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| 1 /* | 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 13 matching lines...) Expand all Loading... |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ | 29 */ |
| 30 | 30 |
| 31 #ifndef ImageQualityController_h | 31 #ifndef ImageQualityController_h |
| 32 #define ImageQualityController_h | 32 #define ImageQualityController_h |
| 33 | 33 |
| 34 #include "core/rendering/RenderObject.h" | 34 #include "core/layout/LayoutObject.h" |
| 35 #include "platform/geometry/IntSize.h" | 35 #include "platform/geometry/IntSize.h" |
| 36 #include "platform/geometry/LayoutSize.h" | 36 #include "platform/geometry/LayoutSize.h" |
| 37 #include "platform/graphics/Image.h" | 37 #include "platform/graphics/Image.h" |
| 38 #include "platform/graphics/ImageOrientation.h" | 38 #include "platform/graphics/ImageOrientation.h" |
| 39 #include "platform/graphics/ImageSource.h" | 39 #include "platform/graphics/ImageSource.h" |
| 40 #include "wtf/HashMap.h" | 40 #include "wtf/HashMap.h" |
| 41 | 41 |
| 42 namespace blink { | 42 namespace blink { |
| 43 | 43 |
| 44 typedef HashMap<const void*, LayoutSize> LayerSizeMap; | 44 typedef HashMap<const void*, LayoutSize> LayerSizeMap; |
| 45 typedef HashMap<RenderObject*, LayerSizeMap> ObjectLayerSizeMap; | 45 typedef HashMap<LayoutObject*, LayerSizeMap> ObjectLayerSizeMap; |
| 46 | 46 |
| 47 class ImageQualityController final { | 47 class ImageQualityController final { |
| 48 WTF_MAKE_NONCOPYABLE(ImageQualityController); WTF_MAKE_FAST_ALLOCATED; | 48 WTF_MAKE_NONCOPYABLE(ImageQualityController); WTF_MAKE_FAST_ALLOCATED; |
| 49 public: | 49 public: |
| 50 ~ImageQualityController(); | 50 ~ImageQualityController(); |
| 51 | 51 |
| 52 static ImageQualityController* imageQualityController(); | 52 static ImageQualityController* imageQualityController(); |
| 53 | 53 |
| 54 static void remove(RenderObject*); | 54 static void remove(LayoutObject*); |
| 55 | 55 |
| 56 InterpolationQuality chooseInterpolationQuality(GraphicsContext*, RenderObje
ct*, Image*, const void* layer, const LayoutSize&); | 56 InterpolationQuality chooseInterpolationQuality(GraphicsContext*, LayoutObje
ct*, Image*, const void* layer, const LayoutSize&); |
| 57 | 57 |
| 58 // For testing. | 58 // For testing. |
| 59 static bool has(RenderObject*); | 59 static bool has(LayoutObject*); |
| 60 // This is public for testing. Do not call this from other classes. | 60 // This is public for testing. Do not call this from other classes. |
| 61 void set(RenderObject*, LayerSizeMap* innerMap, const void* layer, const Lay
outSize&); | 61 void set(LayoutObject*, LayerSizeMap* innerMap, const void* layer, const Lay
outSize&); |
| 62 | 62 |
| 63 private: | 63 private: |
| 64 ImageQualityController(); | 64 ImageQualityController(); |
| 65 | 65 |
| 66 bool shouldPaintAtLowQuality(GraphicsContext*, RenderObject*, Image*, const
void* layer, const LayoutSize&); | 66 bool shouldPaintAtLowQuality(GraphicsContext*, LayoutObject*, Image*, const
void* layer, const LayoutSize&); |
| 67 void removeLayer(RenderObject*, LayerSizeMap* innerMap, const void* layer); | 67 void removeLayer(LayoutObject*, LayerSizeMap* innerMap, const void* layer); |
| 68 void objectDestroyed(RenderObject*); | 68 void objectDestroyed(LayoutObject*); |
| 69 bool isEmpty() { return m_objectLayerSizeMap.isEmpty(); } | 69 bool isEmpty() { return m_objectLayerSizeMap.isEmpty(); } |
| 70 | 70 |
| 71 void highQualityRepaintTimerFired(Timer<ImageQualityController>*); | 71 void highQualityRepaintTimerFired(Timer<ImageQualityController>*); |
| 72 void restartTimer(); | 72 void restartTimer(); |
| 73 | 73 |
| 74 ObjectLayerSizeMap m_objectLayerSizeMap; | 74 ObjectLayerSizeMap m_objectLayerSizeMap; |
| 75 Timer<ImageQualityController> m_timer; | 75 Timer<ImageQualityController> m_timer; |
| 76 bool m_animatedResizeIsActive; | 76 bool m_animatedResizeIsActive; |
| 77 bool m_liveResizeOptimizationIsActive; | 77 bool m_liveResizeOptimizationIsActive; |
| 78 }; | 78 }; |
| 79 | 79 |
| 80 } // namespace blink | 80 } // namespace blink |
| 81 | 81 |
| 82 #endif | 82 #endif |
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