1 files changed, 71 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/android/LayerGroup.h b/Source/WebCore/platform/graphics/android/LayerGroup.h
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+++ b/Source/WebCore/platform/graphics/android/LayerGroup.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2012, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LayerGroup_h
+#define LayerGroup_h
+
+#include "TilePainter.h"
+#include "Vector.h"
+
+class SkCanvas;
+class SkRegion;
+
+namespace WebCore {
+
+class BaseTile;
+class DualTiledTexture;
+class TexturesResult;
+class LayerAndroid;
+
+class LayerGroup : public TilePainter {
+public:
+    LayerGroup();
+    virtual ~LayerGroup();
+
+    void initializeGroup(LayerAndroid* newLayer, const SkRegion& newLayerInval,
+                         LayerAndroid* oldLayer);
+
+    void addLayer(LayerAndroid* layer);
+    void prepareGL(bool layerTilesDisabled);
+    bool drawGL(bool layerTilesDisabled);
+    void swapTiles();
+    bool isReady();
+
+    IntRect computePrepareArea();
+    void computeTexturesAmount(TexturesResult* result);
+
+    // TilePainter methods
+    virtual bool paint(BaseTile* tile, SkCanvas* canvas, unsigned int* pictureUsed);
+    virtual const TransformationMatrix* transform();
+    virtual float opacity();
+private:
+    bool m_hasText;
+    DualTiledTexture* m_dualTiledTexture;
+    Vector<LayerAndroid*> m_layers;
+};
+
+} // namespace WebCore
+
+#endif //#define LayerGroup_h