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| 1 /* | |
| 2 * Copyright (C) 2009 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 "public/web/WebKit.h" | |
| 33 | |
| 34 #include "base/message_loop/message_loop.h" | |
| 35 #include "bindings/core/v8/V8Binding.h" | |
| 36 #include "bindings/core/v8/V8GCController.h" | |
| 37 #include "bindings/core/v8/V8Initializer.h" | |
| 38 #include "core/Init.h" | |
| 39 #include "core/animation/AnimationClock.h" | |
| 40 #include "core/dom/Microtask.h" | |
| 41 #include "core/frame/Settings.h" | |
| 42 #include "core/page/Page.h" | |
| 43 #include "gin/public/v8_platform.h" | |
| 44 #include "mojo/common/message_pump_mojo.h" | |
| 45 #include "platform/LayoutTestSupport.h" | |
| 46 #include "platform/Logging.h" | |
| 47 #include "platform/RuntimeEnabledFeatures.h" | |
| 48 #include "platform/graphics/ImageDecodingStore.h" | |
| 49 #include "platform/graphics/media/MediaPlayer.h" | |
| 50 #include "platform/heap/Heap.h" | |
| 51 #include "public/platform/Platform.h" | |
| 52 #include "web/WebMediaPlayerClientImpl.h" | |
| 53 #include "wtf/Assertions.h" | |
| 54 #include "wtf/CryptographicallyRandomNumber.h" | |
| 55 #include "wtf/MainThread.h" | |
| 56 #include "wtf/WTF.h" | |
| 57 #include "wtf/text/AtomicString.h" | |
| 58 #include "wtf/text/TextEncoding.h" | |
| 59 #include <v8.h> | |
| 60 | |
| 61 namespace blink { | |
| 62 | |
| 63 namespace { | |
| 64 | |
| 65 void willProcessTask() | |
| 66 { | |
| 67 AnimationClock::notifyTaskStart(); | |
| 68 } | |
| 69 | |
| 70 void didProcessTask() | |
| 71 { | |
| 72 Microtask::performCheckpoint(); | |
| 73 V8GCController::reportDOMMemoryUsageToV8(mainThreadIsolate()); | |
| 74 } | |
| 75 | |
| 76 class TaskObserver : public base::MessageLoop::TaskObserver { | |
| 77 public: | |
| 78 void WillProcessTask(const base::PendingTask& pending_task) override { willP
rocessTask(); } | |
| 79 void DidProcessTask(const base::PendingTask& pending_task) override { didPro
cessTask(); } | |
| 80 }; | |
| 81 | |
| 82 class SignalObserver : public mojo::common::MessagePumpMojo::Observer { | |
| 83 public: | |
| 84 void WillSignalHandler() override { willProcessTask(); } | |
| 85 void DidSignalHandler() override { didProcessTask(); } | |
| 86 }; | |
| 87 | |
| 88 static TaskObserver* s_taskObserver = 0; | |
| 89 static SignalObserver* s_signalObserver = 0; | |
| 90 | |
| 91 void addMessageLoopObservers() | |
| 92 { | |
| 93 ASSERT(!s_taskObserver); | |
| 94 s_taskObserver = new TaskObserver; | |
| 95 | |
| 96 ASSERT(!s_signalObserver); | |
| 97 s_signalObserver = new SignalObserver; | |
| 98 | |
| 99 base::MessageLoop::current()->AddTaskObserver(s_taskObserver); | |
| 100 mojo::common::MessagePumpMojo::current()->AddObserver(s_signalObserver); | |
| 101 } | |
| 102 | |
| 103 void removeMessageLoopObservers() | |
| 104 { | |
| 105 base::MessageLoop::current()->RemoveTaskObserver(s_taskObserver); | |
| 106 mojo::common::MessagePumpMojo::current()->RemoveObserver(s_signalObserver); | |
| 107 | |
| 108 ASSERT(s_taskObserver); | |
| 109 delete s_taskObserver; | |
| 110 s_taskObserver = 0; | |
| 111 | |
| 112 ASSERT(s_signalObserver); | |
| 113 delete s_signalObserver; | |
| 114 s_signalObserver = 0; | |
| 115 } | |
| 116 | |
| 117 } // namespace | |
| 118 | |
| 119 static ThreadState::Interruptor* s_isolateInterruptor = 0; | |
| 120 | |
| 121 // Make sure we are not re-initialized in the same address space. | |
| 122 // Doing so may cause hard to reproduce crashes. | |
| 123 static bool s_webKitInitialized = false; | |
| 124 | |
| 125 void initialize(Platform* platform) | |
| 126 { | |
| 127 initializeWithoutV8(platform); | |
| 128 | |
| 129 V8Initializer::initializeMainThreadIfNeeded(); | |
| 130 | |
| 131 s_isolateInterruptor = new V8IsolateInterruptor(V8PerIsolateData::mainThread
Isolate()); | |
| 132 ThreadState::current()->addInterruptor(s_isolateInterruptor); | |
| 133 | |
| 134 addMessageLoopObservers(); | |
| 135 } | |
| 136 | |
| 137 v8::Isolate* mainThreadIsolate() | |
| 138 { | |
| 139 return V8PerIsolateData::mainThreadIsolate(); | |
| 140 } | |
| 141 | |
| 142 static double currentTimeFunction() | |
| 143 { | |
| 144 return Platform::current()->currentTime(); | |
| 145 } | |
| 146 | |
| 147 static double monotonicallyIncreasingTimeFunction() | |
| 148 { | |
| 149 return Platform::current()->monotonicallyIncreasingTime(); | |
| 150 } | |
| 151 | |
| 152 static void cryptographicallyRandomValues(unsigned char* buffer, size_t length) | |
| 153 { | |
| 154 Platform::current()->cryptographicallyRandomValues(buffer, length); | |
| 155 } | |
| 156 | |
| 157 static void callOnMainThreadFunction(WTF::MainThreadFunction function, void* con
text) | |
| 158 { | |
| 159 Platform::current()->callOnMainThread(function, context); | |
| 160 } | |
| 161 | |
| 162 void initializeWithoutV8(Platform* platform) | |
| 163 { | |
| 164 ASSERT(!s_webKitInitialized); | |
| 165 s_webKitInitialized = true; | |
| 166 | |
| 167 ASSERT(platform); | |
| 168 Platform::initialize(platform); | |
| 169 | |
| 170 WTF::setRandomSource(cryptographicallyRandomValues); | |
| 171 WTF::initialize(currentTimeFunction, monotonicallyIncreasingTimeFunction); | |
| 172 WTF::initializeMainThread(callOnMainThreadFunction); | |
| 173 Heap::init(); | |
| 174 | |
| 175 ThreadState::attachMainThread(); | |
| 176 | |
| 177 DEFINE_STATIC_LOCAL(CoreInitializer, initializer, ()); | |
| 178 initializer.init(); | |
| 179 | |
| 180 // There are some code paths (for example, running WebKit in the browser | |
| 181 // process and calling into LocalStorage before anything else) where the | |
| 182 // UTF8 string encoding tables are used on a background thread before | |
| 183 // they're set up. This is a problem because their set up routines assert | |
| 184 // they're running on the main WebKitThread. It might be possible to make | |
| 185 // the initialization thread-safe, but given that so many code paths use | |
| 186 // this, initializing this lazily probably doesn't buy us much. | |
| 187 WTF::UTF8Encoding(); | |
| 188 | |
| 189 MediaPlayer::setMediaEngineCreateFunction(WebMediaPlayerClientImpl::create); | |
| 190 } | |
| 191 | |
| 192 void shutdown() | |
| 193 { | |
| 194 removeMessageLoopObservers(); | |
| 195 | |
| 196 ASSERT(s_isolateInterruptor); | |
| 197 ThreadState::current()->removeInterruptor(s_isolateInterruptor); | |
| 198 | |
| 199 // Detach the main thread before starting the shutdown sequence | |
| 200 // so that the main thread won't get involved in a GC during the shutdown. | |
| 201 ThreadState::detachMainThread(); | |
| 202 | |
| 203 v8::Isolate* isolate = V8PerIsolateData::mainThreadIsolate(); | |
| 204 V8PerIsolateData::dispose(isolate); | |
| 205 | |
| 206 shutdownWithoutV8(); | |
| 207 } | |
| 208 | |
| 209 void shutdownWithoutV8() | |
| 210 { | |
| 211 CoreInitializer::shutdown(); | |
| 212 Heap::shutdown(); | |
| 213 WTF::shutdown(); | |
| 214 Platform::shutdown(); | |
| 215 } | |
| 216 | |
| 217 void setLayoutTestMode(bool value) | |
| 218 { | |
| 219 LayoutTestSupport::setIsRunningLayoutTest(value); | |
| 220 } | |
| 221 | |
| 222 bool layoutTestMode() | |
| 223 { | |
| 224 return LayoutTestSupport::isRunningLayoutTest(); | |
| 225 } | |
| 226 | |
| 227 void setFontAntialiasingEnabledForTest(bool value) | |
| 228 { | |
| 229 LayoutTestSupport::setFontAntialiasingEnabledForTest(value); | |
| 230 } | |
| 231 | |
| 232 bool fontAntialiasingEnabledForTest() | |
| 233 { | |
| 234 return LayoutTestSupport::isFontAntialiasingEnabledForTest(); | |
| 235 } | |
| 236 | |
| 237 void enableLogChannel(const char* name) | |
| 238 { | |
| 239 #if !LOG_DISABLED | |
| 240 WTFLogChannel* channel = getChannelFromName(name); | |
| 241 if (channel) | |
| 242 channel->state = WTFLogChannelOn; | |
| 243 #endif // !LOG_DISABLED | |
| 244 } | |
| 245 | |
| 246 } // namespace blink | |
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Chromium Code Reviews
Issue 676933002:
Rename WebKit.h/cpp to Sky.h/cpp (Closed)
Base URL: git@github.com:domokit/mojo.git@master