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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /dom/ipc/VsyncMainChild.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | dom/ipc/VsyncMainChild.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/dom/ipc/VsyncMainChild.cpp b/dom/ipc/VsyncMainChild.cpp new file mode 100644 index 0000000000..a1ea332e75 --- /dev/null +++ b/dom/ipc/VsyncMainChild.cpp @@ -0,0 +1,73 @@ +/* -*- 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/. */ + +#include "VsyncMainChild.h" + +#include "mozilla/SchedulerGroup.h" +#include "mozilla/VsyncDispatcher.h" +#include "nsThreadUtils.h" + +namespace mozilla::dom { + +VsyncMainChild::VsyncMainChild() + : mIsShutdown(false), mVsyncRate(TimeDuration::Forever()) { + MOZ_ASSERT(NS_IsMainThread()); +} + +VsyncMainChild::~VsyncMainChild() { MOZ_ASSERT(NS_IsMainThread()); } + +void VsyncMainChild::AddChildRefreshTimer(VsyncObserver* aVsyncObserver) { + MOZ_ASSERT(NS_IsMainThread()); + MOZ_ASSERT(!mObservers.Contains(aVsyncObserver)); + + if (mIsShutdown) { + return; + } + + if (mObservers.IsEmpty()) { + Unused << PVsyncChild::SendObserve(); + } + mObservers.AppendElement(std::move(aVsyncObserver)); +} + +void VsyncMainChild::RemoveChildRefreshTimer(VsyncObserver* aVsyncObserver) { + MOZ_ASSERT(NS_IsMainThread()); + if (mIsShutdown) { + return; + } + + if (mObservers.RemoveElement(aVsyncObserver) && mObservers.IsEmpty()) { + Unused << PVsyncChild::SendUnobserve(); + } +} + +void VsyncMainChild::ActorDestroy(ActorDestroyReason aActorDestroyReason) { + MOZ_ASSERT(NS_IsMainThread()); + MOZ_ASSERT(!mIsShutdown); + mIsShutdown = true; + + if (!mObservers.IsEmpty()) { + Unused << PVsyncChild::SendUnobserve(); + } + mObservers.Clear(); +} + +mozilla::ipc::IPCResult VsyncMainChild::RecvNotify(const VsyncEvent& aVsync, + const float& aVsyncRate) { + MOZ_ASSERT(NS_IsMainThread()); + MOZ_ASSERT(!mIsShutdown); + + mVsyncRate = TimeDuration::FromMilliseconds(aVsyncRate); + + for (RefPtr<VsyncObserver> observer : mObservers.ForwardRange()) { + observer->NotifyVsync(aVsync); + } + return IPC_OK(); +} + +TimeDuration VsyncMainChild::GetVsyncRate() { return mVsyncRate; } + +} // namespace mozilla::dom |