moved to root

2026-06-11 14:09:53 +12:00
parent cbf3f085d0
commit a2784f684b
2151 changed files with 0 additions and 0 deletions
@@ -0,0 +1,182 @@
+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2016 Devin Rousso <webkit@devinrousso.com>. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
+ */
+
+WI.ResourceCollection = class ResourceCollection extends WI.Collection
+{
+    constructor(resourceType)
+    {
+        super();
+
+        this._resourceType = resourceType || null;
+        this._resourceURLMap = new Multimap;
+        this._resourcesTypeMap = new Map;
+    }
+
+    // Public
+
+    get resourceType() { return this._resourceType; }
+
+    get displayName()
+    {
+        const plural = true;
+        return this._resourceType ? WI.Resource.displayNameForType(this._resourceType, plural) : WI.UIString("Resources");
+    }
+
+    objectIsRequiredType(object)
+    {
+        if (this._resourceType === WI.Resource.Type.StyleSheet && object instanceof WI.CSSStyleSheet)
+            return true;
+
+        if (!(object instanceof WI.Resource))
+            return false;
+
+        if (!this._resourceType)
+            return true;
+
+        return object.type === this._resourceType;
+    }
+
+    resourcesForURL(url)
+    {
+        return this._resourceURLMap.get(url) || new Set;
+    }
+
+    resourceCollectionForType(type)
+    {
+        if (this._resourceType) {
+            console.assert(type === this._resourceType);
+            return this;
+        }
+
+        let resourcesCollectionForType = this._resourcesTypeMap.get(type);
+        if (!resourcesCollectionForType) {
+            resourcesCollectionForType = new WI.ResourceCollection(type);
+            this._resourcesTypeMap.set(type, resourcesCollectionForType);
+        }
+
+        return resourcesCollectionForType;
+    }
+
+    clear()
+    {
+        super.clear();
+
+        this._resourceURLMap.clear();
+
+        if (!this._resourceType)
+            this._resourcesTypeMap.clear();
+    }
+
+    // Protected
+
+    itemAdded(item)
+    {
+        this._associateWithResource(item);
+    }
+
+    itemRemoved(item)
+    {
+        this._disassociateWithResource(item);
+    }
+
+    itemsCleared(items)
+    {
+        const skipRemoval = true;
+
+        for (let item of items)
+            this._disassociateWithResource(item, skipRemoval);
+    }
+
+    // Private
+
+    _associateWithResource(resource)
+    {
+        this._resourceURLMap.add(resource.url, resource);
+
+        if (!this._resourceType) {
+            let resourcesCollectionForType = this.resourceCollectionForType(resource.type);
+            resourcesCollectionForType.add(resource);
+        }
+
+        resource.addEventListener(WI.Resource.Event.URLDidChange, this._resourceURLDidChange, this);
+        resource.addEventListener(WI.Resource.Event.TypeDidChange, this._resourceTypeDidChange, this);
+    }
+
+    _disassociateWithResource(resource, skipRemoval)
+    {
+        resource.removeEventListener(WI.Resource.Event.URLDidChange, this._resourceURLDidChange, this);
+        resource.removeEventListener(WI.Resource.Event.TypeDidChange, this._resourceTypeDidChange, this);
+
+        if (skipRemoval)
+            return;
+
+        if (!this._resourceType) {
+            let resourcesCollectionForType = this.resourceCollectionForType(resource.type);
+            resourcesCollectionForType.remove(resource);
+        }
+
+        this._resourceURLMap.delete(resource.url, resource);
+    }
+
+    _resourceURLDidChange(event)
+    {
+        let resource = event.target;
+        console.assert(resource instanceof WI.Resource);
+        if (!(resource instanceof WI.Resource))
+            return;
+
+        let oldURL = event.data.oldURL;
+        console.assert(oldURL);
+        if (!oldURL)
+            return;
+
+        this._resourceURLMap.add(resource.url, resource);
+        this._resourceURLMap.delete(oldURL, resource);
+    }
+
+    _resourceTypeDidChange(event)
+    {
+        let resource = event.target;
+        console.assert(resource instanceof WI.Resource);
+        if (!(resource instanceof WI.Resource))
+            return;
+
+        if (this._resourceType) {
+            console.assert(resource.type !== this._resourceType);
+            this.remove(resource);
+            return;
+        }
+
+        console.assert(event.data.oldType);
+
+        let resourcesWithNewType = this.resourceCollectionForType(resource.type);
+        resourcesWithNewType.add(resource);
+
+        // It is not necessary to remove the resource from the sub-collection for the old type since
+        // this is handled by that sub-collection's own _resourceTypeDidChange handler (via the
+        // above if statement).
+    }
+};