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 "mozilla/widget/CompositorWidgetVsyncObserver.h" 9 #include "nsBaseWidget.h" 10 #include "VsyncDispatcher.h" 11 #include "gfxPlatform.h" 12 13 namespace mozilla { 14 namespace widget { 15 CompositorWidgetChild(RefPtr<CompositorVsyncDispatcher> aVsyncDispatcher,RefPtr<CompositorWidgetVsyncObserver> aVsyncObserver)16CompositorWidgetChild::CompositorWidgetChild( 17 RefPtr<CompositorVsyncDispatcher> aVsyncDispatcher, 18 RefPtr<CompositorWidgetVsyncObserver> aVsyncObserver) 19 : mVsyncDispatcher(aVsyncDispatcher), mVsyncObserver(aVsyncObserver) { 20 MOZ_ASSERT(XRE_IsParentProcess()); 21 MOZ_ASSERT(!gfxPlatform::IsHeadless()); 22 } 23 ~CompositorWidgetChild()24CompositorWidgetChild::~CompositorWidgetChild() {} 25 EnterPresentLock()26void CompositorWidgetChild::EnterPresentLock() { 27 Unused << SendEnterPresentLock(); 28 } 29 LeavePresentLock()30void CompositorWidgetChild::LeavePresentLock() { 31 Unused << SendLeavePresentLock(); 32 } 33 OnDestroyWindow()34void CompositorWidgetChild::OnDestroyWindow() {} 35 UpdateTransparency(nsTransparencyMode aMode)36void CompositorWidgetChild::UpdateTransparency(nsTransparencyMode aMode) { 37 Unused << SendUpdateTransparency(static_cast<int32_t>(aMode)); 38 } 39 ClearTransparentWindow()40void CompositorWidgetChild::ClearTransparentWindow() { 41 Unused << SendClearTransparentWindow(); 42 } 43 GetTransparentDC() const44HDC CompositorWidgetChild::GetTransparentDC() const { 45 // Not supported in out-of-process mode. 46 return nullptr; 47 } 48 RecvObserveVsync()49mozilla::ipc::IPCResult CompositorWidgetChild::RecvObserveVsync() { 50 mVsyncDispatcher->SetCompositorVsyncObserver(mVsyncObserver); 51 return IPC_OK(); 52 } 53 RecvUnobserveVsync()54mozilla::ipc::IPCResult CompositorWidgetChild::RecvUnobserveVsync() { 55 mVsyncDispatcher->SetCompositorVsyncObserver(nullptr); 56 return IPC_OK(); 57 } 58 59 } // namespace widget 60 } // namespace mozilla 61