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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | ad18d877ddd2a44d98fa12ccd3dbbcf4d0ac4299 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /layout/ipc/VsyncParent.h | |
parent | 15477ed9af4859dacb069040b5d4de600803d3bc (diff) | |
download | uxp-ad18d877ddd2a44d98fa12ccd3dbbcf4d0ac4299.tar.gz |
Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/ipc/VsyncParent.h')
-rw-r--r-- | layout/ipc/VsyncParent.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/layout/ipc/VsyncParent.h b/layout/ipc/VsyncParent.h new file mode 100644 index 0000000000..33e96c4c60 --- /dev/null +++ b/layout/ipc/VsyncParent.h @@ -0,0 +1,56 @@ +/* -*- 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 |