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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/layers/ipc/CompositorThread.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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-rw-r--r--gfx/layers/ipc/CompositorThread.h68
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diff --git a/gfx/layers/ipc/CompositorThread.h b/gfx/layers/ipc/CompositorThread.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 sts=2 ts=8 et tw=99 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#ifndef mozilla_layers_CompositorThread_h
+#define mozilla_layers_CompositorThread_h
+
+#include "base/basictypes.h" // for DISALLOW_EVIL_CONSTRUCTORS
+#include "base/platform_thread.h" // for PlatformThreadId
+#include "base/thread.h" // for Thread
+#include "base/message_loop.h"
+#include "nsISupportsImpl.h"
+#include "ThreadSafeRefcountingWithMainThreadDestruction.h"
+
+namespace mozilla {
+namespace layers {
+
+class CompositorThreadHolder final
+{
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING_WITH_MAIN_THREAD_DESTRUCTION(CompositorThreadHolder)
+
+public:
+ CompositorThreadHolder();
+
+ base::Thread* GetCompositorThread() const {
+ return mCompositorThread;
+ }
+
+ static CompositorThreadHolder* GetSingleton();
+
+ static bool IsActive() {
+ return !!GetSingleton();
+ }
+
+ /**
+ * Creates the compositor thread and the global compositor map.
+ */
+ static void Start();
+
+ /*
+ * Waits for all [CrossProcess]CompositorBridgeParents to shutdown and
+ * releases compositor-thread owned resources.
+ */
+ static void Shutdown();
+
+ static MessageLoop* Loop();
+
+ // Returns true if the calling thread is the compositor thread.
+ static bool IsInCompositorThread();
+
+private:
+ ~CompositorThreadHolder();
+
+ base::Thread* const mCompositorThread;
+
+ static base::Thread* CreateCompositorThread();
+ static void DestroyCompositorThread(base::Thread* aCompositorThread);
+
+ friend class CompositorBridgeParent;
+};
+
+base::Thread* CompositorThread();
+
+} // namespace layers
+} // namespace mozilla
+
+#endif // mozilla_layers_CompositorThread_h