Index: third_party/WebKit/Source/modules/compositorworker/CompositorWorkerManager.cpp |
diff --git a/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerManager.cpp b/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerManager.cpp |
deleted file mode 100644 |
index d450d29458b1e7867eff5f8903ffe970cfaca4ec..0000000000000000000000000000000000000000 |
--- a/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerManager.cpp |
+++ /dev/null |
@@ -1,152 +0,0 @@ |
-// Copyright 2015 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#include "config.h" |
-#include "modules/compositorworker/CompositorWorkerManager.h" |
- |
-#include "bindings/core/v8/V8Binding.h" |
-#include "bindings/core/v8/V8GCController.h" |
-#include "bindings/core/v8/V8Initializer.h" |
-#include "bindings/core/v8/V8PerIsolateData.h" |
-#include "platform/ThreadSafeFunctional.h" |
-#include "platform/WebThreadSupportingGC.h" |
-#include "wtf/MainThread.h" |
-#include "wtf/ThreadingPrimitives.h" |
- |
-namespace blink { |
- |
-namespace { |
- |
-static CompositorWorkerManager* s_instance = nullptr; |
- |
-Mutex& singletonMutex() |
-{ |
- AtomicallyInitializedStaticReference(Mutex, mutex, new Mutex); |
- return mutex; |
-} |
- |
-void destroyThread(WebThread* thread) |
-{ |
- delete thread; |
-} |
- |
-} // namespace |
- |
-void CompositorWorkerManager::initialize() |
-{ |
- MutexLocker lock(singletonMutex()); |
- ASSERT(!s_instance); |
- s_instance = new CompositorWorkerManager(); |
-} |
- |
-void CompositorWorkerManager::shutdown() |
-{ |
- MutexLocker lock(singletonMutex()); |
- ASSERT(s_instance); |
- delete s_instance; |
- s_instance = nullptr; |
-} |
- |
-CompositorWorkerManager* CompositorWorkerManager::instance() |
-{ |
- MutexLocker lock(singletonMutex()); |
- ASSERT(s_instance); |
- return s_instance; |
-} |
- |
-CompositorWorkerManager::CompositorWorkerManager() |
-{ |
-} |
- |
-CompositorWorkerManager::~CompositorWorkerManager() |
-{ |
-} |
- |
-WebThreadSupportingGC& CompositorWorkerManager::compositorWorkerThread() |
-{ |
- MutexLocker lock(m_mutex); |
- if (!m_thread) { |
- ASSERT(isMainThread()); |
- ASSERT(!m_workerCount); |
- // TODO(sadrul): Instead of creating a new thread, retrieve the thread from |
- // Platform using a more specialized function |
- // (e.g. Platform::compositorWorkerThread()). |
- m_platformThread = adoptPtr(Platform::current()->createThread("CompositorWorker Thread")); |
- m_thread = WebThreadSupportingGC::createForThread(m_platformThread.get()); |
- } |
- return *m_thread.get(); |
-} |
- |
-void CompositorWorkerManager::initializeBackingThread() |
-{ |
- ASSERT(m_thread->isCurrentThread()); |
- MutexLocker lock(m_mutex); |
- ++m_workerCount; |
- if (m_workerCount > 1) |
- return; |
- |
- m_thread->initialize(); |
- |
- // Initialize the isolate at the same time. |
- ASSERT(!m_isolate); |
- m_isolate = V8PerIsolateData::initialize(); |
- V8Initializer::initializeWorker(m_isolate); |
- |
- OwnPtr<V8IsolateInterruptor> interruptor = adoptPtr(new V8IsolateInterruptor(m_isolate)); |
- ThreadState::current()->addInterruptor(interruptor.release()); |
- ThreadState::current()->registerTraceDOMWrappers(m_isolate, V8GCController::traceDOMWrappers); |
-} |
- |
-void CompositorWorkerManager::shutdownBackingThread() |
-{ |
- MutexLocker lock(m_mutex); |
- ASSERT(m_thread->isCurrentThread()); |
- ASSERT(m_workerCount > 0); |
- --m_workerCount; |
- if (m_workerCount == 0) { |
- m_thread->shutdown(); |
- m_thread = nullptr; |
- Platform::current()->mainThread()->taskRunner()->postTask(BLINK_FROM_HERE, threadSafeBind(destroyThread, AllowCrossThreadAccess(m_platformThread.leakPtr()))); |
- } |
-} |
- |
-v8::Isolate* CompositorWorkerManager::initializeIsolate() |
-{ |
- MutexLocker lock(m_mutex); |
- ASSERT(m_thread->isCurrentThread()); |
- ASSERT(m_isolate); |
- // It is safe to use the existing isolate even if TerminateExecution() has been |
- // called on it, without calling CancelTerminateExecution(). |
- return m_isolate; |
-} |
- |
-void CompositorWorkerManager::willDestroyIsolate() |
-{ |
- MutexLocker lock(m_mutex); |
- ASSERT(m_thread->isCurrentThread()); |
- if (m_workerCount == 1) |
- V8PerIsolateData::willBeDestroyed(m_isolate); |
-} |
- |
-void CompositorWorkerManager::destroyIsolate() |
-{ |
- MutexLocker lock(m_mutex); |
- if (!m_thread) { |
- ASSERT(m_workerCount == 0); |
- V8PerIsolateData::destroy(m_isolate); |
- m_isolate = nullptr; |
- } |
-} |
- |
-void CompositorWorkerManager::terminateV8Execution() |
-{ |
- MutexLocker lock(m_mutex); |
- ASSERT(isMainThread()); |
- if (m_workerCount > 1) |
- return; |
- |
- v8::V8::TerminateExecution(m_isolate); |
-} |
- |
-} // namespace blink |