widget/gtk/CompositorWidgetChild.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "CompositorWidgetChild.h"
   7 #include "mozilla/Unused.h"
   8 #include "gfxPlatform.h"
   9
  10 namespace mozilla {
  11 namespace widget {
  12
  13 CompositorWidgetChild::CompositorWidgetChild(
  14     RefPtr<CompositorVsyncDispatcher> aVsyncDispatcher,
  15     RefPtr<CompositorWidgetVsyncObserver> aVsyncObserver,
  16     const CompositorWidgetInitData&)
  17     : mVsyncDispatcher(aVsyncDispatcher), mVsyncObserver(aVsyncObserver) {
  18   MOZ_ASSERT(XRE_IsParentProcess());
  19   MOZ_ASSERT(!gfxPlatform::IsHeadless());
  20 }
  21
  22 CompositorWidgetChild::~CompositorWidgetChild() = default;
  23
  24 bool CompositorWidgetChild::Initialize() { return true; }
  25
  26 mozilla::ipc::IPCResult CompositorWidgetChild::RecvObserveVsync() {
  27   mVsyncDispatcher->SetCompositorVsyncObserver(mVsyncObserver);
  28   return IPC_OK();
  29 }
  30
  31 mozilla::ipc::IPCResult CompositorWidgetChild::RecvUnobserveVsync() {
  32   mVsyncDispatcher->SetCompositorVsyncObserver(nullptr);
  33   return IPC_OK();
  34 }
  35
  36 void CompositorWidgetChild::NotifyClientSizeChanged(
  37     const LayoutDeviceIntSize& aClientSize) {
  38   Unused << SendNotifyClientSizeChanged(aClientSize);
  39 }
  40
  41 }  // namespace widget
  42 }  // namespace mozilla