68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_layers_CompositorThread_h
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#define mozilla_layers_CompositorThread_h
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#include "base/basictypes.h" // for DISALLOW_EVIL_CONSTRUCTORS
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#include "base/platform_thread.h" // for PlatformThreadId
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#include "base/thread.h" // for Thread
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#include "base/message_loop.h"
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#include "nsISupportsImpl.h"
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#include "ThreadSafeRefcountingWithMainThreadDestruction.h"
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namespace mozilla {
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namespace layers {
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class CompositorThreadHolder final
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{
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING_WITH_MAIN_THREAD_DESTRUCTION(CompositorThreadHolder)
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public:
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CompositorThreadHolder();
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base::Thread* GetCompositorThread() const {
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return mCompositorThread;
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}
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static CompositorThreadHolder* GetSingleton();
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static bool IsActive() {
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return !!GetSingleton();
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}
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/**
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* Creates the compositor thread and the global compositor map.
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*/
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static void Start();
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/*
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* Waits for all [CrossProcess]CompositorBridgeParents to shutdown and
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* releases compositor-thread owned resources.
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*/
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static void Shutdown();
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static MessageLoop* Loop();
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// Returns true if the calling thread is the compositor thread.
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static bool IsInCompositorThread();
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private:
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~CompositorThreadHolder();
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base::Thread* const mCompositorThread;
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static base::Thread* CreateCompositorThread();
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static void DestroyCompositorThread(base::Thread* aCompositorThread);
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friend class CompositorBridgeParent;
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};
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base::Thread* CompositorThread();
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} // namespace layers
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} // namespace mozilla
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#endif // mozilla_layers_CompositorThread_h
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