зеркало из https://github.com/mozilla/gecko-dev.git
100 строки
3.1 KiB
C++
100 строки
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef widget_windows_WinCompositorWidget_h
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#define widget_windows_WinCompositorWidget_h
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#include "CompositorWidget.h"
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#include "gfxASurface.h"
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#include "mozilla/Atomics.h"
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#include "mozilla/gfx/CriticalSection.h"
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#include "mozilla/gfx/Point.h"
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#include "mozilla/layers/LayersTypes.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/widget/WinCompositorWindowThread.h"
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#include "FxROutputHandler.h"
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#include "nsIWidget.h"
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class nsWindow;
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namespace mozilla {
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namespace widget {
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class PlatformCompositorWidgetDelegate : public CompositorWidgetDelegate {
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public:
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// Callbacks for nsWindow.
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virtual void EnterPresentLock() = 0;
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virtual void LeavePresentLock() = 0;
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virtual void OnDestroyWindow() = 0;
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virtual bool OnWindowResize(const LayoutDeviceIntSize& aSize) = 0;
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virtual void OnWindowModeChange(nsSizeMode aSizeMode) = 0;
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// Transparency handling.
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virtual void UpdateTransparency(nsTransparencyMode aMode) = 0;
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virtual void ClearTransparentWindow() = 0;
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// CompositorWidgetDelegate Overrides
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PlatformCompositorWidgetDelegate* AsPlatformSpecificDelegate() override {
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return this;
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}
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};
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class WinCompositorWidgetInitData;
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// This is the Windows-specific implementation of CompositorWidget. For
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// the most part it only requires an HWND, however it maintains extra state
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// for transparent windows, as well as for synchronizing WM_SETTEXT messages
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// with the compositor.
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class WinCompositorWidget : public CompositorWidget {
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public:
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WinCompositorWidget(const WinCompositorWidgetInitData& aInitData,
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const layers::CompositorOptions& aOptions);
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~WinCompositorWidget() override;
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// CompositorWidget Overrides
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uintptr_t GetWidgetKey() override;
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WinCompositorWidget* AsWindows() override { return this; }
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HWND GetHwnd() const {
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return mCompositorWnds.mCompositorWnd ? mCompositorWnds.mCompositorWnd
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: mWnd;
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}
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HWND GetCompositorHwnd() const { return mCompositorWnds.mCompositorWnd; }
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void EnsureCompositorWindow();
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void DestroyCompositorWindow();
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void UpdateCompositorWndSizeIfNecessary();
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void RequestFxrOutput();
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bool HasFxrOutputHandler() const { return mFxrHandler != nullptr; }
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FxROutputHandler* GetFxrOutputHandler() const { return mFxrHandler.get(); }
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virtual bool HasGlass() const = 0;
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virtual void UpdateCompositorWnd(const HWND aCompositorWnd,
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const HWND aParentWnd) = 0;
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virtual void SetRootLayerTreeID(const layers::LayersId& aRootLayerTreeId) = 0;
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protected:
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bool mSetParentCompleted;
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private:
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uintptr_t mWidgetKey;
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HWND mWnd;
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WinCompositorWnds mCompositorWnds;
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LayoutDeviceIntSize mLastCompositorWndSize;
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UniquePtr<FxROutputHandler> mFxrHandler;
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};
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} // namespace widget
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} // namespace mozilla
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#endif // widget_windows_WinCompositorWidget_h
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