mirror of
https://github.com/mozilla/gecko-dev.git
synced 2025-11-04 10:18:41 +02:00
111 lines
3.8 KiB
C++
111 lines
3.8 KiB
C++
/* -*- 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_InProcessWinCompositorWidget_h
|
|
#define widget_windows_InProcessWinCompositorWidget_h
|
|
|
|
#include "WinCompositorWidget.h"
|
|
|
|
class nsWindow;
|
|
class gfxASurface;
|
|
|
|
namespace mozilla::widget {
|
|
|
|
// This is the Windows-specific implementation of CompositorWidget. For
|
|
// the most part it only requires an HWND, however it maintains extra state
|
|
// for transparent windows, as well as for synchronizing WM_SETTEXT messages
|
|
// with the compositor.
|
|
class InProcessWinCompositorWidget final
|
|
: public WinCompositorWidget,
|
|
public PlatformCompositorWidgetDelegate {
|
|
public:
|
|
InProcessWinCompositorWidget(const WinCompositorWidgetInitData& aInitData,
|
|
const layers::CompositorOptions& aOptions,
|
|
nsWindow* aWindow);
|
|
|
|
bool PreRender(WidgetRenderingContext*) override;
|
|
void PostRender(WidgetRenderingContext*) override;
|
|
already_AddRefed<gfx::DrawTarget> StartRemoteDrawing() override;
|
|
void EndRemoteDrawing() 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;
|
|
CompositorWidgetDelegate* AsDelegate() override { return this; }
|
|
bool IsHidden() const override;
|
|
|
|
// PlatformCompositorWidgetDelegate Overrides
|
|
|
|
void EnterPresentLock() override;
|
|
void LeavePresentLock() override;
|
|
void OnDestroyWindow() override;
|
|
bool OnWindowResize(const LayoutDeviceIntSize& aSize) override;
|
|
void OnWindowModeChange(nsSizeMode aSizeMode) override;
|
|
void UpdateTransparency(TransparencyMode aMode) override;
|
|
void NotifyVisibilityUpdated(nsSizeMode aSizeMode,
|
|
bool aIsFullyOccluded) override;
|
|
void ClearTransparentWindow() override;
|
|
|
|
bool RedrawTransparentWindow();
|
|
|
|
// Ensure that a transparent surface exists, then return it.
|
|
RefPtr<gfxASurface> EnsureTransparentSurface();
|
|
|
|
HDC GetTransparentDC() const { return mMemoryDC; }
|
|
|
|
mozilla::Mutex& GetTransparentSurfaceLock() {
|
|
return mTransparentSurfaceLock;
|
|
}
|
|
|
|
nsSizeMode GetWindowSizeMode() const override;
|
|
bool GetWindowIsFullyOccluded() const override;
|
|
|
|
void ObserveVsync(VsyncObserver* aObserver) override;
|
|
nsIWidget* RealWidget() override;
|
|
|
|
void UpdateCompositorWnd(const HWND aCompositorWnd,
|
|
const HWND aParentWnd) override;
|
|
void SetRootLayerTreeID(const layers::LayersId& aRootLayerTreeId) override {}
|
|
|
|
private:
|
|
HDC GetWindowSurface();
|
|
void FreeWindowSurface(HDC dc);
|
|
|
|
void CreateTransparentSurface(const gfx::IntSize& aSize);
|
|
|
|
nsWindow* mWindow;
|
|
|
|
HWND mWnd;
|
|
|
|
gfx::CriticalSection mPresentLock;
|
|
|
|
// Transparency handling.
|
|
mozilla::Mutex mTransparentSurfaceLock MOZ_UNANNOTATED;
|
|
mozilla::Atomic<uint32_t, MemoryOrdering::Relaxed> mTransparencyMode;
|
|
|
|
bool TransparencyModeIs(TransparencyMode aMode) const {
|
|
return TransparencyMode(uint32_t(mTransparencyMode)) == aMode;
|
|
}
|
|
|
|
// Visibility handling.
|
|
mozilla::Atomic<nsSizeMode, MemoryOrdering::Relaxed> mSizeMode;
|
|
mozilla::Atomic<bool, MemoryOrdering::Relaxed> mIsFullyOccluded;
|
|
|
|
RefPtr<gfxASurface> mTransparentSurface;
|
|
HDC mMemoryDC;
|
|
HDC mCompositeDC;
|
|
|
|
// Locked back buffer of BasicCompositor
|
|
uint8_t* mLockedBackBufferData;
|
|
|
|
bool mNotDeferEndRemoteDrawing;
|
|
};
|
|
|
|
} // namespace mozilla::widget
|
|
|
|
#endif // widget_windows_InProcessWinCompositorWidget_h
|