third_party/WebKit/Source/core/css/resolver/ElementStyleResources.h - Issue 2490163002: Reland of "Tracking reference filter mutation via SVGElementProxy"

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Issue 2490163002: Reland of "Tracking reference filter mutation via SVGElementProxy" (Closed)

Patch Set: Fix double observer unregistration; simplify scope selection; add tests Created 4 years, 1 month ago

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1 /*	1 /*

2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)	2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)

3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.	3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.

4 * All rights reserved.	4 * All rights reserved.

5 * Copyright (C) 2013 Google Inc. All rights reserved.	5 * Copyright (C) 2013 Google Inc. All rights reserved.

6 *	6 *

7 * This library is free software; you can redistribute it and/or	7 * This library is free software; you can redistribute it and/or

8 * modify it under the terms of the GNU Library General Public	8 * modify it under the terms of the GNU Library General Public

9 * License as published by the Free Software Foundation; either	9 * License as published by the Free Software Foundation; either

10 * version 2 of the License, or (at your option) any later version.	10 * version 2 of the License, or (at your option) any later version.

(...skipping 24 matching lines...) Expand all Loading...
35 namespace blink {	35 namespace blink {

36	36

37 class CSSCursorImageValue;	37 class CSSCursorImageValue;

38 class CSSImageGeneratorValue;	38 class CSSImageGeneratorValue;

39 class CSSImageSetValue;	39 class CSSImageSetValue;

40 class CSSImageValue;	40 class CSSImageValue;

41 class CSSURIValue;	41 class CSSURIValue;

42 class CSSValue;	42 class CSSValue;

43 class ComputedStyle;	43 class ComputedStyle;

44 class Document;	44 class Document;

45 class FilterOperation;	45 class SVGElementProxy;

46 class StyleImage;	46 class StyleImage;

47 class StylePendingImage;	47 class StylePendingImage;

48	48

49 // Holds information about resources, requested by stylesheets.	49 // Holds information about resources, requested by stylesheets.

50 // Lifetime: per-element style resolve.	50 // Lifetime: per-element style resolve.

51 class ElementStyleResources {	51 class ElementStyleResources {

52 STACK_ALLOCATED();	52 STACK_ALLOCATED();

53 WTF_MAKE_NONCOPYABLE(ElementStyleResources);	53 WTF_MAKE_NONCOPYABLE(ElementStyleResources);

54	54

55 public:	55 public:

56 ElementStyleResources(Document&, float deviceScaleFactor);	56 ElementStyleResources(Document&, float deviceScaleFactor);

57	57

58 StyleImage* styleImage(CSSPropertyID, const CSSValue&);	58 StyleImage* styleImage(CSSPropertyID, const CSSValue&);

59 StyleImage* cachedOrPendingFromValue(CSSPropertyID, const CSSImageValue&);	59 StyleImage* cachedOrPendingFromValue(CSSPropertyID, const CSSImageValue&);

60 StyleImage* setOrPendingFromValue(CSSPropertyID, const CSSImageSetValue&);	60 StyleImage* setOrPendingFromValue(CSSPropertyID, const CSSImageSetValue&);

	61 SVGElementProxy& cachedOrPendingFromValue(const CSSURIValue&);

61	62

62 void loadPendingResources(ComputedStyle*);	63 void loadPendingResources(ComputedStyle*);

63	64

64 void addPendingSVGDocument(FilterOperation, const CSSURIValue);

65

66 private:	65 private:

67 StyleImage* cursorOrPendingFromValue(CSSPropertyID,	66 StyleImage* cursorOrPendingFromValue(CSSPropertyID,

68 const CSSCursorImageValue&);	67 const CSSCursorImageValue&);

69 StyleImage* generatedOrPendingFromValue(CSSPropertyID,	68 StyleImage* generatedOrPendingFromValue(CSSPropertyID,

70 const CSSImageGeneratorValue&);	69 const CSSImageGeneratorValue&);

71	70

72 void loadPendingSVGDocuments(ComputedStyle*);	71 void loadPendingSVGDocuments(ComputedStyle*);

73 void loadPendingImages(ComputedStyle*);	72 void loadPendingImages(ComputedStyle*);

74	73

75 StyleImage* loadPendingImage(	74 StyleImage* loadPendingImage(

76 ComputedStyle*,	75 ComputedStyle*,

77 StylePendingImage*,	76 StylePendingImage*,

78 CrossOriginAttributeValue = CrossOriginAttributeNotSet);	77 CrossOriginAttributeValue = CrossOriginAttributeNotSet);

79	78

80 Member<Document> m_document;	79 Member<Document> m_document;

81 HashSet<CSSPropertyID> m_pendingImageProperties;	80 HashSet<CSSPropertyID> m_pendingImageProperties;

82 HeapHashMap<Member<FilterOperation>, Member<const CSSURIValue>>

83 m_pendingSVGDocuments;

84 float m_deviceScaleFactor;	81 float m_deviceScaleFactor;

85 };	82 };

86	83

87 } // namespace blink	84 } // namespace blink

88	85

89 #endif // ElementStyleResources_h	86 #endif // ElementStyleResources_h

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