Demo/bin/Debug/front_end/profiler/HeapSnapshotProxy.js

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/*
 * Copyright (C) 2011 Google 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:
 *
 *     * Redistributions of source code must retain the above copyrightdd
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER OR 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.
 */

/**
 * @constructor
 * @param {function(string, *)} eventHandler
 * @extends {WebInspector.Object}
 */
WebInspector.HeapSnapshotWorkerProxy = function(eventHandler)
{
    this._eventHandler = eventHandler;
    this._nextObjectId = 1;
    this._nextCallId = 1;
    this._callbacks = [];
    this._previousCallbacks = [];
    this._worker = new WorkerRuntime.Worker("heap_snapshot_worker");
    this._worker.onmessage = this._messageReceived.bind(this);
}

WebInspector.HeapSnapshotWorkerProxy.prototype = {
    /**
     * @param {number} profileUid
     * @param {function(!WebInspector.HeapSnapshotProxy)} snapshotReceivedCallback
     * @return {!WebInspector.HeapSnapshotLoaderProxy}
     */
    createLoader: function(profileUid, snapshotReceivedCallback)
    {
        var objectId = this._nextObjectId++;
        var proxy = new WebInspector.HeapSnapshotLoaderProxy(this, objectId, profileUid, snapshotReceivedCallback);
        this._postMessage({callId: this._nextCallId++, disposition: "create", objectId: objectId, methodName: "WebInspector.HeapSnapshotLoader"});
        return proxy;
    },
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