webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 199 insertions, 0 deletions

diff --git a/Source/WebInspectorUI/UserInterface/Models/ResourceCollection.js b/Source/WebInspectorUI/UserInterface/Models/ResourceCollection.js
new file mode 100644
index 000000000..bd38ad2f5
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Models/ResourceCollection.js
@@ -0,0 +1,199 @@
+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2016 Devin Rousso <dcrousso+webkit@gmail.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.
+ */
+
+WebInspector.ResourceCollection = class ResourceCollection extends WebInspector.Collection
+{
+    constructor(resourceType)
+    {
+        super(WebInspector.ResourceCollection.verifierForType(resourceType));
+
+        this._resourceType = resourceType || null;
+        this._resourceURLMap = new Map;
+        this._resourcesTypeMap = new Map;
+    }
+
+    // Static
+
+    static verifierForType(type) {
+        switch (type) {
+        case WebInspector.Resource.Type.Document:
+            return WebInspector.ResourceCollection.TypeVerifier.Document;
+        case WebInspector.Resource.Type.Stylesheet:
+            return WebInspector.ResourceCollection.TypeVerifier.Stylesheet;
+        case WebInspector.Resource.Type.Image:
+            return WebInspector.ResourceCollection.TypeVerifier.Image;
+        case WebInspector.Resource.Type.Font:
+            return WebInspector.ResourceCollection.TypeVerifier.Font;
+        case WebInspector.Resource.Type.Script:
+            return WebInspector.ResourceCollection.TypeVerifier.Script;
+        case WebInspector.Resource.Type.XHR:
+            return WebInspector.ResourceCollection.TypeVerifier.XHR;
+        case WebInspector.Resource.Type.Fetch:
+            return WebInspector.ResourceCollection.TypeVerifier.Fetch;
+        case WebInspector.Resource.Type.WebSocket:
+            return WebInspector.ResourceCollection.TypeVerifier.WebSocket;
+        case WebInspector.Resource.Type.Other:
+            return WebInspector.ResourceCollection.TypeVerifier.Other;
+        default:
+            return WebInspector.Collection.TypeVerifier.Resource;
+        }
+    }
+
+    // Public
+
+    resourceForURL(url)
+    {
+        return this._resourceURLMap.get(url) || null;
+    }
+
+    resourceCollectionForType(type)
+    {
+        if (this._resourceType) {
+            console.assert(type === this._resourceType);
+            return this;
+        }
+
+        let resourcesCollectionForType = this._resourcesTypeMap.get(type);
+        if (!resourcesCollectionForType) {
+            resourcesCollectionForType = new WebInspector.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.set(resource.url, resource);
+
+        if (!this._resourceType) {
+            let resourcesCollectionForType = this.resourceCollectionForType(resource.type);
+            resourcesCollectionForType.add(resource);
+        }
+
+        resource.addEventListener(WebInspector.Resource.Event.URLDidChange, this._resourceURLDidChange, this);
+        resource.addEventListener(WebInspector.Resource.Event.TypeDidChange, this._resourceTypeDidChange, this);
+    }
+
+    _disassociateWithResource(resource, skipRemoval)
+    {
+        resource.removeEventListener(WebInspector.Resource.Event.URLDidChange, this._resourceURLDidChange, this);
+        resource.removeEventListener(WebInspector.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);
+    }
+
+    _resourceURLDidChange(event)
+    {
+        let resource = event.target;
+        console.assert(resource instanceof WebInspector.Resource);
+        if (!(resource instanceof WebInspector.Resource))
+            return;
+
+        let oldURL = event.data.oldURL;
+        console.assert(oldURL);
+        if (!oldURL)
+            return;
+
+        this._resourceURLMap.set(resource.url, resource);
+        this._resourceURLMap.delete(oldURL);
+    }
+
+    _resourceTypeDidChange(event)
+    {
+        let resource = event.target;
+        console.assert(resource instanceof WebInspector.Resource);
+        if (!(resource instanceof WebInspector.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).
+    }
+};
+
+WebInspector.ResourceCollection.TypeVerifier = {
+    Document: (object) => WebInspector.Collection.TypeVerifier.Resource(object) && object.type === WebInspector.Resource.Type.Document,
+    Stylesheet: (object) => WebInspector.Collection.TypeVerifier.Resource(object) && object.type === WebInspector.Resource.Type.Stylesheet,
+    Image: (object) => WebInspector.Collection.TypeVerifier.Resource(object) && object.type === WebInspector.Resource.Type.Image,
+    Font: (object) => WebInspector.Collection.TypeVerifier.Resource(object) && object.type === WebInspector.Resource.Type.Font,
+    Script: (object) => WebInspector.Collection.TypeVerifier.Resource(object) && object.type === WebInspector.Resource.Type.Script,
+    XHR: (object) => WebInspector.Collection.TypeVerifier.Resource(object) && object.type === WebInspector.Resource.Type.XHR,
+    Fetch: (object) => WebInspector.Collection.TypeVerifier.Resource(object) && object.type === WebInspector.Resource.Type.Fetch,
+    WebSocket: (object) => WebInspector.Collection.TypeVerifier.Resource(object) && object.type === WebInspector.Resource.Type.WebSocket,
+    Other: (object) => WebInspector.Collection.TypeVerifier.Resource(object) && object.type === WebInspector.Resource.Type.Other,
+};