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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_dom_ipc_VsyncMainChild_h
#define mozilla_dom_ipc_VsyncMainChild_h
#include "mozilla/dom/VsyncChild.h"
#include "nsTObserverArray.h"
namespace mozilla {
class VsyncObserver;
namespace dom {
// The PVsyncChild actor receives a vsync event from the main process and
// delivers it to the child process. Currently this is restricted to the main
// thread only. The actor will stay alive until the process dies or its
// PVsyncParent actor dies.
class VsyncMainChild final : public VsyncChild {
NS_INLINE_DECL_REFCOUNTING(VsyncMainChild, override)
friend class PVsyncChild;
public:
VsyncMainChild();
void AddChildRefreshTimer(VsyncObserver* aVsyncObserver);
void RemoveChildRefreshTimer(VsyncObserver* aVsyncObserver);
TimeDuration GetVsyncRate();
private:
~VsyncMainChild() override;
mozilla::ipc::IPCResult RecvNotify(const VsyncEvent& aVsync,
const float& aVsyncRate) override;
void ActorDestroy(ActorDestroyReason aActorDestroyReason) override;
bool mIsShutdown;
TimeDuration mVsyncRate;
nsTObserverArray<VsyncObserver*> mObservers;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_ipc_VsyncChild_h
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