gecko/widget/VsyncDispatcher.h
Mason Chang 809b0bd4a8 Bug 1085696. Part 2 Move widget/shared to /widget. r=roc
--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
2014-10-23 10:16:47 -07:00

45 lines
1.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_widget_VsyncDispatcher_h
#define mozilla_widget_VsyncDispatcher_h
#include "nsISupportsImpl.h"
namespace mozilla {
class TimeStamp;
class VsyncObserver
{
public:
// The method called when a vsync occurs. Return true if some work was done.
// Vsync notifications will occur on the hardware vsync thread
virtual bool NotifyVsync(TimeStamp aVsyncTimestamp) = 0;
protected:
virtual ~VsyncObserver() { }
};
// VsyncDispatcher is used to dispatch vsync events to the registered observers.
class VsyncDispatcher
{
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VsyncDispatcher)
public:
static VsyncDispatcher* GetInstance();
// Compositor vsync observers must be added/removed on the compositor thread
void AddCompositorVsyncObserver(VsyncObserver* aVsyncObserver);
void RemoveCompositorVsyncObserver(VsyncObserver* aVsyncObserver);
private:
VsyncDispatcher();
virtual ~VsyncDispatcher();
};
} // namespace mozilla
#endif // __mozilla_widget_VsyncDispatcher_h