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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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57 #include "web/IndexedDBClientImpl.h" | 57 #include "web/IndexedDBClientImpl.h" |
58 #include "web/WebMediaPlayerClientImpl.h" | 58 #include "web/WebMediaPlayerClientImpl.h" |
59 #include "wtf/Assertions.h" | 59 #include "wtf/Assertions.h" |
60 #include "wtf/CryptographicallyRandomNumber.h" | 60 #include "wtf/CryptographicallyRandomNumber.h" |
61 #include "wtf/MainThread.h" | 61 #include "wtf/MainThread.h" |
62 #include "wtf/WTF.h" | 62 #include "wtf/WTF.h" |
63 #include "wtf/text/AtomicString.h" | 63 #include "wtf/text/AtomicString.h" |
64 #include "wtf/text/TextEncoding.h" | 64 #include "wtf/text/TextEncoding.h" |
65 #include <v8.h> | 65 #include <v8.h> |
66 | 66 |
67 using WebCore::LayoutTestSupport; | 67 using blink::LayoutTestSupport; |
68 | 68 |
69 namespace blink { | 69 namespace blink { |
70 | 70 |
71 namespace { | 71 namespace { |
72 | 72 |
73 class EndOfTaskRunner : public WebThread::TaskObserver { | 73 class EndOfTaskRunner : public WebThread::TaskObserver { |
74 public: | 74 public: |
75 virtual void willProcessTask() OVERRIDE | 75 virtual void willProcessTask() OVERRIDE |
76 { | 76 { |
77 WebCore::AnimationClock::notifyTaskStart(); | 77 blink::AnimationClock::notifyTaskStart(); |
78 } | 78 } |
79 virtual void didProcessTask() OVERRIDE | 79 virtual void didProcessTask() OVERRIDE |
80 { | 80 { |
81 WebCore::Microtask::performCheckpoint(); | 81 blink::Microtask::performCheckpoint(); |
82 WebCore::V8GCController::reportDOMMemoryUsageToV8(mainThreadIsolate()); | 82 blink::V8GCController::reportDOMMemoryUsageToV8(mainThreadIsolate()); |
83 } | 83 } |
84 }; | 84 }; |
85 | 85 |
86 } // namespace | 86 } // namespace |
87 | 87 |
88 static WebThread::TaskObserver* s_endOfTaskRunner = 0; | 88 static WebThread::TaskObserver* s_endOfTaskRunner = 0; |
89 static WebThread::TaskObserver* s_pendingGCRunner = 0; | 89 static WebThread::TaskObserver* s_pendingGCRunner = 0; |
90 static WebCore::ThreadState::Interruptor* s_messageLoopInterruptor = 0; | 90 static blink::ThreadState::Interruptor* s_messageLoopInterruptor = 0; |
91 static WebCore::ThreadState::Interruptor* s_isolateInterruptor = 0; | 91 static blink::ThreadState::Interruptor* s_isolateInterruptor = 0; |
92 | 92 |
93 // Make sure we are not re-initialized in the same address space. | 93 // Make sure we are not re-initialized in the same address space. |
94 // Doing so may cause hard to reproduce crashes. | 94 // Doing so may cause hard to reproduce crashes. |
95 static bool s_webKitInitialized = false; | 95 static bool s_webKitInitialized = false; |
96 | 96 |
97 static bool generateEntropy(unsigned char* buffer, size_t length) | 97 static bool generateEntropy(unsigned char* buffer, size_t length) |
98 { | 98 { |
99 if (Platform::current()) { | 99 if (Platform::current()) { |
100 Platform::current()->cryptographicallyRandomValues(buffer, length); | 100 Platform::current()->cryptographicallyRandomValues(buffer, length); |
101 return true; | 101 return true; |
102 } | 102 } |
103 return false; | 103 return false; |
104 } | 104 } |
105 | 105 |
106 void initialize(Platform* platform) | 106 void initialize(Platform* platform) |
107 { | 107 { |
108 initializeWithoutV8(platform); | 108 initializeWithoutV8(platform); |
109 | 109 |
110 v8::V8::InitializePlatform(gin::V8Platform::Get()); | 110 v8::V8::InitializePlatform(gin::V8Platform::Get()); |
111 v8::Isolate* isolate = v8::Isolate::New(); | 111 v8::Isolate* isolate = v8::Isolate::New(); |
112 isolate->Enter(); | 112 isolate->Enter(); |
113 WebCore::V8Initializer::initializeMainThreadIfNeeded(isolate); | 113 blink::V8Initializer::initializeMainThreadIfNeeded(isolate); |
114 v8::V8::SetEntropySource(&generateEntropy); | 114 v8::V8::SetEntropySource(&generateEntropy); |
115 v8::V8::SetArrayBufferAllocator(WebCore::v8ArrayBufferAllocator()); | 115 v8::V8::SetArrayBufferAllocator(blink::v8ArrayBufferAllocator()); |
116 v8::V8::Initialize(); | 116 v8::V8::Initialize(); |
117 WebCore::V8PerIsolateData::ensureInitialized(isolate); | 117 blink::V8PerIsolateData::ensureInitialized(isolate); |
118 | 118 |
119 s_isolateInterruptor = new WebCore::V8IsolateInterruptor(v8::Isolate::GetCur
rent()); | 119 s_isolateInterruptor = new blink::V8IsolateInterruptor(v8::Isolate::GetCurre
nt()); |
120 WebCore::ThreadState::current()->addInterruptor(s_isolateInterruptor); | 120 blink::ThreadState::current()->addInterruptor(s_isolateInterruptor); |
121 | 121 |
122 // currentThread will always be non-null in production, but can be null in C
hromium unit tests. | 122 // currentThread will always be non-null in production, but can be null in C
hromium unit tests. |
123 if (WebThread* currentThread = platform->currentThread()) { | 123 if (WebThread* currentThread = platform->currentThread()) { |
124 ASSERT(!s_endOfTaskRunner); | 124 ASSERT(!s_endOfTaskRunner); |
125 s_endOfTaskRunner = new EndOfTaskRunner; | 125 s_endOfTaskRunner = new EndOfTaskRunner; |
126 currentThread->addTaskObserver(s_endOfTaskRunner); | 126 currentThread->addTaskObserver(s_endOfTaskRunner); |
127 } | 127 } |
128 } | 128 } |
129 | 129 |
130 v8::Isolate* mainThreadIsolate() | 130 v8::Isolate* mainThreadIsolate() |
131 { | 131 { |
132 return WebCore::V8PerIsolateData::mainThreadIsolate(); | 132 return blink::V8PerIsolateData::mainThreadIsolate(); |
133 } | 133 } |
134 | 134 |
135 static double currentTimeFunction() | 135 static double currentTimeFunction() |
136 { | 136 { |
137 return Platform::current()->currentTime(); | 137 return Platform::current()->currentTime(); |
138 } | 138 } |
139 | 139 |
140 static double monotonicallyIncreasingTimeFunction() | 140 static double monotonicallyIncreasingTimeFunction() |
141 { | 141 { |
142 return Platform::current()->monotonicallyIncreasingTime(); | 142 return Platform::current()->monotonicallyIncreasingTime(); |
143 } | 143 } |
144 | 144 |
145 static void cryptographicallyRandomValues(unsigned char* buffer, size_t length) | 145 static void cryptographicallyRandomValues(unsigned char* buffer, size_t length) |
146 { | 146 { |
147 Platform::current()->cryptographicallyRandomValues(buffer, length); | 147 Platform::current()->cryptographicallyRandomValues(buffer, length); |
148 } | 148 } |
149 | 149 |
150 static void callOnMainThreadFunction(WTF::MainThreadFunction function, void* con
text) | 150 static void callOnMainThreadFunction(WTF::MainThreadFunction function, void* con
text) |
151 { | 151 { |
152 WebCore::Scheduler::shared()->postTask(bind(function, context)); | 152 blink::Scheduler::shared()->postTask(bind(function, context)); |
153 } | 153 } |
154 | 154 |
155 void initializeWithoutV8(Platform* platform) | 155 void initializeWithoutV8(Platform* platform) |
156 { | 156 { |
157 ASSERT(!s_webKitInitialized); | 157 ASSERT(!s_webKitInitialized); |
158 s_webKitInitialized = true; | 158 s_webKitInitialized = true; |
159 | 159 |
160 ASSERT(platform); | 160 ASSERT(platform); |
161 Platform::initialize(platform); | 161 Platform::initialize(platform); |
162 | 162 |
163 WTF::setRandomSource(cryptographicallyRandomValues); | 163 WTF::setRandomSource(cryptographicallyRandomValues); |
164 WTF::initialize(currentTimeFunction, monotonicallyIncreasingTimeFunction); | 164 WTF::initialize(currentTimeFunction, monotonicallyIncreasingTimeFunction); |
165 WTF::initializeMainThread(callOnMainThreadFunction); | 165 WTF::initializeMainThread(callOnMainThreadFunction); |
166 WebCore::Heap::init(); | 166 blink::Heap::init(); |
167 WebCore::Scheduler::initializeOnMainThread(); | 167 blink::Scheduler::initializeOnMainThread(); |
168 | 168 |
169 WebCore::ThreadState::attachMainThread(); | 169 blink::ThreadState::attachMainThread(); |
170 // currentThread will always be non-null in production, but can be null in C
hromium unit tests. | 170 // currentThread will always be non-null in production, but can be null in C
hromium unit tests. |
171 if (WebThread* currentThread = platform->currentThread()) { | 171 if (WebThread* currentThread = platform->currentThread()) { |
172 ASSERT(!s_pendingGCRunner); | 172 ASSERT(!s_pendingGCRunner); |
173 s_pendingGCRunner = new WebCore::PendingGCRunner; | 173 s_pendingGCRunner = new blink::PendingGCRunner; |
174 currentThread->addTaskObserver(s_pendingGCRunner); | 174 currentThread->addTaskObserver(s_pendingGCRunner); |
175 | 175 |
176 ASSERT(!s_messageLoopInterruptor); | 176 ASSERT(!s_messageLoopInterruptor); |
177 s_messageLoopInterruptor = new WebCore::MessageLoopInterruptor(currentTh
read); | 177 s_messageLoopInterruptor = new blink::MessageLoopInterruptor(currentThre
ad); |
178 WebCore::ThreadState::current()->addInterruptor(s_messageLoopInterruptor
); | 178 blink::ThreadState::current()->addInterruptor(s_messageLoopInterruptor); |
179 } | 179 } |
180 | 180 |
181 DEFINE_STATIC_LOCAL(WebCore::ModulesInitializer, initializer, ()); | 181 DEFINE_STATIC_LOCAL(blink::ModulesInitializer, initializer, ()); |
182 initializer.init(); | 182 initializer.init(); |
183 | 183 |
184 // There are some code paths (for example, running WebKit in the browser | 184 // There are some code paths (for example, running WebKit in the browser |
185 // process and calling into LocalStorage before anything else) where the | 185 // process and calling into LocalStorage before anything else) where the |
186 // UTF8 string encoding tables are used on a background thread before | 186 // UTF8 string encoding tables are used on a background thread before |
187 // they're set up. This is a problem because their set up routines assert | 187 // they're set up. This is a problem because their set up routines assert |
188 // they're running on the main WebKitThread. It might be possible to make | 188 // they're running on the main WebKitThread. It might be possible to make |
189 // the initialization thread-safe, but given that so many code paths use | 189 // the initialization thread-safe, but given that so many code paths use |
190 // this, initializing this lazily probably doesn't buy us much. | 190 // this, initializing this lazily probably doesn't buy us much. |
191 WTF::UTF8Encoding(); | 191 WTF::UTF8Encoding(); |
192 | 192 |
193 WebCore::setIndexedDBClientCreateFunction(blink::IndexedDBClientImpl::create
); | 193 blink::setIndexedDBClientCreateFunction(blink::IndexedDBClientImpl::create); |
194 | 194 |
195 WebCore::MediaPlayer::setMediaEngineCreateFunction(blink::WebMediaPlayerClie
ntImpl::create); | 195 blink::MediaPlayer::setMediaEngineCreateFunction(blink::WebMediaPlayerClient
Impl::create); |
196 } | 196 } |
197 | 197 |
198 void shutdown() | 198 void shutdown() |
199 { | 199 { |
200 // currentThread will always be non-null in production, but can be null in C
hromium unit tests. | 200 // currentThread will always be non-null in production, but can be null in C
hromium unit tests. |
201 if (Platform::current()->currentThread()) { | 201 if (Platform::current()->currentThread()) { |
202 ASSERT(s_endOfTaskRunner); | 202 ASSERT(s_endOfTaskRunner); |
203 Platform::current()->currentThread()->removeTaskObserver(s_endOfTaskRunn
er); | 203 Platform::current()->currentThread()->removeTaskObserver(s_endOfTaskRunn
er); |
204 delete s_endOfTaskRunner; | 204 delete s_endOfTaskRunner; |
205 s_endOfTaskRunner = 0; | 205 s_endOfTaskRunner = 0; |
206 } | 206 } |
207 | 207 |
208 ASSERT(s_isolateInterruptor); | 208 ASSERT(s_isolateInterruptor); |
209 WebCore::ThreadState::current()->removeInterruptor(s_isolateInterruptor); | 209 blink::ThreadState::current()->removeInterruptor(s_isolateInterruptor); |
210 WebCore::Scheduler::shutdown(); | 210 blink::Scheduler::shutdown(); |
211 | 211 |
212 // currentThread will always be non-null in production, but can be null in C
hromium unit tests. | 212 // currentThread will always be non-null in production, but can be null in C
hromium unit tests. |
213 if (Platform::current()->currentThread()) { | 213 if (Platform::current()->currentThread()) { |
214 ASSERT(s_pendingGCRunner); | 214 ASSERT(s_pendingGCRunner); |
215 delete s_pendingGCRunner; | 215 delete s_pendingGCRunner; |
216 s_pendingGCRunner = 0; | 216 s_pendingGCRunner = 0; |
217 | 217 |
218 ASSERT(s_messageLoopInterruptor); | 218 ASSERT(s_messageLoopInterruptor); |
219 WebCore::ThreadState::current()->removeInterruptor(s_messageLoopInterrup
tor); | 219 blink::ThreadState::current()->removeInterruptor(s_messageLoopInterrupto
r); |
220 delete s_messageLoopInterruptor; | 220 delete s_messageLoopInterruptor; |
221 s_messageLoopInterruptor = 0; | 221 s_messageLoopInterruptor = 0; |
222 } | 222 } |
223 | 223 |
224 // Detach the main thread before starting the shutdown sequence | 224 // Detach the main thread before starting the shutdown sequence |
225 // so that the main thread won't get involved in a GC during the shutdown. | 225 // so that the main thread won't get involved in a GC during the shutdown. |
226 WebCore::ThreadState::detachMainThread(); | 226 blink::ThreadState::detachMainThread(); |
227 | 227 |
228 v8::Isolate* isolate = WebCore::V8PerIsolateData::mainThreadIsolate(); | 228 v8::Isolate* isolate = blink::V8PerIsolateData::mainThreadIsolate(); |
229 WebCore::V8PerIsolateData::dispose(isolate); | 229 blink::V8PerIsolateData::dispose(isolate); |
230 isolate->Exit(); | 230 isolate->Exit(); |
231 isolate->Dispose(); | 231 isolate->Dispose(); |
232 | 232 |
233 shutdownWithoutV8(); | 233 shutdownWithoutV8(); |
234 } | 234 } |
235 | 235 |
236 void shutdownWithoutV8() | 236 void shutdownWithoutV8() |
237 { | 237 { |
238 ASSERT(!s_endOfTaskRunner); | 238 ASSERT(!s_endOfTaskRunner); |
239 WebCore::CoreInitializer::shutdown(); | 239 blink::CoreInitializer::shutdown(); |
240 WebCore::Heap::shutdown(); | 240 blink::Heap::shutdown(); |
241 WTF::shutdown(); | 241 WTF::shutdown(); |
242 Platform::shutdown(); | 242 Platform::shutdown(); |
243 WebPrerenderingSupport::shutdown(); | 243 WebPrerenderingSupport::shutdown(); |
244 } | 244 } |
245 | 245 |
246 void setLayoutTestMode(bool value) | 246 void setLayoutTestMode(bool value) |
247 { | 247 { |
248 LayoutTestSupport::setIsRunningLayoutTest(value); | 248 LayoutTestSupport::setIsRunningLayoutTest(value); |
249 } | 249 } |
250 | 250 |
251 bool layoutTestMode() | 251 bool layoutTestMode() |
252 { | 252 { |
253 return LayoutTestSupport::isRunningLayoutTest(); | 253 return LayoutTestSupport::isRunningLayoutTest(); |
254 } | 254 } |
255 | 255 |
256 void setFontAntialiasingEnabledForTest(bool value) | 256 void setFontAntialiasingEnabledForTest(bool value) |
257 { | 257 { |
258 LayoutTestSupport::setFontAntialiasingEnabledForTest(value); | 258 LayoutTestSupport::setFontAntialiasingEnabledForTest(value); |
259 } | 259 } |
260 | 260 |
261 bool fontAntialiasingEnabledForTest() | 261 bool fontAntialiasingEnabledForTest() |
262 { | 262 { |
263 return LayoutTestSupport::isFontAntialiasingEnabledForTest(); | 263 return LayoutTestSupport::isFontAntialiasingEnabledForTest(); |
264 } | 264 } |
265 | 265 |
266 void enableLogChannel(const char* name) | 266 void enableLogChannel(const char* name) |
267 { | 267 { |
268 #if !LOG_DISABLED | 268 #if !LOG_DISABLED |
269 WTFLogChannel* channel = WebCore::getChannelFromName(name); | 269 WTFLogChannel* channel = blink::getChannelFromName(name); |
270 if (channel) | 270 if (channel) |
271 channel->state = WTFLogChannelOn; | 271 channel->state = WTFLogChannelOn; |
272 #endif // !LOG_DISABLED | 272 #endif // !LOG_DISABLED |
273 } | 273 } |
274 | 274 |
275 void resetPluginCache(bool reloadPages) | 275 void resetPluginCache(bool reloadPages) |
276 { | 276 { |
277 WebCore::Page::refreshPlugins(reloadPages); | 277 blink::Page::refreshPlugins(reloadPages); |
278 } | 278 } |
279 | 279 |
280 } // namespace blink | 280 } // namespace blink |
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