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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/. */
#ifndef widget_windows_CompositorWidgetParent_h
#define widget_windows_CompositorWidgetParent_h
#include "WinCompositorWidget.h"
#include "mozilla/Maybe.h"
#include "mozilla/widget/PCompositorWidgetParent.h"
namespace mozilla {
namespace widget {
enum class TransparencyMode : uint8_t;
namespace remote_backbuffer {
class Client;
}
class CompositorWidgetParent final : public PCompositorWidgetParent,
public WinCompositorWidget {
public:
explicit CompositorWidgetParent(const CompositorWidgetInitData& aInitData,
const layers::CompositorOptions& aOptions);
~CompositorWidgetParent() override;
bool Initialize(const RemoteBackbufferHandles& aRemoteHandles);
bool PreRender(WidgetRenderingContext*) override;
void PostRender(WidgetRenderingContext*) override;
already_AddRefed<gfx::DrawTarget> StartRemoteDrawingInRegion(
const LayoutDeviceIntRegion& aInvalidRegion,
layers::BufferMode* aBufferMode) override;
void EndRemoteDrawingInRegion(
gfx::DrawTarget* aDrawTarget,
const LayoutDeviceIntRegion& aInvalidRegion) override;
bool NeedsToDeferEndRemoteDrawing() override;
LayoutDeviceIntSize GetClientSize() override;
already_AddRefed<gfx::DrawTarget> GetBackBufferDrawTarget(
gfx::DrawTarget* aScreenTarget, const gfx::IntRect& aRect,
bool* aOutIsCleared) override;
already_AddRefed<gfx::SourceSurface> EndBackBufferDrawing() override;
bool InitCompositor(layers::Compositor* aCompositor) override;
bool IsHidden() const override;
nsSizeMode GetWindowSizeMode() const override;
bool GetWindowIsFullyOccluded() const override;
mozilla::ipc::IPCResult RecvInitialize(
const RemoteBackbufferHandles& aRemoteHandles) override;
mozilla::ipc::IPCResult RecvEnterPresentLock() override;
mozilla::ipc::IPCResult RecvLeavePresentLock() override;
mozilla::ipc::IPCResult RecvUpdateTransparency(
const TransparencyMode& aMode) override;
mozilla::ipc::IPCResult RecvNotifyVisibilityUpdated(
const nsSizeMode& aSizeMode, const bool& aIsFullyOccluded) override;
mozilla::ipc::IPCResult RecvClearTransparentWindow() override;
void ActorDestroy(ActorDestroyReason aWhy) override;
nsIWidget* RealWidget() override;
void ObserveVsync(VsyncObserver* aObserver) override;
RefPtr<VsyncObserver> GetVsyncObserver() const override;
// PlatformCompositorWidgetDelegate Overrides
void UpdateCompositorWnd(const HWND aCompositorWnd,
const HWND aParentWnd) override;
void SetRootLayerTreeID(const layers::LayersId& aRootLayerTreeId) override;
private:
RefPtr<VsyncObserver> mVsyncObserver;
Maybe<layers::LayersId> mRootLayerTreeID;
HWND mWnd;
gfx::CriticalSection mPresentLock;
// Transparency handling.
mozilla::Atomic<uint32_t, MemoryOrdering::Relaxed> mTransparencyMode;
// Visibility handling.
mozilla::Atomic<nsSizeMode, MemoryOrdering::Relaxed> mSizeMode;
mozilla::Atomic<bool, MemoryOrdering::Relaxed> mIsFullyOccluded;
std::unique_ptr<remote_backbuffer::Client> mRemoteBackbufferClient;
};
} // namespace widget
} // namespace mozilla
#endif // widget_windows_CompositorWidgetParent_h
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