||||
* PDF.
|
||||
*/
|
||||
function setupPDF() {
|
||||
|
||||
var slideSize = getComputedSlideSize( window.innerWidth, window.innerHeight );
|
||||
|
||||
// Dimensions of the PDF pages
|
||||
var pageWidth = Math.floor( slideSize.width * ( 1 + config.margin ) ),
|
||||
pageHeight = Math.floor( slideSize.height * ( 1 + config.margin ) );
|
||||
|
||||
// Dimensions of slides within the pages
|
||||
var slideWidth = slideSize.width,
|
||||
slideHeight = slideSize.height;
|
||||
|
||||
// Let the browser know what page size we want to print
|
||||
injectStyleSheet( '@page{size:'+ pageWidth +'px '+ pageHeight +'px; margin: 0px;}' );
|
||||
|
||||
// Limit the size of certain elements to the dimensions of the slide
|
||||
injectStyleSheet( '.reveal section>img, .reveal section>video, .reveal section>iframe{max-width: '+ slideWidth +'px; max-height:'+ slideHeight +'px}' );
|
||||
|
||||
document.body.classList.add( 'print-pdf' );
|
||||
document.body.style.width = pageWidth + 'px';
|
||||
document.body.style.height = pageHeight + 'px';
|
||||
|
||||
// Make sure stretch elements fit on slide
|
||||
layoutSlideContents( slideWidth, slideHeight );
|
||||
|
||||
// Add each slide's index as attributes on itself, we need these
|
||||
// indices to generate slide numbers below
|
||||
toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).forEach( function( hslide, h ) {
|
||||
hslide.setAttribute( 'data-index-h', h );
|
||||
|
||||
if( hslide.classList.contains( 'stack' ) ) {
|
||||
toArray( hslide.querySelectorAll( 'section' ) ).forEach( function( vslide, v ) {
|
||||
vslide.setAttribute( 'data-index-h', h );
|
||||
vslide.setAttribute( 'data-index-v', v );
|
||||
} );
|
||||
}
|
||||
} );
|
||||
|
||||
// Slide and slide background layout
|
||||
toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) ).forEach( function( slide ) {
|
||||
|
||||
// Vertical stacks are not centred since their section
|
||||
// children will be
|
||||
if( slide.classList.contains( 'stack' ) === false ) {
|
||||
// Center the slide inside of the page, giving the slide some margin
|
||||
var left = ( pageWidth - slideWidth ) / 2,
|
||||
top = ( pageHeight - slideHeight ) / 2;
|
||||
|
||||
var contentHeight = slide.scrollHeight;
|
||||
var numberOfPages = Math.max( Math.ceil( contentHeight / pageHeight ), 1 );
|
||||
|
||||
// Adhere to configured pages per slide limit
|
||||
numberOfPages = Math.min( numberOfPages, config.pdfMaxPagesPerSlide );
|
||||
|
||||
// Center slides vertically
|
||||
if( numberOfPages === 1 && config.center || slide.classList.contains( 'center' ) ) {
|
||||
top = Math.max( ( pageHeight - contentHeight ) / 2, 0 );
|
||||
}
|
||||
|
||||
// Wrap the slide in a page element and hide its overflow
|
||||
// so that no page ever flows onto another
|
||||
var page = document.createElement( 'div' );
|
||||
page.className = 'pdf-page';
|
||||
page.style.height = ( ( pageHeight + config.pdfPageHeightOffset ) * numberOfPages ) + 'px';
|
||||
slide.parentNode.insertBefore( page, slide );
|
||||
page.appendChild( slide );
|
||||
|
||||
// Position the slide inside of the page
|
||||
slide.style.left = left + 'px';
|
||||
slide.style.top = top + 'px';
|
||||
slide.style.width = slideWidth + 'px';
|
||||
|
||||
if( slide.slideBackgroundElement ) {
|
||||
page.insertBefore( slide.slideBackgroundElement, slide );
|
||||
}
|
||||
|
||||
// Inject notes if `showNotes` is enabled
|
||||
if( config.showNotes ) {
|
||||
|
||||
// Are there notes for this slide?
|
||||
var notes = getSlideNotes( slide );
|
||||
if( notes ) {
|
||||
|
||||
var notesSpacing = 8;
|
||||
var notesLayout = typeof config.showNotes === 'string' ? config.showNotes : 'inline';
|
||||
var notesElement = document.createElement( 'div' );
|
||||
notesElement.classList.add( 'speaker-notes' );
|
||||
notesElement.classList.add( 'speaker-notes-pdf' );
|
||||
notesElement.setAttribute( 'data-layout', notesLayout );
|
||||
notesElement.innerHTML = notes;
|
||||
|
||||
if( notesLayout === 'separate-page' ) {
|
||||
page.parentNode.insertBefore( notesElement, page.nextSibling );
|
||||
}
|
||||
else {
|
||||
notesElement.style.left = notesSpacing + 'px';
|
||||
notesElement.style.bottom = notesSpacing + 'px';
|
||||
notesElement.style.width = ( pageWidth - notesSpacing*2 ) + 'px';
|
||||
page.appendChild( notesElement );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Inject slide numbers if `slideNumbers` are enabled
|
||||
if( config.slideNumber && /all|print/i.test( config.showSlideNumber ) ) {
|
||||
var slideNumberH = parseInt( slide.getAttribute( 'data-index-h' ), 10 ) + 1,
|
||||
slideNumberV = parseInt( slide.getAttribute( 'data-index-v' ), 10 ) + 1;
|
||||
|
||||
var numberElement = document.createElement( 'div' );
|
||||
numberElement.classList.add( 'slide-number' );
|
||||
numberElement.classList.add( 'slide-number-pdf' );
|
||||
numberElement.innerHTML = formatSlideNumber( slideNumberH, '.', slideNumberV );
|
||||
page.appendChild( numberElement );
|
||||
}
|
||||
|
||||
// Copy page and show fragments one after another
|
||||
if( config.pdfSeparateFragments ) {
|
||||
|
||||
// Each fragment 'group' is an array containing one or more
|
||||
// fragments. Multiple fragments that appear at the same time
|
||||
// are part of the same group.
|
||||
var fragmentGroups = sortFragments( page.querySelectorAll( '.fragment' ), true );
|
||||
|
||||
var previousFragmentStep;
|
||||
var previousPage;
|
||||
|
||||
fragmentGroups.forEach( function( fragments ) {
|
||||
|
||||
// Remove 'current-fragment' from the previous group
|
||||
if( previousFragmentStep ) {
|
||||
previousFragmentStep.forEach( function( fragment ) {
|
||||
fragment.classList.remove( 'current-fragment' );
|
||||
} );
|
||||
}
|
||||
|
||||
// Show the fragments for the current index
|
||||
fragments.forEach( function( fragment ) {
|
||||
fragment.classList.add( 'visible', 'current-fragment' );
|
||||
} );
|
||||
|
||||
// Create a separate page for the current fragment state
|
||||
var clonedPage = page.cloneNode( true );
|
||||
page.parentNode.insertBefore( clonedPage, ( previousPage || page ).nextSibling );
|
||||
|
||||
previousFragmentStep = fragments;
|
||||
previousPage = clonedPage;
|
||||
|
||||
} );
|
||||
|
||||
// Reset the first/original page so that all fragments are hidden
|
||||
fragmentGroups.forEach( function( fragments ) {
|
||||
fragments.forEach( function( fragment ) {
|
||||
fragment.classList.remove( 'visible', 'current-fragment' );
|
||||
} );
|
||||
} );
|
||||
|
||||
}
|
||||
// Show all fragments
|
||||
else {
|
||||
toArray( page.querySelectorAll( '.fragment:not(.fade-out)' ) ).forEach( function( fragment ) {
|
||||
fragment.classList.add( 'visible' );
|
||||
} );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
} );
|
||||
|
||||
// Notify subscribers that the PDF layout is good to go
|
||||
dispatchEvent( 'pdf-ready' );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* This is an unfortunate necessity. Some actions – such as
|
||||
* an input field being focused in an iframe or using the
|
||||
* keyboard to expand text selection beyond the bounds of
|
||||
* a slide – can trigger our content to be pushed out of view.
|
||||
* This scrolling can not be prevented by hiding overflow in
|
||||
* CSS (we already do) so we have to resort to repeatedly
|
||||
* checking if the slides have been offset :(
|
||||
*/
|
||||
function setupScrollPrevention() {
|
||||
|
||||
setInterval( function() {
|
||||
if( dom.wrapper.scrollTop !== 0 || dom.wrapper.scrollLeft !== 0 ) {
|
||||
dom.wrapper.scrollTop = 0;
|
||||
dom.wrapper.scrollLeft = 0;
|
||||
}
|
||||
}, 1000 );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates an HTML element and returns a reference to it.
|
||||
* If the element already exists the existing instance will
|
||||
* be returned.
|
||||
*
|
||||
* @param {HTMLElement} container
|
||||
* @param {string} tagname
|
||||
* @param {string} classname
|
||||
* @param {string} innerHTML
|
||||
*
|
||||
* @return {HTMLElement}
|
||||
*/
|
||||
function createSingletonNode( container, tagname, classname, innerHTML ) {
|
||||
|
||||
// Find all nodes matching the description
|
||||
var nodes = container.querySelectorAll( '.' + classname );
|
||||
|
||||
// Check all matches to find one which is a direct child of
|
||||
// the specified container
|
||||
for( var i = 0; i < nodes.length; i++ ) {
|
||||
var testNode = nodes[i];
|
||||
if( testNode.parentNode === container ) {
|
||||
return testNode;
|
||||
}
|
||||
}
|
||||
|
||||
// If no node was found, create it now
|
||||
var node = document.createElement( tagname );
|
||||
node.className = classname;
|
||||
if( typeof innerHTML === 'string' ) {
|
||||
node.innerHTML = innerHTML;
|
||||
}
|
||||
container.appendChild( node );
|
||||
|
||||
return node;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates the slide background elements and appends them
|
||||
* to the background container. One element is created per
|
||||
* slide no matter if the given slide has visible background.
|
||||
*/
|
||||
function createBackgrounds() {
|
||||
|
||||
var printMode = isPrintingPDF();
|
||||
|
||||
// Clear prior backgrounds
|
||||
dom.background.innerHTML = '';
|
||||
dom.background.classList.add( 'no-transition' );
|
||||
|
||||
// Iterate over all horizontal slides
|
||||
toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).forEach( function( slideh ) {
|
||||
|
||||
var backgroundStack = createBackground( slideh, dom.background );
|
||||
|
||||
// Iterate over all vertical slides
|
||||
toArray( slideh.querySelectorAll( 'section' ) ).forEach( function( slidev ) {
|
||||
|
||||
createBackground( slidev, backgroundStack );
|
||||
|
||||
backgroundStack.classList.add( 'stack' );
|
||||
|
||||
} );
|
||||
|
||||
} );
|
||||
|
||||
// Add parallax background if specified
|
||||
if( config.parallaxBackgroundImage ) {
|
||||
|
||||
dom.background.style.backgroundImage = 'url("' + config.parallaxBackgroundImage + '")';
|
||||
dom.background.style.backgroundSize = config.parallaxBackgroundSize;
|
||||
dom.background.style.backgroundRepeat = config.parallaxBackgroundRepeat;
|
||||
dom.background.style.backgroundPosition = config.parallaxBackgroundPosition;
|
||||
|
||||
// Make sure the below properties are set on the element - these properties are
|
||||
// needed for proper transitions to be set on the element via CSS. To remove
|
||||
// annoying background slide-in effect when the presentation starts, apply
|
||||
// these properties after short time delay
|
||||
setTimeout( function() {
|
||||
dom.wrapper.classList.add( 'has-parallax-background' );
|
||||
}, 1 );
|
||||
|
||||
}
|
||||
else {
|
||||
|
||||
dom.background.style.backgroundImage = '';
|
||||
dom.wrapper.classList.remove( 'has-parallax-background' );
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a background for the given slide.
|
||||
*
|
||||
* @param {HTMLElement} slide
|
||||
* @param {HTMLElement} container The element that the background
|
||||
* should be appended to
|
||||
* @return {HTMLElement} New background div
|
||||
*/
|
||||
function createBackground( slide, container ) {
|
||||
|
||||
|
||||
// Main slide background element
|
||||
var element = document.createElement( 'div' );
|
||||
element.className = 'slide-background ' + slide.className.replace( /present|past|future/, '' );
|
||||
|
||||
// Inner background element that wraps images/videos/iframes
|
||||
var contentElement = document.createElement( 'div' );
|
||||
contentElement.className = 'slide-background-content';
|
||||
|
||||
element.appendChild( contentElement );
|
||||
container.appendChild( element );
|
||||
|
||||
slide.slideBackgroundElement = element;
|
||||
slide.slideBackgroundContentElement = contentElement;
|
||||
|
||||
// Syncs the background to reflect all current background settings
|
||||
syncBackground( slide );
|
||||
|
||||
return element;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Renders all of the visual properties of a slide background
|
||||
* based on the various background attributes.
|
||||
*
|
||||
* @param {HTMLElement} slide
|
||||
*/
|
||||
function syncBackground( slide ) {
|
||||
|
||||
var element = slide.slideBackgroundElement,
|
||||
contentElement = slide.slideBackgroundContentElement;
|
||||
|
||||
// Reset the prior background state in case this is not the
|
||||
// initial sync
|
||||
slide.classList.remove( 'has-dark-background' );
|
||||
slide.classList.remove( 'has-light-background' );
|
||||
|
||||
element.removeAttribute( 'data-loaded' );
|
||||
element.removeAttribute( 'data-background-hash' );
|
||||
element.removeAttribute( 'data-background-size' );
|
||||
element.removeAttribute( 'data-background-transition' );
|
||||
element.style.backgroundColor = '';
|
||||
|
||||
contentElement.style.backgroundSize = '';
|
||||
contentElement.style.backgroundRepeat = '';
|
||||
contentElement.style.backgroundPosition = '';
|
||||
contentElement.style.backgroundImage = '';
|
||||
contentElement.style.opacity = '';
|
||||
contentElement.innerHTML = '';
|
||||
|
||||
var data = {
|
||||
background: slide.getAttribute( 'data-background' ),
|
||||
backgroundSize: slide.getAttribute( 'data-background-size' ),
|
||||
backgroundImage: slide.getAttribute( 'data-background-image' ),
|
||||
backgroundVideo: slide.getAttribute( 'data-background-video' ),
|
||||
backgroundIframe: slide.getAttribute( 'data-background-iframe' ),
|
||||
backgroundColor: slide.getAttribute( 'data-background-color' ),
|
||||
backgroundRepeat: slide.getAttribute( 'data-background-repeat' ),
|
||||
backgroundPosition: slide.getAttribute( 'data-background-position' ),
|
||||
backgroundTransition: slide.getAttribute( 'data-background-transition' ),
|
||||
backgroundOpacity: slide.getAttribute( 'data-background-opacity' )
|
||||
};
|
||||
|
||||
if( data.background ) {
|
||||
// Auto-wrap image urls in url(...)
|
||||
if( /^(http|file|\/\/)/gi.test( data.background ) || /\.(svg|png|jpg|jpeg|gif|bmp)([?#\s]|$)/gi.test( data.background ) ) {
|
||||
slide.setAttribute( 'data-background-image', data.background );
|
||||
}
|
||||
else {
|
||||
element.style.background = data.background;
|
||||
}
|
||||
}
|
||||
|
||||
// Create a hash for this combination of background settings.
|
||||
// This is used to determine when two slide backgrounds are
|
||||
// the same.
|
||||
if( data.background || data.backgroundColor || data.backgroundImage || data.backgroundVideo || data.backgroundIframe ) {
|
||||
element.setAttribute( 'data-background-hash', data.background +
|
||||
data.backgroundSize +
|
||||
data.backgroundImage +
|
||||
data.backgroundVideo +
|
||||
data.backgroundIframe +
|
||||
data.backgroundColor +
|
||||
data.backgroundRepeat +
|
||||
data.backgroundPosition +
|
||||
data.backgroundTransition +
|
||||
data.backgroundOpacity );
|
||||
}
|
||||
|
||||
// Additional and optional background properties
|
||||
if( data.backgroundSize ) element.setAttribute( 'data-background-size', data.backgroundSize );
|
||||
if( data.backgroundColor ) element.style.backgroundColor = data.backgroundColor;
|
||||
if( data.backgroundTransition ) element.setAttribute( 'data-background-transition', data.backgroundTransition );
|
||||
|
||||
// Background image options are set on the content wrapper
|
||||
if( data.backgroundSize ) contentElement.style.backgroundSize = data.backgroundSize;
|
||||
if( data.backgroundRepeat ) contentElement.style.backgroundRepeat = data.backgroundRepeat;
|
||||
if( data.backgroundPosition ) contentElement.style.backgroundPosition = data.backgroundPosition;
|
||||
if( data.backgroundOpacity ) contentElement.style.opacity = data.backgroundOpacity;
|
||||
|
||||
// If this slide has a background color, we add a class that
|
||||
// signals if it is light or dark. If the slide has no background
|
||||
// color, no class will be added
|
||||
var contrastColor = data.backgroundColor;
|
||||
|
||||
// If no bg color was found, check the computed background
|
||||
if( !contrastColor ) {
|
||||
var computedBackgroundStyle = window.getComputedStyle( element );
|
||||
if( computedBackgroundStyle && computedBackgroundStyle.backgroundColor ) {
|
||||
contrastColor = computedBackgroundStyle.backgroundColor;
|
||||
}
|
||||
}
|
||||
|
||||
if( contrastColor ) {
|
||||
var rgb = colorToRgb( contrastColor );
|
||||
|
||||
// Ignore fully transparent backgrounds. Some browsers return
|
||||
// rgba(0,0,0,0) when reading the computed background color of
|
||||
// an element with no background
|
||||
if( rgb && rgb.a !== 0 ) {
|
||||
if( colorBrightness( contrastColor ) < 128 ) {
|
||||
slide.classList.add( 'has-dark-background' );
|
||||
}
|
||||
else {
|
||||
slide.classList.add( 'has-light-background' );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Registers a listener to postMessage events, this makes it
|
||||
* possible to call all reveal.js API methods from another
|
||||
* window. For example:
|
||||
*
|
||||
* revealWindow.postMessage( JSON.stringify({
|
||||
* method: 'slide',
|
||||
* args: [ 2 ]
|
||||
* }), '*' );
|
||||
*/
|
||||
function setupPostMessage() {
|
||||
|
||||
if( config.postMessage ) {
|
||||
window.addEventListener( 'message', function ( event ) {
|
||||
var data = event.data;
|
||||
|
||||
// Make sure we're dealing with JSON
|
||||
if( typeof data === 'string' && data.charAt( 0 ) === '{' && data.charAt( data.length - 1 ) === '}' ) {
|
||||
data = JSON.parse( data );
|
||||
|
||||
// Check if the requested method can be found
|
||||
if( data.method && typeof Reveal[data.method] === 'function' ) {
|
||||
Reveal[data.method].apply( Reveal, data.args );
|
||||
}
|
||||
}
|
||||
}, false );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Applies the configuration settings from the config
|
||||
* object. May be called multiple times.
|
||||
*
|
||||
* @param {object} options
|
||||
*/
|
||||
function configure( options ) {
|
||||
|
||||
var oldTransition = config.transition;
|
||||
|
||||
// New config options may be passed when this method
|
||||
// is invoked through the API after initialization
|
||||
if( typeof options === 'object' ) extend( config, options );
|
||||
|
||||
// Abort if reveal.js hasn't finished loading, config
|
||||
// changes will be applied automatically once loading
|
||||
// finishes
|
||||
if( loaded === false ) return;
|
||||
|
||||
var numberOfSlides = dom.wrapper.querySelectorAll( SLIDES_SELECTOR ).length;
|
||||
|
||||
// Remove the previously configured transition class
|
||||
dom.wrapper.classList.remove( oldTransition );
|
||||
|
||||
// Force linear transition based on browser capabilities
|
||||
if( features.transforms3d === false ) config.transition = 'linear';
|
||||
|
||||
dom.wrapper.classList.add( config.transition );
|
||||
|
||||
dom.wrapper.setAttribute( 'data-transition-speed', config.transitionSpeed );
|
||||
dom.wrapper.setAttribute( 'data-background-transition', config.backgroundTransition );
|
||||
|
||||
dom.controls.style.display = config.controls ? 'block' : 'none';
|
||||
dom.progress.style.display = config.progress ? 'block' : 'none';
|
||||
|
||||
dom.controls.setAttribute( 'data-controls-layout', config.controlsLayout );
|
||||
dom.controls.setAttribute( 'data-controls-back-arrows', config.controlsBackArrows );
|
||||
|
||||
if( config.shuffle ) {
|
||||
shuffle();
|
||||
}
|
||||
|
||||
if( config.rtl ) {
|
||||
dom.wrapper.classList.add( 'rtl' );
|
||||
}
|
||||
else {
|
||||
dom.wrapper.classList.remove( 'rtl' );
|
||||
}
|
||||
|
||||
if( config.center ) {
|
||||
dom.wrapper.classList.add( 'center' );
|
||||
}
|
||||
else {
|
||||
dom.wrapper.classList.remove( 'center' );
|
||||
}
|
||||
|
||||
// Exit the paused mode if it was configured off
|
||||
if( config.pause === false ) {
|
||||
resume();
|
||||
}
|
||||
|
||||
if( config.showNotes ) {
|
||||
dom.speakerNotes.setAttribute( 'data-layout', typeof config.showNotes === 'string' ? config.showNotes : 'inline' );
|
||||
}
|
||||
|
||||
if( config.mouseWheel ) {
|
||||
document.addEventListener( 'DOMMouseScroll', onDocumentMouseScroll, false ); // FF
|
||||
document.addEventListener( 'mousewheel', onDocumentMouseScroll, false );
|
||||
}
|
||||
else {
|
||||
document.removeEventListener( 'DOMMouseScroll', onDocumentMouseScroll, false ); // FF
|
||||
document.removeEventListener( 'mousewheel', onDocumentMouseScroll, false );
|
||||
}
|
||||
|
||||
// Rolling 3D links
|
||||
if( config.rollingLinks ) {
|
||||
enableRollingLinks();
|
||||
}
|
||||
else {
|
||||
disableRollingLinks();
|
||||
}
|
||||
|
||||
// Auto-hide the mouse pointer when its inactive
|
||||
if( config.hideInactiveCursor ) {
|
||||
document.addEventListener( 'mousemove', onDocumentCursorActive, false );
|
||||
document.addEventListener( 'mousedown', onDocumentCursorActive, false );
|
||||
}
|
||||
else {
|
||||
showCursor();
|
||||
|
||||
document.removeEventListener( 'mousemove', onDocumentCursorActive, false );
|
||||
document.removeEventListener( 'mousedown', onDocumentCursorActive, false );
|
||||
}
|
||||
|
||||
// Iframe link previews
|
||||
if( config.previewLinks ) {
|
||||
enablePreviewLinks();
|
||||
disablePreviewLinks( '[data-preview-link=false]' );
|
||||
}
|
||||
else {
|
||||
disablePreviewLinks();
|
||||
enablePreviewLinks( '[data-preview-link]:not([data-preview-link=false])' );
|
||||
}
|
||||
|
||||
// Remove existing auto-slide controls
|
||||
if( autoSlidePlayer ) {
|
||||
autoSlidePlayer.destroy();
|
||||
autoSlidePlayer = null;
|
||||
}
|
||||
|
||||
// Generate auto-slide controls if needed
|
||||
if( numberOfSlides > 1 && config.autoSlide && config.autoSlideStoppable && features.canvas && features.requestAnimationFrame ) {
|
||||
autoSlidePlayer = new Playback( dom.wrapper, function() {
|
||||
return Math.min( Math.max( ( Date.now() - autoSlideStartTime ) / autoSlide, 0 ), 1 );
|
||||
} );
|
||||
|
||||
autoSlidePlayer.on( 'click', onAutoSlidePlayerClick );
|
||||
autoSlidePaused = false;
|
||||
}
|
||||
|
||||
// When fragments are turned off they should be visible
|
||||
if( config.fragments === false ) {
|
||||
toArray( dom.slides.querySelectorAll( '.fragment' ) ).forEach( function( element ) {
|
||||
element.classList.add( 'visible' );
|
||||
element.classList.remove( 'current-fragment' );
|
||||
} );
|
||||
}
|
||||
|
||||
// Slide numbers
|
||||
var slideNumberDisplay = 'none';
|
||||
if( config.slideNumber && !isPrintingPDF() ) {
|
||||
if( config.showSlideNumber === 'all' ) {
|
||||
slideNumberDisplay = 'block';
|
||||
}
|
||||
else if( config.showSlideNumber === 'speaker' && isSpeakerNotes() ) {
|
||||
slideNumberDisplay = 'block';
|
||||
}
|
||||
}
|
||||
|
||||
dom.slideNumber.style.display = slideNumberDisplay;
|
||||
|
||||
// Add the navigation mode to the DOM so we can adjust styling
|
||||
if( config.navigationMode !== 'default' ) {
|
||||
dom.wrapper.setAttribute( 'data-navigation-mode', config.navigationMode );
|
||||
}
|
||||
else {
|
||||
dom.wrapper.removeAttribute( 'data-navigation-mode' );
|
||||
}
|
||||
|
||||
// Define our contextual list of keyboard shortcuts
|
||||
if( config.navigationMode === 'linear' ) {
|
||||
keyboardShortcuts['→ , ↓ , SPACE , N , L , J'] = 'Next slide';
|
||||
keyboardShortcuts['← , ↑ , P , H , K'] = 'Previous slide';
|
||||
}
|
||||
else {
|
||||
keyboardShortcuts['N , SPACE'] = 'Next slide';
|
||||
keyboardShortcuts['P'] = 'Previous slide';
|
||||
keyboardShortcuts['← , H'] = 'Navigate left';
|
||||
keyboardShortcuts['→ , L'] = 'Navigate right';
|
||||
keyboardShortcuts['↑ , K'] = 'Navigate up';
|
||||
keyboardShortcuts['↓ , J'] = 'Navigate down';
|
||||
}
|
||||
|
||||
keyboardShortcuts['Home , ⌘/CTRL ←'] = 'First slide';
|
||||
keyboardShortcuts['End , ⌘/CTRL →'] = 'Last slide';
|
||||
keyboardShortcuts['B , .'] = 'Pause';
|
||||
keyboardShortcuts['F'] = 'Fullscreen';
|
||||
keyboardShortcuts['ESC, O'] = 'Slide overview';
|
||||
|
||||
sync();
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Binds all event listeners.
|
||||
*/
|
||||
function addEventListeners() {
|
||||
|
||||
eventsAreBound = true;
|
||||
|
||||
window.addEventListener( 'hashchange', onWindowHashChange, false );
|
||||
window.addEventListener( 'resize', onWindowResize, false );
|
||||
|
||||
if( config.touch ) {
|
||||
if( 'onpointerdown' in window ) {
|
||||
// Use W3C pointer events
|
||||
dom.wrapper.addEventListener( 'pointerdown', onPointerDown, false );
|
||||
dom.wrapper.addEventListener( 'pointermove', onPointerMove, false );
|
||||
dom.wrapper.addEventListener( 'pointerup', onPointerUp, false );
|
||||
}
|
||||
else if( window.navigator.msPointerEnabled ) {
|
||||
// IE 10 uses prefixed version of pointer events
|
||||
dom.wrapper.addEventListener( 'MSPointerDown', onPointerDown, false );
|
||||
dom.wrapper.addEventListener( 'MSPointerMove', onPointerMove, false );
|
||||
dom.wrapper.addEventListener( 'MSPointerUp', onPointerUp, false );
|
||||
}
|
||||
else {
|
||||
// Fall back to touch events
|
||||
dom.wrapper.addEventListener( 'touchstart', onTouchStart, false );
|
||||
dom.wrapper.addEventListener( 'touchmove', onTouchMove, false );
|
||||
dom.wrapper.addEventListener( 'touchend', onTouchEnd, false );
|
||||
}
|
||||
}
|
||||
|
||||
if( config.keyboard ) {
|
||||
document.addEventListener( 'keydown', onDocumentKeyDown, false );
|
||||
document.addEventListener( 'keypress', onDocumentKeyPress, false );
|
||||
}
|
||||
|
||||
if( config.progress && dom.progress ) {
|
||||
dom.progress.addEventListener( 'click', onProgressClicked, false );
|
||||
}
|
||||
|
||||
dom.pauseOverlay.addEventListener( 'click', resume, false );
|
||||
|
||||
if( config.focusBodyOnPageVisibilityChange ) {
|
||||
var visibilityChange;
|
||||
|
||||
if( 'hidden' in document ) {
|
||||
visibilityChange = 'visibilitychange';
|
||||
}
|
||||
else if( 'msHidden' in document ) {
|
||||
visibilityChange = 'msvisibilitychange';
|
||||
}
|
||||
else if( 'webkitHidden' in document ) {
|
||||
visibilityChange = 'webkitvisibilitychange';
|
||||
}
|
||||
|
||||
if( visibilityChange ) {
|
||||
document.addEventListener( visibilityChange, onPageVisibilityChange, false );
|
||||
}
|
||||
}
|
||||
|
||||
// Listen to both touch and click events, in case the device
|
||||
// supports both
|
||||
var pointerEvents = [ 'touchstart', 'click' ];
|
||||
|
||||
// Only support touch for Android, fixes double navigations in
|
||||
// stock browser
|
||||
if( UA.match( /android/gi ) ) {
|
||||
pointerEvents = [ 'touchstart' ];
|
||||
}
|
||||
|
||||
pointerEvents.forEach( function( eventName ) {
|
||||
dom.controlsLeft.forEach( function( el ) { el.addEventListener( eventName, onNavigateLeftClicked, false ); } );
|
||||
dom.controlsRight.forEach( function( el ) { el.addEventListener( eventName, onNavigateRightClicked, false ); } );
|
||||
dom.controlsUp.forEach( function( el ) { el.addEventListener( eventName, onNavigateUpClicked, false ); } );
|
||||
dom.controlsDown.forEach( function( el ) { el.addEventListener( eventName, onNavigateDownClicked, false ); } );
|
||||
dom.controlsPrev.forEach( function( el ) { el.addEventListener( eventName, onNavigatePrevClicked, false ); } );
|
||||
dom.controlsNext.forEach( function( el ) { el.addEventListener( eventName, onNavigateNextClicked, false ); } );
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Unbinds all event listeners.
|
||||
*/
|
||||
function removeEventListeners() {
|
||||
|
||||
eventsAreBound = false;
|
||||
|
||||
document.removeEventListener( 'keydown', onDocumentKeyDown, false );
|
||||
document.removeEventListener( 'keypress', onDocumentKeyPress, false );
|
||||
window.removeEventListener( 'hashchange', onWindowHashChange, false );
|
||||
window.removeEventListener( 'resize', onWindowResize, false );
|
||||
|
||||
dom.wrapper.removeEventListener( 'pointerdown', onPointerDown, false );
|
||||
dom.wrapper.removeEventListener( 'pointermove', onPointerMove, false );
|
||||
dom.wrapper.removeEventListener( 'pointerup', onPointerUp, false );
|
||||
|
||||
dom.wrapper.removeEventListener( 'MSPointerDown', onPointerDown, false );
|
||||
dom.wrapper.removeEventListener( 'MSPointerMove', onPointerMove, false );
|
||||
dom.wrapper.removeEventListener( 'MSPointerUp', onPointerUp, false );
|
||||
|
||||
dom.wrapper.removeEventListener( 'touchstart', onTouchStart, false );
|
||||
dom.wrapper.removeEventListener( 'touchmove', onTouchMove, false );
|
||||
dom.wrapper.removeEventListener( 'touchend', onTouchEnd, false );
|
||||
|
||||
dom.pauseOverlay.removeEventListener( 'click', resume, false );
|
||||
|
||||
if ( config.progress && dom.progress ) {
|
||||
dom.progress.removeEventListener( 'click', onProgressClicked, false );
|
||||
}
|
||||
|
||||
[ 'touchstart', 'click' ].forEach( function( eventName ) {
|
||||
dom.controlsLeft.forEach( function( el ) { el.removeEventListener( eventName, onNavigateLeftClicked, false ); } );
|
||||
dom.controlsRight.forEach( function( el ) { el.removeEventListener( eventName, onNavigateRightClicked, false ); } );
|
||||
dom.controlsUp.forEach( function( el ) { el.removeEventListener( eventName, onNavigateUpClicked, false ); } );
|
||||
dom.controlsDown.forEach( function( el ) { el.removeEventListener( eventName, onNavigateDownClicked, false ); } );
|
||||
dom.controlsPrev.forEach( function( el ) { el.removeEventListener( eventName, onNavigatePrevClicked, false ); } );
|
||||
dom.controlsNext.forEach( function( el ) { el.removeEventListener( eventName, onNavigateNextClicked, false ); } );
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Registers a new plugin with this reveal.js instance.
|
||||
*
|
||||
* reveal.js waits for all regisered plugins to initialize
|
||||
* before considering itself ready, as long as the plugin
|
||||
* is registered before calling `Reveal.initialize()`.
|
||||
*/
|
||||
function registerPlugin( id, plugin ) {
|
||||
|
||||
if( plugins[id] === undefined ) {
|
||||
plugins[id] = plugin;
|
||||
|
||||
// If a plugin is registered after reveal.js is loaded,
|
||||
// initialize it right away
|
||||
if( loaded && typeof plugin.init === 'function' ) {
|
||||
plugin.init();
|
||||
}
|
||||
}
|
||||
else {
|
||||
console.warn( 'reveal.js: "'+ id +'" plugin has already been registered' );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if a specific plugin has been registered.
|
||||
*
|
||||
* @param {String} id Unique plugin identifier
|
||||
*/
|
||||
function hasPlugin( id ) {
|
||||
|
||||
return !!plugins[id];
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the specific plugin instance, if a plugin
|
||||
* with the given ID has been registered.
|
||||
*
|
||||
* @param {String} id Unique plugin identifier
|
||||
*/
|
||||
function getPlugin( id ) {
|
||||
|
||||
return plugins[id];
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a custom key binding with optional description to
|
||||
* be added to the help screen.
|
||||
*/
|
||||
function addKeyBinding( binding, callback ) {
|
||||
|
||||
if( typeof binding === 'object' && binding.keyCode ) {
|
||||
registeredKeyBindings[binding.keyCode] = {
|
||||
callback: callback,
|
||||
key: binding.key,
|
||||
description: binding.description
|
||||
};
|
||||
}
|
||||
else {
|
||||
registeredKeyBindings[binding] = {
|
||||
callback: callback,
|
||||
key: null,
|
||||
description: null
|
||||
};
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Removes the specified custom key binding.
|
||||
*/
|
||||
function removeKeyBinding( keyCode ) {
|
||||
|
||||
delete registeredKeyBindings[keyCode];
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Extend object a with the properties of object b.
|
||||
* If there's a conflict, object b takes precedence.
|
||||
*
|
||||
* @param {object} a
|
||||
* @param {object} b
|
||||
*/
|
||||
function extend( a, b ) {
|
||||
|
||||
for( var i in b ) {
|
||||
a[ i ] = b[ i ];
|
||||
}
|
||||
|
||||
return a;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts the target object to an array.
|
||||
*
|
||||
* @param {object} o
|
||||
* @return {object[]}
|
||||
*/
|
||||
function toArray( o ) {
|
||||
|
||||
return Array.prototype.slice.call( o );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Utility for deserializing a value.
|
||||
*
|
||||
* @param {*} value
|
||||
* @return {*}
|
||||
*/
|
||||
function deserialize( value ) {
|
||||
|
||||
if( typeof value === 'string' ) {
|
||||
if( value === 'null' ) return null;
|
||||
else if( value === 'true' ) return true;
|
||||
else if( value === 'false' ) return false;
|
||||
else if( value.match( /^-?[\d\.]+$/ ) ) return parseFloat( value );
|
||||
}
|
||||
|
||||
return value;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Measures the distance in pixels between point a
|
||||
* and point b.
|
||||
*
|
||||
* @param {object} a point with x/y properties
|
||||
* @param {object} b point with x/y properties
|
||||
*
|
||||
* @return {number}
|
||||
*/
|
||||
function distanceBetween( a, b ) {
|
||||
|
||||
var dx = a.x - b.x,
|
||||
dy = a.y - b.y;
|
||||
|
||||
return Math.sqrt( dx*dx + dy*dy );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Applies a CSS transform to the target element.
|
||||
*
|
||||
* @param {HTMLElement} element
|
||||
* @param {string} transform
|
||||
*/
|
||||
function transformElement( element, transform ) {
|
||||
|
||||
element.style.WebkitTransform = transform;
|
||||
element.style.MozTransform = transform;
|
||||
element.style.msTransform = transform;
|
||||
element.style.transform = transform;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Applies CSS transforms to the slides container. The container
|
||||
* is transformed from two separate sources: layout and the overview
|
||||
* mode.
|
||||
*
|
||||
* @param {object} transforms
|
||||
*/
|
||||
function transformSlides( transforms ) {
|
||||
|
||||
// Pick up new transforms from arguments
|
||||
if( typeof transforms.layout === 'string' ) slidesTransform.layout = transforms.layout;
|
||||
if( typeof transforms.overview === 'string' ) slidesTransform.overview = transforms.overview;
|
||||
|
||||
// Apply the transforms to the slides container
|
||||
if( slidesTransform.layout ) {
|
||||
transformElement( dom.slides, slidesTransform.layout + ' ' + slidesTransform.overview );
|
||||
}
|
||||
else {
|
||||
transformElement( dom.slides, slidesTransform.overview );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Injects the given CSS styles into the DOM.
|
||||
*
|
||||
* @param {string} value
|
||||
*/
|
||||
function injectStyleSheet( value ) {
|
||||
|
||||
var tag = document.createElement( 'style' );
|
||||
tag.type = 'text/css';
|
||||
if( tag.styleSheet ) {
|
||||
tag.styleSheet.cssText = value;
|
||||
}
|
||||
else {
|
||||
tag.appendChild( document.createTextNode( value ) );
|
||||
}
|
||||
document.getElementsByTagName( 'head' )[0].appendChild( tag );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Find the closest parent that matches the given
|
||||
* selector.
|
||||
*
|
||||
* @param {HTMLElement} target The child element
|
||||
* @param {String} selector The CSS selector to match
|
||||
* the parents against
|
||||
*
|
||||
* @return {HTMLElement} The matched parent or null
|
||||
* if no matching parent was found
|
||||
*/
|
||||
function closestParent( target, selector ) {
|
||||
|
||||
var parent = target.parentNode;
|
||||
|
||||
while( parent ) {
|
||||
|
||||
// There's some overhead doing this each time, we don't
|
||||
// want to rewrite the element prototype but should still
|
||||
// be enough to feature detect once at startup...
|
||||
var matchesMethod = parent.matches || parent.matchesSelector || parent.msMatchesSelector;
|
||||
|
||||
// If we find a match, we're all set
|
||||
if( matchesMethod && matchesMethod.call( parent, selector ) ) {
|
||||
return parent;
|
||||
}
|
||||
|
||||
// Keep searching
|
||||
parent = parent.parentNode;
|
||||
|
||||
}
|
||||
|
||||
return null;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts various color input formats to an {r:0,g:0,b:0} object.
|
||||
*
|
||||
* @param {string} color The string representation of a color
|
||||
* @example
|
||||
* colorToRgb('#000');
|
||||
* @example
|
||||
* colorToRgb('#000000');
|
||||
* @example
|
||||
* colorToRgb('rgb(0,0,0)');
|
||||
* @example
|
||||
* colorToRgb('rgba(0,0,0)');
|
||||
*
|
||||
* @return {{r: number, g: number, b: number, [a]: number}|null}
|
||||
*/
|
||||
function colorToRgb( color ) {
|
||||
|
||||
var hex3 = color.match( /^#([0-9a-f]{3})$/i );
|
||||
if( hex3 && hex3[1] ) {
|
||||
hex3 = hex3[1];
|
||||
return {
|
||||
r: parseInt( hex3.charAt( 0 ), 16 ) * 0x11,
|
||||
g: parseInt( hex3.charAt( 1 ), 16 ) * 0x11,
|
||||
b: parseInt( hex3.charAt( 2 ), 16 ) * 0x11
|
||||
};
|
||||
}
|
||||
|
||||
var hex6 = color.match( /^#([0-9a-f]{6})$/i );
|
||||
if( hex6 && hex6[1] ) {
|
||||
hex6 = hex6[1];
|
||||
return {
|
||||
r: parseInt( hex6.substr( 0, 2 ), 16 ),
|
||||
g: parseInt( hex6.substr( 2, 2 ), 16 ),
|
||||
b: parseInt( hex6.substr( 4, 2 ), 16 )
|
||||
};
|
||||
}
|
||||
|
||||
var rgb = color.match( /^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i );
|
||||
if( rgb ) {
|
||||
return {
|
||||
r: parseInt( rgb[1], 10 ),
|
||||
g: parseInt( rgb[2], 10 ),
|
||||
b: parseInt( rgb[3], 10 )
|
||||
};
|
||||
}
|
||||
|
||||
var rgba = color.match( /^rgba\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\,\s*([\d]+|[\d]*.[\d]+)\s*\)$/i );
|
||||
if( rgba ) {
|
||||
return {
|
||||
r: parseInt( rgba[1], 10 ),
|
||||
g: parseInt( rgba[2], 10 ),
|
||||
b: parseInt( rgba[3], 10 ),
|
||||
a: parseFloat( rgba[4] )
|
||||
};
|
||||
}
|
||||
|
||||
return null;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculates brightness on a scale of 0-255.
|
||||
*
|
||||
* @param {string} color See colorToRgb for supported formats.
|
||||
* @see {@link colorToRgb}
|
||||
*/
|
||||
function colorBrightness( color ) {
|
||||
|
||||
if( typeof color === 'string' ) color = colorToRgb( color );
|
||||
|
||||
if( color ) {
|
||||
return ( color.r * 299 + color.g * 587 + color.b * 114 ) / 1000;
|
||||
}
|
||||
|
||||
return null;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the remaining height within the parent of the
|
||||
* target element.
|
||||
*
|
||||
* remaining height = [ configured parent height ] - [ current parent height ]
|
||||
*
|
||||
* @param {HTMLElement} element
|
||||
* @param {number} [height]
|
||||
*/
|
||||
function getRemainingHeight( element, height ) {
|
||||
|
||||
height = height || 0;
|
||||
|
||||
if( element ) {
|
||||
var newHeight, oldHeight = element.style.height;
|
||||
|
||||
// Change the .stretch element height to 0 in order find the height of all
|
||||
// the other elements
|
||||
element.style.height = '0px';
|
||||
|
||||
// In Overview mode, the parent (.slide) height is set of 700px.
|
||||
// Restore it temporarily to its natural height.
|
||||
element.parentNode.style.height = 'auto';
|
||||
|
||||
newHeight = height - element.parentNode.offsetHeight;
|
||||
|
||||
// Restore the old height, just in case
|
||||
element.style.height = oldHeight + 'px';
|
||||
|
||||
// Clear the parent (.slide) height. .removeProperty works in IE9+
|
||||
element.parentNode.style.removeProperty('height');
|
||||
|
||||
return newHeight;
|
||||
}
|
||||
|
||||
return height;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if this instance is being used to print a PDF.
|
||||
*/
|
||||
function isPrintingPDF() {
|
||||
|
||||
return ( /print-pdf/gi ).test( window.location.search );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Hides the address bar if we're on a mobile device.
|
||||
*/
|
||||
function hideAddressBar() {
|
||||
|
||||
if( config.hideAddressBar && isMobileDevice ) {
|
||||
// Events that should trigger the address bar to hide
|
||||
window.addEventListener( 'load', removeAddressBar, false );
|
||||
window.addEventListener( 'orientationchange', removeAddressBar, false );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Causes the address bar to hide on mobile devices,
|
||||
* more vertical space ftw.
|
||||
*/
|
||||
function removeAddressBar() {
|
||||
|
||||
setTimeout( function() {
|
||||
window.scrollTo( 0, 1 );
|
||||
}, 10 );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Dispatches an event of the specified type from the
|
||||
* reveal DOM element.
|
||||
*/
|
||||
function dispatchEvent( type, args ) {
|
||||
|
||||
var event = document.createEvent( 'HTMLEvents', 1, 2 );
|
||||
event.initEvent( type, true, true );
|
||||
extend( event, args );
|
||||
dom.wrapper.dispatchEvent( event );
|
||||
|
||||
// If we're in an iframe, post each reveal.js event to the
|
||||
// parent window. Used by the notes plugin
|
||||
if( config.postMessageEvents && window.parent !== window.self ) {
|
||||
window.parent.postMessage( JSON.stringify({ namespace: 'reveal', eventName: type, state: getState() }), '*' );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Wrap all links in 3D goodness.
|
||||
*/
|
||||
function enableRollingLinks() {
|
||||
|
||||
if( features.transforms3d && !( 'msPerspective' in document.body.style ) ) {
|
||||
var anchors = dom.wrapper.querySelectorAll( SLIDES_SELECTOR + ' a' );
|
||||
|
||||
for( var i = 0, len = anchors.length; i < len; i++ ) {
|
||||
var anchor = anchors[i];
|
||||
|
||||
if( anchor.textContent && !anchor.querySelector( '*' ) && ( !anchor.className || !anchor.classList.contains( anchor, 'roll' ) ) ) {
|
||||
var span = document.createElement('span');
|
||||
span.setAttribute('data-title', anchor.text);
|
||||
span.innerHTML = anchor.innerHTML;
|
||||
|
||||
anchor.classList.add( 'roll' );
|
||||
anchor.innerHTML = '';
|
||||
anchor.appendChild(span);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Unwrap all 3D links.
|
||||
*/
|
||||
function disableRollingLinks() {
|
||||
|
||||
var anchors = dom.wrapper.querySelectorAll( SLIDES_SELECTOR + ' a.roll' );
|
||||
|
||||
for( var i = 0, len = anchors.length; i < len; i++ ) {
|
||||
var anchor = anchors[i];
|
||||
var span = anchor.querySelector( 'span' );
|
||||
|
||||
if( span ) {
|
||||
anchor.classList.remove( 'roll' );
|
||||
anchor.innerHTML = span.innerHTML;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Bind preview frame links.
|
||||
*
|
||||
* @param {string} [selector=a] - selector for anchors
|
||||
*/
|
||||
function enablePreviewLinks( selector ) {
|
||||
|
||||
var anchors = toArray( document.querySelectorAll( selector ? selector : 'a' ) );
|
||||
|
||||
anchors.forEach( function( element ) {
|
||||
if( /^(http|www)/gi.test( element.getAttribute( 'href' ) ) ) {
|
||||
element.addEventListener( 'click', onPreviewLinkClicked, false );
|
||||
}
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Unbind preview frame links.
|
||||
*/
|
||||
function disablePreviewLinks( selector ) {
|
||||
|
||||
var anchors = toArray( document.querySelectorAll( selector ? selector : 'a' ) );
|
||||
|
||||
anchors.forEach( function( element ) {
|
||||
if( /^(http|www)/gi.test( element.getAttribute( 'href' ) ) ) {
|
||||
element.removeEventListener( 'click', onPreviewLinkClicked, false );
|
||||
}
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Opens a preview window for the target URL.
|
||||
*
|
||||
* @param {string} url - url for preview iframe src
|
||||
*/
|
||||
function showPreview( url ) {
|
||||
|
||||
closeOverlay();
|
||||
|
||||
dom.overlay = document.createElement( 'div' );
|
||||
dom.overlay.classList.add( 'overlay' );
|
||||
dom.overlay.classList.add( 'overlay-preview' );
|
||||
dom.wrapper.appendChild( dom.overlay );
|
||||
|
||||
dom.overlay.innerHTML = [
|
||||
'<header>',
|
||||
'<a class="close" href="#"><span class="icon"></span></a>',
|
||||
'<a class="external" href="'+ url +'" target="_blank"><span class="icon"></span></a>',
|
||||
'</header>',
|
||||
'<div class="spinner"></div>',
|
||||
'<div class="viewport">',
|
||||
'<iframe src="'+ url +'"></iframe>',
|
||||
'<small class="viewport-inner">',
|
||||
'<span class="x-frame-error">Unable to load iframe. This is likely due to the site\'s policy (x-frame-options).</span>',
|
||||
'</small>',
|
||||
'</div>'
|
||||
].join('');
|
||||
|
||||
dom.overlay.querySelector( 'iframe' ).addEventListener( 'load', function( event ) {
|
||||
dom.overlay.classList.add( 'loaded' );
|
||||
}, false );
|
||||
|
||||
dom.overlay.querySelector( '.close' ).addEventListener( 'click', function( event ) {
|
||||
closeOverlay();
|
||||
event.preventDefault();
|
||||
}, false );
|
||||
|
||||
dom.overlay.querySelector( '.external' ).addEventListener( 'click', function( event ) {
|
||||
closeOverlay();
|
||||
}, false );
|
||||
|
||||
setTimeout( function() {
|
||||
dom.overlay.classList.add( 'visible' );
|
||||
}, 1 );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Open or close help overlay window.
|
||||
*
|
||||
* @param {Boolean} [override] Flag which overrides the
|
||||
* toggle logic and forcibly sets the desired state. True means
|
||||
* help is open, false means it's closed.
|
||||
*/
|
||||
function toggleHelp( override ){
|
||||
|
||||
if( typeof override === 'boolean' ) {
|
||||
override ? showHelp() : closeOverlay();
|
||||
}
|
||||
else {
|
||||
if( dom.overlay ) {
|
||||
closeOverlay();
|
||||
}
|
||||
else {
|
||||
showHelp();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Opens an overlay window with help material.
|
||||
*/
|
||||
function showHelp() {
|
||||
|
||||
if( config.help ) {
|
||||
|
||||
closeOverlay();
|
||||
|
||||
dom.overlay = document.createElement( 'div' );
|
||||
dom.overlay.classList.add( 'overlay' );
|
||||
dom.overlay.classList.add( 'overlay-help' );
|
||||
dom.wrapper.appendChild( dom.overlay );
|
||||
|
||||
var html = '<p class="title">Keyboard Shortcuts</p><br/>';
|
||||
|
||||
html += '<table><th>KEY</th><th>ACTION</th>';
|
||||
for( var key in keyboardShortcuts ) {
|
||||
html += '<tr><td>' + key + '</td><td>' + keyboardShortcuts[ key ] + '</td></tr>';
|
||||
}
|
||||
|
||||
// Add custom key bindings that have associated descriptions
|
||||
for( var binding in registeredKeyBindings ) {
|
||||
if( registeredKeyBindings[binding].key && registeredKeyBindings[binding].description ) {
|
||||
html += '<tr><td>' + registeredKeyBindings[binding].key + '</td><td>' + registeredKeyBindings[binding].description + '</td></tr>';
|
||||
}
|
||||
}
|
||||
|
||||
html += '</table>';
|
||||
|
||||
dom.overlay.innerHTML = [
|
||||
'<header>',
|
||||
'<a class="close" href="#"><span class="icon"></span></a>',
|
||||
'</header>',
|
||||
'<div class="viewport">',
|
||||
'<div class="viewport-inner">'+ html +'</div>',
|
||||
'</div>'
|
||||
].join('');
|
||||
|
||||
dom.overlay.querySelector( '.close' ).addEventListener( 'click', function( event ) {
|
||||
closeOverlay();
|
||||
event.preventDefault();
|
||||
}, false );
|
||||
|
||||
setTimeout( function() {
|
||||
dom.overlay.classList.add( 'visible' );
|
||||
}, 1 );
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Closes any currently open overlay.
|
||||
*/
|
||||
function closeOverlay() {
|
||||
|
||||
if( dom.overlay ) {
|
||||
dom.overlay.parentNode.removeChild( dom.overlay );
|
||||
dom.overlay = null;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Applies JavaScript-controlled layout rules to the
|
||||
* presentation.
|
||||
*/
|
||||
function layout() {
|
||||
|
||||
if( dom.wrapper && !isPrintingPDF() ) {
|
||||
|
||||
if( !config.disableLayout ) {
|
||||
|
||||
// On some mobile devices '100vh' is taller than the visible
|
||||
// viewport which leads to part of the presentation being
|
||||
// cut off. To work around this we define our own '--vh' custom
|
||||
// property where 100x adds up to the correct height.
|
||||
//
|
||||
// https://css-tricks.com/the-trick-to-viewport-units-on-mobile/
|
||||
if( isMobileDevice ) {
|
||||
document.documentElement.style.setProperty( '--vh', ( window.innerHeight * 0.01 ) + 'px' );
|
||||
}
|
||||
|
||||
var size = getComputedSlideSize();
|
||||
|
||||
var oldScale = scale;
|
||||
|
||||
// Layout the contents of the slides
|
||||
layoutSlideContents( config.width, config.height );
|
||||
|
||||
dom.slides.style.width = size.width + 'px';
|
||||
dom.slides.style.height = size.height + 'px';
|
||||
|
||||
// Determine scale of content to fit within available space
|
||||
scale = Math.min( size.presentationWidth / size.width, size.presentationHeight / size.height );
|
||||
|
||||
// Respect max/min scale settings
|
||||
scale = Math.max( scale, config.minScale );
|
||||
scale = Math.min( scale, config.maxScale );
|
||||
|
||||
// Don't apply any scaling styles if scale is 1
|
||||
if( scale === 1 ) {
|
||||
dom.slides.style.zoom = '';
|
||||
dom.slides.style.left = '';
|
||||
dom.slides.style.top = '';
|
||||
dom.slides.style.bottom = '';
|
||||
dom.slides.style.right = '';
|
||||
transformSlides( { layout: '' } );
|
||||
}
|
||||
else {
|
||||
// Prefer zoom for scaling up so that content remains crisp.
|
||||
// Don't use zoom to scale down since that can lead to shifts
|
||||
// in text layout/line breaks.
|
||||
if( scale > 1 && features.zoom ) {
|
||||
dom.slides.style.zoom = scale;
|
||||
dom.slides.style.left = '';
|
||||
dom.slides.style.top = '';
|
||||
dom.slides.style.bottom = '';
|
||||
dom.slides.style.right = '';
|
||||
transformSlides( { layout: '' } );
|
||||
}
|
||||
// Apply scale transform as a fallback
|
||||
else {
|
||||
dom.slides.style.zoom = '';
|
||||
dom.slides.style.left = '50%';
|
||||
dom.slides.style.top = '50%';
|
||||
dom.slides.style.bottom = 'auto';
|
||||
dom.slides.style.right = 'auto';
|
||||
transformSlides( { layout: 'translate(-50%, -50%) scale('+ scale +')' } );
|
||||
}
|
||||
}
|
||||
|
||||
// Select all slides, vertical and horizontal
|
||||
var slides = toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) );
|
||||
|
||||
for( var i = 0, len = slides.length; i < len; i++ ) {
|
||||
var slide = slides[ i ];
|
||||
|
||||
// Don't bother updating invisible slides
|
||||
if( slide.style.display === 'none' ) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if( config.center || slide.classList.contains( 'center' ) ) {
|
||||
// Vertical stacks are not centred since their section
|
||||
// children will be
|
||||
if( slide.classList.contains( 'stack' ) ) {
|
||||
slide.style.top = 0;
|
||||
}
|
||||
else {
|
||||
slide.style.top = Math.max( ( size.height - slide.scrollHeight ) / 2, 0 ) + 'px';
|
||||
}
|
||||
}
|
||||
else {
|
||||
slide.style.top = '';
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if( oldScale !== scale ) {
|
||||
dispatchEvent( 'resize', {
|
||||
'oldScale': oldScale,
|
||||
'scale': scale,
|
||||
'size': size
|
||||
} );
|
||||
}
|
||||
}
|
||||
|
||||
updateProgress();
|
||||
updateParallax();
|
||||
|
||||
if( isOverview() ) {
|
||||
updateOverview();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Applies layout logic to the contents of all slides in
|
||||
* the presentation.
|
||||
*
|
||||
* @param {string|number} width
|
||||
* @param {string|number} height
|
||||
*/
|
||||
function layoutSlideContents( width, height ) {
|
||||
|
||||
// Handle sizing of elements with the 'stretch' class
|
||||
toArray( dom.slides.querySelectorAll( 'section > .stretch' ) ).forEach( function( element ) {
|
||||
|
||||
// Determine how much vertical space we can use
|
||||
var remainingHeight = getRemainingHeight( element, height );
|
||||
|
||||
// Consider the aspect ratio of media elements
|
||||
if( /(img|video)/gi.test( element.nodeName ) ) {
|
||||
var nw = element.naturalWidth || element.videoWidth,
|
||||
nh = element.naturalHeight || element.videoHeight;
|
||||
|
||||
var es = Math.min( width / nw, remainingHeight / nh );
|
||||
|
||||
element.style.width = ( nw * es ) + 'px';
|
||||
element.style.height = ( nh * es ) + 'px';
|
||||
|
||||
}
|
||||
else {
|
||||
element.style.width = width + 'px';
|
||||
element.style.height = remainingHeight + 'px';
|
||||
}
|
||||
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculates the computed pixel size of our slides. These
|
||||
* values are based on the width and height configuration
|
||||
* options.
|
||||
*
|
||||
* @param {number} [presentationWidth=dom.wrapper.offsetWidth]
|
||||
* @param {number} [presentationHeight=dom.wrapper.offsetHeight]
|
||||
*/
|
||||
function getComputedSlideSize( presentationWidth, presentationHeight ) {
|
||||
|
||||
var size = {
|
||||
// Slide size
|
||||
width: config.width,
|
||||
height: config.height,
|
||||
|
||||
// Presentation size
|
||||
presentationWidth: presentationWidth || dom.wrapper.offsetWidth,
|
||||
presentationHeight: presentationHeight || dom.wrapper.offsetHeight
|
||||
};
|
||||
|
||||
// Reduce available space by margin
|
||||
size.presentationWidth -= ( size.presentationWidth * config.margin );
|
||||
size.presentationHeight -= ( size.presentationHeight * config.margin );
|
||||
|
||||
// Slide width may be a percentage of available width
|
||||
if( typeof size.width === 'string' && /%$/.test( size.width ) ) {
|
||||
size.width = parseInt( size.width, 10 ) / 100 * size.presentationWidth;
|
||||
}
|
||||
|
||||
// Slide height may be a percentage of available height
|
||||
if( typeof size.height === 'string' && /%$/.test( size.height ) ) {
|
||||
size.height = parseInt( size.height, 10 ) / 100 * size.presentationHeight;
|
||||
}
|
||||
|
||||
return size;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Stores the vertical index of a stack so that the same
|
||||
* vertical slide can be selected when navigating to and
|
||||
* from the stack.
|
||||
*
|
||||
* @param {HTMLElement} stack The vertical stack element
|
||||
* @param {string|number} [v=0] Index to memorize
|
||||
*/
|
||||
function setPreviousVerticalIndex( stack, v ) {
|
||||
|
||||
if( typeof stack === 'object' && typeof stack.setAttribute === 'function' ) {
|
||||
stack.setAttribute( 'data-previous-indexv', v || 0 );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieves the vertical index which was stored using
|
||||
* #setPreviousVerticalIndex() or 0 if no previous index
|
||||
* exists.
|
||||
*
|
||||
* @param {HTMLElement} stack The vertical stack element
|
||||
*/
|
||||
function getPreviousVerticalIndex( stack ) {
|
||||
|
||||
if( typeof stack === 'object' && typeof stack.setAttribute === 'function' && stack.classList.contains( 'stack' ) ) {
|
||||
// Prefer manually defined start-indexv
|
||||
var attributeName = stack.hasAttribute( 'data-start-indexv' ) ? 'data-start-indexv' : 'data-previous-indexv';
|
||||
|
||||
return parseInt( stack.getAttribute( attributeName ) || 0, 10 );
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Displays the overview of slides (quick nav) by scaling
|
||||
* down and arranging all slide elements.
|
||||
*/
|
||||
function activateOverview() {
|
||||
|
||||
// Only proceed if enabled in config
|
||||
if( config.overview && !isOverview() ) {
|
||||
|
||||
overview = true;
|
||||
|
||||
dom.wrapper.classList.add( 'overview' );
|
||||
dom.wrapper.classList.remove( 'overview-deactivating' );
|
||||
|
||||
if( features.overviewTransitions ) {
|
||||
setTimeout( function() {
|
||||
dom.wrapper.classList.add( 'overview-animated' );
|
||||
}, 1 );
|
||||
}
|
||||
|
||||
// Don't auto-slide while in overview mode
|
||||
cancelAutoSlide();
|
||||
|
||||
// Move the backgrounds element into the slide container to
|
||||
// that the same scaling is applied
|
||||
dom.slides.appendChild( dom.background );
|
||||
|
||||
// Clicking on an overview slide navigates to it
|
||||
toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) ).forEach( function( slide ) {
|
||||
if( !slide.classList.contains( 'stack' ) ) {
|
||||
slide.addEventListener( 'click', onOverviewSlideClicked, true );
|
||||
}
|
||||
} );
|
||||
|
||||
// Calculate slide sizes
|
||||
var margin = 70;
|
||||
var slideSize = getComputedSlideSize();
|
||||
overviewSlideWidth = slideSize.width + margin;
|
||||
overviewSlideHeight = slideSize.height + margin;
|
||||
|
||||
// Reverse in RTL mode
|
||||
if( config.rtl ) {
|
||||
overviewSlideWidth = -overviewSlideWidth;
|
||||
}
|
||||
|
||||
updateSlidesVisibility();
|
||||
layoutOverview();
|
||||
updateOverview();
|
||||
|
||||
layout();
|
||||
|
||||
// Notify observers of the overview showing
|
||||
dispatchEvent( 'overviewshown', {
|
||||
'indexh': indexh,
|
||||
'indexv': indexv,
|
||||
'currentSlide': currentSlide
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Uses CSS transforms to position all slides in a grid for
|
||||
* display inside of the overview mode.
|
||||
*/
|
||||
function layoutOverview() {
|
||||
|
||||
// Layout slides
|
||||
toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).forEach( function( hslide, h ) {
|
||||
hslide.setAttribute( 'data-index-h', h );
|
||||
transformElement( hslide, 'translate3d(' + ( h * overviewSlideWidth ) + 'px, 0, 0)' );
|
||||
|
||||
if( hslide.classList.contains( 'stack' ) ) {
|
||||
|
||||
toArray( hslide.querySelectorAll( 'section' ) ).forEach( function( vslide, v ) {
|
||||
vslide.setAttribute( 'data-index-h', h );
|
||||
vslide.setAttribute( 'data-index-v', v );
|
||||
|
||||
transformElement( vslide, 'translate3d(0, ' + ( v * overviewSlideHeight ) + 'px, 0)' );
|
||||
} );
|
||||
|
||||
}
|
||||
} );
|
||||
|
||||
// Layout slide backgrounds
|
||||
toArray( dom.background.childNodes ).forEach( function( hbackground, h ) {
|
||||
transformElement( hbackground, 'translate3d(' + ( h * overviewSlideWidth ) + 'px, 0, 0)' );
|
||||
|
||||
toArray( hbackground.querySelectorAll( '.slide-background' ) ).forEach( function( vbackground, v ) {
|
||||
transformElement( vbackground, 'translate3d(0, ' + ( v * overviewSlideHeight ) + 'px, 0)' );
|
||||
} );
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Moves the overview viewport to the current slides.
|
||||
* Called each time the current slide changes.
|
||||
*/
|
||||
function updateOverview() {
|
||||
|
||||
var vmin = Math.min( window.innerWidth, window.innerHeight );
|
||||
var scale = Math.max( vmin / 5, 150 ) / vmin;
|
||||
|
||||
transformSlides( {
|
||||
overview: [
|
||||
'scale('+ scale +')',
|
||||
'translateX('+ ( -indexh * overviewSlideWidth ) +'px)',
|
||||
'translateY('+ ( -indexv * overviewSlideHeight ) +'px)'
|
||||
].join( ' ' )
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Exits the slide overview and enters the currently
|
||||
* active slide.
|
||||
*/
|
||||
function deactivateOverview() {
|
||||
|
||||
// Only proceed if enabled in config
|
||||
if( config.overview ) {
|
||||
|
||||
overview = false;
|
||||
|
||||
dom.wrapper.classList.remove( 'overview' );
|
||||
dom.wrapper.classList.remove( 'overview-animated' );
|
||||
|
||||
// Temporarily add a class so that transitions can do different things
|
||||
// depending on whether they are exiting/entering overview, or just
|
||||
// moving from slide to slide
|
||||
dom.wrapper.classList.add( 'overview-deactivating' );
|
||||
|
||||
setTimeout( function () {
|
||||
dom.wrapper.classList.remove( 'overview-deactivating' );
|
||||
}, 1 );
|
||||
|
||||
// Move the background element back out
|
||||
dom.wrapper.appendChild( dom.background );
|
||||
|
||||
// Clean up changes made to slides
|
||||
toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) ).forEach( function( slide ) {
|
||||
transformElement( slide, '' );
|
||||
|
||||
slide.removeEventListener( 'click', onOverviewSlideClicked, true );
|
||||
} );
|
||||
|
||||
// Clean up changes made to backgrounds
|
||||
toArray( dom.background.querySelectorAll( '.slide-background' ) ).forEach( function( background ) {
|
||||
transformElement( background, '' );
|
||||
} );
|
||||
|
||||
transformSlides( { overview: '' } );
|
||||
|
||||
slide( indexh, indexv );
|
||||
|
||||
layout();
|
||||
|
||||
cueAutoSlide();
|
||||
|
||||
// Notify observers of the overview hiding
|
||||
dispatchEvent( 'overviewhidden', {
|
||||
'indexh': indexh,
|
||||
'indexv': indexv,
|
||||
'currentSlide': currentSlide
|
||||
} );
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Toggles the slide overview mode on and off.
|
||||
*
|
||||
* @param {Boolean} [override] Flag which overrides the
|
||||
* toggle logic and forcibly sets the desired state. True means
|
||||
* overview is open, false means it's closed.
|
||||
*/
|
||||
function toggleOverview( override ) {
|
||||
|
||||
if( typeof override === 'boolean' ) {
|
||||
override ? activateOverview() : deactivateOverview();
|
||||
}
|
||||
else {
|
||||
isOverview() ? deactivateOverview() : activateOverview();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if the overview is currently active.
|
||||
*
|
||||
* @return {Boolean} true if the overview is active,
|
||||
* false otherwise
|
||||
*/
|
||||
function isOverview() {
|
||||
|
||||
return overview;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Return a hash URL that will resolve to the current slide location.
|
||||
*/
|
||||
function locationHash() {
|
||||
|
||||
var url = '/';
|
||||
|
||||
// Attempt to create a named link based on the slide's ID
|
||||
var id = currentSlide ? currentSlide.getAttribute( 'id' ) : null;
|
||||
if( id ) {
|
||||
id = encodeURIComponent( id );
|
||||
}
|
||||
|
||||
var indexf;
|
||||
if( config.fragmentInURL ) {
|
||||
indexf = getIndices().f;
|
||||
}
|
||||
|
||||
// If the current slide has an ID, use that as a named link,
|
||||
// but we don't support named links with a fragment index
|
||||
if( typeof id === 'string' && id.length && indexf === undefined ) {
|
||||
url = '/' + id;
|
||||
}
|
||||
// Otherwise use the /h/v index
|
||||
else {
|
||||
var hashIndexBase = config.hashOneBasedIndex ? 1 : 0;
|
||||
if( indexh > 0 || indexv > 0 || indexf !== undefined ) url += indexh + hashIndexBase;
|
||||
if( indexv > 0 || indexf !== undefined ) url += '/' + (indexv + hashIndexBase );
|
||||
if( indexf !== undefined ) url += '/' + indexf;
|
||||
}
|
||||
|
||||
return url;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if the current or specified slide is vertical
|
||||
* (nested within another slide).
|
||||
*
|
||||
* @param {HTMLElement} [slide=currentSlide] The slide to check
|
||||
* orientation of
|
||||
* @return {Boolean}
|
||||
*/
|
||||
function isVerticalSlide( slide ) {
|
||||
|
||||
// Prefer slide argument, otherwise use current slide
|
||||
slide = slide ? slide : currentSlide;
|
||||
|
||||
return slide && slide.parentNode && !!slide.parentNode.nodeName.match( /section/i );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Handling the fullscreen functionality via the fullscreen API
|
||||
*
|
||||
* @see http://fullscreen.spec.whatwg.org/
|
||||
* @see https://developer.mozilla.org/en-US/docs/DOM/Using_fullscreen_mode
|
||||
*/
|
||||
function enterFullscreen() {
|
||||
|
||||
var element = document.documentElement;
|
||||
|
||||
// Check which implementation is available
|
||||
var requestMethod = element.requestFullscreen ||
|
||||
element.webkitRequestFullscreen ||
|
||||
element.webkitRequestFullScreen ||
|
||||
element.mozRequestFullScreen ||
|
||||
element.msRequestFullscreen;
|
||||
|
||||
if( requestMethod ) {
|
||||
requestMethod.apply( element );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Shows the mouse pointer after it has been hidden with
|
||||
* #hideCursor.
|
||||
*/
|
||||
function showCursor() {
|
||||
|
||||
if( cursorHidden ) {
|
||||
cursorHidden = false;
|
||||
dom.wrapper.style.cursor = '';
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Hides the mouse pointer when it's on top of the .reveal
|
||||
* container.
|
||||
*/
|
||||
function hideCursor() {
|
||||
|
||||
if( cursorHidden === false ) {
|
||||
cursorHidden = true;
|
||||
dom.wrapper.style.cursor = 'none';
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Enters the paused mode which fades everything on screen to
|
||||
* black.
|
||||
*/
|
||||
function pause() {
|
||||
|
||||
if( config.pause ) {
|
||||
var wasPaused = dom.wrapper.classList.contains( 'paused' );
|
||||
|
||||
cancelAutoSlide();
|
||||
dom.wrapper.classList.add( 'paused' );
|
||||
|
||||
if( wasPaused === false ) {
|
||||
dispatchEvent( 'paused' );
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Exits from the paused mode.
|
||||
*/
|
||||
function resume() {
|
||||
|
||||
var wasPaused = dom.wrapper.classList.contains( 'paused' );
|
||||
dom.wrapper.classList.remove( 'paused' );
|
||||
|
||||
cueAutoSlide();
|
||||
|
||||
if( wasPaused ) {
|
||||
dispatchEvent( 'resumed' );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Toggles the paused mode on and off.
|
||||
*/
|
||||
function togglePause( override ) {
|
||||
|
||||
if( typeof override === 'boolean' ) {
|
||||
override ? pause() : resume();
|
||||
}
|
||||
else {
|
||||
isPaused() ? resume() : pause();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if we are currently in the paused mode.
|
||||
*
|
||||
* @return {Boolean}
|
||||
*/
|
||||
function isPaused() {
|
||||
|
||||
return dom.wrapper.classList.contains( 'paused' );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Toggles the auto slide mode on and off.
|
||||
*
|
||||
* @param {Boolean} [override] Flag which sets the desired state.
|
||||
* True means autoplay starts, false means it stops.
|
||||
*/
|
||||
|
||||
function toggleAutoSlide( override ) {
|
||||
|
||||
if( typeof override === 'boolean' ) {
|
||||
override ? resumeAutoSlide() : pauseAutoSlide();
|
||||
}
|
||||
|
||||
else {
|
||||
autoSlidePaused ? resumeAutoSlide() : pauseAutoSlide();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if the auto slide mode is currently on.
|
||||
*
|
||||
* @return {Boolean}
|
||||
*/
|
||||
function isAutoSliding() {
|
||||
|
||||
return !!( autoSlide && !autoSlidePaused );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Steps from the current point in the presentation to the
|
||||
* slide which matches the specified horizontal and vertical
|
||||
* indices.
|
||||
*
|
||||
* @param {number} [h=indexh] Horizontal index of the target slide
|
||||
* @param {number} [v=indexv] Vertical index of the target slide
|
||||
* @param {number} [f] Index of a fragment within the
|
||||
* target slide to activate
|
||||
* @param {number} [o] Origin for use in multimaster environments
|
||||
*/
|
||||
function slide( h, v, f, o ) {
|
||||
|
||||
// Remember where we were at before
|
||||
previousSlide = currentSlide;
|
||||
|
||||
// Query all horizontal slides in the deck
|
||||
var horizontalSlides = dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR );
|
||||
|
||||
// Abort if there are no slides
|
||||
if( horizontalSlides.length === 0 ) return;
|
||||
|
||||
// If no vertical index is specified and the upcoming slide is a
|
||||
// stack, resume at its previous vertical index
|
||||
if( v === undefined && !isOverview() ) {
|
||||
v = getPreviousVerticalIndex( horizontalSlides[ h ] );
|
||||
}
|
||||
|
||||
// If we were on a vertical stack, remember what vertical index
|
||||
// it was on so we can resume at the same position when returning
|
||||
if( previousSlide && previousSlide.parentNode && previousSlide.parentNode.classList.contains( 'stack' ) ) {
|
||||
setPreviousVerticalIndex( previousSlide.parentNode, indexv );
|
||||
}
|
||||
|
||||
// Remember the state before this slide
|
||||
var stateBefore = state.concat();
|
||||
|
||||
// Reset the state array
|
||||
state.length = 0;
|
||||
|
||||
var indexhBefore = indexh || 0,
|
||||
indexvBefore = indexv || 0;
|
||||
|
||||
// Activate and transition to the new slide
|
||||
indexh = updateSlides( HORIZONTAL_SLIDES_SELECTOR, h === undefined ? indexh : h );
|
||||
indexv = updateSlides( VERTICAL_SLIDES_SELECTOR, v === undefined ? indexv : v );
|
||||
|
||||
// Update the visibility of slides now that the indices have changed
|
||||
updateSlidesVisibility();
|
||||
|
||||
layout();
|
||||
|
||||
// Update the overview if it's currently active
|
||||
if( isOverview() ) {
|
||||
updateOverview();
|
||||
}
|
||||
|
||||
// Find the current horizontal slide and any possible vertical slides
|
||||
// within it
|
||||
var currentHorizontalSlide = horizontalSlides[ indexh ],
|
||||
currentVerticalSlides = currentHorizontalSlide.querySelectorAll( 'section' );
|
||||
|
||||
// Store references to the previous and current slides
|
||||
currentSlide = currentVerticalSlides[ indexv ] || currentHorizontalSlide;
|
||||
|
||||
// Show fragment, if specified
|
||||
if( typeof f !== 'undefined' ) {
|
||||
navigateFragment( f );
|
||||
}
|
||||
|
||||
// Dispatch an event if the slide changed
|
||||
var slideChanged = ( indexh !== indexhBefore || indexv !== indexvBefore );
|
||||
if (!slideChanged) {
|
||||
// Ensure that the previous slide is never the same as the current
|
||||
previousSlide = null;
|
||||
}
|
||||
|
||||
// Solves an edge case where the previous slide maintains the
|
||||
// 'present' class when navigating between adjacent vertical
|
||||
// stacks
|
||||
if( previousSlide && previousSlide !== currentSlide ) {
|
||||
previousSlide.classList.remove( 'present' );
|
||||
previousSlide.setAttribute( 'aria-hidden', 'true' );
|
||||
|
||||
// Reset all slides upon navigate to home
|
||||
// Issue: #285
|
||||
if ( dom.wrapper.querySelector( HOME_SLIDE_SELECTOR ).classList.contains( 'present' ) ) {
|
||||
// Launch async task
|
||||
setTimeout( function () {
|
||||
var slides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.stack') ), i;
|
||||
for( i in slides ) {
|
||||
if( slides[i] ) {
|
||||
// Reset stack
|
||||
setPreviousVerticalIndex( slides[i], 0 );
|
||||
}
|
||||
}
|
||||
}, 0 );
|
||||
}
|
||||
}
|
||||
|
||||
// Apply the new state
|
||||
stateLoop: for( var i = 0, len = state.length; i < len; i++ ) {
|
||||
// Check if this state existed on the previous slide. If it
|
||||
// did, we will avoid adding it repeatedly
|
||||
for( var j = 0; j < stateBefore.length; j++ ) {
|
||||
if( stateBefore[j] === state[i] ) {
|
||||
stateBefore.splice( j, 1 );
|
||||
continue stateLoop;
|
||||
}
|
||||
}
|
||||
|
||||
document.documentElement.classList.add( state[i] );
|
||||
|
||||
// Dispatch custom event matching the state's name
|
||||
dispatchEvent( state[i] );
|
||||
}
|
||||
|
||||
// Clean up the remains of the previous state
|
||||
while( stateBefore.length ) {
|
||||
document.documentElement.classList.remove( stateBefore.pop() );
|
||||
}
|
||||
|
||||
if( slideChanged ) {
|
||||
dispatchEvent( 'slidechanged', {
|
||||
'indexh': indexh,
|
||||
'indexv': indexv,
|
||||
'previousSlide': previousSlide,
|
||||
'currentSlide': currentSlide,
|
||||
'origin': o
|
||||
} );
|
||||
}
|
||||
|
||||
// Handle embedded content
|
||||
if( slideChanged || !previousSlide ) {
|
||||
stopEmbeddedContent( previousSlide );
|
||||
startEmbeddedContent( currentSlide );
|
||||
}
|
||||
|
||||
// Announce the current slide contents, for screen readers
|
||||
dom.statusDiv.textContent = getStatusText( currentSlide );
|
||||
|
||||
updateControls();
|
||||
updateProgress();
|
||||
updateBackground();
|
||||
updateParallax();
|
||||
updateSlideNumber();
|
||||
updateNotes();
|
||||
updateFragments();
|
||||
|
||||
// Update the URL hash
|
||||
writeURL();
|
||||
|
||||
cueAutoSlide();
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Syncs the presentation with the current DOM. Useful
|
||||
* when new slides or control elements are added or when
|
||||
* the configuration has changed.
|
||||
*/
|
||||
function sync() {
|
||||
|
||||
// Subscribe to input
|
||||
removeEventListeners();
|
||||
addEventListeners();
|
||||
|
||||
// Force a layout to make sure the current config is accounted for
|
||||
layout();
|
||||
|
||||
// Reflect the current autoSlide value
|
||||
autoSlide = config.autoSlide;
|
||||
|
||||
// Start auto-sliding if it's enabled
|
||||
cueAutoSlide();
|
||||
|
||||
// Re-create the slide backgrounds
|
||||
createBackgrounds();
|
||||
|
||||
// Write the current hash to the URL
|
||||
writeURL();
|
||||
|
||||
sortAllFragments();
|
||||
|
||||
updateControls();
|
||||
updateProgress();
|
||||
updateSlideNumber();
|
||||
updateSlidesVisibility();
|
||||
updateBackground( true );
|
||||
updateNotesVisibility();
|
||||
updateNotes();
|
||||
|
||||
formatEmbeddedContent();
|
||||
|
||||
// Start or stop embedded content depending on global config
|
||||
if( config.autoPlayMedia === false ) {
|
||||
stopEmbeddedContent( currentSlide, { unloadIframes: false } );
|
||||
}
|
||||
else {
|
||||
startEmbeddedContent( currentSlide );
|
||||
}
|
||||
|
||||
if( isOverview() ) {
|
||||
layoutOverview();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates reveal.js to keep in sync with new slide attributes. For
|
||||
* example, if you add a new `data-background-image` you can call
|
||||
* this to have reveal.js render the new background image.
|
||||
*
|
||||
* Similar to #sync() but more efficient when you only need to
|
||||
* refresh a specific slide.
|
||||
*
|
||||
* @param {HTMLElement} slide
|
||||
*/
|
||||
function syncSlide( slide ) {
|
||||
|
||||
// Default to the current slide
|
||||
slide = slide || currentSlide;
|
||||
|
||||
syncBackground( slide );
|
||||
syncFragments( slide );
|
||||
|
||||
updateBackground();
|
||||
updateNotes();
|
||||
|
||||
loadSlide( slide );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Formats the fragments on the given slide so that they have
|
||||
* valid indices. Call this if fragments are changed in the DOM
|
||||
* after reveal.js has already initialized.
|
||||
*
|
||||
* @param {HTMLElement} slide
|
||||
* @return {Array} a list of the HTML fragments that were synced
|
||||
*/
|
||||
function syncFragments( slide ) {
|
||||
|
||||
// Default to the current slide
|
||||
slide = slide || currentSlide;
|
||||
|
||||
return sortFragments( slide.querySelectorAll( '.fragment' ) );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Resets all vertical slides so that only the first
|
||||
* is visible.
|
||||
*/
|
||||
function resetVerticalSlides() {
|
||||
|
||||
var horizontalSlides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
|
||||
horizontalSlides.forEach( function( horizontalSlide ) {
|
||||
|
||||
var verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) );
|
||||
verticalSlides.forEach( function( verticalSlide, y ) {
|
||||
|
||||
if( y > 0 ) {
|
||||
verticalSlide.classList.remove( 'present' );
|
||||
verticalSlide.classList.remove( 'past' );
|
||||
verticalSlide.classList.add( 'future' );
|
||||
verticalSlide.setAttribute( 'aria-hidden', 'true' );
|
||||
}
|
||||
|
||||
} );
|
||||
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Sorts and formats all of fragments in the
|
||||
* presentation.
|
||||
*/
|
||||
function sortAllFragments() {
|
||||
|
||||
var horizontalSlides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
|
||||
horizontalSlides.forEach( function( horizontalSlide ) {
|
||||
|
||||
var verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) );
|
||||
verticalSlides.forEach( function( verticalSlide, y ) {
|
||||
|
||||
sortFragments( verticalSlide.querySelectorAll( '.fragment' ) );
|
||||
|
||||
} );
|
||||
|
||||
if( verticalSlides.length === 0 ) sortFragments( horizontalSlide.querySelectorAll( '.fragment' ) );
|
||||
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Randomly shuffles all slides in the deck.
|
||||
*/
|
||||
function shuffle() {
|
||||
|
||||
var slides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
|
||||
|
||||
slides.forEach( function( slide ) {
|
||||
|
||||
// Insert this slide next to another random slide. This may
|
||||
// cause the slide to insert before itself but that's fine.
|
||||
dom.slides.insertBefore( slide, slides[ Math.floor( Math.random() * slides.length ) ] );
|
||||
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates one dimension of slides by showing the slide
|
||||
* with the specified index.
|
||||
*
|
||||
* @param {string} selector A CSS selector that will fetch
|
||||
* the group of slides we are working with
|
||||
* @param {number} index The index of the slide that should be
|
||||
* shown
|
||||
*
|
||||
* @return {number} The index of the slide that is now shown,
|
||||
* might differ from the passed in index if it was out of
|
||||
* bounds.
|
||||
*/
|
||||
function updateSlides( selector, index ) {
|
||||
|
||||
// Select all slides and convert the NodeList result to
|
||||
// an array
|
||||
var slides = toArray( dom.wrapper.querySelectorAll( selector ) ),
|
||||
slidesLength = slides.length;
|
||||
|
||||
var printMode = isPrintingPDF();
|
||||
|
||||
if( slidesLength ) {
|
||||
|
||||
// Should the index loop?
|
||||
if( config.loop ) {
|
||||
index %= slidesLength;
|
||||
|
||||
if( index < 0 ) {
|
||||
index = slidesLength + index;
|
||||
}
|
||||
}
|
||||
|
||||
// Enforce max and minimum index bounds
|
||||
index = Math.max( Math.min( index, slidesLength - 1 ), 0 );
|
||||
|
||||
for( var i = 0; i < slidesLength; i++ ) {
|
||||
var element = slides[i];
|
||||
|
||||
var reverse = config.rtl && !isVerticalSlide( element );
|
||||
|
||||
element.classList.remove( 'past' );
|
||||
element.classList.remove( 'present' );
|
||||
element.classList.remove( 'future' );
|
||||
|
||||
// http://www.w3.org/html/wg/drafts/html/master/editing.html#the-hidden-attribute
|
||||
element.setAttribute( 'hidden', '' );
|
||||
element.setAttribute( 'aria-hidden', 'true' );
|
||||
|
||||
// If this element contains vertical slides
|
||||
if( element.querySelector( 'section' ) ) {
|
||||
element.classList.add( 'stack' );
|
||||
}
|
||||
|
||||
// If we're printing static slides, all slides are "present"
|
||||
if( printMode ) {
|
||||
element.classList.add( 'present' );
|
||||
continue;
|
||||
}
|
||||
|
||||
if( i < index ) {
|
||||
// Any element previous to index is given the 'past' class
|
||||
element.classList.add( reverse ? 'future' : 'past' );
|
||||
|
||||
if( config.fragments ) {
|
||||
// Show all fragments in prior slides
|
||||
toArray( element.querySelectorAll( '.fragment' ) ).forEach( function( fragment ) {
|
||||
fragment.classList.add( 'visible' );
|
||||
fragment.classList.remove( 'current-fragment' );
|
||||
} );
|
||||
}
|
||||
}
|
||||
else if( i > index ) {
|
||||
// Any element subsequent to index is given the 'future' class
|
||||
element.classList.add( reverse ? 'past' : 'future' );
|
||||
|
||||
if( config.fragments ) {
|
||||
// Hide all fragments in future slides
|
||||
toArray( element.querySelectorAll( '.fragment.visible' ) ).forEach( function( fragment ) {
|
||||
fragment.classList.remove( 'visible' );
|
||||
fragment.classList.remove( 'current-fragment' );
|
||||
} );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Mark the current slide as present
|
||||
slides[index].classList.add( 'present' );
|
||||
slides[index].removeAttribute( 'hidden' );
|
||||
slides[index].removeAttribute( 'aria-hidden' );
|
||||
|
||||
// If this slide has a state associated with it, add it
|
||||
// onto the current state of the deck
|
||||
var slideState = slides[index].getAttribute( 'data-state' );
|
||||
if( slideState ) {
|
||||
state = state.concat( slideState.split( ' ' ) );
|
||||
}
|
||||
|
||||
}
|
||||
else {
|
||||
// Since there are no slides we can't be anywhere beyond the
|
||||
// zeroth index
|
||||
index = 0;
|
||||
}
|
||||
|
||||
return index;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Optimization method; hide all slides that are far away
|
||||
* from the present slide.
|
||||
*/
|
||||
function updateSlidesVisibility() {
|
||||
|
||||
// Select all slides and convert the NodeList result to
|
||||
// an array
|
||||
var horizontalSlides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ),
|
||||
horizontalSlidesLength = horizontalSlides.length,
|
||||
distanceX,
|
||||
distanceY;
|
||||
|
||||
if( horizontalSlidesLength && typeof indexh !== 'undefined' ) {
|
||||
|
||||
// The number of steps away from the present slide that will
|
||||
// be visible
|
||||
var viewDistance = isOverview() ? 10 : config.viewDistance;
|
||||
|
||||
// Limit view distance on weaker devices
|
||||
if( isMobileDevice ) {
|
||||
viewDistance = isOverview() ? 6 : 2;
|
||||
}
|
||||
|
||||
// All slides need to be visible when exporting to PDF
|
||||
if( isPrintingPDF() ) {
|
||||
viewDistance = Number.MAX_VALUE;
|
||||
}
|
||||
|
||||
for( var x = 0; x < horizontalSlidesLength; x++ ) {
|
||||
var horizontalSlide = horizontalSlides[x];
|
||||
|
||||
var verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) ),
|
||||
verticalSlidesLength = verticalSlides.length;
|
||||
|
||||
// Determine how far away this slide is from the present
|
||||
distanceX = Math.abs( ( indexh || 0 ) - x ) || 0;
|
||||
|
||||
// If the presentation is looped, distance should measure
|
||||
// 1 between the first and last slides
|
||||
if( config.loop ) {
|
||||
distanceX = Math.abs( ( ( indexh || 0 ) - x ) % ( horizontalSlidesLength - viewDistance ) ) || 0;
|
||||
}
|
||||
|
||||
// Show the horizontal slide if it's within the view distance
|
||||
if( distanceX < viewDistance ) {
|
||||
loadSlide( horizontalSlide );
|
||||
}
|
||||
else {
|
||||
unloadSlide( horizontalSlide );
|
||||
}
|
||||
|
||||
if( verticalSlidesLength ) {
|
||||
|
||||
var oy = getPreviousVerticalIndex( horizontalSlide );
|
||||
|
||||
for( var y = 0; y < verticalSlidesLength; y++ ) {
|
||||
var verticalSlide = verticalSlides[y];
|
||||
|
||||
distanceY = x === ( indexh || 0 ) ? Math.abs( ( indexv || 0 ) - y ) : Math.abs( y - oy );
|
||||
|
||||
if( distanceX + distanceY < viewDistance ) {
|
||||
loadSlide( verticalSlide );
|
||||
}
|
||||
else {
|
||||
unloadSlide( verticalSlide );
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
// Flag if there are ANY vertical slides, anywhere in the deck
|
||||
if( dom.wrapper.querySelectorAll( '.slides>section>section' ).length ) {
|
||||
dom.wrapper.classList.add( 'has-vertical-slides' );
|
||||
}
|
||||
else {
|
||||
dom.wrapper.classList.remove( 'has-vertical-slides' );
|
||||
}
|
||||
|
||||
// Flag if there are ANY horizontal slides, anywhere in the deck
|
||||
if( dom.wrapper.querySelectorAll( '.slides>section' ).length > 1 ) {
|
||||
dom.wrapper.classList.add( 'has-horizontal-slides' );
|
||||
}
|
||||
else {
|
||||
dom.wrapper.classList.remove( 'has-horizontal-slides' );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Pick up notes from the current slide and display them
|
||||
* to the viewer.
|
||||
*
|
||||
* @see {@link config.showNotes}
|
||||
*/
|
||||
function updateNotes() {
|
||||
|
||||
if( config.showNotes && dom.speakerNotes && currentSlide && !isPrintingPDF() ) {
|
||||
|
||||
dom.speakerNotes.innerHTML = getSlideNotes() || '<span class="notes-placeholder">No notes on this slide.</span>';
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates the visibility of the speaker notes sidebar that
|
||||
* is used to share annotated slides. The notes sidebar is
|
||||
* only visible if showNotes is true and there are notes on
|
||||
* one or more slides in the deck.
|
||||
*/
|
||||
function updateNotesVisibility() {
|
||||
|
||||
if( config.showNotes && hasNotes() ) {
|
||||
dom.wrapper.classList.add( 'show-notes' );
|
||||
}
|
||||
else {
|
||||
dom.wrapper.classList.remove( 'show-notes' );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if there are speaker notes for ANY slide in the
|
||||
* presentation.
|
||||
*/
|
||||
function hasNotes() {
|
||||
|
||||
return dom.slides.querySelectorAll( '[data-notes], aside.notes' ).length > 0;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates the progress bar to reflect the current slide.
|
||||
*/
|
||||
function updateProgress() {
|
||||
|
||||
// Update progress if enabled
|
||||
if( config.progress && dom.progressbar ) {
|
||||
|
||||
dom.progressbar.style.width = getProgress() * dom.wrapper.offsetWidth + 'px';
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Updates the slide number to match the current slide.
|
||||
*/
|
||||
function updateSlideNumber() {
|
||||
|
||||
// Update slide number if enabled
|
||||
if( config.slideNumber && dom.slideNumber ) {
|
||||
|
||||
var value;
|
||||
var format = 'h.v';
|
||||
|
||||
if( typeof config.slideNumber === 'function' ) {
|
||||
value = config.slideNumber();
|
||||
}
|
||||
else {
|
||||
// Check if a custom number format is available
|
||||
if( typeof config.slideNumber === 'string' ) {
|
||||
format = config.slideNumber;
|
||||
}
|
||||
|
||||
// If there are ONLY vertical slides in this deck, always use
|
||||
// a flattened slide number
|
||||
if( !/c/.test( format ) && dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ).length === 1 ) {
|
||||
format = 'c';
|
||||
}
|
||||
|
||||
value = [];
|
||||
switch( format ) {
|
||||
case 'c':
|
||||
value.push( getSlidePastCount() + 1 );
|
||||
break;
|
||||
case 'c/t':
|
||||
value.push( getSlidePastCount() + 1, '/', getTotalSlides() );
|
||||
break;
|
||||
case 'h/v':
|
||||
value.push( indexh + 1 );
|
||||
if( isVerticalSlide() ) value.push( '/', indexv + 1 );
|
||||
break;
|
||||
default:
|
||||
value.push( indexh + 1 );
|
||||
if( isVerticalSlide() ) value.push( '.', indexv + 1 );
|
||||
}
|
||||
}
|
||||
|
||||
dom.slideNumber.innerHTML = formatSlideNumber( value[0], value[1], value[2] );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Applies HTML formatting to a slide number before it's
|
||||
* written to the DOM.
|
||||
*
|
||||
* @param {number} a Current slide
|
||||
* @param {string} delimiter Character to separate slide numbers
|
||||
* @param {(number|*)} b Total slides
|
||||
* @return {string} HTML string fragment
|
||||
*/
|
||||
function formatSlideNumber( a, delimiter, b ) {
|
||||
|
||||
var url = '#' + locationHash();
|
||||
if( typeof b === 'number' && !isNaN( b ) ) {
|
||||
return '<a href="' + url + '">' +
|
||||
'<span class="slide-number-a">'+ a +'</span>' +
|
||||
'<span class="slide-number-delimiter">'+ delimiter +'</span>' +
|
||||
'<span class="slide-number-b">'+ b +'</span>' +
|
||||
'</a>';
|
||||
}
|
||||
else {
|
||||
return '<a href="' + url + '">' +
|
||||
'<span class="slide-number-a">'+ a +'</span>' +
|
||||
'</a>';
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates the state of all control/navigation arrows.
|
||||
*/
|
||||
function updateControls() {
|
||||
|
||||
var routes = availableRoutes();
|
||||
var fragments = availableFragments();
|
||||
|
||||
// Remove the 'enabled' class from all directions
|
||||
dom.controlsLeft.concat( dom.controlsRight )
|
||||
.concat( dom.controlsUp )
|
||||
.concat( dom.controlsDown )
|
||||
.concat( dom.controlsPrev )
|
||||
.concat( dom.controlsNext ).forEach( function( node ) {
|
||||
node.classList.remove( 'enabled' );
|
||||
node.classList.remove( 'fragmented' );
|
||||
|
||||
// Set 'disabled' attribute on all directions
|
||||
node.setAttribute( 'disabled', 'disabled' );
|
||||
} );
|
||||
|
||||
// Add the 'enabled' class to the available routes; remove 'disabled' attribute to enable buttons
|
||||
if( routes.left ) dom.controlsLeft.forEach( function( el ) { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
|
||||
if( routes.right ) dom.controlsRight.forEach( function( el ) { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
|
||||
if( routes.up ) dom.controlsUp.forEach( function( el ) { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
|
||||
if( routes.down ) dom.controlsDown.forEach( function( el ) { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
|
||||
|
||||
// Prev/next buttons
|
||||
if( routes.left || routes.up ) dom.controlsPrev.forEach( function( el ) { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
|
||||
if( routes.right || routes.down ) dom.controlsNext.forEach( function( el ) { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
|
||||
|
||||
// Highlight fragment directions
|
||||
if( currentSlide ) {
|
||||
|
||||
// Always apply fragment decorator to prev/next buttons
|
||||
if( fragments.prev ) dom.controlsPrev.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
|
||||
if( fragments.next ) dom.controlsNext.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
|
||||
|
||||
// Apply fragment decorators to directional buttons based on
|
||||
// what slide axis they are in
|
||||
if( isVerticalSlide( currentSlide ) ) {
|
||||
if( fragments.prev ) dom.controlsUp.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
|
||||
if( fragments.next ) dom.controlsDown.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
|
||||
}
|
||||
else {
|
||||
if( fragments.prev ) dom.controlsLeft.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
|
||||
if( fragments.next ) dom.controlsRight.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if( config.controlsTutorial ) {
|
||||
|
||||
// Highlight control arrows with an animation to ensure
|
||||
// that the viewer knows how to navigate
|
||||
if( !hasNavigatedDown && routes.down ) {
|
||||
dom.controlsDownArrow.classList.add( 'highlight' );
|
||||
}
|
||||
else {
|
||||
dom.controlsDownArrow.classList.remove( 'highlight' );
|
||||
|
||||
if( !hasNavigatedRight && routes.right && indexv === 0 ) {
|
||||
dom.controlsRightArrow.classList.add( 'highlight' );
|
||||
}
|
||||
else {
|
||||
dom.controlsRightArrow.classList.remove( 'highlight' );
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates the background elements to reflect the current
|
||||
* slide.
|
||||
*
|
||||
* @param {boolean} includeAll If true, the backgrounds of
|
||||
* all vertical slides (not just the present) will be updated.
|
||||
*/
|
||||
function updateBackground( includeAll ) {
|
||||
|
||||
var currentBackground = null;
|
||||
|
||||
// Reverse past/future classes when in RTL mode
|
||||
var horizontalPast = config.rtl ? 'future' : 'past',
|
||||
horizontalFuture = config.rtl ? 'past' : 'future';
|
||||
|
||||
// Update the classes of all backgrounds to match the
|
||||
// states of their slides (past/present/future)
|
||||
toArray( dom.background.childNodes ).forEach( function( backgroundh, h ) {
|
||||
|
||||
backgroundh.classList.remove( 'past' );
|
||||
backgroundh.classList.remove( 'present' );
|
||||
backgroundh.classList.remove( 'future' );
|
||||
|
||||
if( h < indexh ) {
|
||||
backgroundh.classList.add( horizontalPast );
|
||||
}
|
||||
else if ( h > indexh ) {
|
||||
backgroundh.classList.add( horizontalFuture );
|
||||
}
|
||||
else {
|
||||
backgroundh.classList.add( 'present' );
|
||||
|
||||
// Store a reference to the current background element
|
||||
currentBackground = backgroundh;
|
||||
}
|
||||
|
||||
if( includeAll || h === indexh ) {
|
||||
toArray( backgroundh.querySelectorAll( '.slide-background' ) ).forEach( function( backgroundv, v ) {
|
||||
|
||||
backgroundv.classList.remove( 'past' );
|
||||
backgroundv.classList.remove( 'present' );
|
||||
backgroundv.classList.remove( 'future' );
|
||||
|
||||
if( v < indexv ) {
|
||||
backgroundv.classList.add( 'past' );
|
||||
}
|
||||
else if ( v > indexv ) {
|
||||
backgroundv.classList.add( 'future' );
|
||||
}
|
||||
else {
|
||||
backgroundv.classList.add( 'present' );
|
||||
|
||||
// Only if this is the present horizontal and vertical slide
|
||||
if( h === indexh ) currentBackground = backgroundv;
|
||||
}
|
||||
|
||||
} );
|
||||
}
|
||||
|
||||
} );
|
||||
|
||||
// Stop content inside of previous backgrounds
|
||||
if( previousBackground ) {
|
||||
|
||||
stopEmbeddedContent( previousBackground );
|
||||
|
||||
}
|
||||
|
||||
// Start content in the current background
|
||||
if( currentBackground ) {
|
||||
|
||||
startEmbeddedContent( currentBackground );
|
||||
|
||||
var currentBackgroundContent = currentBackground.querySelector( '.slide-background-content' );
|
||||
if( currentBackgroundContent ) {
|
||||
|
||||
var backgroundImageURL = currentBackgroundContent.style.backgroundImage || '';
|
||||
|
||||
// Restart GIFs (doesn't work in Firefox)
|
||||
if( /\.gif/i.test( backgroundImageURL ) ) {
|
||||
currentBackgroundContent.style.backgroundImage = '';
|
||||
window.getComputedStyle( currentBackgroundContent ).opacity;
|
||||
currentBackgroundContent.style.backgroundImage = backgroundImageURL;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Don't transition between identical backgrounds. This
|
||||
// prevents unwanted flicker.
|
||||
var previousBackgroundHash = previousBackground ? previousBackground.getAttribute( 'data-background-hash' ) : null;
|
||||
var currentBackgroundHash = currentBackground.getAttribute( 'data-background-hash' );
|
||||
if( currentBackgroundHash && currentBackgroundHash === previousBackgroundHash && currentBackground !== previousBackground ) {
|
||||
dom.background.classList.add( 'no-transition' );
|
||||
}
|
||||
|
||||
previousBackground = currentBackground;
|
||||
|
||||
}
|
||||
|
||||
// If there's a background brightness flag for this slide,
|
||||
// bubble it to the .reveal container
|
||||
if( currentSlide ) {
|
||||
[ 'has-light-background', 'has-dark-background' ].forEach( function( classToBubble ) {
|
||||
if( currentSlide.classList.contains( classToBubble ) ) {
|
||||
dom.wrapper.classList.add( classToBubble );
|
||||
}
|
||||
else {
|
||||
dom.wrapper.classList.remove( classToBubble );
|
||||
}
|
||||
} );
|
||||
}
|
||||
|
||||
// Allow the first background to apply without transition
|
||||
setTimeout( function() {
|
||||
dom.background.classList.remove( 'no-transition' );
|
||||
}, 1 );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates the position of the parallax background based
|
||||
* on the current slide index.
|
||||
*/
|
||||
function updateParallax() {
|
||||
|
||||
if( config.parallaxBackgroundImage ) {
|
||||
|
||||
var horizontalSlides = dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ),
|
||||
verticalSlides = dom.wrapper.querySelectorAll( VERTICAL_SLIDES_SELECTOR );
|
||||
|
||||
var backgroundSize = dom.background.style.backgroundSize.split( ' ' ),
|
||||
backgroundWidth, backgroundHeight;
|
||||
|
||||
if( backgroundSize.length === 1 ) {
|
||||
backgroundWidth = backgroundHeight = parseInt( backgroundSize[0], 10 );
|
||||
}
|
||||
else {
|
||||
backgroundWidth = parseInt( backgroundSize[0], 10 );
|
||||
backgroundHeight = parseInt( backgroundSize[1], 10 );
|
||||
}
|
||||
|
||||
var slideWidth = dom.background.offsetWidth,
|
||||
horizontalSlideCount = horizontalSlides.length,
|
||||
horizontalOffsetMultiplier,
|
||||
horizontalOffset;
|
||||
|
||||
if( typeof config.parallaxBackgroundHorizontal === 'number' ) {
|
||||
horizontalOffsetMultiplier = config.parallaxBackgroundHorizontal;
|
||||
}
|
||||
else {
|
||||
horizontalOffsetMultiplier = horizontalSlideCount > 1 ? ( backgroundWidth - slideWidth ) / ( horizontalSlideCount-1 ) : 0;
|
||||
}
|
||||
|
||||
horizontalOffset = horizontalOffsetMultiplier * indexh * -1;
|
||||
|
||||
var slideHeight = dom.background.offsetHeight,
|
||||
verticalSlideCount = verticalSlides.length,
|
||||
verticalOffsetMultiplier,
|
||||
verticalOffset;
|
||||
|
||||
if( typeof config.parallaxBackgroundVertical === 'number' ) {
|
||||
verticalOffsetMultiplier = config.parallaxBackgroundVertical;
|
||||
}
|
||||
else {
|
||||
verticalOffsetMultiplier = ( backgroundHeight - slideHeight ) / ( verticalSlideCount-1 );
|
||||
}
|
||||
|
||||
verticalOffset = verticalSlideCount > 0 ? verticalOffsetMultiplier * indexv : 0;
|
||||
|
||||
dom.background.style.backgroundPosition = horizontalOffset + 'px ' + -verticalOffset + 'px';
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Should the given element be preloaded?
|
||||
* Decides based on local element attributes and global config.
|
||||
*
|
||||
* @param {HTMLElement} element
|
||||
*/
|
||||
function shouldPreload( element ) {
|
||||
|
||||
// Prefer an explicit global preload setting
|
||||
var preload = config.preloadIframes;
|
||||
|
||||
// If no global setting is available, fall back on the element's
|
||||
// own preload setting
|
||||
if( typeof preload !== 'boolean' ) {
|
||||
preload = element.hasAttribute( 'data-preload' );
|
||||
}
|
||||
|
||||
return preload;
|
||||
}
|
||||
|
||||
/**
|
||||
* Called when the given slide is within the configured view
|
||||
* distance. Shows the slide element and loads any content
|
||||
* that is set to load lazily (data-src).
|
||||
*
|
||||
* @param {HTMLElement} slide Slide to show
|
||||
*/
|
||||
function loadSlide( slide, options ) {
|
||||
|
||||
options = options || {};
|
||||
|
||||
// Show the slide element
|
||||
slide.style.display = config.display;
|
||||
|
||||
// Media elements with data-src attributes
|
||||
toArray( slide.querySelectorAll( 'img[data-src], video[data-src], audio[data-src], iframe[data-src]' ) ).forEach( function( element ) {
|
||||
if( element.tagName !== 'IFRAME' || shouldPreload( element ) ) {
|
||||
element.setAttribute( 'src', element.getAttribute( 'data-src' ) );
|
||||
element.setAttribute( 'data-lazy-loaded', '' );
|
||||
element.removeAttribute( 'data-src' );
|
||||
}
|
||||
} );
|
||||
|
||||
// Media elements with <source> children
|
||||
toArray( slide.querySelectorAll( 'video, audio' ) ).forEach( function( media ) {
|
||||
var sources = 0;
|
||||
|
||||
toArray( media.querySelectorAll( 'source[data-src]' ) ).forEach( function( source ) {
|
||||
source.setAttribute( 'src', source.getAttribute( 'data-src' ) );
|
||||
source.removeAttribute( 'data-src' );
|
||||
source.setAttribute( 'data-lazy-loaded', '' );
|
||||
sources += 1;
|
||||
} );
|
||||
|
||||
// If we rewrote sources for this video/audio element, we need
|
||||
// to manually tell it to load from its new origin
|
||||
if( sources > 0 ) {
|
||||
media.load();
|
||||
}
|
||||
} );
|
||||
|
||||
|
||||
// Show the corresponding background element
|
||||
var background = slide.slideBackgroundElement;
|
||||
if( background ) {
|
||||
background.style.display = 'block';
|
||||
|
||||
var backgroundContent = slide.slideBackgroundContentElement;
|
||||
|
||||
// If the background contains media, load it
|
||||
if( background.hasAttribute( 'data-loaded' ) === false ) {
|
||||
background.setAttribute( 'data-loaded', 'true' );
|
||||
|
||||
var backgroundImage = slide.getAttribute( 'data-background-image' ),
|
||||
backgroundVideo = slide.getAttribute( 'data-background-video' ),
|
||||
backgroundVideoLoop = slide.hasAttribute( 'data-background-video-loop' ),
|
||||
backgroundVideoMuted = slide.hasAttribute( 'data-background-video-muted' ),
|
||||
backgroundIframe = slide.getAttribute( 'data-background-iframe' );
|
||||
|
||||
// Images
|
||||
if( backgroundImage ) {
|
||||
backgroundContent.style.backgroundImage = 'url('+ encodeURI( backgroundImage ) +')';
|
||||
}
|
||||
// Videos
|
||||
else if ( backgroundVideo && !isSpeakerNotes() ) {
|
||||
var video = document.createElement( 'video' );
|
||||
|
||||
if( backgroundVideoLoop ) {
|
||||
video.setAttribute( 'loop', '' );
|
||||
}
|
||||
|
||||
if( backgroundVideoMuted ) {
|
||||
video.muted = true;
|
||||
}
|
||||
|
||||
// Inline video playback works (at least in Mobile Safari) as
|
||||
// long as the video is muted and the `playsinline` attribute is
|
||||
// present
|
||||
if( isMobileDevice ) {
|
||||
video.muted = true;
|
||||
video.autoplay = true;
|
||||
video.setAttribute( 'playsinline', '' );
|
||||
}
|
||||
|
||||
// Support comma separated lists of video sources
|
||||
backgroundVideo.split( ',' ).forEach( function( source ) {
|
||||
video.innerHTML += '<source src="'+ source +'">';
|
||||
} );
|
||||
|
||||
backgroundContent.appendChild( video );
|
||||
}
|
||||
// Iframes
|
||||
else if( backgroundIframe && options.excludeIframes !== true ) {
|
||||
var iframe = document.createElement( 'iframe' );
|
||||
iframe.setAttribute( 'allowfullscreen', '' );
|
||||
iframe.setAttribute( 'mozallowfullscreen', '' );
|
||||
iframe.setAttribute( 'webkitallowfullscreen', '' );
|
||||
|
||||
// Only load autoplaying content when the slide is shown to
|
||||
// avoid having it play in the background
|
||||
if( /autoplay=(1|true|yes)/gi.test( backgroundIframe ) ) {
|
||||
iframe.setAttribute( 'data-src', backgroundIframe );
|
||||
}
|
||||
else {
|
||||
iframe.setAttribute( 'src', backgroundIframe );
|
||||
}
|
||||
|
||||
iframe.style.width = '100%';
|
||||
iframe.style.height = '100%';
|
||||
iframe.style.maxHeight = '100%';
|
||||
iframe.style.maxWidth = '100%';
|
||||
|
||||
backgroundContent.appendChild( iframe );
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Unloads and hides the given slide. This is called when the
|
||||
* slide is moved outside of the configured view distance.
|
||||
*
|
||||
* @param {HTMLElement} slide
|
||||
*/
|
||||
function unloadSlide( slide ) {
|
||||
|
||||
// Hide the slide element
|
||||
slide.style.display = 'none';
|
||||
|
||||
// Hide the corresponding background element
|
||||
var background = getSlideBackground( slide );
|
||||
if( background ) {
|
||||
background.style.display = 'none';
|
||||
}
|
||||
|
||||
// Reset lazy-loaded media elements with src attributes
|
||||
toArray( slide.querySelectorAll( 'video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]' ) ).forEach( function( element ) {
|
||||
element.setAttribute( 'data-src', element.getAttribute( 'src' ) );
|
||||
element.removeAttribute( 'src' );
|
||||
} );
|
||||
|
||||
// Reset lazy-loaded media elements with <source> children
|
||||
toArray( slide.querySelectorAll( 'video[data-lazy-loaded] source[src], audio source[src]' ) ).forEach( function( source ) {
|
||||
source.setAttribute( 'data-src', source.getAttribute( 'src' ) );
|
||||
source.removeAttribute( 'src' );
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Determine what available routes there are for navigation.
|
||||
*
|
||||
* @return {{left: boolean, right: boolean, up: boolean, down: boolean}}
|
||||
*/
|
||||
function availableRoutes() {
|
||||
|
||||
var horizontalSlides = dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ),
|
||||
verticalSlides = dom.wrapper.querySelectorAll( VERTICAL_SLIDES_SELECTOR );
|
||||
|
||||
var routes = {
|
||||
left: indexh > 0,
|
||||
right: indexh < horizontalSlides.length - 1,
|
||||
up: indexv > 0,
|
||||
down: indexv < verticalSlides.length - 1
|
||||
};
|
||||
|
||||
// Looped presentations can always be navigated as long as
|
||||
// there are slides available
|
||||
if( config.loop ) {
|
||||
if( horizontalSlides.length > 1 ) {
|
||||
routes.left = true;
|
||||
routes.right = true;
|
||||
}
|
||||
|
||||
if( verticalSlides.length > 1 ) {
|
||||
routes.up = true;
|
||||
routes.down = true;
|
||||
}
|
||||
}
|
||||
|
||||
// Reverse horizontal controls for rtl
|
||||
if( config.rtl ) {
|
||||
var left = routes.left;
|
||||
routes.left = routes.right;
|
||||
routes.right = left;
|
||||
}
|
||||
|
||||
return routes;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns an object describing the available fragment
|
||||
* directions.
|
||||
*
|
||||
* @return {{prev: boolean, next: boolean}}
|
||||
*/
|
||||
function availableFragments() {
|
||||
|
||||
if( currentSlide && config.fragments ) {
|
||||
var fragments = currentSlide.querySelectorAll( '.fragment' );
|
||||
var hiddenFragments = currentSlide.querySelectorAll( '.fragment:not(.visible)' );
|
||||
|
||||
return {
|
||||
prev: fragments.length - hiddenFragments.length > 0,
|
||||
next: !!hiddenFragments.length
|
||||
};
|
||||
}
|
||||
else {
|
||||
return { prev: false, next: false };
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Enforces origin-specific format rules for embedded media.
|
||||
*/
|
||||
function formatEmbeddedContent() {
|
||||
|
||||
var _appendParamToIframeSource = function( sourceAttribute, sourceURL, param ) {
|
||||
toArray( dom.slides.querySelectorAll( 'iframe['+ sourceAttribute +'*="'+ sourceURL +'"]' ) ).forEach( function( el ) {
|
||||
var src = el.getAttribute( sourceAttribute );
|
||||
if( src && src.indexOf( param ) === -1 ) {
|
||||
el.setAttribute( sourceAttribute, src + ( !/\?/.test( src ) ? '?' : '&' ) + param );
|
||||
}
|
||||
});
|
||||
};
|
||||
|
||||
// YouTube frames must include "?enablejsapi=1"
|
||||
_appendParamToIframeSource( 'src', 'youtube.com/embed/', 'enablejsapi=1' );
|
||||
_appendParamToIframeSource( 'data-src', 'youtube.com/embed/', 'enablejsapi=1' );
|
||||
|
||||
// Vimeo frames must include "?api=1"
|
||||
_appendParamToIframeSource( 'src', 'player.vimeo.com/', 'api=1' );
|
||||
_appendParamToIframeSource( 'data-src', 'player.vimeo.com/', 'api=1' );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Start playback of any embedded content inside of
|
||||
* the given element.
|
||||
*
|
||||
* @param {HTMLElement} element
|
||||
*/
|
||||
function startEmbeddedContent( element ) {
|
||||
|
||||
if( element && !isSpeakerNotes() ) {
|
||||
|
||||
// Restart GIFs
|
||||
toArray( element.querySelectorAll( 'img[src$=".gif"]' ) ).forEach( function( el ) {
|
||||
// Setting the same unchanged source like this was confirmed
|
||||
// to work in Chrome, FF & Safari
|
||||
el.setAttribute( 'src', el.getAttribute( 'src' ) );
|
||||
} );
|
||||
|
||||
// HTML5 media elements
|
||||
toArray( element.querySelectorAll( 'video, audio' ) ).forEach( function( el ) {
|
||||
if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Prefer an explicit global autoplay setting
|
||||
var autoplay = config.autoPlayMedia;
|
||||
|
||||
// If no global setting is available, fall back on the element's
|
||||
// own autoplay setting
|
||||
if( typeof autoplay !== 'boolean' ) {
|
||||
autoplay = el.hasAttribute( 'data-autoplay' ) || !!closestParent( el, '.slide-background' );
|
||||
}
|
||||
|
||||
if( autoplay && typeof el.play === 'function' ) {
|
||||
|
||||
// If the media is ready, start playback
|
||||
if( el.readyState > 1 ) {
|
||||
startEmbeddedMedia( { target: el } );
|
||||
}
|
||||
// Mobile devices never fire a loaded event so instead
|
||||
// of waiting, we initiate playback
|
||||
else if( isMobileDevice ) {
|
||||
var promise = el.play();
|
||||
|
||||
// If autoplay does not work, ensure that the controls are visible so
|
||||
// that the viewer can start the media on their own
|
||||
if( promise && typeof promise.catch === 'function' && el.controls === false ) {
|
||||
promise.catch( function() {
|
||||
el.controls = true;
|
||||
|
||||
// Once the video does start playing, hide the controls again
|
||||
el.addEventListener( 'play', function() {
|
||||
el.controls = false;
|
||||
} );
|
||||
} );
|
||||
}
|
||||
}
|
||||
// If the media isn't loaded, wait before playing
|
||||
else {
|
||||
el.removeEventListener( 'loadeddata', startEmbeddedMedia ); // remove first to avoid dupes
|
||||
el.addEventListener( 'loadeddata', startEmbeddedMedia );
|
||||
}
|
||||
|
||||
}
|
||||
} );
|
||||
|
||||
// Normal iframes
|
||||
toArray( element.querySelectorAll( 'iframe[src]' ) ).forEach( function( el ) {
|
||||
if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
|
||||
return;
|
||||
}
|
||||
|
||||
startEmbeddedIframe( { target: el } );
|
||||
} );
|
||||
|
||||
// Lazy loading iframes
|
||||
toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( function( el ) {
|
||||
if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
|
||||
return;
|
||||
}
|
||||
|
||||
if( el.getAttribute( 'src' ) !== el.getAttribute( 'data-src' ) ) {
|
||||
el.removeEventListener( 'load', startEmbeddedIframe ); // remove first to avoid dupes
|
||||
el.addEventListener( 'load', startEmbeddedIframe );
|
||||
el.setAttribute( 'src', el.getAttribute( 'data-src' ) );
|
||||
}
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Starts playing an embedded video/audio element after
|
||||
* it has finished loading.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function startEmbeddedMedia( event ) {
|
||||
|
||||
var isAttachedToDOM = !!closestParent( event.target, 'html' ),
|
||||
isVisible = !!closestParent( event.target, '.present' );
|
||||
|
||||
if( isAttachedToDOM && isVisible ) {
|
||||
event.target.currentTime = 0;
|
||||
event.target.play();
|
||||
}
|
||||
|
||||
event.target.removeEventListener( 'loadeddata', startEmbeddedMedia );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* "Starts" the content of an embedded iframe using the
|
||||
* postMessage API.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function startEmbeddedIframe( event ) {
|
||||
|
||||
var iframe = event.target;
|
||||
|
||||
if( iframe && iframe.contentWindow ) {
|
||||
|
||||
var isAttachedToDOM = !!closestParent( event.target, 'html' ),
|
||||
isVisible = !!closestParent( event.target, '.present' );
|
||||
|
||||
if( isAttachedToDOM && isVisible ) {
|
||||
|
||||
// Prefer an explicit global autoplay setting
|
||||
var autoplay = config.autoPlayMedia;
|
||||
|
||||
// If no global setting is available, fall back on the element's
|
||||
// own autoplay setting
|
||||
if( typeof autoplay !== 'boolean' ) {
|
||||
autoplay = iframe.hasAttribute( 'data-autoplay' ) || !!closestParent( iframe, '.slide-background' );
|
||||
}
|
||||
|
||||
// YouTube postMessage API
|
||||
if( /youtube\.com\/embed\//.test( iframe.getAttribute( 'src' ) ) && autoplay ) {
|
||||
iframe.contentWindow.postMessage( '{"event":"command","func":"playVideo","args":""}', '*' );
|
||||
}
|
||||
// Vimeo postMessage API
|
||||
else if( /player\.vimeo\.com\//.test( iframe.getAttribute( 'src' ) ) && autoplay ) {
|
||||
iframe.contentWindow.postMessage( '{"method":"play"}', '*' );
|
||||
}
|
||||
// Generic postMessage API
|
||||
else {
|
||||
iframe.contentWindow.postMessage( 'slide:start', '*' );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Stop playback of any embedded content inside of
|
||||
* the targeted slide.
|
||||
*
|
||||
* @param {HTMLElement} element
|
||||
*/
|
||||
function stopEmbeddedContent( element, options ) {
|
||||
|
||||
options = extend( {
|
||||
// Defaults
|
||||
unloadIframes: true
|
||||
}, options || {} );
|
||||
|
||||
if( element && element.parentNode ) {
|
||||
// HTML5 media elements
|
||||
toArray( element.querySelectorAll( 'video, audio' ) ).forEach( function( el ) {
|
||||
if( !el.hasAttribute( 'data-ignore' ) && typeof el.pause === 'function' ) {
|
||||
el.setAttribute('data-paused-by-reveal', '');
|
||||
el.pause();
|
||||
}
|
||||
} );
|
||||
|
||||
// Generic postMessage API for non-lazy loaded iframes
|
||||
toArray( element.querySelectorAll( 'iframe' ) ).forEach( function( el ) {
|
||||
if( el.contentWindow ) el.contentWindow.postMessage( 'slide:stop', '*' );
|
||||
el.removeEventListener( 'load', startEmbeddedIframe );
|
||||
});
|
||||
|
||||
// YouTube postMessage API
|
||||
toArray( element.querySelectorAll( 'iframe[src*="youtube.com/embed/"]' ) ).forEach( function( el ) {
|
||||
if( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {
|
||||
el.contentWindow.postMessage( '{"event":"command","func":"pauseVideo","args":""}', '*' );
|
||||
}
|
||||
});
|
||||
|
||||
// Vimeo postMessage API
|
||||
toArray( element.querySelectorAll( 'iframe[src*="player.vimeo.com/"]' ) ).forEach( function( el ) {
|
||||
if( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {
|
||||
el.contentWindow.postMessage( '{"method":"pause"}', '*' );
|
||||
}
|
||||
});
|
||||
|
||||
if( options.unloadIframes === true ) {
|
||||
// Unload lazy-loaded iframes
|
||||
toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( function( el ) {
|
||||
// Only removing the src doesn't actually unload the frame
|
||||
// in all browsers (Firefox) so we set it to blank first
|
||||
el.setAttribute( 'src', 'about:blank' );
|
||||
el.removeAttribute( 'src' );
|
||||
} );
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the number of past slides. This can be used as a global
|
||||
* flattened index for slides.
|
||||
*
|
||||
* @return {number} Past slide count
|
||||
*/
|
||||
function getSlidePastCount() {
|
||||
|
||||
var horizontalSlides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
|
||||
|
||||
// The number of past slides
|
||||
var pastCount = 0;
|
||||
|
||||
// Step through all slides and count the past ones
|
||||
mainLoop: for( var i = 0; i < horizontalSlides.length; i++ ) {
|
||||
|
||||
var horizontalSlide = horizontalSlides[i];
|
||||
var verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) );
|
||||
|
||||
for( var j = 0; j < verticalSlides.length; j++ ) {
|
||||
|
||||
// Stop as soon as we arrive at the present
|
||||
if( verticalSlides[j].classList.contains( 'present' ) ) {
|
||||
break mainLoop;
|
||||
}
|
||||
|
||||
pastCount++;
|
||||
|
||||
}
|
||||
|
||||
// Stop as soon as we arrive at the present
|
||||
if( horizontalSlide.classList.contains( 'present' ) ) {
|
||||
break;
|
||||
}
|
||||
|
||||
// Don't count the wrapping section for vertical slides
|
||||
if( horizontalSlide.classList.contains( 'stack' ) === false ) {
|
||||
pastCount++;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return pastCount;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a value ranging from 0-1 that represents
|
||||
* how far into the presentation we have navigated.
|
||||
*
|
||||
* @return {number}
|
||||
*/
|
||||
function getProgress() {
|
||||
|
||||
// The number of past and total slides
|
||||
var totalCount = getTotalSlides();
|
||||
var pastCount = getSlidePastCount();
|
||||
|
||||
if( currentSlide ) {
|
||||
|
||||
var allFragments = currentSlide.querySelectorAll( '.fragment' );
|
||||
|
||||
// If there are fragments in the current slide those should be
|
||||
// accounted for in the progress.
|
||||
if( allFragments.length > 0 ) {
|
||||
var visibleFragments = currentSlide.querySelectorAll( '.fragment.visible' );
|
||||
|
||||
// This value represents how big a portion of the slide progress
|
||||
// that is made up by its fragments (0-1)
|
||||
var fragmentWeight = 0.9;
|
||||
|
||||
// Add fragment progress to the past slide count
|
||||
pastCount += ( visibleFragments.length / allFragments.length ) * fragmentWeight;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return Math.min( pastCount / ( totalCount - 1 ), 1 );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if this presentation is running inside of the
|
||||
* speaker notes window.
|
||||
*
|
||||
* @return {boolean}
|
||||
*/
|
||||
function isSpeakerNotes() {
|
||||
|
||||
return !!window.location.search.match( /receiver/gi );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads the current URL (hash) and navigates accordingly.
|
||||
*/
|
||||
function readURL() {
|
||||
|
||||
var hash = window.location.hash;
|
||||
|
||||
// Attempt to parse the hash as either an index or name
|
||||
var bits = hash.slice( 2 ).split( '/' ),
|
||||
name = hash.replace( /#|\//gi, '' );
|
||||
|
||||
// If the first bit is not fully numeric and there is a name we
|
||||
// can assume that this is a named link
|
||||
if( !/^[0-9]*$/.test( bits[0] ) && name.length ) {
|
||||
var element;
|
||||
|
||||
// Ensure the named link is a valid HTML ID attribute
|
||||
try {
|
||||
element = document.getElementById( decodeURIComponent( name ) );
|
||||
}
|
||||
catch ( error ) { }
|
||||
|
||||
// Ensure that we're not already on a slide with the same name
|
||||
var isSameNameAsCurrentSlide = currentSlide ? currentSlide.getAttribute( 'id' ) === name : false;
|
||||
|
||||
if( element ) {
|
||||
// If the slide exists and is not the current slide...
|
||||
if ( !isSameNameAsCurrentSlide ) {
|
||||
// ...find the position of the named slide and navigate to it
|
||||
var indices = Reveal.getIndices(element);
|
||||
slide(indices.h, indices.v);
|
||||
}
|
||||
}
|
||||
// If the slide doesn't exist, navigate to the current slide
|
||||
else {
|
||||
slide( indexh || 0, indexv || 0 );
|
||||
}
|
||||
}
|
||||
else {
|
||||
var hashIndexBase = config.hashOneBasedIndex ? 1 : 0;
|
||||
|
||||
// Read the index components of the hash
|
||||
var h = ( parseInt( bits[0], 10 ) - hashIndexBase ) || 0,
|
||||
v = ( parseInt( bits[1], 10 ) - hashIndexBase ) || 0,
|
||||
f;
|
||||
|
||||
if( config.fragmentInURL ) {
|
||||
f = parseInt( bits[2], 10 );
|
||||
if( isNaN( f ) ) {
|
||||
f = undefined;
|
||||
}
|
||||
}
|
||||
|
||||
if( h !== indexh || v !== indexv || f !== undefined ) {
|
||||
slide( h, v, f );
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates the page URL (hash) to reflect the current
|
||||
* state.
|
||||
*
|
||||
* @param {number} delay The time in ms to wait before
|
||||
* writing the hash
|
||||
*/
|
||||
function writeURL( delay ) {
|
||||
|
||||
// Make sure there's never more than one timeout running
|
||||
clearTimeout( writeURLTimeout );
|
||||
|
||||
// If a delay is specified, timeout this call
|
||||
if( typeof delay === 'number' ) {
|
||||
writeURLTimeout = setTimeout( writeURL, delay );
|
||||
}
|
||||
else if( currentSlide ) {
|
||||
// If we're configured to push to history OR the history
|
||||
// API is not avaialble.
|
||||
if( config.history || !window.history ) {
|
||||
window.location.hash = locationHash();
|
||||
}
|
||||
// If we're configured to reflect the current slide in the
|
||||
// URL without pushing to history.
|
||||
else if( config.hash ) {
|
||||
window.history.replaceState( null, null, '#' + locationHash() );
|
||||
}
|
||||
// If history and hash are both disabled, a hash may still
|
||||
// be added to the URL by clicking on a href with a hash
|
||||
// target. Counter this by always removing the hash.
|
||||
else {
|
||||
window.history.replaceState( null, null, window.location.pathname + window.location.search );
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
/**
|
||||
* Retrieves the h/v location and fragment of the current,
|
||||
* or specified, slide.
|
||||
*
|
||||
* @param {HTMLElement} [slide] If specified, the returned
|
||||
* index will be for this slide rather than the currently
|
||||
* active one
|
||||
*
|
||||
* @return {{h: number, v: number, f: number}}
|
||||
*/
|
||||
function getIndices( slide ) {
|
||||
|
||||
// By default, return the current indices
|
||||
var h = indexh,
|
||||
v = indexv,
|
||||
f;
|
||||
|
||||
// If a slide is specified, return the indices of that slide
|
||||
if( slide ) {
|
||||
var isVertical = isVerticalSlide( slide );
|
||||
var slideh = isVertical ? slide.parentNode : slide;
|
||||
|
||||
// Select all horizontal slides
|
||||
var horizontalSlides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
|
||||
|
||||
// Now that we know which the horizontal slide is, get its index
|
||||
h = Math.max( horizontalSlides.indexOf( slideh ), 0 );
|
||||
|
||||
// Assume we're not vertical
|
||||
v = undefined;
|
||||
|
||||
// If this is a vertical slide, grab the vertical index
|
||||
if( isVertical ) {
|
||||
v = Math.max( toArray( slide.parentNode.querySelectorAll( 'section' ) ).indexOf( slide ), 0 );
|
||||
}
|
||||
}
|
||||
|
||||
if( !slide && currentSlide ) {
|
||||
var hasFragments = currentSlide.querySelectorAll( '.fragment' ).length > 0;
|
||||
if( hasFragments ) {
|
||||
var currentFragment = currentSlide.querySelector( '.current-fragment' );
|
||||
if( currentFragment && currentFragment.hasAttribute( 'data-fragment-index' ) ) {
|
||||
f = parseInt( currentFragment.getAttribute( 'data-fragment-index' ), 10 );
|
||||
}
|
||||
else {
|
||||
f = currentSlide.querySelectorAll( '.fragment.visible' ).length - 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return { h: h, v: v, f: f };
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieves all slides in this presentation.
|
||||
*/
|
||||
function getSlides() {
|
||||
|
||||
return toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR + ':not(.stack)' ));
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns an array of objects where each object represents the
|
||||
* attributes on its respective slide.
|
||||
*/
|
||||
function getSlidesAttributes() {
|
||||
|
||||
return getSlides().map( function( slide ) {
|
||||
|
||||
var attributes = {};
|
||||
for( var i = 0; i < slide.attributes.length; i++ ) {
|
||||
var attribute = slide.attributes[ i ];
|
||||
attributes[ attribute.name ] = attribute.value;
|
||||
}
|
||||
return attributes;
|
||||
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieves the total number of slides in this presentation.
|
||||
*
|
||||
* @return {number}
|
||||
*/
|
||||
function getTotalSlides() {
|
||||
|
||||
return getSlides().length;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the slide element matching the specified index.
|
||||
*
|
||||
* @return {HTMLElement}
|
||||
*/
|
||||
function getSlide( x, y ) {
|
||||
|
||||
var horizontalSlide = dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR )[ x ];
|
||||
var verticalSlides = horizontalSlide && horizontalSlide.querySelectorAll( 'section' );
|
||||
|
||||
if( verticalSlides && verticalSlides.length && typeof y === 'number' ) {
|
||||
return verticalSlides ? verticalSlides[ y ] : undefined;
|
||||
}
|
||||
|
||||
return horizontalSlide;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the background element for the given slide.
|
||||
* All slides, even the ones with no background properties
|
||||
* defined, have a background element so as long as the
|
||||
* index is valid an element will be returned.
|
||||
*
|
||||
* @param {mixed} x Horizontal background index OR a slide
|
||||
* HTML element
|
||||
* @param {number} y Vertical background index
|
||||
* @return {(HTMLElement[]|*)}
|
||||
*/
|
||||
function getSlideBackground( x, y ) {
|
||||
|
||||
var slide = typeof x === 'number' ? getSlide( x, y ) : x;
|
||||
if( slide ) {
|
||||
return slide.slideBackgroundElement;
|
||||
}
|
||||
|
||||
return undefined;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieves the speaker notes from a slide. Notes can be
|
||||
* defined in two ways:
|
||||
* 1. As a data-notes attribute on the slide <section>
|
||||
* 2. As an <aside class="notes"> inside of the slide
|
||||
*
|
||||
* @param {HTMLElement} [slide=currentSlide]
|
||||
* @return {(string|null)}
|
||||
*/
|
||||
function getSlideNotes( slide ) {
|
||||
|
||||
// Default to the current slide
|
||||
slide = slide || currentSlide;
|
||||
|
||||
// Notes can be specified via the data-notes attribute...
|
||||
if( slide.hasAttribute( 'data-notes' ) ) {
|
||||
return slide.getAttribute( 'data-notes' );
|
||||
}
|
||||
|
||||
// ... or using an <aside class="notes"> element
|
||||
var notesElement = slide.querySelector( 'aside.notes' );
|
||||
if( notesElement ) {
|
||||
return notesElement.innerHTML;
|
||||
}
|
||||
|
||||
return null;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieves the current state of the presentation as
|
||||
* an object. This state can then be restored at any
|
||||
* time.
|
||||
*
|
||||
* @return {{indexh: number, indexv: number, indexf: number, paused: boolean, overview: boolean}}
|
||||
*/
|
||||
function getState() {
|
||||
|
||||
var indices = getIndices();
|
||||
|
||||
return {
|
||||
indexh: indices.h,
|
||||
indexv: indices.v,
|
||||
indexf: indices.f,
|
||||
paused: isPaused(),
|
||||
overview: isOverview()
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Restores the presentation to the given state.
|
||||
*
|
||||
* @param {object} state As generated by getState()
|
||||
* @see {@link getState} generates the parameter `state`
|
||||
*/
|
||||
function setState( state ) {
|
||||
|
||||
if( typeof state === 'object' ) {
|
||||
slide( deserialize( state.indexh ), deserialize( state.indexv ), deserialize( state.indexf ) );
|
||||
|
||||
var pausedFlag = deserialize( state.paused ),
|
||||
overviewFlag = deserialize( state.overview );
|
||||
|
||||
if( typeof pausedFlag === 'boolean' && pausedFlag !== isPaused() ) {
|
||||
togglePause( pausedFlag );
|
||||
}
|
||||
|
||||
if( typeof overviewFlag === 'boolean' && overviewFlag !== isOverview() ) {
|
||||
toggleOverview( overviewFlag );
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Return a sorted fragments list, ordered by an increasing
|
||||
* "data-fragment-index" attribute.
|
||||
*
|
||||
* Fragments will be revealed in the order that they are returned by
|
||||
* this function, so you can use the index attributes to control the
|
||||
* order of fragment appearance.
|
||||
*
|
||||
* To maintain a sensible default fragment order, fragments are presumed
|
||||
* to be passed in document order. This function adds a "fragment-index"
|
||||
* attribute to each node if such an attribute is not already present,
|
||||
* and sets that attribute to an integer value which is the position of
|
||||
* the fragment within the fragments list.
|
||||
*
|
||||
* @param {object[]|*} fragments
|
||||
* @param {boolean} grouped If true the returned array will contain
|
||||
* nested arrays for all fragments with the same index
|
||||
* @return {object[]} sorted Sorted array of fragments
|
||||
*/
|
||||
function sortFragments( fragments, grouped ) {
|
||||
|
||||
fragments = toArray( fragments );
|
||||
|
||||
var ordered = [],
|
||||
unordered = [],
|
||||
sorted = [];
|
||||
|
||||
// Group ordered and unordered elements
|
||||
fragments.forEach( function( fragment, i ) {
|
||||
if( fragment.hasAttribute( 'data-fragment-index' ) ) {
|
||||
var index = parseInt( fragment.getAttribute( 'data-fragment-index' ), 10 );
|
||||
|
||||
if( !ordered[index] ) {
|
||||
ordered[index] = [];
|
||||
}
|
||||
|
||||
ordered[index].push( fragment );
|
||||
}
|
||||
else {
|
||||
unordered.push( [ fragment ] );
|
||||
}
|
||||
} );
|
||||
|
||||
// Append fragments without explicit indices in their
|
||||
// DOM order
|
||||
ordered = ordered.concat( unordered );
|
||||
|
||||
// Manually count the index up per group to ensure there
|
||||
// are no gaps
|
||||
var index = 0;
|
||||
|
||||
// Push all fragments in their sorted order to an array,
|
||||
// this flattens the groups
|
||||
ordered.forEach( function( group ) {
|
||||
group.forEach( function( fragment ) {
|
||||
sorted.push( fragment );
|
||||
fragment.setAttribute( 'data-fragment-index', index );
|
||||
} );
|
||||
|
||||
index ++;
|
||||
} );
|
||||
|
||||
return grouped === true ? ordered : sorted;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Refreshes the fragments on the current slide so that they
|
||||
* have the appropriate classes (.visible + .current-fragment).
|
||||
*
|
||||
* @param {number} [index] The index of the current fragment
|
||||
* @param {array} [fragments] Array containing all fragments
|
||||
* in the current slide
|
||||
*
|
||||
* @return {{shown: array, hidden: array}}
|
||||
*/
|
||||
function updateFragments( index, fragments ) {
|
||||
|
||||
var changedFragments = {
|
||||
shown: [],
|
||||
hidden: []
|
||||
};
|
||||
|
||||
if( currentSlide && config.fragments ) {
|
||||
|
||||
fragments = fragments || sortFragments( currentSlide.querySelectorAll( '.fragment' ) );
|
||||
|
||||
if( fragments.length ) {
|
||||
|
||||
if( typeof index !== 'number' ) {
|
||||
var currentFragment = sortFragments( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop();
|
||||
if( currentFragment ) {
|
||||
index = parseInt( currentFragment.getAttribute( 'data-fragment-index' ) || 0, 10 );
|
||||
}
|
||||
}
|
||||
|
||||
toArray( fragments ).forEach( function( el, i ) {
|
||||
|
||||
if( el.hasAttribute( 'data-fragment-index' ) ) {
|
||||
i = parseInt( el.getAttribute( 'data-fragment-index' ), 10 );
|
||||
}
|
||||
|
||||
// Visible fragments
|
||||
if( i <= index ) {
|
||||
if( !el.classList.contains( 'visible' ) ) changedFragments.shown.push( el );
|
||||
el.classList.add( 'visible' );
|
||||
el.classList.remove( 'current-fragment' );
|
||||
|
||||
// Announce the fragments one by one to the Screen Reader
|
||||
dom.statusDiv.textContent = getStatusText( el );
|
||||
|
||||
if( i === index ) {
|
||||
el.classList.add( 'current-fragment' );
|
||||
startEmbeddedContent( el );
|
||||
}
|
||||
}
|
||||
// Hidden fragments
|
||||
else {
|
||||
if( el.classList.contains( 'visible' ) ) changedFragments.hidden.push( el );
|
||||
el.classList.remove( 'visible' );
|
||||
el.classList.remove( 'current-fragment' );
|
||||
}
|
||||
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return changedFragments;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Navigate to the specified slide fragment.
|
||||
*
|
||||
* @param {?number} index The index of the fragment that
|
||||
* should be shown, -1 means all are invisible
|
||||
* @param {number} offset Integer offset to apply to the
|
||||
* fragment index
|
||||
*
|
||||
* @return {boolean} true if a change was made in any
|
||||
* fragments visibility as part of this call
|
||||
*/
|
||||
function navigateFragment( index, offset ) {
|
||||
|
||||
if( currentSlide && config.fragments ) {
|
||||
|
||||
var fragments = sortFragments( currentSlide.querySelectorAll( '.fragment' ) );
|
||||
if( fragments.length ) {
|
||||
|
||||
// If no index is specified, find the current
|
||||
if( typeof index !== 'number' ) {
|
||||
var lastVisibleFragment = sortFragments( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop();
|
||||
|
||||
if( lastVisibleFragment ) {
|
||||
index = parseInt( lastVisibleFragment.getAttribute( 'data-fragment-index' ) || 0, 10 );
|
||||
}
|
||||
else {
|
||||
index = -1;
|
||||
}
|
||||
}
|
||||
|
||||
// If an offset is specified, apply it to the index
|
||||
if( typeof offset === 'number' ) {
|
||||
index += offset;
|
||||
}
|
||||
|
||||
var changedFragments = updateFragments( index, fragments );
|
||||
|
||||
if( changedFragments.hidden.length ) {
|
||||
dispatchEvent( 'fragmenthidden', { fragment: changedFragments.hidden[0], fragments: changedFragments.hidden } );
|
||||
}
|
||||
|
||||
if( changedFragments.shown.length ) {
|
||||
dispatchEvent( 'fragmentshown', { fragment: changedFragments.shown[0], fragments: changedFragments.shown } );
|
||||
}
|
||||
|
||||
updateControls();
|
||||
updateProgress();
|
||||
|
||||
if( config.fragmentInURL ) {
|
||||
writeURL();
|
||||
}
|
||||
|
||||
return !!( changedFragments.shown.length || changedFragments.hidden.length );
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return false;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Navigate to the next slide fragment.
|
||||
*
|
||||
* @return {boolean} true if there was a next fragment,
|
||||
* false otherwise
|
||||
*/
|
||||
function nextFragment() {
|
||||
|
||||
return navigateFragment( null, 1 );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Navigate to the previous slide fragment.
|
||||
*
|
||||
* @return {boolean} true if there was a previous fragment,
|
||||
* false otherwise
|
||||
*/
|
||||
function previousFragment() {
|
||||
|
||||
return navigateFragment( null, -1 );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Cues a new automated slide if enabled in the config.
|
||||
*/
|
||||
function cueAutoSlide() {
|
||||
|
||||
cancelAutoSlide();
|
||||
|
||||
if( currentSlide && config.autoSlide !== false ) {
|
||||
|
||||
var fragment = currentSlide.querySelector( '.current-fragment' );
|
||||
|
||||
// When the slide first appears there is no "current" fragment so
|
||||
// we look for a data-autoslide timing on the first fragment
|
||||
if( !fragment ) fragment = currentSlide.querySelector( '.fragment' );
|
||||
|
||||
var fragmentAutoSlide = fragment ? fragment.getAttribute( 'data-autoslide' ) : null;
|
||||
var parentAutoSlide = currentSlide.parentNode ? currentSlide.parentNode.getAttribute( 'data-autoslide' ) : null;
|
||||
var slideAutoSlide = currentSlide.getAttribute( 'data-autoslide' );
|
||||
|
||||
// Pick value in the following priority order:
|
||||
// 1. Current fragment's data-autoslide
|
||||
// 2. Current slide's data-autoslide
|
||||
// 3. Parent slide's data-autoslide
|
||||
// 4. Global autoSlide setting
|
||||
if( fragmentAutoSlide ) {
|
||||
autoSlide = parseInt( fragmentAutoSlide, 10 );
|
||||
}
|
||||
else if( slideAutoSlide ) {
|
||||
autoSlide = parseInt( slideAutoSlide, 10 );
|
||||
}
|
||||
else if( parentAutoSlide ) {
|
||||
autoSlide = parseInt( parentAutoSlide, 10 );
|
||||
}
|
||||
else {
|
||||
autoSlide = config.autoSlide;
|
||||
}
|
||||
|
||||
// If there are media elements with data-autoplay,
|
||||
// automatically set the autoSlide duration to the
|
||||
// length of that media. Not applicable if the slide
|
||||
// is divided up into fragments.
|
||||
// playbackRate is accounted for in the duration.
|
||||
if( currentSlide.querySelectorAll( '.fragment' ).length === 0 ) {
|
||||
toArray( currentSlide.querySelectorAll( 'video, audio' ) ).forEach( function( el ) {
|
||||
if( el.hasAttribute( 'data-autoplay' ) ) {
|
||||
if( autoSlide && (el.duration * 1000 / el.playbackRate ) > autoSlide ) {
|
||||
autoSlide = ( el.duration * 1000 / el.playbackRate ) + 1000;
|
||||
}
|
||||
}
|
||||
} );
|
||||
}
|
||||
|
||||
// Cue the next auto-slide if:
|
||||
// - There is an autoSlide value
|
||||
// - Auto-sliding isn't paused by the user
|
||||
// - The presentation isn't paused
|
||||
// - The overview isn't active
|
||||
// - The presentation isn't over
|
||||
if( autoSlide && !autoSlidePaused && !isPaused() && !isOverview() && ( !Reveal.isLastSlide() || availableFragments().next || config.loop === true ) ) {
|
||||
autoSlideTimeout = setTimeout( function() {
|
||||
typeof config.autoSlideMethod === 'function' ? config.autoSlideMethod() : navigateNext();
|
||||
cueAutoSlide();
|
||||
}, autoSlide );
|
||||
autoSlideStartTime = Date.now();
|
||||
}
|
||||
|
||||
if( autoSlidePlayer ) {
|
||||
autoSlidePlayer.setPlaying( autoSlideTimeout !== -1 );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Cancels any ongoing request to auto-slide.
|
||||
*/
|
||||
function cancelAutoSlide() {
|
||||
|
||||
clearTimeout( autoSlideTimeout );
|
||||
autoSlideTimeout = -1;
|
||||
|
||||
}
|
||||
|
||||
function pauseAutoSlide() {
|
||||
|
||||
if( autoSlide && !autoSlidePaused ) {
|
||||
autoSlidePaused = true;
|
||||
dispatchEvent( 'autoslidepaused' );
|
||||
clearTimeout( autoSlideTimeout );
|
||||
|
||||
if( autoSlidePlayer ) {
|
||||
autoSlidePlayer.setPlaying( false );
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function resumeAutoSlide() {
|
||||
|
||||
if( autoSlide && autoSlidePaused ) {
|
||||
autoSlidePaused = false;
|
||||
dispatchEvent( 'autoslideresumed' );
|
||||
cueAutoSlide();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function navigateLeft() {
|
||||
|
||||
// Reverse for RTL
|
||||
if( config.rtl ) {
|
||||
if( ( isOverview() || nextFragment() === false ) && availableRoutes().left ) {
|
||||
slide( indexh + 1, config.navigationMode === 'grid' ? indexv : undefined );
|
||||
}
|
||||
}
|
||||
// Normal navigation
|
||||
else if( ( isOverview() || previousFragment() === false ) && availableRoutes().left ) {
|
||||
slide( indexh - 1, config.navigationMode === 'grid' ? indexv : undefined );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function navigateRight() {
|
||||
|
||||
hasNavigatedRight = true;
|
||||
|
||||
// Reverse for RTL
|
||||
if( config.rtl ) {
|
||||
if( ( isOverview() || previousFragment() === false ) && availableRoutes().right ) {
|
||||
slide( indexh - 1, config.navigationMode === 'grid' ? indexv : undefined );
|
||||
}
|
||||
}
|
||||
// Normal navigation
|
||||
else if( ( isOverview() || nextFragment() === false ) && availableRoutes().right ) {
|
||||
slide( indexh + 1, config.navigationMode === 'grid' ? indexv : undefined );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function navigateUp() {
|
||||
|
||||
// Prioritize hiding fragments
|
||||
if( ( isOverview() || previousFragment() === false ) && availableRoutes().up ) {
|
||||
slide( indexh, indexv - 1 );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function navigateDown() {
|
||||
|
||||
hasNavigatedDown = true;
|
||||
|
||||
// Prioritize revealing fragments
|
||||
if( ( isOverview() || nextFragment() === false ) && availableRoutes().down ) {
|
||||
slide( indexh, indexv + 1 );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Navigates backwards, prioritized in the following order:
|
||||
* 1) Previous fragment
|
||||
* 2) Previous vertical slide
|
||||
* 3) Previous horizontal slide
|
||||
*/
|
||||
function navigatePrev() {
|
||||
|
||||
// Prioritize revealing fragments
|
||||
if( previousFragment() === false ) {
|
||||
if( availableRoutes().up ) {
|
||||
navigateUp();
|
||||
}
|
||||
else {
|
||||
// Fetch the previous horizontal slide, if there is one
|
||||
var previousSlide;
|
||||
|
||||
if( config.rtl ) {
|
||||
previousSlide = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.future' ) ).pop();
|
||||
}
|
||||
else {
|
||||
previousSlide = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.past' ) ).pop();
|
||||
}
|
||||
|
||||
if( previousSlide ) {
|
||||
var v = ( previousSlide.querySelectorAll( 'section' ).length - 1 ) || undefined;
|
||||
var h = indexh - 1;
|
||||
slide( h, v );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* The reverse of #navigatePrev().
|
||||
*/
|
||||
function navigateNext() {
|
||||
|
||||
hasNavigatedRight = true;
|
||||
hasNavigatedDown = true;
|
||||
|
||||
// Prioritize revealing fragments
|
||||
if( nextFragment() === false ) {
|
||||
|
||||
var routes = availableRoutes();
|
||||
|
||||
// When looping is enabled `routes.down` is always available
|
||||
// so we need a separate check for when we've reached the
|
||||
// end of a stack and should move horizontally
|
||||
if( routes.down && routes.right && config.loop && Reveal.isLastVerticalSlide( currentSlide ) ) {
|
||||
routes.down = false;
|
||||
}
|
||||
|
||||
if( routes.down ) {
|
||||
navigateDown();
|
||||
}
|
||||
else if( config.rtl ) {
|
||||
navigateLeft();
|
||||
}
|
||||
else {
|
||||
navigateRight();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if the target element prevents the triggering of
|
||||
* swipe navigation.
|
||||
*/
|
||||
function isSwipePrevented( target ) {
|
||||
|
||||
while( target && typeof target.hasAttribute === 'function' ) {
|
||||
if( target.hasAttribute( 'data-prevent-swipe' ) ) return true;
|
||||
target = target.parentNode;
|
||||
}
|
||||
|
||||
return false;
|
||||
|
||||
}
|
||||
|
||||
|
||||
// --------------------------------------------------------------------//
|
||||
// ----------------------------- EVENTS -------------------------------//
|
||||
// --------------------------------------------------------------------//
|
||||
|
||||
/**
|
||||
* Called by all event handlers that are based on user
|
||||
* input.
|
||||
*
|
||||
* @param {object} [event]
|
||||
*/
|
||||
function onUserInput( event ) {
|
||||
|
||||
if( config.autoSlideStoppable ) {
|
||||
pauseAutoSlide();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Called whenever there is mouse input at the document level
|
||||
* to determine if the cursor is active or not.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onDocumentCursorActive( event ) {
|
||||
|
||||
showCursor();
|
||||
|
||||
clearTimeout( cursorInactiveTimeout );
|
||||
|
||||
cursorInactiveTimeout = setTimeout( hideCursor, config.hideCursorTime );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Handler for the document level 'keypress' event.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onDocumentKeyPress( event ) {
|
||||
|
||||
// Check if the pressed key is question mark
|
||||
if( event.shiftKey && event.charCode === 63 ) {
|
||||
toggleHelp();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Handler for the document level 'keydown' event.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onDocumentKeyDown( event ) {
|
||||
|
||||
// If there's a condition specified and it returns false,
|
||||
// ignore this event
|
||||
if( typeof config.keyboardCondition === 'function' && config.keyboardCondition(event) === false ) {
|
||||
return true;
|
||||
}
|
||||
|
||||
// Shorthand
|
||||
var keyCode = event.keyCode;
|
||||
|
||||
// Remember if auto-sliding was paused so we can toggle it
|
||||
var autoSlideWasPaused = autoSlidePaused;
|
||||
|
||||
onUserInput( event );
|
||||
|
||||
// Is there a focused element that could be using the keyboard?
|
||||
var activeElementIsCE = document.activeElement && document.activeElement.contentEditable !== 'inherit';
|
||||
var activeElementIsInput = document.activeElement && document.activeElement.tagName && /input|textarea/i.test( document.activeElement.tagName );
|
||||
var activeElementIsNotes = document.activeElement && document.activeElement.className && /speaker-notes/i.test( document.activeElement.className);
|
||||
|
||||
// Whitelist specific modified + keycode combinations
|
||||
var prevSlideShortcut = event.shiftKey && event.keyCode === 32;
|
||||
var firstSlideShortcut = ( event.metaKey || event.ctrlKey ) && keyCode === 37;
|
||||
var lastSlideShortcut = ( event.metaKey || event.ctrlKey ) && keyCode === 39;
|
||||
|
||||
// Prevent all other events when a modifier is pressed
|
||||
var unusedModifier = !prevSlideShortcut && !firstSlideShortcut && !lastSlideShortcut &&
|
||||
( event.shiftKey || event.altKey || event.ctrlKey || event.metaKey );
|
||||
|
||||
// Disregard the event if there's a focused element or a
|
||||
// keyboard modifier key is present
|
||||
if( activeElementIsCE || activeElementIsInput || activeElementIsNotes || unusedModifier ) return;
|
||||
|
||||
// While paused only allow resume keyboard events; 'b', 'v', '.'
|
||||
var resumeKeyCodes = [66,86,190,191];
|
||||
var key;
|
||||
|
||||
// Custom key bindings for togglePause should be able to resume
|
||||
if( typeof config.keyboard === 'object' ) {
|
||||
for( key in config.keyboard ) {
|
||||
if( config.keyboard[key] === 'togglePause' ) {
|
||||
resumeKeyCodes.push( parseInt( key, 10 ) );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if( isPaused() && resumeKeyCodes.indexOf( keyCode ) === -1 ) {
|
||||
return false;
|
||||
}
|
||||
|
||||
var triggered = false;
|
||||
|
||||
// 1. User defined key bindings
|
||||
if( typeof config.keyboard === 'object' ) {
|
||||
|
||||
for( key in config.keyboard ) {
|
||||
|
||||
// Check if this binding matches the pressed key
|
||||
if( parseInt( key, 10 ) === keyCode ) {
|
||||
|
||||
var value = config.keyboard[ key ];
|
||||
|
||||
// Callback function
|
||||
if( typeof value === 'function' ) {
|
||||
value.apply( null, [ event ] );
|
||||
}
|
||||
// String shortcuts to reveal.js API
|
||||
else if( typeof value === 'string' && typeof Reveal[ value ] === 'function' ) {
|
||||
Reveal[ value ].call();
|
||||
}
|
||||
|
||||
triggered = true;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// 2. Registered custom key bindings
|
||||
if( triggered === false ) {
|
||||
|
||||
for( key in registeredKeyBindings ) {
|
||||
|
||||
// Check if this binding matches the pressed key
|
||||
if( parseInt( key, 10 ) === keyCode ) {
|
||||
|
||||
var action = registeredKeyBindings[ key ].callback;
|
||||
|
||||
// Callback function
|
||||
if( typeof action === 'function' ) {
|
||||
action.apply( null, [ event ] );
|
||||
}
|
||||
// String shortcuts to reveal.js API
|
||||
else if( typeof action === 'string' && typeof Reveal[ action ] === 'function' ) {
|
||||
Reveal[ action ].call();
|
||||
}
|
||||
|
||||
triggered = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 3. System defined key bindings
|
||||
if( triggered === false ) {
|
||||
|
||||
// Assume true and try to prove false
|
||||
triggered = true;
|
||||
|
||||
// P, PAGE UP
|
||||
if( keyCode === 80 || keyCode === 33 ) {
|
||||
navigatePrev();
|
||||
}
|
||||
// N, PAGE DOWN
|
||||
else if( keyCode === 78 || keyCode === 34 ) {
|
||||
navigateNext();
|
||||
}
|
||||
// H, LEFT
|
||||
else if( keyCode === 72 || keyCode === 37 ) {
|
||||
if( firstSlideShortcut ) {
|
||||
slide( 0 );
|
||||
}
|
||||
else if( !isOverview() && config.navigationMode === 'linear' ) {
|
||||
navigatePrev();
|
||||
}
|
||||
else {
|
||||
navigateLeft();
|
||||
}
|
||||
}
|
||||
// L, RIGHT
|
||||
else if( keyCode === 76 || keyCode === 39 ) {
|
||||
if( lastSlideShortcut ) {
|
||||
slide( Number.MAX_VALUE );
|
||||
}
|
||||
else if( !isOverview() && config.navigationMode === 'linear' ) {
|
||||
navigateNext();
|
||||
}
|
||||
else {
|
||||
navigateRight();
|
||||
}
|
||||
}
|
||||
// K, UP
|
||||
else if( keyCode === 75 || keyCode === 38 ) {
|
||||
if( !isOverview() && config.navigationMode === 'linear' ) {
|
||||
navigatePrev();
|
||||
}
|
||||
else {
|
||||
navigateUp();
|
||||
}
|
||||
}
|
||||
// J, DOWN
|
||||
else if( keyCode === 74 || keyCode === 40 ) {
|
||||
if( !isOverview() && config.navigationMode === 'linear' ) {
|
||||
navigateNext();
|
||||
}
|
||||
else {
|
||||
navigateDown();
|
||||
}
|
||||
}
|
||||
// HOME
|
||||
else if( keyCode === 36 ) {
|
||||
slide( 0 );
|
||||
}
|
||||
// END
|
||||
else if( keyCode === 35 ) {
|
||||
slide( Number.MAX_VALUE );
|
||||
}
|
||||
// SPACE
|
||||
else if( keyCode === 32 ) {
|
||||
if( isOverview() ) {
|
||||
deactivateOverview();
|
||||
}
|
||||
if( event.shiftKey ) {
|
||||
navigatePrev();
|
||||
}
|
||||
else {
|
||||
navigateNext();
|
||||
}
|
||||
}
|
||||
// TWO-SPOT, SEMICOLON, B, V, PERIOD, LOGITECH PRESENTER TOOLS "BLACK SCREEN" BUTTON
|
||||
else if( keyCode === 58 || keyCode === 59 || keyCode === 66 || keyCode === 86 || keyCode === 190 || keyCode === 191 ) {
|
||||
togglePause();
|
||||
}
|
||||
// F
|
||||
else if( keyCode === 70 ) {
|
||||
enterFullscreen();
|
||||
}
|
||||
// A
|
||||
else if( keyCode === 65 ) {
|
||||
if ( config.autoSlideStoppable ) {
|
||||
toggleAutoSlide( autoSlideWasPaused );
|
||||
}
|
||||
}
|
||||
else {
|
||||
triggered = false;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// If the input resulted in a triggered action we should prevent
|
||||
// the browsers default behavior
|
||||
if( triggered ) {
|
||||
event.preventDefault && event.preventDefault();
|
||||
}
|
||||
// ESC or O key
|
||||
else if ( ( keyCode === 27 || keyCode === 79 ) && features.transforms3d ) {
|
||||
if( dom.overlay ) {
|
||||
closeOverlay();
|
||||
}
|
||||
else {
|
||||
toggleOverview();
|
||||
}
|
||||
|
||||
event.preventDefault && event.preventDefault();
|
||||
}
|
||||
|
||||
// If auto-sliding is enabled we need to cue up
|
||||
// another timeout
|
||||
cueAutoSlide();
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Handler for the 'touchstart' event, enables support for
|
||||
* swipe and pinch gestures.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onTouchStart( event ) {
|
||||
|
||||
if( isSwipePrevented( event.target ) ) return true;
|
||||
|
||||
touch.startX = event.touches[0].clientX;
|
||||
touch.startY = event.touches[0].clientY;
|
||||
touch.startCount = event.touches.length;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Handler for the 'touchmove' event.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onTouchMove( event ) {
|
||||
|
||||
if( isSwipePrevented( event.target ) ) return true;
|
||||
|
||||
// Each touch should only trigger one action
|
||||
if( !touch.captured ) {
|
||||
onUserInput( event );
|
||||
|
||||
var currentX = event.touches[0].clientX;
|
||||
var currentY = event.touches[0].clientY;
|
||||
|
||||
// There was only one touch point, look for a swipe
|
||||
if( event.touches.length === 1 && touch.startCount !== 2 ) {
|
||||
|
||||
var deltaX = currentX - touch.startX,
|
||||
deltaY = currentY - touch.startY;
|
||||
|
||||
if( deltaX > touch.threshold && Math.abs( deltaX ) > Math.abs( deltaY ) ) {
|
||||
touch.captured = true;
|
||||
navigateLeft();
|
||||
}
|
||||
else if( deltaX < -touch.threshold && Math.abs( deltaX ) > Math.abs( deltaY ) ) {
|
||||
touch.captured = true;
|
||||
navigateRight();
|
||||
}
|
||||
else if( deltaY > touch.threshold ) {
|
||||
touch.captured = true;
|
||||
navigateUp();
|
||||
}
|
||||
else if( deltaY < -touch.threshold ) {
|
||||
touch.captured = true;
|
||||
navigateDown();
|
||||
}
|
||||
|
||||
// If we're embedded, only block touch events if they have
|
||||
// triggered an action
|
||||
if( config.embedded ) {
|
||||
if( touch.captured || isVerticalSlide( currentSlide ) ) {
|
||||
event.preventDefault();
|
||||
}
|
||||
}
|
||||
// Not embedded? Block them all to avoid needless tossing
|
||||
// around of the viewport in iOS
|
||||
else {
|
||||
event.preventDefault();
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
// There's a bug with swiping on some Android devices unless
|
||||
// the default action is always prevented
|
||||
else if( UA.match( /android/gi ) ) {
|
||||
event.preventDefault();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Handler for the 'touchend' event.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onTouchEnd( event ) {
|
||||
|
||||
touch.captured = false;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert pointer down to touch start.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onPointerDown( event ) {
|
||||
|
||||
if( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === "touch" ) {
|
||||
event.touches = [{ clientX: event.clientX, clientY: event.clientY }];
|
||||
onTouchStart( event );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert pointer move to touch move.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onPointerMove( event ) {
|
||||
|
||||
if( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === "touch" ) {
|
||||
event.touches = [{ clientX: event.clientX, clientY: event.clientY }];
|
||||
onTouchMove( event );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert pointer up to touch end.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onPointerUp( event ) {
|
||||
|
||||
if( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === "touch" ) {
|
||||
event.touches = [{ clientX: event.clientX, clientY: event.clientY }];
|
||||
onTouchEnd( event );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles mouse wheel scrolling, throttled to avoid skipping
|
||||
* multiple slides.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onDocumentMouseScroll( event ) {
|
||||
|
||||
if( Date.now() - lastMouseWheelStep > 600 ) {
|
||||
|
||||
lastMouseWheelStep = Date.now();
|
||||
|
||||
var delta = event.detail || -event.wheelDelta;
|
||||
if( delta > 0 ) {
|
||||
navigateNext();
|
||||
}
|
||||
else if( delta < 0 ) {
|
||||
navigatePrev();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Clicking on the progress bar results in a navigation to the
|
||||
* closest approximate horizontal slide using this equation:
|
||||
*
|
||||
* ( clickX / presentationWidth ) * numberOfSlides
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onProgressClicked( event ) {
|
||||
|
||||
onUserInput( event );
|
||||
|
||||
event.preventDefault();
|
||||
|
||||
var slidesTotal = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).length;
|
||||
var slideIndex = Math.floor( ( event.clientX / dom.wrapper.offsetWidth ) * slidesTotal );
|
||||
|
||||
if( config.rtl ) {
|
||||
slideIndex = slidesTotal - slideIndex;
|
||||
}
|
||||
|
||||
slide( slideIndex );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Event handler for navigation control buttons.
|
||||
*/
|
||||
function onNavigateLeftClicked( event ) { event.preventDefault(); onUserInput(); config.navigationMode === 'linear' ? navigatePrev() : navigateLeft(); }
|
||||
function onNavigateRightClicked( event ) { event.preventDefault(); onUserInput(); config.navigationMode === 'linear' ? navigateNext() : navigateRight(); }
|
||||
function onNavigateUpClicked( event ) { event.preventDefault(); onUserInput(); navigateUp(); }
|
||||
function onNavigateDownClicked( event ) { event.preventDefault(); onUserInput(); navigateDown(); }
|
||||
function onNavigatePrevClicked( event ) { event.preventDefault(); onUserInput(); navigatePrev(); }
|
||||
function onNavigateNextClicked( event ) { event.preventDefault(); onUserInput(); navigateNext(); }
|
||||
|
||||
/**
|
||||
* Handler for the window level 'hashchange' event.
|
||||
*
|
||||
* @param {object} [event]
|
||||
*/
|
||||
function onWindowHashChange( event ) {
|
||||
|
||||
readURL();
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Handler for the window level 'resize' event.
|
||||
*
|
||||
* @param {object} [event]
|
||||
*/
|
||||
function onWindowResize( event ) {
|
||||
|
||||
layout();
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Handle for the window level 'visibilitychange' event.
|
||||
*
|
||||
* @param {object} [event]
|
||||
*/
|
||||
function onPageVisibilityChange( event ) {
|
||||
|
||||
var isHidden = document.webkitHidden ||
|
||||
document.msHidden ||
|
||||
document.hidden;
|
||||
|
||||
// If, after clicking a link or similar and we're coming back,
|
||||
// focus the document.body to ensure we can use keyboard shortcuts
|
||||
if( isHidden === false && document.activeElement !== document.body ) {
|
||||
// Not all elements support .blur() - SVGs among them.
|
||||
if( typeof document.activeElement.blur === 'function' ) {
|
||||
document.activeElement.blur();
|
||||
}
|
||||
document.body.focus();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Invoked when a slide is and we're in the overview.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onOverviewSlideClicked( event ) {
|
||||
|
||||
// TODO There's a bug here where the event listeners are not
|
||||
// removed after deactivating the overview.
|
||||
if( eventsAreBound && isOverview() ) {
|
||||
event.preventDefault();
|
||||
|
||||
var element = event.target;
|
||||
|
||||
while( element && !element.nodeName.match( /section/gi ) ) {
|
||||
element = element.parentNode;
|
||||
}
|
||||
|
||||
if( element && !element.classList.contains( 'disabled' ) ) {
|
||||
|
||||
deactivateOverview();
|
||||
|
||||
if( element.nodeName.match( /section/gi ) ) {
|
||||
var h = parseInt( element.getAttribute( 'data-index-h' ), 10 ),
|
||||
v = parseInt( element.getAttribute( 'data-index-v' ), 10 );
|
||||
|
||||
slide( h, v );
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles clicks on links that are set to preview in the
|
||||
* iframe overlay.
|
||||
*
|
||||
* @param {object} event
|
||||
*/
|
||||
function onPreviewLinkClicked( event ) {
|
||||
|
||||
if( event.currentTarget && event.currentTarget.hasAttribute( 'href' ) ) {
|
||||
var url = event.currentTarget.getAttribute( 'href' );
|
||||
if( url ) {
|
||||
showPreview( url );
|
||||
event.preventDefault();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles click on the auto-sliding controls element.
|
||||
*
|
||||
* @param {object} [event]
|
||||
*/
|
||||
function onAutoSlidePlayerClick( event ) {
|
||||
|
||||
// Replay
|
||||
if( Reveal.isLastSlide() && config.loop === false ) {
|
||||
slide( 0, 0 );
|
||||
resumeAutoSlide();
|
||||
}
|
||||
// Resume
|
||||
else if( autoSlidePaused ) {
|
||||
resumeAutoSlide();
|
||||
}
|
||||
// Pause
|
||||
else {
|
||||
pauseAutoSlide();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
// --------------------------------------------------------------------//
|
||||
// ------------------------ PLAYBACK COMPONENT ------------------------//
|
||||
// --------------------------------------------------------------------//
|
||||
|
||||
|
||||
/**
|
||||
* Constructor for the playback component, which displays
|
||||
* play/pause/progress controls.
|
||||
*
|
||||
* @param {HTMLElement} container The component will append
|
||||
* itself to this
|
||||
* @param {function} progressCheck A method which will be
|
||||
* called frequently to get the current progress on a range
|
||||
* of 0-1
|
||||
*/
|
||||
function Playback( container, progressCheck ) {
|
||||
|
||||
// Cosmetics
|
||||
this.diameter = 100;
|
||||
this.diameter2 = this.diameter/2;
|
||||
this.thickness = 6;
|
||||
|
||||
// Flags if we are currently playing
|
||||
this.playing = false;
|
||||
|
||||
// Current progress on a 0-1 range
|
||||
this.progress = 0;
|
||||
|
||||
// Used to loop the animation smoothly
|
||||
this.progressOffset = 1;
|
||||
|
||||
this.container = container;
|
||||
this.progressCheck = progressCheck;
|
||||
|
||||
this.canvas = document.createElement( 'canvas' );
|
||||
this.canvas.className = 'playback';
|
||||
this.canvas.width = this.diameter;
|
||||
this.canvas.height = this.diameter;
|
||||
this.canvas.style.width = this.diameter2 + 'px';
|
||||
this.canvas.style.height = this.diameter2 + 'px';
|
||||
this.context = this.canvas.getContext( '2d' );
|
||||
|
||||
this.container.appendChild( this.canvas );
|
||||
|
||||
this.render();
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @param value
|
||||
*/
|
||||
Playback.prototype.setPlaying = function( value ) {
|
||||
|
||||
var wasPlaying = this.playing;
|
||||
|
||||
this.playing = value;
|
||||
|
||||
// Start repainting if we weren't already
|
||||
if( !wasPlaying && this.playing ) {
|
||||
this.animate();
|
||||
}
|
||||
else {
|
||||
this.render();
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
Playback.prototype.animate = function() {
|
||||
|
||||
var progressBefore = this.progress;
|
||||
|
||||
this.progress = this.progressCheck();
|
||||
|
||||
// When we loop, offset the progress so that it eases
|
||||
// smoothly rather than immediately resetting
|
||||
if( progressBefore > 0.8 && this.progress < 0.2 ) {
|
||||
this.progressOffset = this.progress;
|
||||
}
|
||||
|
||||
this.render();
|
||||
|
||||
if( this.playing ) {
|
||||
features.requestAnimationFrameMethod.call( window, this.animate.bind( this ) );
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* Renders the current progress and playback state.
|
||||
*/
|
||||
Playback.prototype.render = function() {
|
||||
|
||||
var progress = this.playing ? this.progress : 0,
|
||||
radius = ( this.diameter2 ) - this.thickness,
|
||||
x = this.diameter2,
|
||||
y = this.diameter2,
|
||||
iconSize = 28;
|
||||
|
||||
// Ease towards 1
|
||||
this.progressOffset += ( 1 - this.progressOffset ) * 0.1;
|
||||
|
||||
var endAngle = ( - Math.PI / 2 ) + ( progress * ( Math.PI * 2 ) );
|
||||
var startAngle = ( - Math.PI / 2 ) + ( this.progressOffset * ( Math.PI * 2 ) );
|
||||
|
||||
this.context.save();
|
||||
this.context.clearRect( 0, 0, this.diameter, this.diameter );
|
||||
|
||||
// Solid background color
|
||||
this.context.beginPath();
|
||||
this.context.arc( x, y, radius + 4, 0, Math.PI * 2, false );
|
||||
this.context.fillStyle = 'rgba( 0, 0, 0, 0.4 )';
|
||||
this.context.fill();
|
||||
|
||||
// Draw progress track
|
||||
this.context.beginPath();
|
||||
this.context.arc( x, y, radius, 0, Math.PI * 2, false );
|
||||
this.context.lineWidth = this.thickness;
|
||||
this.context.strokeStyle = 'rgba( 255, 255, 255, 0.2 )';
|
||||
this.context.stroke();
|
||||
|
||||
if( this.playing ) {
|
||||
// Draw progress on top of track
|
||||
this.context.beginPath();
|
||||
this.context.arc( x, y, radius, startAngle, endAngle, false );
|
||||
this.context.lineWidth = this.thickness;
|
||||
this.context.strokeStyle = '#fff';
|
||||
this.context.stroke();
|
||||
}
|
||||
|
||||
this.context.translate( x - ( iconSize / 2 ), y - ( iconSize / 2 ) );
|
||||
|
||||
// Draw play/pause icons
|
||||
if( this.playing ) {
|
||||
this.context.fillStyle = '#fff';
|
||||
this.context.fillRect( 0, 0, iconSize / 2 - 4, iconSize );
|
||||
this.context.fillRect( iconSize / 2 + 4, 0, iconSize / 2 - 4, iconSize );
|
||||
}
|
||||
else {
|
||||
this.context.beginPath();
|
||||
this.context.translate( 4, 0 );
|
||||
this.context.moveTo( 0, 0 );
|
||||
this.context.lineTo( iconSize - 4, iconSize / 2 );
|
||||
this.context.lineTo( 0, iconSize );
|
||||
this.context.fillStyle = '#fff';
|
||||
this.context.fill();
|
||||
}
|
||||
|
||||
this.context.restore();
|
||||
|
||||
};
|
||||
|
||||
Playback.prototype.on = function( type, listener ) {
|
||||
this.canvas.addEventListener( type, listener, false );
|
||||
};
|
||||
|
||||
Playback.prototype.off = function( type, listener ) {
|
||||
this.canvas.removeEventListener( type, listener, false );
|
||||
};
|
||||
|
||||
Playback.prototype.destroy = function() {
|
||||
|
||||
this.playing = false;
|
||||
|
||||
if( this.canvas.parentNode ) {
|
||||
this.container.removeChild( this.canvas );
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
|
||||
// --------------------------------------------------------------------//
|
||||
// ------------------------------- API --------------------------------//
|
||||
// --------------------------------------------------------------------//
|
||||
|
||||
|
||||
Reveal = {
|
||||
VERSION: VERSION,
|
||||
|
||||
initialize: initialize,
|
||||
configure: configure,
|
||||
|
||||
sync: sync,
|
||||
syncSlide: syncSlide,
|
||||
syncFragments: syncFragments,
|
||||
|
||||
// Navigation methods
|
||||
slide: slide,
|
||||
left: navigateLeft,
|
||||
right: navigateRight,
|
||||
up: navigateUp,
|
||||
down: navigateDown,
|
||||
prev: navigatePrev,
|
||||
next: navigateNext,
|
||||
|
||||
// Fragment methods
|
||||
navigateFragment: navigateFragment,
|
||||
prevFragment: previousFragment,
|
||||
nextFragment: nextFragment,
|
||||
|
||||
// Deprecated aliases
|
||||
navigateTo: slide,
|
||||
navigateLeft: navigateLeft,
|
||||
navigateRight: navigateRight,
|
||||
navigateUp: navigateUp,
|
||||
navigateDown: navigateDown,
|
||||
navigatePrev: navigatePrev,
|
||||
navigateNext: navigateNext,
|
||||
|
||||
// Forces an update in slide layout
|
||||
layout: layout,
|
||||
|
||||
// Randomizes the order of slides
|
||||
shuffle: shuffle,
|
||||
|
||||
// Returns an object with the available routes as booleans (left/right/top/bottom)
|
||||
availableRoutes: availableRoutes,
|
||||
|
||||
// Returns an object with the available fragments as booleans (prev/next)
|
||||
availableFragments: availableFragments,
|
||||
|
||||
// Toggles a help overlay with keyboard shortcuts
|
||||
toggleHelp: toggleHelp,
|
||||
|
||||
// Toggles the overview mode on/off
|
||||
toggleOverview: toggleOverview,
|
||||
|
||||
// Toggles the "black screen" mode on/off
|
||||
togglePause: togglePause,
|
||||
|
||||
// Toggles the auto slide mode on/off
|
||||
toggleAutoSlide: toggleAutoSlide,
|
||||
|
||||
// State checks
|
||||
isOverview: isOverview,
|
||||
isPaused: isPaused,
|
||||
isAutoSliding: isAutoSliding,
|
||||
isSpeakerNotes: isSpeakerNotes,
|
||||
|
||||
// Slide preloading
|
||||
loadSlide: loadSlide,
|
||||
unloadSlide: unloadSlide,
|
||||
|
||||
// Adds or removes all internal event listeners (such as keyboard)
|
||||
addEventListeners: addEventListeners,
|
||||
removeEventListeners: removeEventListeners,
|
||||
|
||||
// Facility for persisting and restoring the presentation state
|
||||
getState: getState,
|
||||
setState: setState,
|
||||
|
||||
// Presentation progress
|
||||
getSlidePastCount: getSlidePastCount,
|
||||
|
||||
// Presentation progress on range of 0-1
|
||||
getProgress: getProgress,
|
||||
|
||||
// Returns the indices of the current, or specified, slide
|
||||
getIndices: getIndices,
|
||||
|
||||
// Returns an Array of all slides
|
||||
getSlides: getSlides,
|
||||
|
||||
// Returns an Array of objects representing the attributes on
|
||||
// the slides
|
||||
getSlidesAttributes: getSlidesAttributes,
|
||||
|
||||
// Returns the total number of slides
|
||||
getTotalSlides: getTotalSlides,
|
||||
|
||||
// Returns the slide element at the specified index
|
||||
getSlide: getSlide,
|
||||
|
||||
// Returns the slide background element at the specified index
|
||||
getSlideBackground: getSlideBackground,
|
||||
|
||||
// Returns the speaker notes string for a slide, or null
|
||||
getSlideNotes: getSlideNotes,
|
||||
|
||||
// Returns the previous slide element, may be null
|
||||
getPreviousSlide: function() {
|
||||
return previousSlide;
|
||||
},
|
||||
|
||||
// Returns the current slide element
|
||||
getCurrentSlide: function() {
|
||||
return currentSlide;
|
||||
},
|
||||
|
||||
// Returns the current scale of the presentation content
|
||||
getScale: function() {
|
||||
return scale;
|
||||
},
|
||||
|
||||
// Returns the current configuration object
|
||||
getConfig: function() {
|
||||
return config;
|
||||
},
|
||||
|
||||
// Helper method, retrieves query string as a key/value hash
|
||||
getQueryHash: function() {
|
||||
var query = {};
|
||||
|
||||
location.search.replace( /[A-Z0-9]+?=([\w\.%-]*)/gi, function(a) {
|
||||
query[ a.split( '=' ).shift() ] = a.split( '=' ).pop();
|
||||
} );
|
||||
|
||||
// Basic deserialization
|
||||
for( var i in query ) {
|
||||
var value = query[ i ];
|
||||
|
||||
query[ i ] = deserialize( unescape( value ) );
|
||||
}
|
||||
|
||||
return query;
|
||||
},
|
||||
|
||||
// Returns the top-level DOM element
|
||||
getRevealElement: function() {
|
||||
return dom.wrapper || document.querySelector( '.reveal' );
|
||||
},
|
||||
|
||||
// Returns a hash with all registered plugins
|
||||
getPlugins: function() {
|
||||
return plugins;
|
||||
},
|
||||
|
||||
// Returns true if we're currently on the first slide
|
||||
isFirstSlide: function() {
|
||||
return ( indexh === 0 && indexv === 0 );
|
||||
},
|
||||
|
||||
// Returns true if we're currently on the last slide
|
||||
isLastSlide: function() {
|
||||
if( currentSlide ) {
|
||||
// Does this slide have a next sibling?
|
||||
if( currentSlide.nextElementSibling ) return false;
|
||||
|
||||
// If it's vertical, does its parent have a next sibling?
|
||||
if( isVerticalSlide( currentSlide ) && currentSlide.parentNode.nextElementSibling ) return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
},
|
||||
|
||||
// Returns true if we're on the last slide in the current
|
||||
// vertical stack
|
||||
isLastVerticalSlide: function() {
|
||||
if( currentSlide && isVerticalSlide( currentSlide ) ) {
|
||||
// Does this slide have a next sibling?
|
||||
if( currentSlide.nextElementSibling ) return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
},
|
||||
|
||||
// Checks if reveal.js has been loaded and is ready for use
|
||||
isReady: function() {
|
||||
return loaded;
|
||||
},
|
||||
|
||||
// Forward event binding to the reveal DOM element
|
||||
addEventListener: function( type, listener, useCapture ) {
|
||||
if( 'addEventListener' in window ) {
|
||||
Reveal.getRevealElement().addEventListener( type, listener, useCapture );
|
||||
}
|
||||
},
|
||||
removeEventListener: function( type, listener, useCapture ) {
|
||||
if( 'addEventListener' in window ) {
|
||||
Reveal.getRevealElement().removeEventListener( type, listener, useCapture );
|
||||
}
|
||||
},
|
||||
|
||||
// Adds/removes a custom key binding
|
||||
addKeyBinding: addKeyBinding,
|
||||
removeKeyBinding: removeKeyBinding,
|
||||
|
||||
// API for registering and retrieving plugins
|
||||
registerPlugin: registerPlugin,
|
||||
hasPlugin: hasPlugin,
|
||||
getPlugin: getPlugin,
|
||||
|
||||
// Programmatically triggers a keyboard event
|
||||
triggerKey: function( keyCode ) {
|
||||
onDocumentKeyDown( { keyCode: keyCode } );
|
||||
},
|
||||
|
||||
// Registers a new shortcut to include in the help overlay
|
||||
registerKeyboardShortcut: function( key, value ) {
|
||||
keyboardShortcuts[key] = value;
|
||||
}
|
||||
};
|
||||
|
||||
return Reveal;
|
||||
|
||||
}));
|
||||
@ -10,7 +10,6 @@
|
||||
* files in this directory. Styles in this file should be added after the last require_* statement.
|
||||
* It is generally better to create a new file per style scope.
|
||||
*
|
||||
*= require_tree .
|
||||
*= require_self
|
||||
*= require site
|
||||
*= require hacker
|
||||
|
||||
49
app/assets/stylesheets/reveal/black.scss
Normal file
49
app/assets/stylesheets/reveal/black.scss
Normal file
@ -0,0 +1,49 @@
|
||||
/**
|
||||
* Black theme for reveal.js. This is the opposite of the 'white' theme.
|
||||
*
|
||||
* By Hakim El Hattab, http://hakim.se
|
||||
*/
|
||||
|
||||
|
||||
// Default mixins and settings -----------------
|
||||
@import "./mixins";
|
||||
@import "./settings";
|
||||
// ---------------------------------------------
|
||||
|
||||
|
||||
// Include theme-specific fonts
|
||||
// @import url(../../lib/font/source-sans-pro/source-sans-pro.css);
|
||||
|
||||
|
||||
// Override theme settings (see ../template/settings.scss)
|
||||
$backgroundColor: #191919;
|
||||
|
||||
//$mainColor: #fff;
|
||||
//$headingColor: #fff;
|
||||
|
||||
$mainFontSize: 42px;
|
||||
//$mainFont: 'Source Sans Pro', Helvetica, sans-serif;
|
||||
//$headingFont: 'Source Sans Pro', Helvetica, sans-serif;
|
||||
$headingTextShadow: none;
|
||||
$headingLetterSpacing: normal;
|
||||
$headingTextTransform: uppercase;
|
||||
$headingFontWeight: 600;
|
||||
$linkColor: #42affa;
|
||||
$linkColorHover: lighten( $linkColor, 15% );
|
||||
$selectionBackgroundColor: lighten( $linkColor, 25% );
|
||||
|
||||
$heading1Size: 2.5em;
|
||||
$heading2Size: 1.6em;
|
||||
$heading3Size: 1.3em;
|
||||
$heading4Size: 1.0em;
|
||||
|
||||
section.has-light-background {
|
||||
&, h1, h2, h3, h4, h5, h6 {
|
||||
color: #222;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Theme template ------------------------------
|
||||
@import "./theme";
|
||||
// ---------------------------------------------
|
||||
1768
app/assets/stylesheets/reveal/global.scss
Normal file
1768
app/assets/stylesheets/reveal/global.scss
Normal file
@ -0,0 +1,1768 @@
|
||||
/*!
|
||||
* reveal.js
|
||||
* http://revealjs.com
|
||||
* MIT licensed
|
||||
*
|
||||
* Copyright (C) 2019 Hakim El Hattab, http://hakim.se
|
||||
*/
|
||||
|
||||
|
||||
/*********************************************
|
||||
* GLOBAL STYLES
|
||||
*********************************************/
|
||||
|
||||
html {
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
height: 100vh;
|
||||
height: calc( var(--vh, 1vh) * 100 );
|
||||
overflow: hidden;
|
||||
}
|
||||
|
||||
body {
|
||||
height: 100%;
|
||||
overflow: hidden;
|
||||
position: relative;
|
||||
line-height: 1;
|
||||
margin: 0;
|
||||
|
||||
background-color: #fff;
|
||||
color: #000;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* VIEW FRAGMENTS
|
||||
*********************************************/
|
||||
|
||||
.reveal .slides section .fragment {
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
transition: all .2s ease;
|
||||
|
||||
&.visible {
|
||||
opacity: 1;
|
||||
visibility: inherit;
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.grow {
|
||||
opacity: 1;
|
||||
visibility: inherit;
|
||||
|
||||
&.visible {
|
||||
transform: scale( 1.3 );
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.shrink {
|
||||
opacity: 1;
|
||||
visibility: inherit;
|
||||
|
||||
&.visible {
|
||||
transform: scale( 0.7 );
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.zoom-in {
|
||||
transform: scale( 0.1 );
|
||||
|
||||
&.visible {
|
||||
transform: none;
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.fade-out {
|
||||
opacity: 1;
|
||||
visibility: inherit;
|
||||
|
||||
&.visible {
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.semi-fade-out {
|
||||
opacity: 1;
|
||||
visibility: inherit;
|
||||
|
||||
&.visible {
|
||||
opacity: 0.5;
|
||||
visibility: inherit;
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.strike {
|
||||
opacity: 1;
|
||||
visibility: inherit;
|
||||
|
||||
&.visible {
|
||||
text-decoration: line-through;
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.fade-up {
|
||||
transform: translate(0, 20%);
|
||||
|
||||
&.visible {
|
||||
transform: translate(0, 0);
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.fade-down {
|
||||
transform: translate(0, -20%);
|
||||
|
||||
&.visible {
|
||||
transform: translate(0, 0);
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.fade-right {
|
||||
transform: translate(-20%, 0);
|
||||
|
||||
&.visible {
|
||||
transform: translate(0, 0);
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.fade-left {
|
||||
transform: translate(20%, 0);
|
||||
|
||||
&.visible {
|
||||
transform: translate(0, 0);
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.fade-in-then-out,
|
||||
.reveal .slides section .fragment.current-visible {
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
|
||||
&.current-fragment {
|
||||
opacity: 1;
|
||||
visibility: inherit;
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.fade-in-then-semi-out {
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
|
||||
&.visible {
|
||||
opacity: 0.5;
|
||||
visibility: inherit;
|
||||
}
|
||||
|
||||
&.current-fragment {
|
||||
opacity: 1;
|
||||
visibility: inherit;
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.highlight-red,
|
||||
.reveal .slides section .fragment.highlight-current-red,
|
||||
.reveal .slides section .fragment.highlight-green,
|
||||
.reveal .slides section .fragment.highlight-current-green,
|
||||
.reveal .slides section .fragment.highlight-blue,
|
||||
.reveal .slides section .fragment.highlight-current-blue {
|
||||
opacity: 1;
|
||||
visibility: inherit;
|
||||
}
|
||||
.reveal .slides section .fragment.highlight-red.visible {
|
||||
color: #ff2c2d
|
||||
}
|
||||
.reveal .slides section .fragment.highlight-green.visible {
|
||||
color: #17ff2e;
|
||||
}
|
||||
.reveal .slides section .fragment.highlight-blue.visible {
|
||||
color: #1b91ff;
|
||||
}
|
||||
|
||||
.reveal .slides section .fragment.highlight-current-red.current-fragment {
|
||||
color: #ff2c2d
|
||||
}
|
||||
.reveal .slides section .fragment.highlight-current-green.current-fragment {
|
||||
color: #17ff2e;
|
||||
}
|
||||
.reveal .slides section .fragment.highlight-current-blue.current-fragment {
|
||||
color: #1b91ff;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* DEFAULT ELEMENT STYLES
|
||||
*********************************************/
|
||||
|
||||
/* Fixes issue in Chrome where italic fonts did not appear when printing to PDF */
|
||||
.reveal:after {
|
||||
content: '';
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.reveal iframe {
|
||||
z-index: 1;
|
||||
}
|
||||
|
||||
/** Prevents layering issues in certain browser/transition combinations */
|
||||
.reveal a {
|
||||
position: relative;
|
||||
}
|
||||
|
||||
.reveal .stretch {
|
||||
max-width: none;
|
||||
max-height: none;
|
||||
}
|
||||
|
||||
.reveal pre.stretch code {
|
||||
height: 100%;
|
||||
max-height: 100%;
|
||||
box-sizing: border-box;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* CONTROLS
|
||||
*********************************************/
|
||||
|
||||
@keyframes bounce-right {
|
||||
0%, 10%, 25%, 40%, 50% {transform: translateX(0);}
|
||||
20% {transform: translateX(10px);}
|
||||
30% {transform: translateX(-5px);}
|
||||
}
|
||||
|
||||
@keyframes bounce-down {
|
||||
0%, 10%, 25%, 40%, 50% {transform: translateY(0);}
|
||||
20% {transform: translateY(10px);}
|
||||
30% {transform: translateY(-5px);}
|
||||
}
|
||||
|
||||
$controlArrowSize: 3.6em;
|
||||
$controlArrowSpacing: 1.4em;
|
||||
$controlArrowLength: 2.6em;
|
||||
$controlArrowThickness: 0.5em;
|
||||
$controlsArrowAngle: 45deg;
|
||||
$controlsArrowAngleHover: 40deg;
|
||||
$controlsArrowAngleActive: 36deg;
|
||||
|
||||
@mixin controlsArrowTransform( $angle ) {
|
||||
&:before {
|
||||
transform: translateX(($controlArrowSize - $controlArrowLength)/2) translateY(($controlArrowSize - $controlArrowThickness)/2) rotate( $angle );
|
||||
}
|
||||
|
||||
&:after {
|
||||
transform: translateX(($controlArrowSize - $controlArrowLength)/2) translateY(($controlArrowSize - $controlArrowThickness)/2) rotate( -$angle );
|
||||
}
|
||||
}
|
||||
|
||||
.reveal .controls {
|
||||
$spacing: 12px;
|
||||
|
||||
display: none;
|
||||
position: absolute;
|
||||
top: auto;
|
||||
bottom: $spacing;
|
||||
right: $spacing;
|
||||
left: auto;
|
||||
z-index: 1;
|
||||
color: #000;
|
||||
pointer-events: none;
|
||||
font-size: 10px;
|
||||
|
||||
button {
|
||||
position: absolute;
|
||||
padding: 0;
|
||||
background-color: transparent;
|
||||
border: 0;
|
||||
outline: 0;
|
||||
cursor: pointer;
|
||||
color: currentColor;
|
||||
transform: scale(.9999);
|
||||
transition: color 0.2s ease,
|
||||
opacity 0.2s ease,
|
||||
transform 0.2s ease;
|
||||
z-index: 2; // above slides
|
||||
pointer-events: auto;
|
||||
font-size: inherit;
|
||||
|
||||
visibility: hidden;
|
||||
opacity: 0;
|
||||
|
||||
-webkit-appearance: none;
|
||||
-webkit-tap-highlight-color: rgba( 0, 0, 0, 0 );
|
||||
}
|
||||
|
||||
.controls-arrow:before,
|
||||
.controls-arrow:after {
|
||||
content: '';
|
||||
position: absolute;
|
||||
top: 0;
|
||||
left: 0;
|
||||
width: $controlArrowLength;
|
||||
height: $controlArrowThickness;
|
||||
border-radius: $controlArrowThickness/2;
|
||||
background-color: currentColor;
|
||||
|
||||
transition: all 0.15s ease, background-color 0.8s ease;
|
||||
transform-origin: floor(($controlArrowThickness/2)*10)/10 50%;
|
||||
will-change: transform;
|
||||
}
|
||||
|
||||
.controls-arrow {
|
||||
position: relative;
|
||||
width: $controlArrowSize;
|
||||
height: $controlArrowSize;
|
||||
|
||||
@include controlsArrowTransform( $controlsArrowAngle );
|
||||
|
||||
&:hover {
|
||||
@include controlsArrowTransform( $controlsArrowAngleHover );
|
||||
}
|
||||
|
||||
&:active {
|
||||
@include controlsArrowTransform( $controlsArrowAngleActive );
|
||||
}
|
||||
}
|
||||
|
||||
.navigate-left {
|
||||
right: $controlArrowSize + $controlArrowSpacing*2;
|
||||
bottom: $controlArrowSpacing + $controlArrowSize/2;
|
||||
transform: translateX( -10px );
|
||||
}
|
||||
|
||||
.navigate-right {
|
||||
right: 0;
|
||||
bottom: $controlArrowSpacing + $controlArrowSize/2;
|
||||
transform: translateX( 10px );
|
||||
|
||||
.controls-arrow {
|
||||
transform: rotate( 180deg );
|
||||
}
|
||||
|
||||
&.highlight {
|
||||
animation: bounce-right 2s 50 both ease-out;
|
||||
}
|
||||
}
|
||||
|
||||
.navigate-up {
|
||||
right: $controlArrowSpacing + $controlArrowSize/2;
|
||||
bottom: $controlArrowSpacing*2 + $controlArrowSize;
|
||||
transform: translateY( -10px );
|
||||
|
||||
.controls-arrow {
|
||||
transform: rotate( 90deg );
|
||||
}
|
||||
}
|
||||
|
||||
.navigate-down {
|
||||
right: $controlArrowSpacing + $controlArrowSize/2;
|
||||
bottom: 0;
|
||||
transform: translateY( 10px );
|
||||
|
||||
.controls-arrow {
|
||||
transform: rotate( -90deg );
|
||||
}
|
||||
|
||||
&.highlight {
|
||||
animation: bounce-down 2s 50 both ease-out;
|
||||
}
|
||||
}
|
||||
|
||||
// Back arrow style: "faded":
|
||||
// Deemphasize backwards navigation arrows in favor of drawing
|
||||
// attention to forwards navigation
|
||||
&[data-controls-back-arrows="faded"] .navigate-left.enabled,
|
||||
&[data-controls-back-arrows="faded"] .navigate-up.enabled {
|
||||
opacity: 0.3;
|
||||
|
||||
&:hover {
|
||||
opacity: 1;
|
||||
}
|
||||
}
|
||||
|
||||
// Back arrow style: "hidden":
|
||||
// Never show arrows for backwards navigation
|
||||
&[data-controls-back-arrows="hidden"] .navigate-left.enabled,
|
||||
&[data-controls-back-arrows="hidden"] .navigate-up.enabled {
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
}
|
||||
|
||||
// Any control button that can be clicked is "enabled"
|
||||
.enabled {
|
||||
visibility: visible;
|
||||
opacity: 0.9;
|
||||
cursor: pointer;
|
||||
transform: none;
|
||||
}
|
||||
|
||||
// Any control button that leads to showing or hiding
|
||||
// a fragment
|
||||
.enabled.fragmented {
|
||||
opacity: 0.5;
|
||||
}
|
||||
|
||||
.enabled:hover,
|
||||
.enabled.fragmented:hover {
|
||||
opacity: 1;
|
||||
}
|
||||
}
|
||||
|
||||
.reveal[data-navigation-mode="linear"].has-horizontal-slides .navigate-up,
|
||||
.reveal[data-navigation-mode="linear"].has-horizontal-slides .navigate-down {
|
||||
display: none;
|
||||
}
|
||||
|
||||
// Adjust the layout when there are no vertical slides
|
||||
.reveal[data-navigation-mode="linear"].has-horizontal-slides .navigate-left,
|
||||
.reveal:not(.has-vertical-slides) .controls .navigate-left {
|
||||
bottom: $controlArrowSpacing;
|
||||
right: 0.5em + $controlArrowSpacing + $controlArrowSize;
|
||||
}
|
||||
|
||||
.reveal[data-navigation-mode="linear"].has-horizontal-slides .navigate-right,
|
||||
.reveal:not(.has-vertical-slides) .controls .navigate-right {
|
||||
bottom: $controlArrowSpacing;
|
||||
right: 0.5em;
|
||||
}
|
||||
|
||||
// Adjust the layout when there are no horizontal slides
|
||||
.reveal:not(.has-horizontal-slides) .controls .navigate-up {
|
||||
right: $controlArrowSpacing;
|
||||
bottom: $controlArrowSpacing + $controlArrowSize;
|
||||
}
|
||||
.reveal:not(.has-horizontal-slides) .controls .navigate-down {
|
||||
right: $controlArrowSpacing;
|
||||
bottom: 0.5em;
|
||||
}
|
||||
|
||||
// Invert arrows based on background color
|
||||
.reveal.has-dark-background .controls {
|
||||
color: #fff;
|
||||
}
|
||||
.reveal.has-light-background .controls {
|
||||
color: #000;
|
||||
}
|
||||
|
||||
// Disable active states on touch devices
|
||||
.reveal.no-hover .controls .controls-arrow:hover,
|
||||
.reveal.no-hover .controls .controls-arrow:active {
|
||||
@include controlsArrowTransform( $controlsArrowAngle );
|
||||
}
|
||||
|
||||
// Edge aligned controls layout
|
||||
@media screen and (min-width: 500px) {
|
||||
|
||||
$spacing: 8px;
|
||||
|
||||
.reveal .controls[data-controls-layout="edges"] {
|
||||
& {
|
||||
top: 0;
|
||||
right: 0;
|
||||
bottom: 0;
|
||||
left: 0;
|
||||
}
|
||||
|
||||
.navigate-left,
|
||||
.navigate-right,
|
||||
.navigate-up,
|
||||
.navigate-down {
|
||||
bottom: auto;
|
||||
right: auto;
|
||||
}
|
||||
|
||||
.navigate-left {
|
||||
top: 50%;
|
||||
left: $spacing;
|
||||
margin-top: -$controlArrowSize/2;
|
||||
}
|
||||
|
||||
.navigate-right {
|
||||
top: 50%;
|
||||
right: $spacing;
|
||||
margin-top: -$controlArrowSize/2;
|
||||
}
|
||||
|
||||
.navigate-up {
|
||||
top: $spacing;
|
||||
left: 50%;
|
||||
margin-left: -$controlArrowSize/2;
|
||||
}
|
||||
|
||||
.navigate-down {
|
||||
bottom: $spacing;
|
||||
left: 50%;
|
||||
margin-left: -$controlArrowSize/2;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* PROGRESS BAR
|
||||
*********************************************/
|
||||
|
||||
.reveal .progress {
|
||||
position: absolute;
|
||||
display: none;
|
||||
height: 3px;
|
||||
width: 100%;
|
||||
bottom: 0;
|
||||
left: 0;
|
||||
z-index: 10;
|
||||
|
||||
background-color: rgba( 0, 0, 0, 0.2 );
|
||||
color: #fff;
|
||||
}
|
||||
.reveal .progress:after {
|
||||
content: '';
|
||||
display: block;
|
||||
position: absolute;
|
||||
height: 10px;
|
||||
width: 100%;
|
||||
top: -10px;
|
||||
}
|
||||
.reveal .progress span {
|
||||
display: block;
|
||||
height: 100%;
|
||||
width: 0px;
|
||||
|
||||
background-color: currentColor;
|
||||
transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
|
||||
}
|
||||
|
||||
/*********************************************
|
||||
* SLIDE NUMBER
|
||||
*********************************************/
|
||||
|
||||
.reveal .slide-number {
|
||||
position: absolute;
|
||||
display: block;
|
||||
right: 8px;
|
||||
bottom: 8px;
|
||||
z-index: 31;
|
||||
font-family: Helvetica, sans-serif;
|
||||
font-size: 12px;
|
||||
line-height: 1;
|
||||
color: #fff;
|
||||
background-color: rgba( 0, 0, 0, 0.4 );
|
||||
padding: 5px;
|
||||
}
|
||||
|
||||
.reveal .slide-number a {
|
||||
color: currentColor;
|
||||
}
|
||||
|
||||
.reveal .slide-number-delimiter {
|
||||
margin: 0 3px;
|
||||
}
|
||||
|
||||
/*********************************************
|
||||
* SLIDES
|
||||
*********************************************/
|
||||
|
||||
.reveal {
|
||||
position: relative;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
overflow: hidden;
|
||||
touch-action: pinch-zoom;
|
||||
}
|
||||
|
||||
.reveal .slides {
|
||||
position: absolute;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
top: 0;
|
||||
right: 0;
|
||||
bottom: 0;
|
||||
left: 0;
|
||||
margin: auto;
|
||||
pointer-events: none;
|
||||
|
||||
overflow: visible;
|
||||
z-index: 1;
|
||||
text-align: center;
|
||||
perspective: 600px;
|
||||
perspective-origin: 50% 40%;
|
||||
}
|
||||
|
||||
.reveal .slides>section {
|
||||
perspective: 600px;
|
||||
}
|
||||
|
||||
.reveal .slides>section,
|
||||
.reveal .slides>section>section {
|
||||
display: none;
|
||||
position: absolute;
|
||||
width: 100%;
|
||||
padding: 20px 0px;
|
||||
pointer-events: auto;
|
||||
|
||||
z-index: 10;
|
||||
transform-style: flat;
|
||||
transition: transform-origin 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985),
|
||||
transform 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985),
|
||||
visibility 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985),
|
||||
opacity 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
|
||||
}
|
||||
|
||||
/* Global transition speed settings */
|
||||
.reveal[data-transition-speed="fast"] .slides section {
|
||||
transition-duration: 400ms;
|
||||
}
|
||||
.reveal[data-transition-speed="slow"] .slides section {
|
||||
transition-duration: 1200ms;
|
||||
}
|
||||
|
||||
/* Slide-specific transition speed overrides */
|
||||
.reveal .slides section[data-transition-speed="fast"] {
|
||||
transition-duration: 400ms;
|
||||
}
|
||||
.reveal .slides section[data-transition-speed="slow"] {
|
||||
transition-duration: 1200ms;
|
||||
}
|
||||
|
||||
.reveal .slides>section.stack {
|
||||
padding-top: 0;
|
||||
padding-bottom: 0;
|
||||
pointer-events: none;
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
.reveal .slides>section.present,
|
||||
.reveal .slides>section>section.present {
|
||||
display: block;
|
||||
z-index: 11;
|
||||
opacity: 1;
|
||||
}
|
||||
|
||||
.reveal .slides>section:empty,
|
||||
.reveal .slides>section>section:empty,
|
||||
.reveal .slides>section[data-background-interactive],
|
||||
.reveal .slides>section>section[data-background-interactive] {
|
||||
pointer-events: none;
|
||||
}
|
||||
|
||||
.reveal.center,
|
||||
.reveal.center .slides,
|
||||
.reveal.center .slides section {
|
||||
min-height: 0 !important;
|
||||
}
|
||||
|
||||
/* Don't allow interaction with invisible slides */
|
||||
.reveal .slides>section.future,
|
||||
.reveal .slides>section>section.future,
|
||||
.reveal .slides>section.past,
|
||||
.reveal .slides>section>section.past {
|
||||
pointer-events: none;
|
||||
}
|
||||
|
||||
.reveal.overview .slides>section,
|
||||
.reveal.overview .slides>section>section {
|
||||
pointer-events: auto;
|
||||
}
|
||||
|
||||
.reveal .slides>section.past,
|
||||
.reveal .slides>section.future,
|
||||
.reveal .slides>section>section.past,
|
||||
.reveal .slides>section>section.future {
|
||||
opacity: 0;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* Mixins for readability of transitions
|
||||
*********************************************/
|
||||
|
||||
@mixin transition-global($style) {
|
||||
.reveal .slides section[data-transition=#{$style}],
|
||||
.reveal.#{$style} .slides section:not([data-transition]) {
|
||||
@content;
|
||||
}
|
||||
}
|
||||
@mixin transition-stack($style) {
|
||||
.reveal .slides section[data-transition=#{$style}].stack,
|
||||
.reveal.#{$style} .slides section.stack {
|
||||
@content;
|
||||
}
|
||||
}
|
||||
@mixin transition-horizontal-past($style) {
|
||||
.reveal .slides>section[data-transition=#{$style}].past,
|
||||
.reveal .slides>section[data-transition~=#{$style}-out].past,
|
||||
.reveal.#{$style} .slides>section:not([data-transition]).past {
|
||||
@content;
|
||||
}
|
||||
}
|
||||
@mixin transition-horizontal-future($style) {
|
||||
.reveal .slides>section[data-transition=#{$style}].future,
|
||||
.reveal .slides>section[data-transition~=#{$style}-in].future,
|
||||
.reveal.#{$style} .slides>section:not([data-transition]).future {
|
||||
@content;
|
||||
}
|
||||
}
|
||||
|
||||
@mixin transition-vertical-past($style) {
|
||||
.reveal .slides>section>section[data-transition=#{$style}].past,
|
||||
.reveal .slides>section>section[data-transition~=#{$style}-out].past,
|
||||
.reveal.#{$style} .slides>section>section:not([data-transition]).past {
|
||||
@content;
|
||||
}
|
||||
}
|
||||
@mixin transition-vertical-future($style) {
|
||||
.reveal .slides>section>section[data-transition=#{$style}].future,
|
||||
.reveal .slides>section>section[data-transition~=#{$style}-in].future,
|
||||
.reveal.#{$style} .slides>section>section:not([data-transition]).future {
|
||||
@content;
|
||||
}
|
||||
}
|
||||
|
||||
/*********************************************
|
||||
* SLIDE TRANSITION
|
||||
* Aliased 'linear' for backwards compatibility
|
||||
*********************************************/
|
||||
|
||||
@each $stylename in slide, linear {
|
||||
.reveal.#{$stylename} section {
|
||||
backface-visibility: hidden;
|
||||
}
|
||||
@include transition-horizontal-past(#{$stylename}) {
|
||||
transform: translate(-150%, 0);
|
||||
}
|
||||
@include transition-horizontal-future(#{$stylename}) {
|
||||
transform: translate(150%, 0);
|
||||
}
|
||||
@include transition-vertical-past(#{$stylename}) {
|
||||
transform: translate(0, -150%);
|
||||
}
|
||||
@include transition-vertical-future(#{$stylename}) {
|
||||
transform: translate(0, 150%);
|
||||
}
|
||||
}
|
||||
|
||||
/*********************************************
|
||||
* CONVEX TRANSITION
|
||||
* Aliased 'default' for backwards compatibility
|
||||
*********************************************/
|
||||
|
||||
@each $stylename in default, convex {
|
||||
@include transition-stack(#{$stylename}) {
|
||||
transform-style: preserve-3d;
|
||||
}
|
||||
|
||||
@include transition-horizontal-past(#{$stylename}) {
|
||||
transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0);
|
||||
}
|
||||
@include transition-horizontal-future(#{$stylename}) {
|
||||
transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0);
|
||||
}
|
||||
@include transition-vertical-past(#{$stylename}) {
|
||||
transform: translate3d(0, -300px, 0) rotateX(70deg) translate3d(0, -300px, 0);
|
||||
}
|
||||
@include transition-vertical-future(#{$stylename}) {
|
||||
transform: translate3d(0, 300px, 0) rotateX(-70deg) translate3d(0, 300px, 0);
|
||||
}
|
||||
}
|
||||
|
||||
/*********************************************
|
||||
* CONCAVE TRANSITION
|
||||
*********************************************/
|
||||
|
||||
@include transition-stack(concave) {
|
||||
transform-style: preserve-3d;
|
||||
}
|
||||
|
||||
@include transition-horizontal-past(concave) {
|
||||
transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0);
|
||||
}
|
||||
@include transition-horizontal-future(concave) {
|
||||
transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0);
|
||||
}
|
||||
@include transition-vertical-past(concave) {
|
||||
transform: translate3d(0, -80%, 0) rotateX(-70deg) translate3d(0, -80%, 0);
|
||||
}
|
||||
@include transition-vertical-future(concave) {
|
||||
transform: translate3d(0, 80%, 0) rotateX(70deg) translate3d(0, 80%, 0);
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* ZOOM TRANSITION
|
||||
*********************************************/
|
||||
|
||||
@include transition-global(zoom) {
|
||||
transition-timing-function: ease;
|
||||
}
|
||||
@include transition-horizontal-past(zoom) {
|
||||
visibility: hidden;
|
||||
transform: scale(16);
|
||||
}
|
||||
@include transition-horizontal-future(zoom) {
|
||||
visibility: hidden;
|
||||
transform: scale(0.2);
|
||||
}
|
||||
@include transition-vertical-past(zoom) {
|
||||
transform: scale(16);
|
||||
}
|
||||
@include transition-vertical-future(zoom) {
|
||||
transform: scale(0.2);
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* CUBE TRANSITION
|
||||
*
|
||||
* WARNING:
|
||||
* this is deprecated and will be removed in a
|
||||
* future version.
|
||||
*********************************************/
|
||||
|
||||
.reveal.cube .slides {
|
||||
perspective: 1300px;
|
||||
}
|
||||
|
||||
.reveal.cube .slides section {
|
||||
padding: 30px;
|
||||
min-height: 700px;
|
||||
backface-visibility: hidden;
|
||||
box-sizing: border-box;
|
||||
transform-style: preserve-3d;
|
||||
}
|
||||
.reveal.center.cube .slides section {
|
||||
min-height: 0;
|
||||
}
|
||||
.reveal.cube .slides section:not(.stack):before {
|
||||
content: '';
|
||||
position: absolute;
|
||||
display: block;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
left: 0;
|
||||
top: 0;
|
||||
background: rgba(0,0,0,0.1);
|
||||
border-radius: 4px;
|
||||
transform: translateZ( -20px );
|
||||
}
|
||||
.reveal.cube .slides section:not(.stack):after {
|
||||
content: '';
|
||||
position: absolute;
|
||||
display: block;
|
||||
width: 90%;
|
||||
height: 30px;
|
||||
left: 5%;
|
||||
bottom: 0;
|
||||
background: none;
|
||||
z-index: 1;
|
||||
|
||||
border-radius: 4px;
|
||||
box-shadow: 0px 95px 25px rgba(0,0,0,0.2);
|
||||
transform: translateZ(-90px) rotateX( 65deg );
|
||||
}
|
||||
|
||||
.reveal.cube .slides>section.stack {
|
||||
padding: 0;
|
||||
background: none;
|
||||
}
|
||||
|
||||
.reveal.cube .slides>section.past {
|
||||
transform-origin: 100% 0%;
|
||||
transform: translate3d(-100%, 0, 0) rotateY(-90deg);
|
||||
}
|
||||
|
||||
.reveal.cube .slides>section.future {
|
||||
transform-origin: 0% 0%;
|
||||
transform: translate3d(100%, 0, 0) rotateY(90deg);
|
||||
}
|
||||
|
||||
.reveal.cube .slides>section>section.past {
|
||||
transform-origin: 0% 100%;
|
||||
transform: translate3d(0, -100%, 0) rotateX(90deg);
|
||||
}
|
||||
|
||||
.reveal.cube .slides>section>section.future {
|
||||
transform-origin: 0% 0%;
|
||||
transform: translate3d(0, 100%, 0) rotateX(-90deg);
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* PAGE TRANSITION
|
||||
*
|
||||
* WARNING:
|
||||
* this is deprecated and will be removed in a
|
||||
* future version.
|
||||
*********************************************/
|
||||
|
||||
.reveal.page .slides {
|
||||
perspective-origin: 0% 50%;
|
||||
perspective: 3000px;
|
||||
}
|
||||
|
||||
.reveal.page .slides section {
|
||||
padding: 30px;
|
||||
min-height: 700px;
|
||||
box-sizing: border-box;
|
||||
transform-style: preserve-3d;
|
||||
}
|
||||
.reveal.page .slides section.past {
|
||||
z-index: 12;
|
||||
}
|
||||
.reveal.page .slides section:not(.stack):before {
|
||||
content: '';
|
||||
position: absolute;
|
||||
display: block;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
left: 0;
|
||||
top: 0;
|
||||
background: rgba(0,0,0,0.1);
|
||||
transform: translateZ( -20px );
|
||||
}
|
||||
.reveal.page .slides section:not(.stack):after {
|
||||
content: '';
|
||||
position: absolute;
|
||||
display: block;
|
||||
width: 90%;
|
||||
height: 30px;
|
||||
left: 5%;
|
||||
bottom: 0;
|
||||
background: none;
|
||||
z-index: 1;
|
||||
|
||||
border-radius: 4px;
|
||||
box-shadow: 0px 95px 25px rgba(0,0,0,0.2);
|
||||
|
||||
-webkit-transform: translateZ(-90px) rotateX( 65deg );
|
||||
}
|
||||
|
||||
.reveal.page .slides>section.stack {
|
||||
padding: 0;
|
||||
background: none;
|
||||
}
|
||||
|
||||
.reveal.page .slides>section.past {
|
||||
transform-origin: 0% 0%;
|
||||
transform: translate3d(-40%, 0, 0) rotateY(-80deg);
|
||||
}
|
||||
|
||||
.reveal.page .slides>section.future {
|
||||
transform-origin: 100% 0%;
|
||||
transform: translate3d(0, 0, 0);
|
||||
}
|
||||
|
||||
.reveal.page .slides>section>section.past {
|
||||
transform-origin: 0% 0%;
|
||||
transform: translate3d(0, -40%, 0) rotateX(80deg);
|
||||
}
|
||||
|
||||
.reveal.page .slides>section>section.future {
|
||||
transform-origin: 0% 100%;
|
||||
transform: translate3d(0, 0, 0);
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* FADE TRANSITION
|
||||
*********************************************/
|
||||
|
||||
.reveal .slides section[data-transition=fade],
|
||||
.reveal.fade .slides section:not([data-transition]),
|
||||
.reveal.fade .slides>section>section:not([data-transition]) {
|
||||
transform: none;
|
||||
transition: opacity 0.5s;
|
||||
}
|
||||
|
||||
|
||||
.reveal.fade.overview .slides section,
|
||||
.reveal.fade.overview .slides>section>section {
|
||||
transition: none;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* NO TRANSITION
|
||||
*********************************************/
|
||||
|
||||
@include transition-global(none) {
|
||||
transform: none;
|
||||
transition: none;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* PAUSED MODE
|
||||
*********************************************/
|
||||
|
||||
.reveal .pause-overlay {
|
||||
position: absolute;
|
||||
top: 0;
|
||||
left: 0;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
background: black;
|
||||
visibility: hidden;
|
||||
opacity: 0;
|
||||
z-index: 100;
|
||||
transition: all 1s ease;
|
||||
}
|
||||
|
||||
.reveal .pause-overlay .resume-button {
|
||||
position: absolute;
|
||||
bottom: 20px;
|
||||
right: 20px;
|
||||
color: #ccc;
|
||||
border-radius: 2px;
|
||||
padding: 6px 14px;
|
||||
border: 2px solid #ccc;
|
||||
font-size: 16px;
|
||||
background: transparent;
|
||||
cursor: pointer;
|
||||
|
||||
&:hover {
|
||||
color: #fff;
|
||||
border-color: #fff;
|
||||
}
|
||||
}
|
||||
|
||||
.reveal.paused .pause-overlay {
|
||||
visibility: visible;
|
||||
opacity: 1;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* FALLBACK
|
||||
*********************************************/
|
||||
|
||||
.no-transforms {
|
||||
overflow-y: auto;
|
||||
}
|
||||
|
||||
.no-transforms .reveal {
|
||||
overflow: visible;
|
||||
}
|
||||
|
||||
.no-transforms .reveal .slides {
|
||||
position: relative;
|
||||
width: 80%;
|
||||
max-width: 1280px;
|
||||
height: auto;
|
||||
top: 0;
|
||||
margin: 0 auto;
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.no-transforms .reveal .controls,
|
||||
.no-transforms .reveal .progress {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.no-transforms .reveal .slides section {
|
||||
display: block;
|
||||
opacity: 1;
|
||||
position: relative;
|
||||
height: auto;
|
||||
min-height: 0;
|
||||
top: 0;
|
||||
left: 0;
|
||||
margin: 10vh 0;
|
||||
margin: 70px 0;
|
||||
transform: none;
|
||||
}
|
||||
|
||||
.reveal .no-transition,
|
||||
.reveal .no-transition * {
|
||||
transition: none !important;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* PER-SLIDE BACKGROUNDS
|
||||
*********************************************/
|
||||
|
||||
.reveal .backgrounds {
|
||||
position: absolute;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
top: 0;
|
||||
left: 0;
|
||||
perspective: 600px;
|
||||
}
|
||||
.reveal .slide-background {
|
||||
display: none;
|
||||
position: absolute;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
overflow: hidden;
|
||||
|
||||
background-color: rgba( 0, 0, 0, 0 );
|
||||
|
||||
transition: all 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
|
||||
}
|
||||
|
||||
.reveal .slide-background-content {
|
||||
position: absolute;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
|
||||
background-position: 50% 50%;
|
||||
background-repeat: no-repeat;
|
||||
background-size: cover;
|
||||
}
|
||||
|
||||
.reveal .slide-background.stack {
|
||||
display: block;
|
||||
}
|
||||
|
||||
.reveal .slide-background.present {
|
||||
opacity: 1;
|
||||
visibility: visible;
|
||||
z-index: 2;
|
||||
}
|
||||
|
||||
.print-pdf .reveal .slide-background {
|
||||
opacity: 1 !important;
|
||||
visibility: visible !important;
|
||||
}
|
||||
|
||||
/* Video backgrounds */
|
||||
.reveal .slide-background video {
|
||||
position: absolute;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
max-width: none;
|
||||
max-height: none;
|
||||
top: 0;
|
||||
left: 0;
|
||||
object-fit: cover;
|
||||
}
|
||||
.reveal .slide-background[data-background-size="contain"] video {
|
||||
object-fit: contain;
|
||||
}
|
||||
|
||||
/* Immediate transition style */
|
||||
.reveal[data-background-transition=none]>.backgrounds .slide-background,
|
||||
.reveal>.backgrounds .slide-background[data-background-transition=none] {
|
||||
transition: none;
|
||||
}
|
||||
|
||||
/* Slide */
|
||||
.reveal[data-background-transition=slide]>.backgrounds .slide-background,
|
||||
.reveal>.backgrounds .slide-background[data-background-transition=slide] {
|
||||
opacity: 1;
|
||||
backface-visibility: hidden;
|
||||
}
|
||||
.reveal[data-background-transition=slide]>.backgrounds .slide-background.past,
|
||||
.reveal>.backgrounds .slide-background.past[data-background-transition=slide] {
|
||||
transform: translate(-100%, 0);
|
||||
}
|
||||
.reveal[data-background-transition=slide]>.backgrounds .slide-background.future,
|
||||
.reveal>.backgrounds .slide-background.future[data-background-transition=slide] {
|
||||
transform: translate(100%, 0);
|
||||
}
|
||||
|
||||
.reveal[data-background-transition=slide]>.backgrounds .slide-background>.slide-background.past,
|
||||
.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=slide] {
|
||||
transform: translate(0, -100%);
|
||||
}
|
||||
.reveal[data-background-transition=slide]>.backgrounds .slide-background>.slide-background.future,
|
||||
.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=slide] {
|
||||
transform: translate(0, 100%);
|
||||
}
|
||||
|
||||
|
||||
/* Convex */
|
||||
.reveal[data-background-transition=convex]>.backgrounds .slide-background.past,
|
||||
.reveal>.backgrounds .slide-background.past[data-background-transition=convex] {
|
||||
opacity: 0;
|
||||
transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0);
|
||||
}
|
||||
.reveal[data-background-transition=convex]>.backgrounds .slide-background.future,
|
||||
.reveal>.backgrounds .slide-background.future[data-background-transition=convex] {
|
||||
opacity: 0;
|
||||
transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0);
|
||||
}
|
||||
|
||||
.reveal[data-background-transition=convex]>.backgrounds .slide-background>.slide-background.past,
|
||||
.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=convex] {
|
||||
opacity: 0;
|
||||
transform: translate3d(0, -100%, 0) rotateX(90deg) translate3d(0, -100%, 0);
|
||||
}
|
||||
.reveal[data-background-transition=convex]>.backgrounds .slide-background>.slide-background.future,
|
||||
.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=convex] {
|
||||
opacity: 0;
|
||||
transform: translate3d(0, 100%, 0) rotateX(-90deg) translate3d(0, 100%, 0);
|
||||
}
|
||||
|
||||
|
||||
/* Concave */
|
||||
.reveal[data-background-transition=concave]>.backgrounds .slide-background.past,
|
||||
.reveal>.backgrounds .slide-background.past[data-background-transition=concave] {
|
||||
opacity: 0;
|
||||
transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0);
|
||||
}
|
||||
.reveal[data-background-transition=concave]>.backgrounds .slide-background.future,
|
||||
.reveal>.backgrounds .slide-background.future[data-background-transition=concave] {
|
||||
opacity: 0;
|
||||
transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0);
|
||||
}
|
||||
|
||||
.reveal[data-background-transition=concave]>.backgrounds .slide-background>.slide-background.past,
|
||||
.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=concave] {
|
||||
opacity: 0;
|
||||
transform: translate3d(0, -100%, 0) rotateX(-90deg) translate3d(0, -100%, 0);
|
||||
}
|
||||
.reveal[data-background-transition=concave]>.backgrounds .slide-background>.slide-background.future,
|
||||
.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=concave] {
|
||||
opacity: 0;
|
||||
transform: translate3d(0, 100%, 0) rotateX(90deg) translate3d(0, 100%, 0);
|
||||
}
|
||||
|
||||
/* Zoom */
|
||||
.reveal[data-background-transition=zoom]>.backgrounds .slide-background,
|
||||
.reveal>.backgrounds .slide-background[data-background-transition=zoom] {
|
||||
transition-timing-function: ease;
|
||||
}
|
||||
|
||||
.reveal[data-background-transition=zoom]>.backgrounds .slide-background.past,
|
||||
.reveal>.backgrounds .slide-background.past[data-background-transition=zoom] {
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
transform: scale(16);
|
||||
}
|
||||
.reveal[data-background-transition=zoom]>.backgrounds .slide-background.future,
|
||||
.reveal>.backgrounds .slide-background.future[data-background-transition=zoom] {
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
transform: scale(0.2);
|
||||
}
|
||||
|
||||
.reveal[data-background-transition=zoom]>.backgrounds .slide-background>.slide-background.past,
|
||||
.reveal>.backgrounds .slide-background>.slide-background.past[data-background-transition=zoom] {
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
transform: scale(16);
|
||||
}
|
||||
.reveal[data-background-transition=zoom]>.backgrounds .slide-background>.slide-background.future,
|
||||
.reveal>.backgrounds .slide-background>.slide-background.future[data-background-transition=zoom] {
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
transform: scale(0.2);
|
||||
}
|
||||
|
||||
|
||||
/* Global transition speed settings */
|
||||
.reveal[data-transition-speed="fast"]>.backgrounds .slide-background {
|
||||
transition-duration: 400ms;
|
||||
}
|
||||
.reveal[data-transition-speed="slow"]>.backgrounds .slide-background {
|
||||
transition-duration: 1200ms;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* OVERVIEW
|
||||
*********************************************/
|
||||
|
||||
.reveal.overview {
|
||||
perspective-origin: 50% 50%;
|
||||
perspective: 700px;
|
||||
|
||||
.slides {
|
||||
// Fixes overview rendering errors in FF48+, not applied to
|
||||
// other browsers since it degrades performance
|
||||
-moz-transform-style: preserve-3d;
|
||||
}
|
||||
|
||||
.slides section {
|
||||
height: 100%;
|
||||
top: 0 !important;
|
||||
opacity: 1 !important;
|
||||
overflow: hidden;
|
||||
visibility: visible !important;
|
||||
cursor: pointer;
|
||||
box-sizing: border-box;
|
||||
}
|
||||
.slides section:hover,
|
||||
.slides section.present {
|
||||
outline: 10px solid rgba(150,150,150,0.4);
|
||||
outline-offset: 10px;
|
||||
}
|
||||
.slides section .fragment {
|
||||
opacity: 1;
|
||||
transition: none;
|
||||
}
|
||||
.slides section:after,
|
||||
.slides section:before {
|
||||
display: none !important;
|
||||
}
|
||||
.slides>section.stack {
|
||||
padding: 0;
|
||||
top: 0 !important;
|
||||
background: none;
|
||||
outline: none;
|
||||
overflow: visible;
|
||||
}
|
||||
|
||||
.backgrounds {
|
||||
perspective: inherit;
|
||||
|
||||
// Fixes overview rendering errors in FF48+, not applied to
|
||||
// other browsers since it degrades performance
|
||||
-moz-transform-style: preserve-3d;
|
||||
}
|
||||
|
||||
.backgrounds .slide-background {
|
||||
opacity: 1;
|
||||
visibility: visible;
|
||||
|
||||
// This can't be applied to the slide itself in Safari
|
||||
outline: 10px solid rgba(150,150,150,0.1);
|
||||
outline-offset: 10px;
|
||||
}
|
||||
|
||||
.backgrounds .slide-background.stack {
|
||||
overflow: visible;
|
||||
}
|
||||
}
|
||||
|
||||
// Disable transitions transitions while we're activating
|
||||
// or deactivating the overview mode.
|
||||
.reveal.overview .slides section,
|
||||
.reveal.overview-deactivating .slides section {
|
||||
transition: none;
|
||||
}
|
||||
|
||||
.reveal.overview .backgrounds .slide-background,
|
||||
.reveal.overview-deactivating .backgrounds .slide-background {
|
||||
transition: none;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* RTL SUPPORT
|
||||
*********************************************/
|
||||
|
||||
.reveal.rtl .slides,
|
||||
.reveal.rtl .slides h1,
|
||||
.reveal.rtl .slides h2,
|
||||
.reveal.rtl .slides h3,
|
||||
.reveal.rtl .slides h4,
|
||||
.reveal.rtl .slides h5,
|
||||
.reveal.rtl .slides h6 {
|
||||
direction: rtl;
|
||||
font-family: sans-serif;
|
||||
}
|
||||
|
||||
.reveal.rtl pre,
|
||||
.reveal.rtl code {
|
||||
direction: ltr;
|
||||
}
|
||||
|
||||
.reveal.rtl ol,
|
||||
.reveal.rtl ul {
|
||||
text-align: right;
|
||||
}
|
||||
|
||||
.reveal.rtl .progress span {
|
||||
float: right
|
||||
}
|
||||
|
||||
/*********************************************
|
||||
* PARALLAX BACKGROUND
|
||||
*********************************************/
|
||||
|
||||
.reveal.has-parallax-background .backgrounds {
|
||||
transition: all 0.8s ease;
|
||||
}
|
||||
|
||||
/* Global transition speed settings */
|
||||
.reveal.has-parallax-background[data-transition-speed="fast"] .backgrounds {
|
||||
transition-duration: 400ms;
|
||||
}
|
||||
.reveal.has-parallax-background[data-transition-speed="slow"] .backgrounds {
|
||||
transition-duration: 1200ms;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* OVERLAY FOR LINK PREVIEWS AND HELP
|
||||
*********************************************/
|
||||
|
||||
.reveal > .overlay {
|
||||
position: absolute;
|
||||
top: 0;
|
||||
left: 0;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
z-index: 1000;
|
||||
background: rgba( 0, 0, 0, 0.9 );
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
transition: all 0.3s ease;
|
||||
}
|
||||
.reveal > .overlay.visible {
|
||||
opacity: 1;
|
||||
visibility: visible;
|
||||
}
|
||||
|
||||
.reveal > .overlay .spinner {
|
||||
position: absolute;
|
||||
display: block;
|
||||
top: 50%;
|
||||
left: 50%;
|
||||
width: 32px;
|
||||
height: 32px;
|
||||
margin: -16px 0 0 -16px;
|
||||
z-index: 10;
|
||||
background-image: url(data:image/gif;base64,R0lGODlhIAAgAPMAAJmZmf%2F%2F%2F6%2Bvr8nJybW1tcDAwOjo6Nvb26ioqKOjo7Ozs%2FLy8vz8%2FAAAAAAAAAAAACH%2FC05FVFNDQVBFMi4wAwEAAAAh%2FhpDcmVhdGVkIHdpdGggYWpheGxvYWQuaW5mbwAh%2BQQJCgAAACwAAAAAIAAgAAAE5xDISWlhperN52JLhSSdRgwVo1ICQZRUsiwHpTJT4iowNS8vyW2icCF6k8HMMBkCEDskxTBDAZwuAkkqIfxIQyhBQBFvAQSDITM5VDW6XNE4KagNh6Bgwe60smQUB3d4Rz1ZBApnFASDd0hihh12BkE9kjAJVlycXIg7CQIFA6SlnJ87paqbSKiKoqusnbMdmDC2tXQlkUhziYtyWTxIfy6BE8WJt5YJvpJivxNaGmLHT0VnOgSYf0dZXS7APdpB309RnHOG5gDqXGLDaC457D1zZ%2FV%2FnmOM82XiHRLYKhKP1oZmADdEAAAh%2BQQJCgAAACwAAAAAIAAgAAAE6hDISWlZpOrNp1lGNRSdRpDUolIGw5RUYhhHukqFu8DsrEyqnWThGvAmhVlteBvojpTDDBUEIFwMFBRAmBkSgOrBFZogCASwBDEY%2FCZSg7GSE0gSCjQBMVG023xWBhklAnoEdhQEfyNqMIcKjhRsjEdnezB%2BA4k8gTwJhFuiW4dokXiloUepBAp5qaKpp6%2BHo7aWW54wl7obvEe0kRuoplCGepwSx2jJvqHEmGt6whJpGpfJCHmOoNHKaHx61WiSR92E4lbFoq%2BB6QDtuetcaBPnW6%2BO7wDHpIiK9SaVK5GgV543tzjgGcghAgAh%2BQQJCgAAACwAAAAAIAAgAAAE7hDISSkxpOrN5zFHNWRdhSiVoVLHspRUMoyUakyEe8PTPCATW9A14E0UvuAKMNAZKYUZCiBMuBakSQKG8G2FzUWox2AUtAQFcBKlVQoLgQReZhQlCIJesQXI5B0CBnUMOxMCenoCfTCEWBsJColTMANldx15BGs8B5wlCZ9Po6OJkwmRpnqkqnuSrayqfKmqpLajoiW5HJq7FL1Gr2mMMcKUMIiJgIemy7xZtJsTmsM4xHiKv5KMCXqfyUCJEonXPN2rAOIAmsfB3uPoAK%2B%2BG%2Bw48edZPK%2BM6hLJpQg484enXIdQFSS1u6UhksENEQAAIfkECQoAAAAsAAAAACAAIAAABOcQyEmpGKLqzWcZRVUQnZYg1aBSh2GUVEIQ2aQOE%2BG%2BcD4ntpWkZQj1JIiZIogDFFyHI0UxQwFugMSOFIPJftfVAEoZLBbcLEFhlQiqGp1Vd140AUklUN3eCA51C1EWMzMCezCBBmkxVIVHBWd3HHl9JQOIJSdSnJ0TDKChCwUJjoWMPaGqDKannasMo6WnM562R5YluZRwur0wpgqZE7NKUm%2BFNRPIhjBJxKZteWuIBMN4zRMIVIhffcgojwCF117i4nlLnY5ztRLsnOk%2BaV%2BoJY7V7m76PdkS4trKcdg0Zc0tTcKkRAAAIfkECQoAAAAsAAAAACAAIAAABO4QyEkpKqjqzScpRaVkXZWQEximw1BSCUEIlDohrft6cpKCk5xid5MNJTaAIkekKGQkWyKHkvhKsR7ARmitkAYDYRIbUQRQjWBwJRzChi9CRlBcY1UN4g0%2FVNB0AlcvcAYHRyZPdEQFYV8ccwR5HWxEJ02YmRMLnJ1xCYp0Y5idpQuhopmmC2KgojKasUQDk5BNAwwMOh2RtRq5uQuPZKGIJQIGwAwGf6I0JXMpC8C7kXWDBINFMxS4DKMAWVWAGYsAdNqW5uaRxkSKJOZKaU3tPOBZ4DuK2LATgJhkPJMgTwKCdFjyPHEnKxFCDhEAACH5BAkKAAAALAAAAAAgACAAAATzEMhJaVKp6s2nIkolIJ2WkBShpkVRWqqQrhLSEu9MZJKK9y1ZrqYK9WiClmvoUaF8gIQSNeF1Er4MNFn4SRSDARWroAIETg1iVwuHjYB1kYc1mwruwXKC9gmsJXliGxc%2BXiUCby9ydh1sOSdMkpMTBpaXBzsfhoc5l58Gm5yToAaZhaOUqjkDgCWNHAULCwOLaTmzswadEqggQwgHuQsHIoZCHQMMQgQGubVEcxOPFAcMDAYUA85eWARmfSRQCdcMe0zeP1AAygwLlJtPNAAL19DARdPzBOWSm1brJBi45soRAWQAAkrQIykShQ9wVhHCwCQCACH5BAkKAAAALAAAAAAgACAAAATrEMhJaVKp6s2nIkqFZF2VIBWhUsJaTokqUCoBq%2BE71SRQeyqUToLA7VxF0JDyIQh%2FMVVPMt1ECZlfcjZJ9mIKoaTl1MRIl5o4CUKXOwmyrCInCKqcWtvadL2SYhyASyNDJ0uIiRMDjI0Fd30%2FiI2UA5GSS5UDj2l6NoqgOgN4gksEBgYFf0FDqKgHnyZ9OX8HrgYHdHpcHQULXAS2qKpENRg7eAMLC7kTBaixUYFkKAzWAAnLC7FLVxLWDBLKCwaKTULgEwbLA4hJtOkSBNqITT3xEgfLpBtzE%2FjiuL04RGEBgwWhShRgQExHBAAh%2BQQJCgAAACwAAAAAIAAgAAAE7xDISWlSqerNpyJKhWRdlSAVoVLCWk6JKlAqAavhO9UkUHsqlE6CwO1cRdCQ8iEIfzFVTzLdRAmZX3I2SfZiCqGk5dTESJeaOAlClzsJsqwiJwiqnFrb2nS9kmIcgEsjQydLiIlHehhpejaIjzh9eomSjZR%2BipslWIRLAgMDOR2DOqKogTB9pCUJBagDBXR6XB0EBkIIsaRsGGMMAxoDBgYHTKJiUYEGDAzHC9EACcUGkIgFzgwZ0QsSBcXHiQvOwgDdEwfFs0sDzt4S6BK4xYjkDOzn0unFeBzOBijIm1Dgmg5YFQwsCMjp1oJ8LyIAACH5BAkKAAAALAAAAAAgACAAAATwEMhJaVKp6s2nIkqFZF2VIBWhUsJaTokqUCoBq%2BE71SRQeyqUToLA7VxF0JDyIQh%2FMVVPMt1ECZlfcjZJ9mIKoaTl1MRIl5o4CUKXOwmyrCInCKqcWtvadL2SYhyASyNDJ0uIiUd6GGl6NoiPOH16iZKNlH6KmyWFOggHhEEvAwwMA0N9GBsEC6amhnVcEwavDAazGwIDaH1ipaYLBUTCGgQDA8NdHz0FpqgTBwsLqAbWAAnIA4FWKdMLGdYGEgraigbT0OITBcg5QwPT4xLrROZL6AuQAPUS7bxLpoWidY0JtxLHKhwwMJBTHgPKdEQAACH5BAkKAAAALAAAAAAgACAAAATrEMhJaVKp6s2nIkqFZF2VIBWhUsJaTokqUCoBq%2BE71SRQeyqUToLA7VxF0JDyIQh%2FMVVPMt1ECZlfcjZJ9mIKoaTl1MRIl5o4CUKXOwmyrCInCKqcWtvadL2SYhyASyNDJ0uIiUd6GAULDJCRiXo1CpGXDJOUjY%2BYip9DhToJA4RBLwMLCwVDfRgbBAaqqoZ1XBMHswsHtxtFaH1iqaoGNgAIxRpbFAgfPQSqpbgGBqUD1wBXeCYp1AYZ19JJOYgH1KwA4UBvQwXUBxPqVD9L3sbp2BNk2xvvFPJd%2BMFCN6HAAIKgNggY0KtEBAAh%2BQQJCgAAACwAAAAAIAAgAAAE6BDISWlSqerNpyJKhWRdlSAVoVLCWk6JKlAqAavhO9UkUHsqlE6CwO1cRdCQ8iEIfzFVTzLdRAmZX3I2SfYIDMaAFdTESJeaEDAIMxYFqrOUaNW4E4ObYcCXaiBVEgULe0NJaxxtYksjh2NLkZISgDgJhHthkpU4mW6blRiYmZOlh4JWkDqILwUGBnE6TYEbCgevr0N1gH4At7gHiRpFaLNrrq8HNgAJA70AWxQIH1%2BvsYMDAzZQPC9VCNkDWUhGkuE5PxJNwiUK4UfLzOlD4WvzAHaoG9nxPi5d%2BjYUqfAhhykOFwJWiAAAIfkECQoAAAAsAAAAACAAIAAABPAQyElpUqnqzaciSoVkXVUMFaFSwlpOCcMYlErAavhOMnNLNo8KsZsMZItJEIDIFSkLGQoQTNhIsFehRww2CQLKF0tYGKYSg%2BygsZIuNqJksKgbfgIGepNo2cIUB3V1B3IvNiBYNQaDSTtfhhx0CwVPI0UJe0%2Bbm4g5VgcGoqOcnjmjqDSdnhgEoamcsZuXO1aWQy8KAwOAuTYYGwi7w5h%2BKr0SJ8MFihpNbx%2B4Erq7BYBuzsdiH1jCAzoSfl0rVirNbRXlBBlLX%2BBP0XJLAPGzTkAuAOqb0WT5AH7OcdCm5B8TgRwSRKIHQtaLCwg1RAAAOwAAAAAAAAAAAA%3D%3D);
|
||||
|
||||
visibility: visible;
|
||||
opacity: 0.6;
|
||||
transition: all 0.3s ease;
|
||||
}
|
||||
|
||||
.reveal > .overlay header {
|
||||
position: absolute;
|
||||
left: 0;
|
||||
top: 0;
|
||||
width: 100%;
|
||||
height: 40px;
|
||||
z-index: 2;
|
||||
border-bottom: 1px solid #222;
|
||||
}
|
||||
.reveal > .overlay header a {
|
||||
display: inline-block;
|
||||
width: 40px;
|
||||
height: 40px;
|
||||
line-height: 36px;
|
||||
padding: 0 10px;
|
||||
float: right;
|
||||
opacity: 0.6;
|
||||
|
||||
box-sizing: border-box;
|
||||
}
|
||||
.reveal > .overlay header a:hover {
|
||||
opacity: 1;
|
||||
}
|
||||
.reveal > .overlay header a .icon {
|
||||
display: inline-block;
|
||||
width: 20px;
|
||||
height: 20px;
|
||||
|
||||
background-position: 50% 50%;
|
||||
background-size: 100%;
|
||||
background-repeat: no-repeat;
|
||||
}
|
||||
.reveal > .overlay header a.close .icon {
|
||||
background-image: url(data:image/png;base64,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);
|
||||
}
|
||||
.reveal > .overlay header a.external .icon {
|
||||
background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAcElEQVRYR+2WSQoAIQwEzf8f7XiOMkUQxUPlGkM3hVmiQfQR9GYnH1SsAQlI4DiBqkCMoNb9y2e90IAEJPAcgdznU9+engMaeJ7Azh5Y1U67gAho4DqBqmB1buAf0MB1AlVBek83ZPkmJMGc1wAR+AAqod/B97TRpQAAAABJRU5ErkJggg==);
|
||||
}
|
||||
|
||||
.reveal > .overlay .viewport {
|
||||
position: absolute;
|
||||
display: flex;
|
||||
top: 40px;
|
||||
right: 0;
|
||||
bottom: 0;
|
||||
left: 0;
|
||||
}
|
||||
|
||||
.reveal > .overlay.overlay-preview .viewport iframe {
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
max-width: 100%;
|
||||
max-height: 100%;
|
||||
border: 0;
|
||||
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
transition: all 0.3s ease;
|
||||
}
|
||||
|
||||
.reveal > .overlay.overlay-preview.loaded .viewport iframe {
|
||||
opacity: 1;
|
||||
visibility: visible;
|
||||
}
|
||||
|
||||
.reveal > .overlay.overlay-preview.loaded .viewport-inner {
|
||||
position: absolute;
|
||||
z-index: -1;
|
||||
left: 0;
|
||||
top: 45%;
|
||||
width: 100%;
|
||||
text-align: center;
|
||||
letter-spacing: normal;
|
||||
}
|
||||
.reveal > .overlay.overlay-preview .x-frame-error {
|
||||
opacity: 0;
|
||||
transition: opacity 0.3s ease 0.3s;
|
||||
}
|
||||
.reveal > .overlay.overlay-preview.loaded .x-frame-error {
|
||||
opacity: 1;
|
||||
}
|
||||
|
||||
.reveal > .overlay.overlay-preview.loaded .spinner {
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
transform: scale(0.2);
|
||||
}
|
||||
|
||||
.reveal > .overlay.overlay-help .viewport {
|
||||
overflow: auto;
|
||||
color: #fff;
|
||||
}
|
||||
|
||||
.reveal > .overlay.overlay-help .viewport .viewport-inner {
|
||||
width: 600px;
|
||||
margin: auto;
|
||||
padding: 20px 20px 80px 20px;
|
||||
text-align: center;
|
||||
letter-spacing: normal;
|
||||
}
|
||||
|
||||
.reveal > .overlay.overlay-help .viewport .viewport-inner .title {
|
||||
font-size: 20px;
|
||||
}
|
||||
|
||||
.reveal > .overlay.overlay-help .viewport .viewport-inner table {
|
||||
border: 1px solid #fff;
|
||||
border-collapse: collapse;
|
||||
font-size: 16px;
|
||||
}
|
||||
|
||||
.reveal > .overlay.overlay-help .viewport .viewport-inner table th,
|
||||
.reveal > .overlay.overlay-help .viewport .viewport-inner table td {
|
||||
width: 200px;
|
||||
padding: 14px;
|
||||
border: 1px solid #fff;
|
||||
vertical-align: middle;
|
||||
}
|
||||
|
||||
.reveal > .overlay.overlay-help .viewport .viewport-inner table th {
|
||||
padding-top: 20px;
|
||||
padding-bottom: 20px;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* PLAYBACK COMPONENT
|
||||
*********************************************/
|
||||
|
||||
.reveal .playback {
|
||||
position: absolute;
|
||||
left: 15px;
|
||||
bottom: 20px;
|
||||
z-index: 30;
|
||||
cursor: pointer;
|
||||
transition: all 400ms ease;
|
||||
-webkit-tap-highlight-color: rgba( 0, 0, 0, 0 );
|
||||
}
|
||||
|
||||
.reveal.overview .playback {
|
||||
opacity: 0;
|
||||
visibility: hidden;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* CODE HIGHLGIHTING
|
||||
*********************************************/
|
||||
|
||||
.reveal .hljs table {
|
||||
margin: initial;
|
||||
}
|
||||
|
||||
.reveal .hljs-ln-code,
|
||||
.reveal .hljs-ln-numbers {
|
||||
padding: 0;
|
||||
border: 0;
|
||||
}
|
||||
|
||||
.reveal .hljs-ln-numbers {
|
||||
opacity: 0.6;
|
||||
padding-right: 0.75em;
|
||||
text-align: right;
|
||||
vertical-align: top;
|
||||
}
|
||||
|
||||
.reveal .hljs[data-line-numbers]:not([data-line-numbers=""]) tr:not(.highlight-line) {
|
||||
opacity: 0.4;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* ROLLING LINKS
|
||||
*********************************************/
|
||||
|
||||
.reveal .roll {
|
||||
display: inline-block;
|
||||
line-height: 1.2;
|
||||
overflow: hidden;
|
||||
|
||||
vertical-align: top;
|
||||
perspective: 400px;
|
||||
perspective-origin: 50% 50%;
|
||||
}
|
||||
.reveal .roll:hover {
|
||||
background: none;
|
||||
text-shadow: none;
|
||||
}
|
||||
.reveal .roll span {
|
||||
display: block;
|
||||
position: relative;
|
||||
padding: 0 2px;
|
||||
|
||||
pointer-events: none;
|
||||
transition: all 400ms ease;
|
||||
transform-origin: 50% 0%;
|
||||
transform-style: preserve-3d;
|
||||
backface-visibility: hidden;
|
||||
}
|
||||
.reveal .roll:hover span {
|
||||
background: rgba(0,0,0,0.5);
|
||||
transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
|
||||
}
|
||||
.reveal .roll span:after {
|
||||
content: attr(data-title);
|
||||
|
||||
display: block;
|
||||
position: absolute;
|
||||
left: 0;
|
||||
top: 0;
|
||||
padding: 0 2px;
|
||||
backface-visibility: hidden;
|
||||
transform-origin: 50% 0%;
|
||||
transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* SPEAKER NOTES
|
||||
*********************************************/
|
||||
|
||||
$notesWidthPercent: 25%;
|
||||
|
||||
// Hide on-page notes
|
||||
.reveal aside.notes {
|
||||
display: none;
|
||||
}
|
||||
|
||||
// An interface element that can optionally be used to show the
|
||||
// speaker notes to all viewers, on top of the presentation
|
||||
.reveal .speaker-notes {
|
||||
display: none;
|
||||
position: absolute;
|
||||
width: $notesWidthPercent / (1-$notesWidthPercent/100) * 1%;
|
||||
height: 100%;
|
||||
top: 0;
|
||||
left: 100%;
|
||||
padding: 14px 18px 14px 18px;
|
||||
z-index: 1;
|
||||
font-size: 18px;
|
||||
line-height: 1.4;
|
||||
border: 1px solid rgba( 0, 0, 0, 0.05 );
|
||||
color: #222;
|
||||
background-color: #f5f5f5;
|
||||
overflow: auto;
|
||||
box-sizing: border-box;
|
||||
text-align: left;
|
||||
font-family: Helvetica, sans-serif;
|
||||
-webkit-overflow-scrolling: touch;
|
||||
|
||||
.notes-placeholder {
|
||||
color: #ccc;
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
&:focus {
|
||||
outline: none;
|
||||
}
|
||||
|
||||
&:before {
|
||||
content: 'Speaker notes';
|
||||
display: block;
|
||||
margin-bottom: 10px;
|
||||
opacity: 0.5;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
.reveal.show-notes {
|
||||
max-width: 100% - $notesWidthPercent;
|
||||
overflow: visible;
|
||||
}
|
||||
|
||||
.reveal.show-notes .speaker-notes {
|
||||
display: block;
|
||||
}
|
||||
|
||||
@media screen and (min-width: 1600px) {
|
||||
.reveal .speaker-notes {
|
||||
font-size: 20px;
|
||||
}
|
||||
}
|
||||
|
||||
@media screen and (max-width: 1024px) {
|
||||
.reveal.show-notes {
|
||||
border-left: 0;
|
||||
max-width: none;
|
||||
max-height: 70%;
|
||||
max-height: 70vh;
|
||||
overflow: visible;
|
||||
}
|
||||
|
||||
.reveal.show-notes .speaker-notes {
|
||||
top: 100%;
|
||||
left: 0;
|
||||
width: 100%;
|
||||
height: (30/0.7)*1%;
|
||||
height: 30vh;
|
||||
border: 0;
|
||||
}
|
||||
}
|
||||
|
||||
@media screen and (max-width: 600px) {
|
||||
.reveal.show-notes {
|
||||
max-height: 60%;
|
||||
max-height: 60vh;
|
||||
}
|
||||
|
||||
.reveal.show-notes .speaker-notes {
|
||||
top: 100%;
|
||||
height: (40/0.6)*1%;
|
||||
height: 40vh;
|
||||
}
|
||||
|
||||
.reveal .speaker-notes {
|
||||
font-size: 14px;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* ZOOM PLUGIN
|
||||
*********************************************/
|
||||
|
||||
.zoomed .reveal *,
|
||||
.zoomed .reveal *:before,
|
||||
.zoomed .reveal *:after {
|
||||
backface-visibility: visible !important;
|
||||
}
|
||||
|
||||
.zoomed .reveal .progress,
|
||||
.zoomed .reveal .controls {
|
||||
opacity: 0;
|
||||
}
|
||||
|
||||
.zoomed .reveal .roll span {
|
||||
background: none;
|
||||
}
|
||||
|
||||
.zoomed .reveal .roll span:after {
|
||||
visibility: hidden;
|
||||
}
|
||||
29
app/assets/stylesheets/reveal/mixins.scss
Normal file
29
app/assets/stylesheets/reveal/mixins.scss
Normal file
@ -0,0 +1,29 @@
|
||||
@mixin vertical-gradient( $top, $bottom ) {
|
||||
background: $top;
|
||||
background: -moz-linear-gradient( top, $top 0%, $bottom 100% );
|
||||
background: -webkit-gradient( linear, left top, left bottom, color-stop(0%,$top), color-stop(100%,$bottom) );
|
||||
background: -webkit-linear-gradient( top, $top 0%, $bottom 100% );
|
||||
background: -o-linear-gradient( top, $top 0%, $bottom 100% );
|
||||
background: -ms-linear-gradient( top, $top 0%, $bottom 100% );
|
||||
background: linear-gradient( top, $top 0%, $bottom 100% );
|
||||
}
|
||||
|
||||
@mixin horizontal-gradient( $top, $bottom ) {
|
||||
background: $top;
|
||||
background: -moz-linear-gradient( left, $top 0%, $bottom 100% );
|
||||
background: -webkit-gradient( linear, left top, right top, color-stop(0%,$top), color-stop(100%,$bottom) );
|
||||
background: -webkit-linear-gradient( left, $top 0%, $bottom 100% );
|
||||
background: -o-linear-gradient( left, $top 0%, $bottom 100% );
|
||||
background: -ms-linear-gradient( left, $top 0%, $bottom 100% );
|
||||
background: linear-gradient( left, $top 0%, $bottom 100% );
|
||||
}
|
||||
|
||||
@mixin radial-gradient( $outer, $inner, $type: circle ) {
|
||||
background: $outer;
|
||||
background: -moz-radial-gradient( center, $type cover, $inner 0%, $outer 100% );
|
||||
background: -webkit-gradient( radial, center center, 0px, center center, 100%, color-stop(0%,$inner), color-stop(100%,$outer) );
|
||||
background: -webkit-radial-gradient( center, $type cover, $inner 0%, $outer 100% );
|
||||
background: -o-radial-gradient( center, $type cover, $inner 0%, $outer 100% );
|
||||
background: -ms-radial-gradient( center, $type cover, $inner 0%, $outer 100% );
|
||||
background: radial-gradient( center, $type cover, $inner 0%, $outer 100% );
|
||||
}
|
||||
71
app/assets/stylesheets/reveal/monokai.css
Normal file
71
app/assets/stylesheets/reveal/monokai.css
Normal file
@ -0,0 +1,71 @@
|
||||
/*
|
||||
Monokai style - ported by Luigi Maselli - http://grigio.org
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #272822;
|
||||
color: #ddd;
|
||||
}
|
||||
|
||||
.hljs-tag,
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-literal,
|
||||
.hljs-strong,
|
||||
.hljs-name {
|
||||
color: #f92672;
|
||||
}
|
||||
|
||||
.hljs-code {
|
||||
color: #66d9ef;
|
||||
}
|
||||
|
||||
.hljs-class .hljs-title {
|
||||
color: white;
|
||||
}
|
||||
|
||||
.hljs-attribute,
|
||||
.hljs-symbol,
|
||||
.hljs-regexp,
|
||||
.hljs-link {
|
||||
color: #bf79db;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-bullet,
|
||||
.hljs-subst,
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-emphasis,
|
||||
.hljs-type,
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo,
|
||||
.hljs-addition,
|
||||
.hljs-variable,
|
||||
.hljs-template-tag,
|
||||
.hljs-template-variable {
|
||||
color: #a6e22e;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote,
|
||||
.hljs-deletion,
|
||||
.hljs-meta {
|
||||
color: #75715e;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-literal,
|
||||
.hljs-doctag,
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-type,
|
||||
.hljs-selector-id {
|
||||
font-weight: bold;
|
||||
}
|
||||
203
app/assets/stylesheets/reveal/paper.css
Normal file
203
app/assets/stylesheets/reveal/paper.css
Normal file
@ -0,0 +1,203 @@
|
||||
/* Default Print Stylesheet Template
|
||||
by Rob Glazebrook of CSSnewbie.com
|
||||
Last Updated: June 4, 2008
|
||||
|
||||
Feel free (nay, compelled) to edit, append, and
|
||||
manipulate this file as you see fit. */
|
||||
|
||||
|
||||
@media print {
|
||||
|
||||
/* SECTION 1: Set default width, margin, float, and
|
||||
background. This prevents elements from extending
|
||||
beyond the edge of the printed page, and prevents
|
||||
unnecessary background images from printing */
|
||||
html {
|
||||
background: #fff;
|
||||
width: auto;
|
||||
height: auto;
|
||||
overflow: visible;
|
||||
}
|
||||
body {
|
||||
background: #fff;
|
||||
font-size: 20pt;
|
||||
width: auto;
|
||||
height: auto;
|
||||
border: 0;
|
||||
margin: 0 5%;
|
||||
padding: 0;
|
||||
overflow: visible;
|
||||
float: none !important;
|
||||
}
|
||||
|
||||
/* SECTION 2: Remove any elements not needed in print.
|
||||
This would include navigation, ads, sidebars, etc. */
|
||||
.nestedarrow,
|
||||
.controls,
|
||||
.fork-reveal,
|
||||
.share-reveal,
|
||||
.state-background,
|
||||
.reveal .progress,
|
||||
.reveal .backgrounds,
|
||||
.reveal .slide-number {
|
||||
display: none !important;
|
||||
}
|
||||
|
||||
/* SECTION 3: Set body font face, size, and color.
|
||||
Consider using a serif font for readability. */
|
||||
body, p, td, li, div {
|
||||
font-size: 20pt!important;
|
||||
font-family: Georgia, "Times New Roman", Times, serif !important;
|
||||
color: #000;
|
||||
}
|
||||
|
||||
/* SECTION 4: Set heading font face, sizes, and color.
|
||||
Differentiate your headings from your body text.
|
||||
Perhaps use a large sans-serif for distinction. */
|
||||
h1,h2,h3,h4,h5,h6 {
|
||||
color: #000!important;
|
||||
height: auto;
|
||||
line-height: normal;
|
||||
font-family: Georgia, "Times New Roman", Times, serif !important;
|
||||
text-shadow: 0 0 0 #000 !important;
|
||||
text-align: left;
|
||||
letter-spacing: normal;
|
||||
}
|
||||
/* Need to reduce the size of the fonts for printing */
|
||||
h1 { font-size: 28pt !important; }
|
||||
h2 { font-size: 24pt !important; }
|
||||
h3 { font-size: 22pt !important; }
|
||||
h4 { font-size: 22pt !important; font-variant: small-caps; }
|
||||
h5 { font-size: 21pt !important; }
|
||||
h6 { font-size: 20pt !important; font-style: italic; }
|
||||
|
||||
/* SECTION 5: Make hyperlinks more usable.
|
||||
Ensure links are underlined, and consider appending
|
||||
the URL to the end of the link for usability. */
|
||||
a:link,
|
||||
a:visited {
|
||||
color: #000 !important;
|
||||
font-weight: bold;
|
||||
text-decoration: underline;
|
||||
}
|
||||
/*
|
||||
.reveal a:link:after,
|
||||
.reveal a:visited:after {
|
||||
content: " (" attr(href) ") ";
|
||||
color: #222 !important;
|
||||
font-size: 90%;
|
||||
}
|
||||
*/
|
||||
|
||||
|
||||
/* SECTION 6: more reveal.js specific additions by @skypanther */
|
||||
ul, ol, div, p {
|
||||
visibility: visible;
|
||||
position: static;
|
||||
width: auto;
|
||||
height: auto;
|
||||
display: block;
|
||||
overflow: visible;
|
||||
margin: 0;
|
||||
text-align: left !important;
|
||||
}
|
||||
.reveal pre,
|
||||
.reveal table {
|
||||
margin-left: 0;
|
||||
margin-right: 0;
|
||||
}
|
||||
.reveal pre code {
|
||||
padding: 20px;
|
||||
border: 1px solid #ddd;
|
||||
}
|
||||
.reveal blockquote {
|
||||
margin: 20px 0;
|
||||
}
|
||||
.reveal .slides {
|
||||
position: static !important;
|
||||
width: auto !important;
|
||||
height: auto !important;
|
||||
|
||||
left: 0 !important;
|
||||
top: 0 !important;
|
||||
margin-left: 0 !important;
|
||||
margin-top: 0 !important;
|
||||
padding: 0 !important;
|
||||
zoom: 1 !important;
|
||||
|
||||
overflow: visible !important;
|
||||
display: block !important;
|
||||
|
||||
text-align: left !important;
|
||||
-webkit-perspective: none;
|
||||
-moz-perspective: none;
|
||||
-ms-perspective: none;
|
||||
perspective: none;
|
||||
|
||||
-webkit-perspective-origin: 50% 50%;
|
||||
-moz-perspective-origin: 50% 50%;
|
||||
-ms-perspective-origin: 50% 50%;
|
||||
perspective-origin: 50% 50%;
|
||||
}
|
||||
.reveal .slides section {
|
||||
visibility: visible !important;
|
||||
position: static !important;
|
||||
width: auto !important;
|
||||
height: auto !important;
|
||||
display: block !important;
|
||||
overflow: visible !important;
|
||||
|
||||
left: 0 !important;
|
||||
top: 0 !important;
|
||||
margin-left: 0 !important;
|
||||
margin-top: 0 !important;
|
||||
padding: 60px 20px !important;
|
||||
z-index: auto !important;
|
||||
|
||||
opacity: 1 !important;
|
||||
|
||||
page-break-after: always !important;
|
||||
|
||||
-webkit-transform-style: flat !important;
|
||||
-moz-transform-style: flat !important;
|
||||
-ms-transform-style: flat !important;
|
||||
transform-style: flat !important;
|
||||
|
||||
-webkit-transform: none !important;
|
||||
-moz-transform: none !important;
|
||||
-ms-transform: none !important;
|
||||
transform: none !important;
|
||||
|
||||
-webkit-transition: none !important;
|
||||
-moz-transition: none !important;
|
||||
-ms-transition: none !important;
|
||||
transition: none !important;
|
||||
}
|
||||
.reveal .slides section.stack {
|
||||
padding: 0 !important;
|
||||
}
|
||||
.reveal section:last-of-type {
|
||||
page-break-after: avoid !important;
|
||||
}
|
||||
.reveal section .fragment {
|
||||
opacity: 1 !important;
|
||||
visibility: visible !important;
|
||||
|
||||
-webkit-transform: none !important;
|
||||
-moz-transform: none !important;
|
||||
-ms-transform: none !important;
|
||||
transform: none !important;
|
||||
}
|
||||
.reveal section img {
|
||||
display: block;
|
||||
margin: 15px 0px;
|
||||
background: rgba(255,255,255,1);
|
||||
border: 1px solid #666;
|
||||
box-shadow: none;
|
||||
}
|
||||
|
||||
.reveal section small {
|
||||
font-size: 0.8em;
|
||||
}
|
||||
|
||||
}
|
||||
164
app/assets/stylesheets/reveal/pdf.css
Normal file
164
app/assets/stylesheets/reveal/pdf.css
Normal file
@ -0,0 +1,164 @@
|
||||
/**
|
||||
* This stylesheet is used to print reveal.js
|
||||
* presentations to PDF.
|
||||
*
|
||||
* https://github.com/hakimel/reveal.js#pdf-export
|
||||
*/
|
||||
|
||||
* {
|
||||
-webkit-print-color-adjust: exact;
|
||||
}
|
||||
|
||||
body {
|
||||
margin: 0 auto !important;
|
||||
border: 0;
|
||||
padding: 0;
|
||||
float: none !important;
|
||||
overflow: visible;
|
||||
}
|
||||
|
||||
html {
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
overflow: visible;
|
||||
}
|
||||
|
||||
/* Remove any elements not needed in print. */
|
||||
.nestedarrow,
|
||||
.reveal .controls,
|
||||
.reveal .progress,
|
||||
.reveal .playback,
|
||||
.reveal.overview,
|
||||
.fork-reveal,
|
||||
.share-reveal,
|
||||
.state-background {
|
||||
display: none !important;
|
||||
}
|
||||
|
||||
h1, h2, h3, h4, h5, h6 {
|
||||
text-shadow: 0 0 0 #000 !important;
|
||||
}
|
||||
|
||||
.reveal pre code {
|
||||
overflow: hidden !important;
|
||||
font-family: Courier, 'Courier New', monospace !important;
|
||||
}
|
||||
|
||||
ul, ol, div, p {
|
||||
visibility: visible;
|
||||
position: static;
|
||||
width: auto;
|
||||
height: auto;
|
||||
display: block;
|
||||
overflow: visible;
|
||||
margin: auto;
|
||||
}
|
||||
.reveal {
|
||||
width: auto !important;
|
||||
height: auto !important;
|
||||
overflow: hidden !important;
|
||||
}
|
||||
.reveal .slides {
|
||||
position: static;
|
||||
width: 100% !important;
|
||||
height: auto !important;
|
||||
zoom: 1 !important;
|
||||
|
||||
left: auto;
|
||||
top: auto;
|
||||
margin: 0 !important;
|
||||
padding: 0 !important;
|
||||
|
||||
overflow: visible;
|
||||
display: block;
|
||||
|
||||
perspective: none;
|
||||
perspective-origin: 50% 50%;
|
||||
}
|
||||
|
||||
.reveal .slides .pdf-page {
|
||||
position: relative;
|
||||
overflow: hidden;
|
||||
z-index: 1;
|
||||
|
||||
page-break-after: always;
|
||||
}
|
||||
|
||||
.reveal .slides section {
|
||||
visibility: visible !important;
|
||||
display: block !important;
|
||||
position: absolute !important;
|
||||
|
||||
margin: 0 !important;
|
||||
padding: 0 !important;
|
||||
box-sizing: border-box !important;
|
||||
min-height: 1px;
|
||||
|
||||
opacity: 1 !important;
|
||||
|
||||
transform-style: flat !important;
|
||||
transform: none !important;
|
||||
}
|
||||
|
||||
.reveal section.stack {
|
||||
position: relative !important;
|
||||
margin: 0 !important;
|
||||
padding: 0 !important;
|
||||
page-break-after: avoid !important;
|
||||
height: auto !important;
|
||||
min-height: auto !important;
|
||||
}
|
||||
|
||||
.reveal img {
|
||||
box-shadow: none;
|
||||
}
|
||||
|
||||
.reveal .roll {
|
||||
overflow: visible;
|
||||
line-height: 1em;
|
||||
}
|
||||
|
||||
/* Slide backgrounds are placed inside of their slide when exporting to PDF */
|
||||
.reveal .slide-background {
|
||||
display: block !important;
|
||||
position: absolute;
|
||||
top: 0;
|
||||
left: 0;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
z-index: auto !important;
|
||||
}
|
||||
|
||||
/* Display slide speaker notes when 'showNotes' is enabled */
|
||||
.reveal.show-notes {
|
||||
max-width: none;
|
||||
max-height: none;
|
||||
}
|
||||
.reveal .speaker-notes-pdf {
|
||||
display: block;
|
||||
width: 100%;
|
||||
height: auto;
|
||||
max-height: none;
|
||||
top: auto;
|
||||
right: auto;
|
||||
bottom: auto;
|
||||
left: auto;
|
||||
z-index: 100;
|
||||
}
|
||||
|
||||
/* Layout option which makes notes appear on a separate page */
|
||||
.reveal .speaker-notes-pdf[data-layout="separate-page"] {
|
||||
position: relative;
|
||||
color: inherit;
|
||||
background-color: transparent;
|
||||
padding: 20px;
|
||||
page-break-after: always;
|
||||
border: 0;
|
||||
}
|
||||
|
||||
/* Display slide numbers when 'slideNumber' is enabled */
|
||||
.reveal .slide-number-pdf {
|
||||
display: block;
|
||||
position: absolute;
|
||||
font-size: 14px;
|
||||
}
|
||||
30
app/assets/stylesheets/reveal/reset.css
Normal file
30
app/assets/stylesheets/reveal/reset.css
Normal file
@ -0,0 +1,30 @@
|
||||
/* http://meyerweb.com/eric/tools/css/reset/
|
||||
v4.0 | 20180602
|
||||
License: none (public domain)
|
||||
*/
|
||||
|
||||
html, body, div, span, applet, object, iframe,
|
||||
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
|
||||
a, abbr, acronym, address, big, cite, code,
|
||||
del, dfn, em, img, ins, kbd, q, s, samp,
|
||||
small, strike, strong, sub, sup, tt, var,
|
||||
b, u, i, center,
|
||||
dl, dt, dd, ol, ul, li,
|
||||
fieldset, form, label, legend,
|
||||
table, caption, tbody, tfoot, thead, tr, th, td,
|
||||
article, aside, canvas, details, embed,
|
||||
figure, figcaption, footer, header, hgroup,
|
||||
main, menu, nav, output, ruby, section, summary,
|
||||
time, mark, audio, video {
|
||||
margin: 0;
|
||||
padding: 0;
|
||||
border: 0;
|
||||
font-size: 100%;
|
||||
font: inherit;
|
||||
vertical-align: baseline;
|
||||
}
|
||||
/* HTML5 display-role reset for older browsers */
|
||||
article, aside, details, figcaption, figure,
|
||||
footer, header, hgroup, main, menu, nav, section {
|
||||
display: block;
|
||||
}
|
||||
6
app/assets/stylesheets/reveal/reveal.css
Normal file
6
app/assets/stylesheets/reveal/reveal.css
Normal file
@ -0,0 +1,6 @@
|
||||
/*
|
||||
*= require ./reset
|
||||
*= require ./global
|
||||
*= require ./black
|
||||
*= require ./monokai
|
||||
*/
|
||||
45
app/assets/stylesheets/reveal/settings.scss
Normal file
45
app/assets/stylesheets/reveal/settings.scss
Normal file
@ -0,0 +1,45 @@
|
||||
// Base settings for all themes that can optionally be
|
||||
// overridden by the super-theme
|
||||
|
||||
// Background of the presentation
|
||||
$backgroundColor: #2b2b2b;
|
||||
|
||||
// Primary/body text
|
||||
$mainFont: 'Lato', sans-serif;
|
||||
$mainFontSize: 40px;
|
||||
$mainColor: #eee;
|
||||
|
||||
// Vertical spacing between blocks of text
|
||||
$blockMargin: 20px;
|
||||
|
||||
// Headings
|
||||
$headingMargin: 0 0 $blockMargin 0;
|
||||
$headingFont: 'League Gothic', Impact, sans-serif;
|
||||
$headingColor: #eee;
|
||||
$headingLineHeight: 1.2;
|
||||
$headingLetterSpacing: normal;
|
||||
$headingTextTransform: uppercase;
|
||||
$headingTextShadow: none;
|
||||
$headingFontWeight: normal;
|
||||
$heading1TextShadow: $headingTextShadow;
|
||||
|
||||
$heading1Size: 3.77em;
|
||||
$heading2Size: 2.11em;
|
||||
$heading3Size: 1.55em;
|
||||
$heading4Size: 1.00em;
|
||||
|
||||
$codeFont: monospace;
|
||||
|
||||
// Links and actions
|
||||
$linkColor: #13DAEC;
|
||||
$linkColorHover: lighten( $linkColor, 20% );
|
||||
|
||||
// Text selection
|
||||
$selectionBackgroundColor: #FF5E99;
|
||||
$selectionColor: #fff;
|
||||
|
||||
// Generates the presentation background, can be overridden
|
||||
// to return a background image or gradient
|
||||
@mixin bodyBackground() {
|
||||
background: $backgroundColor;
|
||||
}
|
||||
325
app/assets/stylesheets/reveal/theme.scss
Normal file
325
app/assets/stylesheets/reveal/theme.scss
Normal file
@ -0,0 +1,325 @@
|
||||
// Base theme template for reveal.js
|
||||
|
||||
/*********************************************
|
||||
* GLOBAL STYLES
|
||||
*********************************************/
|
||||
|
||||
body {
|
||||
@include bodyBackground();
|
||||
background-color: $backgroundColor;
|
||||
}
|
||||
|
||||
.reveal {
|
||||
font-family: $mainFont;
|
||||
font-size: $mainFontSize;
|
||||
font-weight: normal;
|
||||
color: $mainColor;
|
||||
}
|
||||
|
||||
::selection {
|
||||
color: $selectionColor;
|
||||
background: $selectionBackgroundColor;
|
||||
text-shadow: none;
|
||||
}
|
||||
|
||||
::-moz-selection {
|
||||
color: $selectionColor;
|
||||
background: $selectionBackgroundColor;
|
||||
text-shadow: none;
|
||||
}
|
||||
|
||||
.reveal .slides section,
|
||||
.reveal .slides section>section {
|
||||
line-height: 1.3;
|
||||
font-weight: inherit;
|
||||
}
|
||||
|
||||
/*********************************************
|
||||
* HEADERS
|
||||
*********************************************/
|
||||
|
||||
.reveal h1,
|
||||
.reveal h2,
|
||||
.reveal h3,
|
||||
.reveal h4,
|
||||
.reveal h5,
|
||||
.reveal h6 {
|
||||
margin: $headingMargin;
|
||||
color: $headingColor;
|
||||
|
||||
font-family: $headingFont;
|
||||
font-weight: $headingFontWeight;
|
||||
line-height: $headingLineHeight;
|
||||
letter-spacing: $headingLetterSpacing;
|
||||
|
||||
text-transform: $headingTextTransform;
|
||||
text-shadow: $headingTextShadow;
|
||||
|
||||
word-wrap: break-word;
|
||||
}
|
||||
|
||||
.reveal h1 {font-size: $heading1Size; }
|
||||
.reveal h2 {font-size: $heading2Size; }
|
||||
.reveal h3 {font-size: $heading3Size; }
|
||||
.reveal h4 {font-size: $heading4Size; }
|
||||
|
||||
.reveal h1 {
|
||||
text-shadow: $heading1TextShadow;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* OTHER
|
||||
*********************************************/
|
||||
|
||||
.reveal p {
|
||||
margin: $blockMargin 0;
|
||||
line-height: 1.3;
|
||||
}
|
||||
|
||||
/* Ensure certain elements are never larger than the slide itself */
|
||||
.reveal img,
|
||||
.reveal video,
|
||||
.reveal iframe {
|
||||
max-width: 95%;
|
||||
max-height: 95%;
|
||||
}
|
||||
.reveal strong,
|
||||
.reveal b {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.reveal em {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.reveal ol,
|
||||
.reveal dl,
|
||||
.reveal ul {
|
||||
display: inline-block;
|
||||
|
||||
text-align: left;
|
||||
margin: 0 0 0 1em;
|
||||
}
|
||||
|
||||
.reveal ol {
|
||||
list-style-type: decimal;
|
||||
}
|
||||
|
||||
.reveal ul {
|
||||
list-style-type: disc;
|
||||
}
|
||||
|
||||
.reveal ul ul {
|
||||
list-style-type: square;
|
||||
}
|
||||
|
||||
.reveal ul ul ul {
|
||||
list-style-type: circle;
|
||||
}
|
||||
|
||||
.reveal ul ul,
|
||||
.reveal ul ol,
|
||||
.reveal ol ol,
|
||||
.reveal ol ul {
|
||||
display: block;
|
||||
margin-left: 40px;
|
||||
}
|
||||
|
||||
.reveal dt {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.reveal dd {
|
||||
margin-left: 40px;
|
||||
}
|
||||
|
||||
.reveal blockquote {
|
||||
display: block;
|
||||
position: relative;
|
||||
width: 70%;
|
||||
margin: $blockMargin auto;
|
||||
padding: 5px;
|
||||
|
||||
font-style: italic;
|
||||
background: rgba(255, 255, 255, 0.05);
|
||||
box-shadow: 0px 0px 2px rgba(0,0,0,0.2);
|
||||
}
|
||||
.reveal blockquote p:first-child,
|
||||
.reveal blockquote p:last-child {
|
||||
display: inline-block;
|
||||
}
|
||||
|
||||
.reveal q {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.reveal pre {
|
||||
display: block;
|
||||
position: relative;
|
||||
width: 90%;
|
||||
margin: $blockMargin auto;
|
||||
|
||||
text-align: left;
|
||||
font-size: 0.55em;
|
||||
font-family: $codeFont;
|
||||
line-height: 1.2em;
|
||||
|
||||
word-wrap: break-word;
|
||||
|
||||
box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15);
|
||||
}
|
||||
|
||||
.reveal code {
|
||||
font-family: $codeFont;
|
||||
text-transform: none;
|
||||
}
|
||||
|
||||
.reveal pre code {
|
||||
display: block;
|
||||
padding: 5px;
|
||||
overflow: auto;
|
||||
max-height: 400px;
|
||||
word-wrap: normal;
|
||||
}
|
||||
|
||||
.reveal table {
|
||||
margin: auto;
|
||||
border-collapse: collapse;
|
||||
border-spacing: 0;
|
||||
}
|
||||
|
||||
.reveal table th {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.reveal table th,
|
||||
.reveal table td {
|
||||
text-align: left;
|
||||
padding: 0.2em 0.5em 0.2em 0.5em;
|
||||
border-bottom: 1px solid;
|
||||
}
|
||||
|
||||
.reveal table th[align="center"],
|
||||
.reveal table td[align="center"] {
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.reveal table th[align="right"],
|
||||
.reveal table td[align="right"] {
|
||||
text-align: right;
|
||||
}
|
||||
|
||||
.reveal table tbody tr:last-child th,
|
||||
.reveal table tbody tr:last-child td {
|
||||
border-bottom: none;
|
||||
}
|
||||
|
||||
.reveal sup {
|
||||
vertical-align: super;
|
||||
font-size: smaller;
|
||||
}
|
||||
.reveal sub {
|
||||
vertical-align: sub;
|
||||
font-size: smaller;
|
||||
}
|
||||
|
||||
.reveal small {
|
||||
display: inline-block;
|
||||
font-size: 0.6em;
|
||||
line-height: 1.2em;
|
||||
vertical-align: top;
|
||||
}
|
||||
|
||||
.reveal small * {
|
||||
vertical-align: top;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* LINKS
|
||||
*********************************************/
|
||||
|
||||
.reveal a {
|
||||
color: $linkColor;
|
||||
text-decoration: none;
|
||||
|
||||
-webkit-transition: color .15s ease;
|
||||
-moz-transition: color .15s ease;
|
||||
transition: color .15s ease;
|
||||
}
|
||||
.reveal a:hover {
|
||||
color: $linkColorHover;
|
||||
|
||||
text-shadow: none;
|
||||
border: none;
|
||||
}
|
||||
|
||||
.reveal .roll span:after {
|
||||
color: #fff;
|
||||
background: darken( $linkColor, 15% );
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* IMAGES
|
||||
*********************************************/
|
||||
|
||||
.reveal section img {
|
||||
margin: 15px 0px;
|
||||
background: rgba(255,255,255,0.12);
|
||||
border: 4px solid $mainColor;
|
||||
|
||||
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
|
||||
}
|
||||
|
||||
.reveal section img.plain {
|
||||
border: 0;
|
||||
box-shadow: none;
|
||||
}
|
||||
|
||||
.reveal a img {
|
||||
-webkit-transition: all .15s linear;
|
||||
-moz-transition: all .15s linear;
|
||||
transition: all .15s linear;
|
||||
}
|
||||
|
||||
.reveal a:hover img {
|
||||
background: rgba(255,255,255,0.2);
|
||||
border-color: $linkColor;
|
||||
|
||||
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55);
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* NAVIGATION CONTROLS
|
||||
*********************************************/
|
||||
|
||||
.reveal .controls {
|
||||
color: $linkColor;
|
||||
}
|
||||
|
||||
|
||||
/*********************************************
|
||||
* PROGRESS BAR
|
||||
*********************************************/
|
||||
|
||||
.reveal .progress {
|
||||
background: rgba(0,0,0,0.2);
|
||||
color: $linkColor;
|
||||
}
|
||||
.reveal .progress span {
|
||||
-webkit-transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
|
||||
-moz-transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
|
||||
transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
|
||||
}
|
||||
|
||||
/*********************************************
|
||||
* PRINT BACKGROUND
|
||||
*********************************************/
|
||||
@media print {
|
||||
.backgrounds {
|
||||
background-color: $backgroundColor;
|
||||
}
|
||||
}
|
||||
7
app/controllers/slides_controller.rb
Normal file
7
app/controllers/slides_controller.rb
Normal file
@ -0,0 +1,7 @@
|
||||
class SlidesController < ApplicationController
|
||||
|
||||
def index
|
||||
render( template: "slides/#{params[:slide]}" , layout: false )
|
||||
end
|
||||
|
||||
end
|
||||
@ -12,7 +12,8 @@ Rails.application.config.opal.dynamic_require_severity = :ignore
|
||||
# Precompile additional assets.
|
||||
# application.js, application.css, and all non-JS/CSS in the app/assets
|
||||
# folder are already added.
|
||||
Rails.application.config.assets.precompile += %w( debug.js debug.css)
|
||||
Rails.application.config.assets.precompile += %w( debug.js debug.css
|
||||
reveal/reveal.css reveal.js highlight.js)
|
||||
|
||||
Rails.application.config.assets.paths << "#{Gem.loaded_specs["rubyx-debugger"].gem_dir}/assets/"
|
||||
Rails.application.config.assets.paths << "#{Gem.loaded_specs["rubyx-debugger"].gem_dir}/lib/"
|
||||
|
||||
@ -2,6 +2,8 @@ Rails.application.routes.draw do
|
||||
|
||||
root to: 'high_voltage/pages#show' , id: 'index'
|
||||
|
||||
get "/slides/*slide" , to: 'slides#index', :as => :slide
|
||||
|
||||
get "/debugger" , to: "debugger#index" , as: :debugger_index
|
||||
|
||||
get "/blog" , to: "blog#index" , as: :blog_index
|
||||
|
||||
Loading…
Reference in New Issue
Block a user