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| 1 /* | |
| 2 Copyright (C) 2010-2012 Nokia Corporation and/or its subsidiary(-ies) | |
| 3 | |
| 4 This library is free software; you can redistribute it and/or | |
| 5 modify it under the terms of the GNU Library General Public | |
| 6 License as published by the Free Software Foundation; either | |
| 7 version 2 of the License, or (at your option) any later version. | |
| 8 | |
| 9 This library is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 Library General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU Library General Public License | |
| 15 along with this library; see the file COPYING.LIB. If not, write to | |
| 16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 17 Boston, MA 02110-1301, USA. | |
| 18 */ | |
| 19 | |
| 20 #ifndef TiledBackingStore_h | |
| 21 #define TiledBackingStore_h | |
| 22 | |
| 23 #if USE(TILED_BACKING_STORE) | |
| 24 | |
| 25 #include "FloatPoint.h" | |
| 26 #include "IntPoint.h" | |
| 27 #include "IntRect.h" | |
| 28 #include "Tile.h" | |
| 29 #include "TiledBackingStoreBackend.h" | |
| 30 #include "Timer.h" | |
| 31 #include <wtf/Assertions.h> | |
| 32 #include <wtf/HashMap.h> | |
| 33 #include <wtf/RefPtr.h> | |
| 34 | |
| 35 namespace WebCore { | |
| 36 | |
| 37 class GraphicsContext; | |
| 38 class TiledBackingStore; | |
| 39 class TiledBackingStoreClient; | |
| 40 | |
| 41 class TiledBackingStore { | |
| 42 WTF_MAKE_NONCOPYABLE(TiledBackingStore); WTF_MAKE_FAST_ALLOCATED; | |
| 43 public: | |
| 44 TiledBackingStore(TiledBackingStoreClient*, PassOwnPtr<TiledBackingStoreBack
end> = TiledBackingStoreBackend::create()); | |
| 45 ~TiledBackingStore(); | |
| 46 | |
| 47 TiledBackingStoreClient* client() { return m_client; } | |
| 48 | |
| 49 // Used when class methods cannot be called asynchronously by client. | |
| 50 // Updates of tiles are committed as soon as all the events in event queue h
ave been processed. | |
| 51 void setCommitTileUpdatesOnIdleEventLoop(bool enable) { m_commitTileUpdatesO
nIdleEventLoop = enable; } | |
| 52 | |
| 53 void setTrajectoryVector(const FloatPoint&); | |
| 54 void coverWithTilesIfNeeded(); | |
| 55 | |
| 56 float contentsScale() { return m_contentsScale; } | |
| 57 void setContentsScale(float); | |
| 58 | |
| 59 bool contentsFrozen() const { return m_contentsFrozen; } | |
| 60 void setContentsFrozen(bool); | |
| 61 | |
| 62 void updateTileBuffers(); | |
| 63 | |
| 64 void invalidate(const IntRect& dirtyRect); | |
| 65 void paint(GraphicsContext*, const IntRect&); | |
| 66 | |
| 67 IntSize tileSize() { return m_tileSize; } | |
| 68 void setTileSize(const IntSize&); | |
| 69 | |
| 70 IntRect mapToContents(const IntRect&) const; | |
| 71 IntRect mapFromContents(const IntRect&) const; | |
| 72 | |
| 73 IntRect tileRectForCoordinate(const Tile::Coordinate&) const; | |
| 74 Tile::Coordinate tileCoordinateForPoint(const IntPoint&) const; | |
| 75 double tileDistance(const IntRect& viewport, const Tile::Coordinate&) const; | |
| 76 | |
| 77 IntRect coverRect() const { return m_coverRect; } | |
| 78 bool visibleAreaIsCovered() const; | |
| 79 void removeAllNonVisibleTiles(); | |
| 80 | |
| 81 void setSupportsAlpha(bool); | |
| 82 | |
| 83 private: | |
| 84 void startTileBufferUpdateTimer(); | |
| 85 void startBackingStoreUpdateTimer(double = 0); | |
| 86 | |
| 87 void tileBufferUpdateTimerFired(Timer<TiledBackingStore>*); | |
| 88 void backingStoreUpdateTimerFired(Timer<TiledBackingStore>*); | |
| 89 | |
| 90 void createTiles(); | |
| 91 void computeCoverAndKeepRect(const IntRect& visibleRect, IntRect& coverRect,
IntRect& keepRect) const; | |
| 92 | |
| 93 bool isBackingStoreUpdatesSuspended() const; | |
| 94 bool isTileBufferUpdatesSuspended() const; | |
| 95 | |
| 96 void commitScaleChange(); | |
| 97 | |
| 98 bool resizeEdgeTiles(); | |
| 99 void setCoverRect(const IntRect& rect) { m_coverRect = rect; } | |
| 100 void setKeepRect(const IntRect&); | |
| 101 | |
| 102 PassRefPtr<Tile> tileAt(const Tile::Coordinate&) const; | |
| 103 void setTile(const Tile::Coordinate& coordinate, PassRefPtr<Tile> tile); | |
| 104 void removeTile(const Tile::Coordinate& coordinate); | |
| 105 | |
| 106 IntRect visibleRect() const; | |
| 107 | |
| 108 float coverageRatio(const IntRect&) const; | |
| 109 void adjustForContentsRect(IntRect&) const; | |
| 110 | |
| 111 void paintCheckerPattern(GraphicsContext*, const IntRect&, const Tile::Coord
inate&); | |
| 112 | |
| 113 private: | |
| 114 TiledBackingStoreClient* m_client; | |
| 115 OwnPtr<TiledBackingStoreBackend> m_backend; | |
| 116 | |
| 117 typedef HashMap<Tile::Coordinate, RefPtr<Tile> > TileMap; | |
| 118 TileMap m_tiles; | |
| 119 | |
| 120 Timer<TiledBackingStore> m_tileBufferUpdateTimer; | |
| 121 Timer<TiledBackingStore> m_backingStoreUpdateTimer; | |
| 122 | |
| 123 IntSize m_tileSize; | |
| 124 float m_coverAreaMultiplier; | |
| 125 | |
| 126 FloatPoint m_trajectoryVector; | |
| 127 FloatPoint m_pendingTrajectoryVector; | |
| 128 IntRect m_visibleRect; | |
| 129 | |
| 130 IntRect m_coverRect; | |
| 131 IntRect m_keepRect; | |
| 132 IntRect m_rect; | |
| 133 | |
| 134 float m_contentsScale; | |
| 135 float m_pendingScale; | |
| 136 | |
| 137 bool m_commitTileUpdatesOnIdleEventLoop; | |
| 138 bool m_contentsFrozen; | |
| 139 bool m_supportsAlpha; | |
| 140 bool m_pendingTileCreation; | |
| 141 | |
| 142 friend class Tile; | |
| 143 }; | |
| 144 | |
| 145 } | |
| 146 | |
| 147 #endif | |
| 148 #endif | |
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Chromium Code Reviews
Issue 13818029:
Remove TiledBacking / TileCache code (Closed)
Base URL: svn://svn.chromium.org/blink/trunk