1 /* 2 * Copyright (C) 2011 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /** 32 * @constructor 33 */ 34 WebInspector.HeapSnapshotWorkerDispatcher = function(globalObject, postMessage) 35 { 36 this._objects = []; 37 this._global = globalObject; 38 this._postMessage = postMessage; 39 } 40 41 WebInspector.HeapSnapshotWorkerDispatcher.prototype = { 42 _findFunction: function(name) 43 { 44 var path = name.split("."); 45 var result = this._global; 46 for (var i = 0; i < path.length; ++i) 47 result = result[path[i]]; 48 return result; 49 }, 50 51 dispatchMessage: function(event) 52 { 53 var data = event.data; 54 var response = {callId: data.callId}; 55 try { 56 switch (data.disposition) { 57 case "create": { 58 var constructorFunction = this._findFunction(data.methodName); 59 this._objects[data.objectId] = new constructorFunction(); 60 break; 61 } 62 case "dispose": { 63 delete this._objects[data.objectId]; 64 break; 65 } 66 case "getter": { 67 var object = this._objects[data.objectId]; 68 var result = object[data.methodName]; 69 response.result = result; 70 break; 71 } 72 case "factory": { 73 var object = this._objects[data.objectId]; 74 var result = object[data.methodName].apply(object, data.methodArguments); 75 if (result) 76 this._objects[data.newObjectId] = result; 77 response.result = !!result; 78 break; 79 } 80 case "method": { 81 var object = this._objects[data.objectId]; 82 response.result = object[data.methodName].apply(object, data.methodArguments); 83 break; 84 } 85 } 86 } catch (e) { 87 response.error = e.toString(); 88 response.errorCallStack = e.stack; 89 if (data.methodName) 90 response.errorMethodName = data.methodName; 91 } 92 this._postMessage(response); 93 } 94 }; 95
