1 files changed, 48 insertions, 0 deletions
diff --git a/widget/gtk/WindowSurfaceX11Image.h b/widget/gtk/WindowSurfaceX11Image.h
new file mode 100644
index 0000000000..b8b2a33f0e
--- /dev/null
+++ b/widget/gtk/WindowSurfaceX11Image.h
@@ -0,0 +1,48 @@
+/* -*- 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_X11_IMAGE_H
+#define _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_X11_IMAGE_H
+
+#ifdef MOZ_X11
+
+#  include <glib.h>
+#  include "WindowSurfaceX11.h"
+#  include "gfxXlibSurface.h"
+#  include "gfxImageSurface.h"
+
+namespace mozilla {
+namespace widget {
+
+class WindowSurfaceX11Image : public WindowSurfaceX11 {
+ public:
+  WindowSurfaceX11Image(Display* aDisplay, Window aWindow, Visual* aVisual,
+                        unsigned int aDepth, bool aIsShaped);
+  ~WindowSurfaceX11Image();
+
+  already_AddRefed<gfx::DrawTarget> Lock(
+      const LayoutDeviceIntRegion& aRegion) override;
+  void Commit(const LayoutDeviceIntRegion& aInvalidRegion) override;
+  bool IsFallback() const override { return true; }
+
+ private:
+  void ResizeTransparencyBitmap(int aWidth, int aHeight);
+  void ApplyTransparencyBitmap();
+
+  RefPtr<gfxXlibSurface> mWindowSurface;
+  RefPtr<gfxImageSurface> mImageSurface;
+
+  gchar* mTransparencyBitmap;
+  int32_t mTransparencyBitmapWidth;
+  int32_t mTransparencyBitmapHeight;
+  bool mIsShaped;
+};
+
+}  // namespace widget
+}  // namespace mozilla
+
+#endif  // MOZ_X11
+#endif  // _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_X11_IMAGE_H