| /* |
| * 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. |
| */ |
| |
| WI.HeapSnapshotDiffProxy = class HeapSnapshotDiffProxy extends WI.Object |
| { |
| constructor(snapshotDiffObjectId, snapshot1, snapshot2, totalSize, totalObjectCount, categories) |
| { |
| super(); |
| |
| this._proxyObjectId = snapshotDiffObjectId; |
| |
| console.assert(snapshot1 instanceof WI.HeapSnapshotProxy); |
| console.assert(snapshot2 instanceof WI.HeapSnapshotProxy); |
| |
| this._snapshot1 = snapshot1; |
| this._snapshot2 = snapshot2; |
| this._totalSize = totalSize; |
| this._totalObjectCount = totalObjectCount; |
| this._categories = Map.fromObject(categories); |
| } |
| |
| // Static |
| |
| static deserialize(objectId, serializedSnapshotDiff) |
| { |
| let {snapshot1: serializedSnapshot1, snapshot2: serializedSnapshot2, totalSize, totalObjectCount, categories} = serializedSnapshotDiff; |
| // FIXME: The objectId for these snapshots is the snapshotDiff's objectId. Currently these |
| // snapshots are only used for static data so the proxing doesn't matter. However, |
| // should we serialize the objectId with the snapshot so we have the right objectId? |
| let snapshot1 = WI.HeapSnapshotProxy.deserialize(objectId, serializedSnapshot1); |
| let snapshot2 = WI.HeapSnapshotProxy.deserialize(objectId, serializedSnapshot2); |
| return new WI.HeapSnapshotDiffProxy(objectId, snapshot1, snapshot2, totalSize, totalObjectCount, categories); |
| } |
| |
| // Public |
| |
| get snapshot1() { return this._snapshot1; } |
| get snapshot2() { return this._snapshot2; } |
| get totalSize() { return this._totalSize; } |
| get totalObjectCount() { return this._totalObjectCount; } |
| get categories() { return this._categories; } |
| get invalid() { return this._snapshot1.invalid || this._snapshot2.invalid; } |
| |
| updateForCollectionEvent(event) |
| { |
| console.assert(!this.invalid); |
| if (!event.data.affectedSnapshots.includes(this._snapshot2._identifier)) |
| return; |
| |
| this.update(() => { |
| this.dispatchEventToListeners(WI.HeapSnapshotProxy.Event.CollectedNodes, event.data); |
| }); |
| } |
| |
| allocationBucketCounts(bucketSizes, callback) |
| { |
| console.assert(!this.invalid); |
| WI.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "allocationBucketCounts", bucketSizes, callback); |
| } |
| |
| instancesWithClassName(className, callback) |
| { |
| console.assert(!this.invalid); |
| WI.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "instancesWithClassName", className, (serializedNodes) => { |
| callback(serializedNodes.map(WI.HeapSnapshotNodeProxy.deserialize.bind(null, this._proxyObjectId))); |
| }); |
| } |
| |
| update(callback) |
| { |
| console.assert(!this.invalid); |
| WI.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "update", ({liveSize, categories}) => { |
| this._categories = Map.fromObject(categories); |
| callback(); |
| }); |
| } |
| |
| nodeWithIdentifier(nodeIdentifier, callback) |
| { |
| console.assert(!this.invalid); |
| WI.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "nodeWithIdentifier", nodeIdentifier, (serializedNode) => { |
| callback(WI.HeapSnapshotNodeProxy.deserialize(this._proxyObjectId, serializedNode)); |
| }); |
| } |
| }; |