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