1 files changed, 88 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/android/rendering/PaintTileOperation.h b/Source/WebCore/platform/graphics/android/rendering/PaintTileOperation.h
new file mode 100644
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+++ b/Source/WebCore/platform/graphics/android/rendering/PaintTileOperation.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2010, 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 PaintTileSetOperation_h
+#define PaintTileSetOperation_h
+
+#include "Tile.h"
+#include "QueuedOperation.h"
+#include "SkRefCnt.h"
+
+namespace WebCore {
+
+class LayerAndroid;
+class TilePainter;
+class ImageTexture;
+
+class PaintTileOperation : public QueuedOperation {
+public:
+    PaintTileOperation(Tile* tile, TilePainter* painter,
+                       GLWebViewState* state, bool isLowResPrefetch);
+    virtual ~PaintTileOperation();
+    virtual bool operator==(const QueuedOperation* operation);
+    virtual void run();
+    // returns a rendering priority for m_tile, lower values are processed faster
+    virtual int priority();
+    TilePainter* painter() { return m_painter; }
+    float scale() { return m_tile->scale(); }
+
+private:
+    Tile* m_tile;
+    TilePainter* m_painter;
+    GLWebViewState* m_state;
+    bool m_isLowResPrefetch;
+};
+
+class ScaleFilter : public OperationFilter {
+public:
+    ScaleFilter(const TilePainter* painter, float scale)
+        : m_painter(painter)
+        , m_scale(scale) {}
+    virtual bool check(QueuedOperation* operation)
+    {
+        PaintTileOperation* op = static_cast<PaintTileOperation*>(operation);
+        return ((op->painter() == m_painter) && (op->scale() != m_scale));
+    }
+private:
+    const TilePainter* m_painter;
+    float m_scale;
+};
+
+
+class TilePainterFilter : public OperationFilter {
+public:
+    TilePainterFilter(TilePainter* painter) : m_painter(painter) {}
+    virtual bool check(QueuedOperation* operation)
+    {
+        PaintTileOperation* op = static_cast<PaintTileOperation*>(operation);
+        return op->painter() == m_painter;
+    }
+private:
+    TilePainter* m_painter;
+};
+
+}
+
+#endif // PaintTileSetOperation_h