зеркало из https://github.com/mozilla/gecko-dev.git
70 строки
2.0 KiB
C
70 строки
2.0 KiB
C
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/* -*- 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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