gecko-dev/widget/windows/InProcessWinCompositorWidget.cpp

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "gfxPlatform.h"
#include "HeadlessCompositorWidget.h"
#include "HeadlessWidget.h"
#include "mozilla/widget/PlatformWidgetTypes.h"

#include "InProcessWinCompositorWidget.h"
#include "nsWindow.h"

namespace mozilla {
namespace widget {

/* static */
RefPtr<CompositorWidget> CompositorWidget::CreateLocal(
    const CompositorWidgetInitData& aInitData,
    const layers::CompositorOptions& aOptions, nsIWidget* aWidget) {
  if (aInitData.type() ==
      CompositorWidgetInitData::THeadlessCompositorWidgetInitData) {
    return new HeadlessCompositorWidget(
        aInitData.get_HeadlessCompositorWidgetInitData(), aOptions,
        static_cast<HeadlessWidget*>(aWidget));
  } else {
    return new InProcessWinCompositorWidget(
        aInitData.get_WinCompositorWidgetInitData(), aOptions,
        static_cast<nsWindow*>(aWidget));
  }
}

InProcessWinCompositorWidget::InProcessWinCompositorWidget(
    const WinCompositorWidgetInitData& aInitData,
    const layers::CompositorOptions& aOptions, nsWindow* aWindow)
    : WinCompositorWidget(aInitData, aOptions), mWindow(aWindow) {
  MOZ_ASSERT(mWindow);
}

void InProcessWinCompositorWidget::OnDestroyWindow() {
  EnterPresentLock();
  WinCompositorWidget::OnDestroyWindow();
  LeavePresentLock();
}

void InProcessWinCompositorWidget::UpdateTransparency(
    nsTransparencyMode aMode) {
  EnterPresentLock();
  WinCompositorWidget::UpdateTransparency(aMode);
  LeavePresentLock();
}

void InProcessWinCompositorWidget::ClearTransparentWindow() {
  EnterPresentLock();
  WinCompositorWidget::ClearTransparentWindow();
  LeavePresentLock();
}

nsIWidget* InProcessWinCompositorWidget::RealWidget() { return mWindow; }

void InProcessWinCompositorWidget::ObserveVsync(VsyncObserver* aObserver) {
  if (RefPtr<CompositorVsyncDispatcher> cvd =
          mWindow->GetCompositorVsyncDispatcher()) {
    cvd->SetCompositorVsyncObserver(aObserver);
  }
}

}  // namespace widget
}  // namespace mozilla