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#include "config.h" 32#include "WorkerRuntimeAgent.h" 33 34#if ENABLE(INSPECTOR) 35 36#include "InstrumentingAgents.h" 37#include "JSDOMWindowBase.h" 38#include "ScriptState.h" 39#include "WorkerDebuggerAgent.h" 40#include "WorkerGlobalScope.h" 41#include "WorkerRunLoop.h" 42#include "WorkerThread.h" 43#include <inspector/InjectedScript.h> 44#include <inspector/InjectedScriptManager.h> 45 46using namespace Inspector; 47 48namespace WebCore { 49 50WorkerRuntimeAgent::WorkerRuntimeAgent(InjectedScriptManager* injectedScriptManager, WorkerGlobalScope* workerGlobalScope) 51 : InspectorRuntimeAgent(injectedScriptManager) 52 , m_workerGlobalScope(workerGlobalScope) 53 , m_paused(false) 54{ 55} 56 57void WorkerRuntimeAgent::didCreateFrontendAndBackend(Inspector::InspectorFrontendChannel*, InspectorBackendDispatcher* backendDispatcher) 58{ 59 m_backendDispatcher = InspectorRuntimeBackendDispatcher::create(backendDispatcher, this); 60} 61 62void WorkerRuntimeAgent::willDestroyFrontendAndBackend(InspectorDisconnectReason) 63{ 64 m_backendDispatcher.clear(); 65} 66 67InjectedScript WorkerRuntimeAgent::injectedScriptForEval(ErrorString* error, const int* executionContextId) 68{ 69 if (executionContextId) { 70 *error = ASCIILiteral("Execution context id is not supported for workers as there is only one execution context."); 71 return InjectedScript(); 72 } 73 74 JSC::ExecState* scriptState = execStateFromWorkerGlobalScope(m_workerGlobalScope); 75 return injectedScriptManager()->injectedScriptFor(scriptState); 76} 77 78void WorkerRuntimeAgent::muteConsole() 79{ 80 // We don't need to mute console for workers. 81} 82 83void WorkerRuntimeAgent::unmuteConsole() 84{ 85 // We don't need to mute console for workers. 86} 87 88void WorkerRuntimeAgent::run(ErrorString*) 89{ 90 m_paused = false; 91} 92 93JSC::VM& WorkerRuntimeAgent::globalVM() 94{ 95 return JSDOMWindowBase::commonVM(); 96} 97 98void WorkerRuntimeAgent::pauseWorkerGlobalScope(WorkerGlobalScope* context) 99{ 100 m_paused = true; 101 MessageQueueWaitResult result; 102 do { 103 result = context->thread().runLoop().runInMode(context, WorkerDebuggerAgent::debuggerTaskMode); 104 // Keep waiting until execution is resumed. 105 } while (result == MessageQueueMessageReceived && m_paused); 106} 107 108} // namespace WebCore 109 110#endif // ENABLE(INSPECTOR) 111