gecko-dev/gfx/ipc/VsyncBridgeParent.cpp

95 строки
2.2 KiB
C++

/* -*- 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 "VsyncBridgeParent.h"
#include "mozilla/layers/CompositorThread.h"
namespace mozilla {
namespace gfx {
RefPtr<VsyncBridgeParent>
VsyncBridgeParent::Start(Endpoint<PVsyncBridgeParent>&& aEndpoint)
{
RefPtr<VsyncBridgeParent> parent = new VsyncBridgeParent();
RefPtr<Runnable> task = NewRunnableMethod<Endpoint<PVsyncBridgeParent>&&>(
"gfx::VsyncBridgeParent::Open",
parent,
&VsyncBridgeParent::Open,
std::move(aEndpoint));
CompositorThreadHolder::Loop()->PostTask(task.forget());
return parent;
}
VsyncBridgeParent::VsyncBridgeParent()
: mOpen(false)
{
MOZ_COUNT_CTOR(VsyncBridgeParent);
mCompositorThreadRef = CompositorThreadHolder::GetSingleton();
}
VsyncBridgeParent::~VsyncBridgeParent()
{
MOZ_COUNT_DTOR(VsyncBridgeParent);
}
void
VsyncBridgeParent::Open(Endpoint<PVsyncBridgeParent>&& aEndpoint)
{
if (!aEndpoint.Bind(this)) {
// We can't recover from this.
MOZ_CRASH("Failed to bind VsyncBridgeParent to endpoint");
}
AddRef();
mOpen = true;
}
mozilla::ipc::IPCResult
VsyncBridgeParent::RecvNotifyVsync(const TimeStamp& aTimeStamp, const LayersId& aLayersId)
{
CompositorBridgeParent::NotifyVsync(aTimeStamp, aLayersId);
return IPC_OK();
}
void
VsyncBridgeParent::Shutdown()
{
MessageLoop* ccloop = CompositorThreadHolder::Loop();
if (MessageLoop::current() != ccloop) {
ccloop->PostTask(NewRunnableMethod("gfx::VsyncBridgeParent::ShutdownImpl",
this,
&VsyncBridgeParent::ShutdownImpl));
return;
}
ShutdownImpl();
}
void
VsyncBridgeParent::ShutdownImpl()
{
if (mOpen) {
Close();
mOpen = false;
}
}
void
VsyncBridgeParent::ActorDestroy(ActorDestroyReason aWhy)
{
mOpen = false;
mCompositorThreadRef = nullptr;
}
void
VsyncBridgeParent::DeallocPVsyncBridgeParent()
{
Release();
}
} // namespace gfx
} // namespace mozilla