First commit

.editorconfig

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+# For more information about the properties used in this file,
+# please see the EditorConfig documentation:
+# http://editorconfig.org
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{*.yml,package.json,*.scss,*.js}]
+indent_size = 2
+
+# The indent size used in the package.json file cannot be changed:
+# https://github.com/npm/npm/pull/3180#issuecomment-16336516

.gitignore

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+/node_modules/
+/**/*.js.map
+/**/*.css.map

LICENSE

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+Copyright (c) 2017, The Webmen
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the {organization} nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+

README.md

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+# SilverStripe Progressive Web App
+
+Tools to add progressive web app functionality to your silverstripe website
+
+## Installation
+```
+composer require pixelspin/silverstripe-progressivewebapp
+```
+
+## Usage
+Install the module, run dev/build and fill in the settings in the siteconfig
+Place the link to the manifest file (<link rel="manifest" href="{$BaseHref}manifest.json">) in the head of your pages

_config/config.yml

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+---
+Name: progressivewebapp
+---
+
+SilverStripe\Control\Director:
+  rules:
+    'manifest.json': 'Pixelspin\ProgressiveWebApp\Controllers\ProgressiveWebAppController'
+    
+SilverStripe\SiteConfig\SiteConfig:
+    extensions:
+        - Pixelspin\ProgressiveWebApp\Extensions\ProgressiveWebAppSiteConfigExtension

composer.json

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+{
+    "name": "pixelspin/silverstripe-progressivewebapp",
+    "description": "Tools to add progressive web app functionality to your silverstripe website",
+    "type": "silverstripe-vendormodule",
+    "keywords": [
+        "silverstripe",
+        "progressive",
+        "app"
+    ],
+    "license": "BSD-3-Clause",
+    "authors": [{
+        "name": "Michel van der Steege",
+        "email": "michelsteege@hotmail.com"
+    }],
+    "minimum-stability": "dev",
+    "prefer-stable": true,
+    "require": {
+        "silverstripe/cms": "^4.0@dev",
+        "silverstripe/vendor-plugin": "^1.0",
+        "silverware/colorpicker": "^1.0"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^5.7",
+        "squizlabs/php_codesniffer": "^3.0"
+    },
+    "extra": {
+        "installer-name": "silverstripe-progressivewebapp",
+        "branch-alias": {
+            "dev-master": "2.x-dev"
+        }
+    },
+    "autoload": {
+        "psr-4": {
+            "Pixelspin\\ProgressiveWebApp\\": "src/"
+        }
+    }
+}

src/Controllers/ProgressiveWebAppController.php

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+<?php
+
+namespace Pixelspin\ProgressiveWebApp\Controllers;
+
+use SilverStripe\Control\Controller;
+use SilverStripe\SiteConfig\SiteConfig;
+
+class ProgressiveWebAppController extends Controller {
+
+    /**
+     * @var array
+     */
+    private static $allowed_actions = [
+        'index'
+    ];
+
+    /**
+     * Default controller action for the manifest.json file
+     *
+     * @return mixed
+     */
+    public function index($url) {
+        
+        $config = SiteConfig::current_site_config();
+        $manifestContent = [];
+        $manifestContent['start_url'] = '/';
+        
+        if($config->ManifestName){
+            $manifestContent['name'] = $config->ManifestName;
+        }
+        if($config->ManifestShortName){
+            $manifestContent['short_name'] = $config->ManifestShortName;
+        }
+        if($config->ManifestDescription){
+            $manifestContent['description'] = $config->ManifestDescription;
+        }
+        if($config->ManifestColor){
+            $manifestContent['background_color'] = $config->ManifestColor;
+            $manifestContent['theme_color'] = $config->ManifestColor;
+        }
+        if($config->ManifestOrientation){
+            $manifestContent['orientation'] = $config->ManifestOrientation;
+        }
+        if($config->ManifestDisplay){
+            $manifestContent['display'] = $config->ManifestDisplay;
+        }
+        
+        $logo = $config->ManifestLogo();
+        if($logo && $logo->exists()){
+            $mime = $logo->getMimeType();
+            $manifestContent['icons'] = [
+                [
+                    'src' => $logo->Fill(48,48)->Link(),
+                    'sizes' => '48x48',
+                    'type' => $mime
+                ],
+                [
+                    'src' => $logo->Fill(72,72)->Link(),
+                    'sizes' => '72x72',
+                    'type' => $mime
+                ],
+                [
+                    'src' => $logo->Fill(96,96)->Link(),
+                    'sizes' => '96x96',
+                    'type' => $mime
+                ],
+                [
+                    'src' => $logo->Fill(144,144)->Link(),
+                    'sizes' => '144x144',
+                    'type' => $mime
+                ],
+                [
+                    'src' => $logo->Fill(168,168)->Link(),
+                    'sizes' => '168x168',
+                    'type' => $mime
+                ],
+                [
+                    'src' => $logo->Fill(192,192)->Link(),
+                    'sizes' => '192x192',
+                    'type' => $mime
+                ]
+            ];
+        }
+        
+        $this->getResponse()->addHeader('Content-Type', 'application/manifest+json; charset="utf-8"');
+        return json_encode($manifestContent);
+        
+    }
+
+}

src/Extensions/ProgressiveWebAppSiteConfigExtension.php

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+<?php
+
+namespace Pixelspin\ProgressiveWebApp\Extensions;
+
+use SilverStripe\ORM\DataExtension;
+use SilverWare\Colorpicker\ORM\FieldType\DBColor;
+use SilverStripe\Assets\Image;
+use SilverStripe\Forms\FieldList;
+use SilverStripe\AssetAdmin\Forms\UploadField;
+use SilverStripe\Forms\TextField;
+use SilverStripe\Forms\DropdownField;
+use SilverWare\Colorpicker\Forms\ColorField;
+
+class ProgressiveWebAppSiteConfigExtension extends DataExtension {
+
+    private static $db = [
+        'ManifestName' => 'Varchar',
+        'ManifestShortName' => 'Varchar',
+        'ManifestDescription' => 'Varchar(255)',
+        'ManifestColor' => DBColor::class,
+        'ManifestOrientation' => 'Varchar',
+        'ManifestDisplay' => 'Varchar'
+    ];
+    
+    private static $displays = [
+        'fullscreen',
+        'standalone',
+        'minimal-ui',
+        'browser'
+    ];
+    
+    private static $orientations = [
+        'any',
+        'natural',
+        'landscape',
+        'landscape-primary',
+        'landscape-secondary',
+        'portrait',
+        'portrait-primary',
+        'portrait-secondary'
+    ];
+    
+    private static $has_one = [
+        'ManifestLogo' => Image::class
+    ];
+    
+    public function onAfterWrite() {
+        parent::onAfterWrite();
+        $manifestLogo = $this->owner->ManifestLogo();
+        if ($manifestLogo && $manifestLogo->exists()) {
+            $manifestLogo->doPublish();
+        }
+    }
+    
+    public function updateCMSFields(FieldList $fields) {
+        
+        $fields->addFieldToTab('Root.ProgressiveWebApp', TextField::create('ManifestName', 'Name')->setDescription('Application name'));
+        $fields->addFieldToTab('Root.ProgressiveWebApp', TextField::create('ManifestShortName', 'Short name')->setDescription('Short human-readable name for the application'));
+        $fields->addFieldToTab('Root.ProgressiveWebApp', TextField::create('ManifestDescription', 'Description')->setDescription('Short description about the app'));
+        $fields->addFieldToTab('Root.ProgressiveWebApp', ColorField::create('ManifestColor', 'Color')->setDescription('Color used for the splash screen and/or icon'));
+        $fields->addFieldToTab('Root.ProgressiveWebApp', DropdownField::create('ManifestOrientation', 'Orientation', array_combine(self::$orientations, self::$orientations))->setDescription('App orientation'));
+        $fields->addFieldToTab('Root.ProgressiveWebApp', DropdownField::create('ManifestDisplay', 'Display', array_combine(self::$displays, self::$displays))->setDescription('Display mode of the app'));
+        $fields->addFieldToTab('Root.ProgressiveWebApp', UploadField::create('ManifestLogo', 'Logo')->setDescription('This image must be square and at least 512x512px'));
+        
+    }
+    
+
+}