webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 135 insertions, 0 deletions

diff --git a/Source/WebInspectorUI/UserInterface/Proxies/HeapSnapshotProxy.js b/Source/WebInspectorUI/UserInterface/Proxies/HeapSnapshotProxy.js
new file mode 100644
index 000000000..1c8ed63a7
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Proxies/HeapSnapshotProxy.js
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2016 Apple Inc. 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.HeapSnapshotProxy = class HeapSnapshotProxy extends WebInspector.Object
+{
+    constructor(snapshotObjectId, identifier, title, totalSize, totalObjectCount, liveSize, categories)
+    {
+        super();
+
+        this._proxyObjectId = snapshotObjectId;
+
+        this._identifier = identifier;
+        this._title = title;
+        this._totalSize = totalSize;
+        this._totalObjectCount = totalObjectCount;
+        this._liveSize = liveSize;
+        this._categories = Map.fromObject(categories);
+
+        console.assert(!this.invalid);
+
+        if (!WebInspector.HeapSnapshotProxy.ValidSnapshotProxies)
+            WebInspector.HeapSnapshotProxy.ValidSnapshotProxies = [];
+        WebInspector.HeapSnapshotProxy.ValidSnapshotProxies.push(this);
+    }
+
+    // Static
+
+    static deserialize(objectId, serializedSnapshot)
+    {
+        let {identifier, title, totalSize, totalObjectCount, liveSize, categories} = serializedSnapshot;
+        return new WebInspector.HeapSnapshotProxy(objectId, identifier, title, totalSize, totalObjectCount, liveSize, categories);
+    }
+
+    static invalidateSnapshotProxies()
+    {
+        if (!WebInspector.HeapSnapshotProxy.ValidSnapshotProxies)
+            return;
+
+        for (let snapshotProxy of WebInspector.HeapSnapshotProxy.ValidSnapshotProxies)
+            snapshotProxy._invalidate();
+
+        WebInspector.HeapSnapshotProxy.ValidSnapshotProxies = null;
+    }
+
+    // Public
+
+    get proxyObjectId() { return this._proxyObjectId; }
+    get identifier() { return this._identifier; }
+    get title() { return this._title; }
+    get totalSize() { return this._totalSize; }
+    get totalObjectCount() { return this._totalObjectCount; }
+    get liveSize() { return this._liveSize; }
+    get categories() { return this._categories; }
+    get invalid() { return this._proxyObjectId === 0; }
+
+    updateForCollectionEvent(event)
+    {
+        console.assert(!this.invalid);
+        if (!event.data.affectedSnapshots.includes(this._identifier))
+            return;
+
+        this.update(() => {
+            this.dispatchEventToListeners(WebInspector.HeapSnapshotProxy.Event.CollectedNodes, event.data);
+        });
+    }
+
+    allocationBucketCounts(bucketSizes, callback)
+    {
+        console.assert(!this.invalid);
+        WebInspector.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "allocationBucketCounts", bucketSizes, callback);
+    }
+
+    instancesWithClassName(className, callback)
+    {
+        console.assert(!this.invalid);
+        WebInspector.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "instancesWithClassName", className, (serializedNodes) => {
+            callback(serializedNodes.map(WebInspector.HeapSnapshotNodeProxy.deserialize.bind(null, this._proxyObjectId)));
+        });
+    }
+
+    update(callback)
+    {
+        console.assert(!this.invalid);
+        WebInspector.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "update", ({liveSize, categories}) => {
+            this._liveSize = liveSize;
+            this._categories = Map.fromObject(categories);
+            callback();
+        });
+    }
+
+    nodeWithIdentifier(nodeIdentifier, callback)
+    {
+        console.assert(!this.invalid);
+        WebInspector.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "nodeWithIdentifier", nodeIdentifier, (serializedNode) => {
+            callback(WebInspector.HeapSnapshotNodeProxy.deserialize(this._proxyObjectId, serializedNode));
+        });
+    }
+
+    // Private
+
+    _invalidate()
+    {
+        this._proxyObjectId = 0;
+        this._liveSize = 0;
+
+        this.dispatchEventToListeners(WebInspector.HeapSnapshotProxy.Event.Invalidated);
+    }
+};
+
+WebInspector.HeapSnapshotProxy.Event = {
+    CollectedNodes: "heap-snapshot-proxy-collected-nodes",
+    Invalidated: "heap-snapshot-proxy-invalidated",
+};