gfx/ipc/CompositorWidgetVsyncObserver.cpp
author Eitan Isaacson <eitan@monotonous.org>
Thu, 20 Dec 2018 16:03:00 -0500
changeset 501491 c58ea2229c337e9981ab9d3650b04fd3d249b141
parent 465967 5d9f32557d7740c7c30f7bc6057c4de0c294d828
child 508163 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1513912 - Null check return from TextToSpeech.getFeatures(). r=agi, a=jcristau

/* -*- 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 "CompositorWidgetVsyncObserver.h"
#include "mozilla/gfx/VsyncBridgeChild.h"

namespace mozilla {
namespace widget {

CompositorWidgetVsyncObserver::CompositorWidgetVsyncObserver(
    RefPtr<VsyncBridgeChild> aVsyncBridge,
    const layers::LayersId& aRootLayerTreeId)
 : mVsyncBridge(aVsyncBridge),
   mRootLayerTreeId(aRootLayerTreeId)
{
  MOZ_ASSERT(XRE_IsParentProcess());
  MOZ_ASSERT(NS_IsMainThread());
}

bool
CompositorWidgetVsyncObserver::NotifyVsync(TimeStamp aTimeStamp)
{
  // Vsync notifications should only arrive on the vsync thread.
  MOZ_ASSERT(XRE_IsParentProcess());
  MOZ_ASSERT(!NS_IsMainThread());

  mVsyncBridge->NotifyVsync(aTimeStamp, mRootLayerTreeId);
  return true;
}

} // namespace widget
} // namespace mozilla