third_party/WebKit/Source/core/css/RemoteFontFaceSource.h - Issue 2443883003: WebFonts intervention: understand if download time matches the decision

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Issue 2443883003: WebFonts intervention: understand if download time matches the decision (Closed)

Patch Set: remove TODO 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"

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

83 m_dataSource(dataSource),	83 m_dataSource(dataSource),

84 m_fontDisplay(fontDisplay) {}	84 m_fontDisplay(fontDisplay) {}

85 void loadStarted();	85 void loadStarted();

86 void fallbackFontPainted(DisplayPeriod);	86 void fallbackFontPainted(DisplayPeriod);

87 void fontLoaded(bool isCorsFailed,	87 void fontLoaded(bool isCorsFailed,

88 bool loadError,	88 bool loadError,

89 bool isInterventionTriggered);	89 bool isInterventionTriggered);

90 void longLimitExceeded(bool isInterventionTriggered);	90 void longLimitExceeded(bool isInterventionTriggered);

91 void recordFallbackTime(const FontResource*);	91 void recordFallbackTime(const FontResource*);

92 void recordRemoteFont(const FontResource*);	92 void recordRemoteFont(const FontResource*, bool isInterventionTriggered);

93 bool hadBlankText() { return m_blankPaintTime; }	93 bool hadBlankText() { return m_blankPaintTime; }

94 DataSource dataSource() { return m_dataSource; }	94 DataSource dataSource() { return m_dataSource; }

95 void maySetDataSource(DataSource);	95 void maySetDataSource(DataSource);

96	96

97 private:	97 private:

98 void recordLoadTimeHistogram(const FontResource*, int duration);	98 void recordLoadTimeHistogram(const FontResource*,

	99 int duration,

	100 bool isInterventionTriggered);

99 void recordInterventionResult(bool isTriggered);	101 void recordInterventionResult(bool isTriggered);

100 CacheHitMetrics dataSourceMetricsValue();	102 CacheHitMetrics dataSourceMetricsValue();

101 double m_loadStartTime;	103 double m_loadStartTime;

102 double m_blankPaintTime;	104 double m_blankPaintTime;

103 bool m_isLongLimitExceeded;	105 bool m_isLongLimitExceeded;

104 DataSource m_dataSource;	106 DataSource m_dataSource;

105 FontDisplay m_fontDisplay;	107 FontDisplay m_fontDisplay;

106 };	108 };

107	109

108 void switchToSwapPeriod();	110 void switchToSwapPeriod();

109 void switchToFailurePeriod();	111 void switchToFailurePeriod();

110 bool shouldTriggerWebFontsIntervention();	112 bool shouldTriggerWebFontsIntervention();

111	113

112 Member<FontResource> m_font;	114 Member<FontResource> m_font;

113 Member<CSSFontSelector> m_fontSelector;	115 Member<CSSFontSelector> m_fontSelector;

114 const FontDisplay m_display;	116 const FontDisplay m_display;

115 DisplayPeriod m_period;	117 DisplayPeriod m_period;

116 FontLoadHistograms m_histograms;	118 FontLoadHistograms m_histograms;

117 bool m_isInterventionTriggered;	119 bool m_isInterventionTriggered;

118 };	120 };

119	121

120 } // namespace blink	122 } // namespace blink

121	123

122 #endif	124 #endif

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