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 /** 52 * @param {string} name 53 * @param {*} data 54 */ 55 sendEvent: function(name, data) 56 { 57 this._postMessage({eventName: name, data: data}); 58 }, 59 60 dispatchMessage: function(event) 61 { 62 var data = /** @type {!WebInspector.HeapSnapshotCommon.WorkerCommand } */(event.data); 63 var response = {callId: data.callId}; 64 try { 65 switch (data.disposition) { 66 case "create": { 67 var constructorFunction = this._findFunction(data.methodName); 68 this._objects[data.objectId] = new constructorFunction(this); 69 break; 70 } 71 case "dispose": { 72 delete this._objects[data.objectId]; 73 break; 74 } 75 case "getter": { 76 var object = this._objects[data.objectId]; 77 var result = object[data.methodName]; 78 response.result = result; 79 break; 80 } 81 case "factory": { 82 var object = this._objects[data.objectId]; 83 var result = object[data.methodName].apply(object, data.methodArguments); 84 if (result) 85 this._objects[data.newObjectId] = result; 86 response.result = !!result; 87 break; 88 } 89 case "method": { 90 var object = this._objects[data.objectId]; 91 response.result = object[data.methodName].apply(object, data.methodArguments); 92 break; 93 } 94 case "evaluateForTest": { 95 try { 96 response.result = eval(data.source) 97 } catch (e) { 98 response.result = e.toString(); 99 } 100 break; 101 } 102 } 103 } catch (e) { 104 response.error = e.toString(); 105 response.errorCallStack = e.stack; 106 if (data.methodName) 107 response.errorMethodName = data.methodName; 108 } 109 this._postMessage(response); 110 } 111 }; 112
