Unity-jump-proj

09.09 Less_unity/Library/PackageCache/com.unity.timeline@1.7.6/Editor/Utilities/FileUtility.cs

@@ -0,0 +1,54 @@
+using System.IO;
+using UnityEditor.VersionControl;
+
+namespace UnityEditor.Timeline
+{
+    static class FileUtility
+    {
+        internal static bool IsReadOnly(UnityEngine.Object asset)
+        {
+            return IsReadOnlyImpl(asset);
+        }
+
+#if UNITY_2021_2_OR_NEWER
+        static bool IsReadOnlyImpl(UnityEngine.Object asset)
+        {
+            string assetPath = AssetDatabase.GetAssetPath(asset);
+            if (string.IsNullOrEmpty(assetPath))
+                return false;
+
+            if (Provider.enabled && VersionControlUtils.IsPathVersioned(assetPath))
+            {
+                return !AssetDatabase.CanOpenForEdit(asset, StatusQueryOptions.UseCachedIfPossible);
+            }
+
+            return (uint)(File.GetAttributes(assetPath) & FileAttributes.ReadOnly) > 0U;
+        }
+#else
+        static bool IsReadOnlyImpl(UnityEngine.Object asset)
+        {
+            string assetPath = AssetDatabase.GetAssetPath(asset);
+            if (Provider.enabled)
+            {
+                if (!Provider.isActive)
+                    return false;
+
+                Asset vcAsset = Provider.GetAssetByPath(assetPath);
+                if (Provider.IsOpenForEdit(vcAsset))
+                    return false;
+
+
+                //I can't get any of the Provider checks to work, but here we should check for exclusive checkout issues.
+                return false;
+            }
+
+
+            if (!string.IsNullOrEmpty(assetPath))
+            {
+                return (File.GetAttributes(assetPath) & FileAttributes.ReadOnly) != 0;
+            }
+            return false;
+        }
+#endif
+    }
+}