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:
PageInspectorProxy(WorkerGlobalScope * workerGlobalScope)63 explicit PageInspectorProxy(WorkerGlobalScope* workerGlobalScope) : m_workerGlobalScope(workerGlobalScope) { }
~PageInspectorProxy()64 virtual ~PageInspectorProxy() { }
65 private:
sendMessageToFrontend(PassRefPtr<JSONObject> message)66 virtual void sendMessageToFrontend(PassRefPtr<JSONObject> message) OVERRIDE
67 {
68 m_workerGlobalScope->thread()->workerReportingProxy().postMessageToPageInspector(message->toJSONString());
69 }
flush()70 virtual void flush() OVERRIDE { }
71 WorkerGlobalScope* m_workerGlobalScope;
72 };
73
74 class WorkerStateClient FINAL : public InspectorStateClient {
75 WTF_MAKE_FAST_ALLOCATED;
76 public:
WorkerStateClient(WorkerGlobalScope * context)77 WorkerStateClient(WorkerGlobalScope* context) : m_workerGlobalScope(context) { }
~WorkerStateClient()78 virtual ~WorkerStateClient() { }
79
80 private:
updateInspectorStateCookie(const String & cookie)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
WorkerInspectorController(WorkerGlobalScope * workerGlobalScope)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
~WorkerInspectorController()115 WorkerInspectorController::~WorkerInspectorController()
116 {
117 }
118
connectFrontend()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
disconnectFrontend()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
restoreInspectorStateFromCookie(const String & inspectorCookie)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
dispatchMessageFromFrontend(const String & message)155 void WorkerInspectorController::dispatchMessageFromFrontend(const String& message)
156 {
157 if (m_backendDispatcher)
158 m_backendDispatcher->dispatch(message);
159 }
160
resume()161 void WorkerInspectorController::resume()
162 {
163 if (WorkerRuntimeAgent* runtimeAgent = m_instrumentingAgents->workerRuntimeAgent()) {
164 ErrorString unused;
165 runtimeAgent->run(&unused);
166 }
167 }
168
dispose()169 void WorkerInspectorController::dispose()
170 {
171 m_instrumentingAgents->reset();
172 disconnectFrontend();
173 }
174
interruptAndDispatchInspectorCommands()175 void WorkerInspectorController::interruptAndDispatchInspectorCommands()
176 {
177 m_workerDebuggerAgent->interruptAndDispatchInspectorCommands();
178 }
179
trace(Visitor * visitor)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