Andrew Zambazos
108 lines
4.6 KiB
JavaScript
108 lines
4.6 KiB
JavaScript
/*
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* Copyright (C) 2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WI.HeapSnapshotDiffProxy = class HeapSnapshotDiffProxy extends WI.Object
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{
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constructor(snapshotDiffObjectId, snapshot1, snapshot2, totalSize, totalObjectCount, categories)
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{
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super();
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this._proxyObjectId = snapshotDiffObjectId;
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console.assert(snapshot1 instanceof WI.HeapSnapshotProxy);
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console.assert(snapshot2 instanceof WI.HeapSnapshotProxy);
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this._snapshot1 = snapshot1;
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this._snapshot2 = snapshot2;
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this._totalSize = totalSize;
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this._totalObjectCount = totalObjectCount;
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this._categories = Map.fromObject(categories);
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}
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// Static
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static deserialize(objectId, serializedSnapshotDiff)
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{
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let {snapshot1: serializedSnapshot1, snapshot2: serializedSnapshot2, totalSize, totalObjectCount, categories} = serializedSnapshotDiff;
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// FIXME: The objectId for these snapshots is the snapshotDiff's objectId. Currently these
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// snapshots are only used for static data so the proxing doesn't matter. However,
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// should we serialize the objectId with the snapshot so we have the right objectId?
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let snapshot1 = WI.HeapSnapshotProxy.deserialize(objectId, serializedSnapshot1);
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let snapshot2 = WI.HeapSnapshotProxy.deserialize(objectId, serializedSnapshot2);
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return new WI.HeapSnapshotDiffProxy(objectId, snapshot1, snapshot2, totalSize, totalObjectCount, categories);
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}
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// Public
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get snapshot1() { return this._snapshot1; }
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get snapshot2() { return this._snapshot2; }
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get totalSize() { return this._totalSize; }
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get totalObjectCount() { return this._totalObjectCount; }
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get categories() { return this._categories; }
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get invalid() { return this._snapshot1.invalid || this._snapshot2.invalid; }
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updateForCollectionEvent(event)
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{
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console.assert(!this.invalid);
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if (!event.data.affectedSnapshots.includes(this._snapshot2._identifier))
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return;
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this.update(() => {
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this.dispatchEventToListeners(WI.HeapSnapshotProxy.Event.CollectedNodes, event.data);
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});
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}
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allocationBucketCounts(bucketSizes, callback)
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{
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console.assert(!this.invalid);
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WI.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "allocationBucketCounts", bucketSizes, callback);
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}
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instancesWithClassName(className, callback)
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{
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console.assert(!this.invalid);
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WI.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "instancesWithClassName", className, (serializedNodes) => {
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callback(serializedNodes.map(WI.HeapSnapshotNodeProxy.deserialize.bind(null, this._proxyObjectId)));
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});
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}
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update(callback)
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{
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console.assert(!this.invalid);
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WI.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "update", ({liveSize, categories}) => {
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this._categories = Map.fromObject(categories);
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callback();
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});
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}
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nodeWithIdentifier(nodeIdentifier, callback)
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{
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console.assert(!this.invalid);
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WI.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "nodeWithIdentifier", nodeIdentifier, (serializedNode) => {
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callback(WI.HeapSnapshotNodeProxy.deserialize(this._proxyObjectId, serializedNode));
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});
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}
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};
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