third_party/WebKit/Source/core/css/RemoteFontFaceSource.h - Issue 2465643002: WebFonts intervention: understand if download time matches the decision

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Issue 2465643002: WebFonts intervention: understand if download time matches the decision (Closed)

Patch Set: Created 4 years, 1 month ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.	1 // Copyright 2014 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #ifndef RemoteFontFaceSource_h	5 #ifndef RemoteFontFaceSource_h

6 #define RemoteFontFaceSource_h	6 #define RemoteFontFaceSource_h

7	7

8 #include "core/css/CSSFontFaceSource.h"	8 #include "core/css/CSSFontFaceSource.h"

9 #include "core/fetch/FontResource.h"	9 #include "core/fetch/FontResource.h"

10 #include "wtf/Allocator.h"	10 #include "wtf/Allocator.h"

(...skipping 68 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
79 FontLoadHistograms(DataSource dataSource)	79 FontLoadHistograms(DataSource dataSource)

80 : m_loadStartTime(0),	80 : m_loadStartTime(0),

81 m_blankPaintTime(0),	81 m_blankPaintTime(0),

82 m_isLongLimitExceeded(false),	82 m_isLongLimitExceeded(false),

83 m_dataSource(dataSource) {}	83 m_dataSource(dataSource) {}

84 void loadStarted();	84 void loadStarted();

85 void fallbackFontPainted(DisplayPeriod);	85 void fallbackFontPainted(DisplayPeriod);

86 void fontLoaded(bool isInterventionTriggered);	86 void fontLoaded(bool isInterventionTriggered);

87 void longLimitExceeded(bool isInterventionTriggered);	87 void longLimitExceeded(bool isInterventionTriggered);

88 void recordFallbackTime(const FontResource*);	88 void recordFallbackTime(const FontResource*);

89 void recordRemoteFont(const FontResource*);	89 void recordRemoteFont(const FontResource*, bool isInterventionTriggered);

90 bool hadBlankText() { return m_blankPaintTime; }	90 bool hadBlankText() { return m_blankPaintTime; }

91 DataSource dataSource() { return m_dataSource; }	91 DataSource dataSource() { return m_dataSource; }

92 void maySetDataSource(DataSource);	92 void maySetDataSource(DataSource);

93	93

94 private:	94 private:

95 void recordLoadTimeHistogram(const FontResource*, int duration);	95 void recordLoadTimeHistogram(const FontResource*,

	96 int duration,

	97 bool isInterventionTriggered);

96 void recordInterventionResult(bool isTriggered);	98 void recordInterventionResult(bool isTriggered);

97 CacheHitMetrics dataSourceMetricsValue();	99 CacheHitMetrics dataSourceMetricsValue();

98 double m_loadStartTime;	100 double m_loadStartTime;

99 double m_blankPaintTime;	101 double m_blankPaintTime;

100 bool m_isLongLimitExceeded;	102 bool m_isLongLimitExceeded;

101 DataSource m_dataSource;	103 DataSource m_dataSource;

102 };	104 };

103	105

104 void switchToSwapPeriod();	106 void switchToSwapPeriod();

105 void switchToFailurePeriod();	107 void switchToFailurePeriod();

106 bool shouldTriggerWebFontsIntervention();	108 bool shouldTriggerWebFontsIntervention();

107	109

108 Member<FontResource> m_font;	110 Member<FontResource> m_font;

109 Member<CSSFontSelector> m_fontSelector;	111 Member<CSSFontSelector> m_fontSelector;

110 const FontDisplay m_display;	112 const FontDisplay m_display;

111 DisplayPeriod m_period;	113 DisplayPeriod m_period;

112 FontLoadHistograms m_histograms;	114 FontLoadHistograms m_histograms;

113 bool m_isInterventionTriggered;	115 bool m_isInterventionTriggered;

114 };	116 };

115	117

116 } // namespace blink	118 } // namespace blink

117	119

118 #endif	120 #endif

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