gecko-dev/widget/windows/InProcessWinCompositorWidget.cpp
Ryan Hunt 6709eb39c5 Bug 1469486 - Protect main thread in-process access to WinCompositorWidget transparent surface. r=lsalzman
Differential Revision: https://phabricator.services.mozilla.com/D7178

--HG--
extra : source : 428de79948a9c9195cf62b6c9869dcd29d5e2b30
extra : amend_source : 0ab8b5d7560ccd8224ead02db7075d3f7dcc3e1c
2018-09-27 15:57:56 -05:00

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2.4 KiB
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/* -*- 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