1 files changed, 44 insertions, 0 deletions
diff --git a/widget/android/AndroidCompositorWidget.h b/widget/android/AndroidCompositorWidget.h
new file mode 100644
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+++ b/widget/android/AndroidCompositorWidget.h
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+/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * 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_AndroidCompositorWidget_h
+#define mozilla_widget_AndroidCompositorWidget_h
+
+#include "mozilla/widget/InProcessCompositorWidget.h"
+
+namespace mozilla {
+namespace widget {
+
+/**
+ * AndroidCompositorWidget inherits from InProcessCompositorWidget because
+ * Android does not support OOP compositing yet. Once it does,
+ * AndroidCompositorWidget will be made to inherit from CompositorWidget
+ * instead.
+ */
+class AndroidCompositorWidget final : public InProcessCompositorWidget
+{
+public:
+    using InProcessCompositorWidget::InProcessCompositorWidget;
+
+    AndroidCompositorWidget* AsAndroid() override { return this; }
+
+    void SetFirstPaintViewport(const LayerIntPoint& aOffset,
+                               const CSSToLayerScale& aZoom,
+                               const CSSRect& aCssPageRect);
+
+    void SyncFrameMetrics(const ParentLayerPoint& aScrollOffset,
+                          const CSSToParentLayerScale& aZoom,
+                          const CSSRect& aCssPageRect,
+                          const CSSRect& aDisplayPort,
+                          const CSSToLayerScale& aPaintedResolution,
+                          bool aLayersUpdated,
+                          int32_t aPaintSyncId,
+                          ScreenMargin& aFixedLayerMargins);
+};
+
+} // namespace widget
+} // namespace mozilla
+
+#endif // mozilla_widget_AndroidCompositorWidget_h