1/* 2 * Copyright 2010, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef PaintTileSetOperation_h 27#define PaintTileSetOperation_h 28 29#include "Tile.h" 30#include "QueuedOperation.h" 31#include "SkRefCnt.h" 32 33namespace WebCore { 34 35class LayerAndroid; 36class TilePainter; 37class ImageTexture; 38 39class PaintTileOperation : public QueuedOperation { 40public: 41 PaintTileOperation(Tile* tile, TilePainter* painter, 42 GLWebViewState* state, bool isLowResPrefetch); 43 virtual ~PaintTileOperation(); 44 virtual bool operator==(const QueuedOperation* operation); 45 virtual void run(); 46 virtual void* uniquePtr() { return m_tile; } 47 // returns a rendering priority for m_tile, lower values are processed faster 48 virtual int priority(); 49 50 TilePainter* painter() { return m_painter; } 51 void updatePainter(TilePainter* painter); 52 float scale() { return m_tile->scale(); } 53 54private: 55 Tile* m_tile; 56 TilePainter* m_painter; 57 GLWebViewState* m_state; 58 bool m_isLowResPrefetch; 59}; 60 61class ScaleFilter : public OperationFilter { 62public: 63 ScaleFilter(const TilePainter* painter, float scale) 64 : m_painter(painter) 65 , m_scale(scale) {} 66 virtual bool check(QueuedOperation* operation) 67 { 68 PaintTileOperation* op = static_cast<PaintTileOperation*>(operation); 69 return ((op->painter() == m_painter) && (op->scale() != m_scale)); 70 } 71private: 72 const TilePainter* m_painter; 73 float m_scale; 74}; 75 76 77class TilePainterFilter : public OperationFilter { 78public: 79 TilePainterFilter(TilePainter* painter) : m_painter(painter) {} 80 virtual bool check(QueuedOperation* operation) 81 { 82 PaintTileOperation* op = static_cast<PaintTileOperation*>(operation); 83 return op->painter() == m_painter; 84 } 85private: 86 TilePainter* m_painter; 87}; 88 89} 90 91#endif // PaintTileSetOperation_h 92