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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/ipc/VsyncMainChild.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/ipc/VsyncMainChild.h')
-rw-r--r-- | dom/ipc/VsyncMainChild.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/dom/ipc/VsyncMainChild.h b/dom/ipc/VsyncMainChild.h new file mode 100644 index 0000000000..f5678ab0e9 --- /dev/null +++ b/dom/ipc/VsyncMainChild.h @@ -0,0 +1,51 @@ +/* -*- 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 |