/* -*- Mode: C++; tab-width: 4; 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 _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_PROVIDER_H #define _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_PROVIDER_H #include #include "mozilla/gfx/2D.h" #include "mozilla/gfx/Types.h" #include "mozilla/layers/LayersTypes.h" #include "mozilla/widget/WindowSurface.h" #include "Units.h" #include "mozilla/ScopeExit.h" #ifdef MOZ_X11 # include // for Window, Display, Visual, etc. # include "X11UndefineNone.h" #endif class nsWindow; 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 GtkCompositorWidget, for when OMTC is enabled or disabled. */ class WindowSurfaceProvider final { public: WindowSurfaceProvider(); ~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. */ #ifdef MOZ_WAYLAND void Initialize(RefPtr aWidget); #endif #ifdef MOZ_X11 void Initialize(Window aWindow, Visual* aVisual, int aDepth, bool aIsShaped); #endif /** * Releases any surfaces created by this provider. * This is used by GtkCompositorWidget to get rid * of resources. */ void CleanupResources(); already_AddRefed StartRemoteDrawingInRegion( const LayoutDeviceIntRegion& aInvalidRegion, layers::BufferMode* aBufferMode); void EndRemoteDrawingInRegion(gfx::DrawTarget* aDrawTarget, const LayoutDeviceIntRegion& aInvalidRegion); private: RefPtr CreateWindowSurface(); void CleanupWindowSurface(); RefPtr mWindowSurface; // WindowSurface needs to be re-created as underlying window was changed. mozilla::Atomic mWindowSurfaceValid; #ifdef MOZ_WAYLAND RefPtr mWidget; #endif #ifdef MOZ_X11 bool mIsShaped; int mXDepth; Window mXWindow; Visual* mXVisual; #endif }; } // namespace widget } // namespace mozilla #endif // _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_PROVIDER_H