Reorganize platform/graphics/android

Change-Id: Idc67155cfa99784dcd931e705336bfa063ecae46

1 files changed, 87 insertions, 0 deletions

diff --git a/Source/WebCore/platform/graphics/android/rendering/TileGrid.h b/Source/WebCore/platform/graphics/android/rendering/TileGrid.h
new file mode 100644
index 0000000..ffb6c7e
--- /dev/null
+++ b/Source/WebCore/platform/graphics/android/rendering/TileGrid.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2011, 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 TileGrid_h
+#define TileGrid_h
+
+#include "IntRect.h"
+#include "SkRegion.h"
+
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class Color;
+class GLWebViewState;
+class Tile;
+class TilePainter;
+class TransformationMatrix;
+
+class TileGrid {
+public:
+    TileGrid(bool isBaseSurface);
+    virtual ~TileGrid();
+
+    static IntRect computeTilesArea(const IntRect& contentArea, float scale);
+
+    void prepareGL(GLWebViewState* state, float scale,
+                   const IntRect& prepareArea, const IntRect& unclippedArea,
+                   TilePainter* painter, bool isLowResPrefetch = false,
+                   bool useExpandPrefetch = false);
+    void swapTiles();
+    void drawGL(const IntRect& visibleArea, float opacity,
+                const TransformationMatrix* transform, const Color* background = 0);
+
+    void prepareTile(int x, int y, TilePainter* painter,
+                     GLWebViewState* state, bool isLowResPrefetch, bool isExpandPrefetch);
+    void markAsDirty(const SkRegion& dirtyArea);
+
+    Tile* getTile(int x, int y);
+
+    void removeTiles();
+    void discardTextures();
+
+    bool isReady();
+    bool isMissingContent();
+
+    int nbTextures(IntRect& area, float scale);
+
+private:
+    void drawMissingRegion(const SkRegion& region, float opacity, const Color* tileBackground);
+    WTF::Vector<Tile*> m_tiles;
+
+    IntRect m_area;
+
+    SkRegion m_dirtyRegion;
+
+    int m_prevTileY;
+    float m_scale;
+
+    bool m_isBaseSurface;
+};
+
+} // namespace WebCore
+
+#endif // TileGrid_h