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809b0bd4a8
--HG-- rename : widget/shared/NativeKeyToDOMCodeName.h => widget/NativeKeyToDOMCodeName.h rename : widget/shared/NativeKeyToDOMKeyName.h => widget/NativeKeyToDOMKeyName.h rename : widget/shared/VsyncDispatcher.cpp => widget/VsyncDispatcher.cpp rename : widget/shared/VsyncDispatcher.h => widget/VsyncDispatcher.h rename : widget/shared/WidgetEventImpl.cpp => widget/WidgetEventImpl.cpp rename : widget/shared/nsShmImage.cpp => widget/nsShmImage.cpp rename : widget/shared/nsShmImage.h => widget/nsShmImage.h rename : widget/shared/x11/keysym2ucs.c => widget/x11/keysym2ucs.c rename : widget/shared/x11/keysym2ucs.h => widget/x11/keysym2ucs.h rename : widget/shared/x11/moz.build => widget/x11/moz.build
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_widget_VsyncDispatcher_h
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#define mozilla_widget_VsyncDispatcher_h
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#include "nsISupportsImpl.h"
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namespace mozilla {
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class TimeStamp;
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class VsyncObserver
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{
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public:
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// The method called when a vsync occurs. Return true if some work was done.
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// Vsync notifications will occur on the hardware vsync thread
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virtual bool NotifyVsync(TimeStamp aVsyncTimestamp) = 0;
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protected:
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virtual ~VsyncObserver() { }
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};
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// VsyncDispatcher is used to dispatch vsync events to the registered observers.
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class VsyncDispatcher
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{
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VsyncDispatcher)
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public:
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static VsyncDispatcher* GetInstance();
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// Compositor vsync observers must be added/removed on the compositor thread
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void AddCompositorVsyncObserver(VsyncObserver* aVsyncObserver);
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void RemoveCompositorVsyncObserver(VsyncObserver* aVsyncObserver);
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private:
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VsyncDispatcher();
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virtual ~VsyncDispatcher();
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};
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} // namespace mozilla
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#endif // __mozilla_widget_VsyncDispatcher_h
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