mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
77 lines
1.5 KiB
C++
77 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "VsyncChild.h"
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#include "mozilla/VsyncDispatcher.h"
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#include "nsThreadUtils.h"
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namespace mozilla {
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namespace layout {
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VsyncChild::VsyncChild()
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: mObservingVsync(false)
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, mIsShutdown(false)
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{
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MOZ_ASSERT(NS_IsMainThread());
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}
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VsyncChild::~VsyncChild()
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{
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MOZ_ASSERT(NS_IsMainThread());
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}
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bool
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VsyncChild::SendObserve()
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{
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MOZ_ASSERT(NS_IsMainThread());
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if (!mObservingVsync && !mIsShutdown) {
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mObservingVsync = true;
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PVsyncChild::SendObserve();
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}
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return true;
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}
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bool
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VsyncChild::SendUnobserve()
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{
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MOZ_ASSERT(NS_IsMainThread());
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if (mObservingVsync && !mIsShutdown) {
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mObservingVsync = false;
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PVsyncChild::SendUnobserve();
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}
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return true;
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}
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void
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VsyncChild::ActorDestroy(ActorDestroyReason aActorDestroyReason)
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{
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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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mObserver = nullptr;
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}
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bool
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VsyncChild::RecvNotify(const TimeStamp& aVsyncTimestamp)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(!mIsShutdown);
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if (mObservingVsync && mObserver) {
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mObserver->NotifyVsync(aVsyncTimestamp);
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}
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return true;
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}
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void
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VsyncChild::SetVsyncObserver(VsyncObserver* aVsyncObserver)
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{
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MOZ_ASSERT(NS_IsMainThread());
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mObserver = aVsyncObserver;
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}
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} // namespace layout
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} // namespace mozilla
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