gfx/ipc/VsyncBridgeParent.cpp
author Sebastian Hengst <archaeopteryx@coole-files.de>
Wed, 02 Nov 2016 16:39:42 +0100
changeset 347209 289db9779bc846cd11adfb3ceedeec9e44899299
parent 344309 7030c3219a1ece709e63391e17cae005c4649f13
child 350610 39ac4382a2c019178604b90acd816753fe142908
permissions -rw-r--r--
Backed out changeset a73da05c87ba (bug 1253740)

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=99: */
/* 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>&&>(
    parent, &VsyncBridgeParent::Open, Move(aEndpoint));
  CompositorThreadHolder::Loop()->PostTask(task.forget());

  return parent;
}

VsyncBridgeParent::VsyncBridgeParent()
 : mOpen(false)
{
  MOZ_COUNT_CTOR(VsyncBridgeParent);
}

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;
}

bool
VsyncBridgeParent::RecvNotifyVsync(const TimeStamp& aTimeStamp, const uint64_t& aLayersId)
{
  CompositorBridgeParent::NotifyVsync(aTimeStamp, aLayersId);
  return true;
}

void
VsyncBridgeParent::Shutdown()
{
  MessageLoop* ccloop = CompositorThreadHolder::Loop();
  if (MessageLoop::current() != ccloop) {
    ccloop->PostTask(NewRunnableMethod(this, &VsyncBridgeParent::ShutdownImpl));
    return;
  }

  ShutdownImpl();
}

void
VsyncBridgeParent::ShutdownImpl()
{
  if (mOpen) {
    Close();
    mOpen = false;
  }
}

void
VsyncBridgeParent::ActorDestroy(ActorDestroyReason aWhy)
{
  mOpen = false;
}

void
VsyncBridgeParent::DeallocPVsyncBridgeParent()
{
  Release();
}

} // namespace gfx
} // namespace mozilla