зеркало из https://github.com/mozilla/gecko-dev.git
57 строки
1.7 KiB
C++
57 строки
1.7 KiB
C++
/* -*- 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_VsyncParent_h
|
|
#define mozilla_dom_ipc_VsyncParent_h
|
|
|
|
#include "mozilla/dom/PVsyncParent.h"
|
|
#include "mozilla/VsyncDispatcher.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "mozilla/RefPtr.h"
|
|
#include "VsyncSource.h"
|
|
|
|
class nsIThread;
|
|
|
|
namespace mozilla::dom {
|
|
|
|
// 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 PVsyncParent;
|
|
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VsyncParent, override)
|
|
|
|
public:
|
|
VsyncParent();
|
|
void UpdateVsyncSource(const RefPtr<gfx::VsyncSource>& aVsyncSource);
|
|
|
|
private:
|
|
virtual ~VsyncParent() = default;
|
|
|
|
virtual bool NotifyVsync(const VsyncEvent& aVsync) override;
|
|
virtual void ActorDestroy(ActorDestroyReason aActorDestroyReason) override;
|
|
|
|
mozilla::ipc::IPCResult RecvObserve();
|
|
mozilla::ipc::IPCResult RecvUnobserve();
|
|
|
|
void DispatchVsyncEvent(const VsyncEvent& aVsync);
|
|
void UpdateVsyncRate();
|
|
|
|
bool IsOnInitialThread();
|
|
void AssertIsOnInitialThread();
|
|
|
|
bool mObservingVsync;
|
|
bool mDestroyed;
|
|
nsCOMPtr<nsIThread> mInitialThread;
|
|
RefPtr<gfx::VsyncSource> mVsyncSource;
|
|
RefPtr<RefreshTimerVsyncDispatcher> mVsyncDispatcher;
|
|
};
|
|
|
|
} // namespace mozilla::dom
|
|
|
|
#endif // mozilla_dom_ipc_VsyncParent_h
|