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 33 #include "core/inspector/WorkerInspectorController.h" 34 35 #include "core/InspectorBackendDispatcher.h" 36 #include "core/InspectorFrontend.h" 37 #include "core/inspector/InjectedScriptHost.h" 38 #include "core/inspector/InjectedScriptManager.h" 39 #include "core/inspector/InspectorConsoleAgent.h" 40 #include "core/inspector/InspectorFrontendChannel.h" 41 #include "core/inspector/InspectorHeapProfilerAgent.h" 42 #include "core/inspector/InspectorInstrumentation.h" 43 #include "core/inspector/InspectorProfilerAgent.h" 44 #include "core/inspector/InspectorState.h" 45 #include "core/inspector/InspectorStateClient.h" 46 #include "core/inspector/InspectorTimelineAgent.h" 47 #include "core/inspector/InstrumentingAgents.h" 48 #include "core/inspector/WorkerConsoleAgent.h" 49 #include "core/inspector/WorkerDebuggerAgent.h" 50 #include "core/inspector/WorkerRuntimeAgent.h" 51 #include "core/workers/WorkerGlobalScope.h" 52 #include "core/workers/WorkerReportingProxy.h" 53 #include "core/workers/WorkerThread.h" 54 #include "wtf/PassOwnPtr.h" 55 56 namespace blink { 57 58 namespace { 59 60 class PageInspectorProxy FINAL : public InspectorFrontendChannel { 61 WTF_MAKE_FAST_ALLOCATED; 62 public: 63 explicit PageInspectorProxy(WorkerGlobalScope* workerGlobalScope) : m_workerGlobalScope(workerGlobalScope) { } 64 virtual ~PageInspectorProxy() { } 65 private: 66 virtual void sendMessageToFrontend(PassRefPtr<JSONObject> message) OVERRIDE 67 { 68 m_workerGlobalScope->thread()->workerReportingProxy().postMessageToPageInspector(message->toJSONString()); 69 } 70 virtual void flush() OVERRIDE { } 71 WorkerGlobalScope* m_workerGlobalScope; 72 }; 73 74 class WorkerStateClient FINAL : public InspectorStateClient { 75 WTF_MAKE_FAST_ALLOCATED; 76 public: 77 WorkerStateClient(WorkerGlobalScope* context) : m_workerGlobalScope(context) { } 78 virtual ~WorkerStateClient() { } 79 80 private: 81 virtual void updateInspectorStateCookie(const String& cookie) OVERRIDE 82 { 83 m_workerGlobalScope->thread()->workerReportingProxy().updateInspectorStateCookie(cookie); 84 } 85 86 WorkerGlobalScope* m_workerGlobalScope; 87 }; 88 89 } 90 91 WorkerInspectorController::WorkerInspectorController(WorkerGlobalScope* workerGlobalScope) 92 : m_workerGlobalScope(workerGlobalScope) 93 , m_stateClient(adoptPtr(new WorkerStateClient(workerGlobalScope))) 94 , m_state(adoptPtrWillBeNoop(new InspectorCompositeState(m_stateClient.get()))) 95 , m_instrumentingAgents(InstrumentingAgents::create()) 96 , m_injectedScriptManager(InjectedScriptManager::createForWorker()) 97 , m_debugServer(adoptPtr(new WorkerScriptDebugServer(workerGlobalScope))) 98 , m_agents(m_instrumentingAgents.get(), m_state.get()) 99 { 100 m_agents.append(WorkerRuntimeAgent::create(m_injectedScriptManager.get(), m_debugServer.get(), workerGlobalScope)); 101 102 OwnPtrWillBeRawPtr<InspectorTimelineAgent> timelineAgent = InspectorTimelineAgent::create(0, 0, 0, InspectorTimelineAgent::WorkerInspector, 0); 103 OwnPtrWillBeRawPtr<WorkerDebuggerAgent> workerDebuggerAgent = WorkerDebuggerAgent::create(m_debugServer.get(), workerGlobalScope, m_injectedScriptManager.get()); 104 m_workerDebuggerAgent = workerDebuggerAgent.get(); 105 m_agents.append(workerDebuggerAgent.release()); 106 107 m_agents.append(InspectorProfilerAgent::create(m_injectedScriptManager.get(), 0)); 108 m_agents.append(InspectorHeapProfilerAgent::create(m_injectedScriptManager.get())); 109 m_agents.append(WorkerConsoleAgent::create(timelineAgent.get(), m_injectedScriptManager.get(), workerGlobalScope)); 110 m_agents.append(timelineAgent.release()); 111 112 m_injectedScriptManager->injectedScriptHost()->init(m_instrumentingAgents.get(), m_debugServer.get()); 113 } 114 115 WorkerInspectorController::~WorkerInspectorController() 116 { 117 } 118 119 void WorkerInspectorController::connectFrontend() 120 { 121 ASSERT(!m_frontend); 122 m_state->unmute(); 123 m_frontendChannel = adoptPtr(new PageInspectorProxy(m_workerGlobalScope)); 124 m_frontend = adoptPtr(new InspectorFrontend(m_frontendChannel.get())); 125 m_backendDispatcher = InspectorBackendDispatcher::create(m_frontendChannel.get()); 126 m_agents.registerInDispatcher(m_backendDispatcher.get()); 127 m_agents.setFrontend(m_frontend.get()); 128 InspectorInstrumentation::frontendCreated(); 129 } 130 131 void WorkerInspectorController::disconnectFrontend() 132 { 133 if (!m_frontend) 134 return; 135 m_backendDispatcher->clearFrontend(); 136 m_backendDispatcher.clear(); 137 // Destroying agents would change the state, but we don't want that. 138 // Pre-disconnect state will be used to restore inspector agents. 139 m_state->mute(); 140 m_agents.clearFrontend(); 141 m_frontend.clear(); 142 InspectorInstrumentation::frontendDeleted(); 143 m_frontendChannel.clear(); 144 } 145 146 void WorkerInspectorController::restoreInspectorStateFromCookie(const String& inspectorCookie) 147 { 148 ASSERT(!m_frontend); 149 connectFrontend(); 150 m_state->loadFromCookie(inspectorCookie); 151 152 m_agents.restore(); 153 } 154 155 void WorkerInspectorController::dispatchMessageFromFrontend(const String& message) 156 { 157 if (m_backendDispatcher) 158 m_backendDispatcher->dispatch(message); 159 } 160 161 void WorkerInspectorController::resume() 162 { 163 if (WorkerRuntimeAgent* runtimeAgent = m_instrumentingAgents->workerRuntimeAgent()) { 164 ErrorString unused; 165 runtimeAgent->run(&unused); 166 } 167 } 168 169 void WorkerInspectorController::dispose() 170 { 171 m_instrumentingAgents->reset(); 172 disconnectFrontend(); 173 } 174 175 void WorkerInspectorController::interruptAndDispatchInspectorCommands() 176 { 177 m_workerDebuggerAgent->interruptAndDispatchInspectorCommands(); 178 } 179 180 void WorkerInspectorController::trace(Visitor* visitor) 181 { 182 visitor->trace(m_workerGlobalScope); 183 visitor->trace(m_state); 184 visitor->trace(m_instrumentingAgents); 185 visitor->trace(m_injectedScriptManager); 186 visitor->trace(m_backendDispatcher); 187 visitor->trace(m_agents); 188 visitor->trace(m_workerDebuggerAgent); 189 } 190 191 } 192