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https://github.com/mozilla/gecko-dev.git
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73 lines
2 KiB
C++
73 lines
2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "VsyncMainChild.h"
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#include "mozilla/SchedulerGroup.h"
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#include "mozilla/VsyncDispatcher.h"
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#include "nsThreadUtils.h"
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namespace mozilla::dom {
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VsyncMainChild::VsyncMainChild()
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: mIsShutdown(false), mVsyncRate(TimeDuration::Forever()) {
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MOZ_ASSERT(NS_IsMainThread());
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}
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VsyncMainChild::~VsyncMainChild() { MOZ_ASSERT(NS_IsMainThread()); }
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void VsyncMainChild::AddChildRefreshTimer(VsyncObserver* aVsyncObserver) {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(!mObservers.Contains(aVsyncObserver));
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if (mIsShutdown) {
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return;
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}
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if (mObservers.IsEmpty()) {
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Unused << PVsyncChild::SendObserve();
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}
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mObservers.AppendElement(std::move(aVsyncObserver));
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}
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void VsyncMainChild::RemoveChildRefreshTimer(VsyncObserver* aVsyncObserver) {
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MOZ_ASSERT(NS_IsMainThread());
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if (mIsShutdown) {
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return;
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}
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if (mObservers.RemoveElement(aVsyncObserver) && mObservers.IsEmpty()) {
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Unused << PVsyncChild::SendUnobserve();
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}
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}
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void VsyncMainChild::ActorDestroy(ActorDestroyReason aActorDestroyReason) {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(!mIsShutdown);
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mIsShutdown = true;
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if (!mObservers.IsEmpty()) {
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Unused << PVsyncChild::SendUnobserve();
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}
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mObservers.Clear();
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}
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mozilla::ipc::IPCResult VsyncMainChild::RecvNotify(const VsyncEvent& aVsync,
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const float& aVsyncRate) {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(!mIsShutdown);
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mVsyncRate = TimeDuration::FromMilliseconds(aVsyncRate);
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for (RefPtr<VsyncObserver> observer : mObservers.ForwardRange()) {
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observer->NotifyVsync(aVsync);
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}
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return IPC_OK();
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}
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TimeDuration VsyncMainChild::GetVsyncRate() { return mVsyncRate; }
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} // namespace mozilla::dom
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