forked from mirrors/gecko-dev
		
	MozReview-Commit-ID: 1eq3rRwv1g3 --HG-- extra : rebase_source : a6a5a51d58009beb4219586014cc512ecb28ea20
		
			
				
	
	
		
			69 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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 *
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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 _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_PROVIDER_H
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#define _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_PROVIDER_H
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#include "mozilla/widget/WindowSurface.h"
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#include "mozilla/gfx/Types.h"
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#include "mozilla/gfx/2D.h"
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#include "Units.h"
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#include <X11/Xlib.h> // for Window, Display, Visual, etc.
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namespace mozilla {
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namespace widget {
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/*
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 * Holds the logic for creating WindowSurface's for a GTK nsWindow.
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 * The main purpose of this class is to allow sharing of logic between
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 * nsWindow and X11CompositorWidget, for when OMTC is enabled or disabled.
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 */
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class WindowSurfaceProvider final
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{
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public:
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  WindowSurfaceProvider();
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  /**
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   * Initializes the WindowSurfaceProvider by giving it the window
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   * handle and display to attach to. WindowSurfaceProvider doesn't
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   * own the Display, Window, etc, and they must continue to exist
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   * while WindowSurfaceProvider is used.
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   */
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  void Initialize(
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      Display* aDisplay,
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      Window aWindow,
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      Visual* aVisual,
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      int aDepth);
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  /**
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   * Releases any surfaces created by this provider.
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   * This is used by X11CompositorWidget to get rid
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   * of resources before we close the display connection.
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   */
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  void CleanupResources();
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  already_AddRefed<gfx::DrawTarget>
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  StartRemoteDrawingInRegion(LayoutDeviceIntRegion& aInvalidRegion,
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                             layers::BufferMode* aBufferMode);
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  void EndRemoteDrawingInRegion(gfx::DrawTarget* aDrawTarget,
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                                LayoutDeviceIntRegion& aInvalidRegion);
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private:
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  UniquePtr<WindowSurface> CreateWindowSurface();
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  Display*  mXDisplay;
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  Window    mXWindow;
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  Visual*   mXVisual;
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  int       mXDepth;
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  UniquePtr<WindowSurface> mWindowSurface;
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};
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}  // namespace widget
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}  // namespace mozilla
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#endif // _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_PROVIDER_H
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