third_party/WebKit/Source/core/layout/ImageQualityController.h - Issue 1512803004: Use refs for GraphicsContext

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Issue 1512803004: Use refs for GraphicsContext (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@ScrollbarTheme

Patch Set: Created 5 years ago

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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

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46 typedef HashMap<const void*, LayoutSize> LayerSizeMap;	46 typedef HashMap<const void*, LayoutSize> LayerSizeMap;

47 typedef HashMap<const LayoutObject*, LayerSizeMap> ObjectLayerSizeMap;	47 typedef HashMap<const LayoutObject*, LayerSizeMap> ObjectLayerSizeMap;

48	48

49 class CORE_EXPORT ImageQualityController final {	49 class CORE_EXPORT ImageQualityController final {

50 WTF_MAKE_NONCOPYABLE(ImageQualityController); USING_FAST_MALLOC(ImageQuality Controller);	50 WTF_MAKE_NONCOPYABLE(ImageQualityController); USING_FAST_MALLOC(ImageQuality Controller);

51 public:	51 public:

52 ~ImageQualityController();	52 ~ImageQualityController();

53	53

54 static ImageQualityController* imageQualityController();	54 static ImageQualityController* imageQualityController();

55	55

56 static void remove(LayoutObject*);	56 static void remove(LayoutObject&);

57	57

58 InterpolationQuality chooseInterpolationQuality(GraphicsContext, const Layo utObject, Image, const void layer, const LayoutSize&);	58 InterpolationQuality chooseInterpolationQuality(const LayoutObject&, Image, const void layer, const LayoutSize&);

59	59

60 private:	60 private:

61 ImageQualityController();	61 ImageQualityController();

62	62

63 static bool has(const LayoutObject*);	63 static bool has(const LayoutObject&);

64 void set(const LayoutObject, LayerSizeMap innerMap, const void* layer, con st LayoutSize&);	64 void set(const LayoutObject&, LayerSizeMap* innerMap, const void* layer, con st LayoutSize&);

65	65

66 bool shouldPaintAtLowQuality(GraphicsContext, const LayoutObject, Image, const void layer, const LayoutSize&);	66 bool shouldPaintAtLowQuality(const LayoutObject&, Image, const void layer, const LayoutSize&);

67 void removeLayer(const LayoutObject, LayerSizeMap innerMap, const void* la yer);	67 void removeLayer(const LayoutObject&, LayerSizeMap* innerMap, const void* la yer);

68 void objectDestroyed(const LayoutObject*);	68 void objectDestroyed(const 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 // Only for use in testing.	74 // Only for use in testing.

75 void setTimer(Timer<ImageQualityController>*);	75 void setTimer(Timer<ImageQualityController>*);

76	76

77 ObjectLayerSizeMap m_objectLayerSizeMap;	77 ObjectLayerSizeMap m_objectLayerSizeMap;

78 OwnPtr<Timer<ImageQualityController>> m_timer;	78 OwnPtr<Timer<ImageQualityController>> m_timer;

79 bool m_animatedResizeIsActive;	79 bool m_animatedResizeIsActive;

80 bool m_liveResizeOptimizationIsActive;	80 bool m_liveResizeOptimizationIsActive;

81	81

82 // For calling set().	82 // For calling set().

83 FRIEND_TEST_ALL_PREFIXES(LayoutPartTest, DestroyUpdatesImageQualityControlle r);	83 FRIEND_TEST_ALL_PREFIXES(LayoutPartTest, DestroyUpdatesImageQualityControlle r);

84	84

85 // For calling setTimer(),	85 // For calling setTimer(),

86 FRIEND_TEST_ALL_PREFIXES(ImageQualityControllerTest, LowQualityFilterForLive Resize);	86 FRIEND_TEST_ALL_PREFIXES(ImageQualityControllerTest, LowQualityFilterForLive Resize);

87 FRIEND_TEST_ALL_PREFIXES(ImageQualityControllerTest, LowQualityFilterForResi zingImage);	87 FRIEND_TEST_ALL_PREFIXES(ImageQualityControllerTest, LowQualityFilterForResi zingImage);

88 FRIEND_TEST_ALL_PREFIXES(ImageQualityControllerTest, DontKickTheAnimationTim erWhenPaintingAtTheSameSize);	88 FRIEND_TEST_ALL_PREFIXES(ImageQualityControllerTest, DontKickTheAnimationTim erWhenPaintingAtTheSameSize);

89 };	89 };

90	90

91 } // namespace blink	91 } // namespace blink

92	92

93 #endif	93 #endif

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