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/* -*- 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_layout_ipc_VsyncParent_h
#define mozilla_layout_ipc_VsyncParent_h
#include "mozilla/layout/PVsyncParent.h"
#include "mozilla/VsyncDispatcher.h"
#include "nsCOMPtr.h"
#include "mozilla/RefPtr.h"
class nsIThread;
namespace mozilla {
namespace ipc {
class BackgroundParentImpl;
} // namespace ipc
namespace layout {
// Use PBackground thread in the main process to send vsync notifications to
// content process. This actor will be released when its parent protocol calls
// DeallocPVsyncParent().
class VsyncParent final : public PVsyncParent,
public VsyncObserver
{
friend class mozilla::ipc::BackgroundParentImpl;
private:
static already_AddRefed<VsyncParent> Create();
VsyncParent();
virtual ~VsyncParent();
virtual bool NotifyVsync(TimeStamp aTimeStamp) override;
virtual bool RecvRequestVsyncRate() override;
virtual bool RecvObserve() override;
virtual bool RecvUnobserve() override;
virtual void ActorDestroy(ActorDestroyReason aActorDestroyReason) override;
void DispatchVsyncEvent(TimeStamp aTimeStamp);
bool mObservingVsync;
bool mDestroyed;
nsCOMPtr<nsIThread> mBackgroundThread;
RefPtr<RefreshTimerVsyncDispatcher> mVsyncDispatcher;
};
} // namespace layout
} // namespace mozilla
#endif //mozilla_layout_ipc_VsyncParent_h
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