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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /widget/gtk/WindowSurfaceProvider.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'widget/gtk/WindowSurfaceProvider.h')
-rw-r--r--widget/gtk/WindowSurfaceProvider.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/widget/gtk/WindowSurfaceProvider.h b/widget/gtk/WindowSurfaceProvider.h
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+/* -*- 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