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-rw-r--r--widget/windows/CompositorWidgetParent.h94
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diff --git a/widget/windows/CompositorWidgetParent.h b/widget/windows/CompositorWidgetParent.h
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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;
+
+ bool HasGlass() 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