third_party/WebKit/Source/core/css/resolver/ViewportStyleResolver.h - Issue 2420413005: Collect @viewport before constructing RuleSets.

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Issue 2420413005: Collect @viewport before constructing RuleSets. (Closed)

Patch Set: Rebased Created 4 years, 2 months ago

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1 /*	1 /*

2 * Copyright (C) 2012 Intel Corporation. All rights reserved.	2 * Copyright (C) 2012 Intel Corporation. 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	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 *	7 *

8 * 1. Redistributions of source code must retain the above	8 * 1. Redistributions of source code must retain the above

9 * copyright notice, this list of conditions and the following	9 * copyright notice, this list of conditions and the following

10 * disclaimer.	10 * disclaimer.

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48 static ViewportStyleResolver* create(Document& document) {	48 static ViewportStyleResolver* create(Document& document) {

49 return new ViewportStyleResolver(document);	49 return new ViewportStyleResolver(document);

50 }	50 }

51	51

52 void initialViewportChanged();	52 void initialViewportChanged();

53 void setNeedsCollectRules();	53 void setNeedsCollectRules();

54 void updateViewport(DocumentStyleSheetCollection&);	54 void updateViewport(DocumentStyleSheetCollection&);

55	55

56 void collectViewportRulesFromAuthorSheet(const CSSStyleSheet&);	56 void collectViewportRulesFromAuthorSheet(const CSSStyleSheet&);

57	57

58 enum Origin { UserAgentOrigin, AuthorOrigin };

59

60 void collectViewportRules();

61 void collectViewportRules(RuleSet*, Origin);

62

63 DECLARE_TRACE();	58 DECLARE_TRACE();

64	59

65 private:	60 private:

66 explicit ViewportStyleResolver(Document&);	61 explicit ViewportStyleResolver(Document&);

67	62

68 void reset();	63 void reset();

69 void resolve();	64 void resolve();

70	65

	66 enum Origin { UserAgentOrigin, AuthorOrigin };

71 enum UpdateType { NoUpdate, Resolve, CollectRules };	67 enum UpdateType { NoUpdate, Resolve, CollectRules };

72	68

73 void collectViewportRulesFromUASheets();	69 void collectViewportRulesFromUASheets();

74 void collectViewportChildRules(const HeapVector<Member<StyleRuleBase>>&,	70 void collectViewportChildRules(const HeapVector<Member<StyleRuleBase>>&,

75 Origin);	71 Origin);

76 void collectViewportRulesFromImports(StyleSheetContents&);	72 void collectViewportRulesFromImports(StyleSheetContents&);

77 void collectViewportRulesFromAuthorSheetContents(StyleSheetContents&);	73 void collectViewportRulesFromAuthorSheetContents(StyleSheetContents&);

78 void addViewportRule(StyleRuleViewport&, Origin);	74 void addViewportRule(StyleRuleViewport&, Origin);

79	75

80 float viewportArgumentValue(CSSPropertyID) const;	76 float viewportArgumentValue(CSSPropertyID) const;

81 Length viewportLengthValue(CSSPropertyID);	77 Length viewportLengthValue(CSSPropertyID);

82	78

83 Member<Document> m_document;	79 Member<Document> m_document;

84 Member<MutableStylePropertySet> m_propertySet;	80 Member<MutableStylePropertySet> m_propertySet;

85 Member<MediaQueryEvaluator> m_initialViewportMedium;	81 Member<MediaQueryEvaluator> m_initialViewportMedium;

86 MediaQueryResultList m_viewportDependentMediaQueryResults;	82 MediaQueryResultList m_viewportDependentMediaQueryResults;

87 MediaQueryResultList m_deviceDependentMediaQueryResults;	83 MediaQueryResultList m_deviceDependentMediaQueryResults;

88 bool m_hasAuthorStyle = false;	84 bool m_hasAuthorStyle = false;

89 bool m_hasViewportUnits = false;	85 bool m_hasViewportUnits = false;

90 UpdateType m_needsUpdate = CollectRules;	86 UpdateType m_needsUpdate = CollectRules;

91 };	87 };

92	88

93 } // namespace blink	89 } // namespace blink

94	90

95 #endif // ViewportStyleResolver_h	91 #endif // ViewportStyleResolver_h

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