Source/core/timing/PerformanceTiming.h - Issue 1314843009: Add DocumentTiming metrics for "time to first text paint"

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Issue 1314843009: Add DocumentTiming metrics for "time to first text paint" (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 5 years, 3 months ago

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1 /*	1 /*

2 * Copyright (C) 2010 Google Inc. All rights reserved.	2 * Copyright (C) 2010 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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69 unsigned long long requestStart() const;	69 unsigned long long requestStart() const;

70 unsigned long long responseStart() const;	70 unsigned long long responseStart() const;

71 unsigned long long responseEnd() const;	71 unsigned long long responseEnd() const;

72 unsigned long long domLoading() const;	72 unsigned long long domLoading() const;

73 unsigned long long domInteractive() const;	73 unsigned long long domInteractive() const;

74 unsigned long long domContentLoadedEventStart() const;	74 unsigned long long domContentLoadedEventStart() const;

75 unsigned long long domContentLoadedEventEnd() const;	75 unsigned long long domContentLoadedEventEnd() const;

76 unsigned long long domComplete() const;	76 unsigned long long domComplete() const;

77 unsigned long long loadEventStart() const;	77 unsigned long long loadEventStart() const;

78 unsigned long long loadEventEnd() const;	78 unsigned long long loadEventEnd() const;

	79

	80 // The below are non-spec timings, for Page Load UMA metrics.

	81

	82 // The time the first document layout is performed.

79 unsigned long long firstLayout() const;	83 unsigned long long firstLayout() const;

	84 // The time the first paint operation for visible text was performed.

	85 unsigned long long firstNonBlankText() const;

	86 // Similar to firstNonBlankText, but only for text with custom fonts

	87 // (@font-face with url() source). This may not be recorded if no custom

	88 // font is used.

	89 unsigned long long firstCustomFontText() const;

80	90

81 ScriptValue toJSONForBinding(ScriptState*) const;	91 ScriptValue toJSONForBinding(ScriptState*) const;

82	92

83 DECLARE_VIRTUAL_TRACE();	93 DECLARE_VIRTUAL_TRACE();

84	94

85 unsigned long long monotonicTimeToIntegerMilliseconds(double) const;	95 unsigned long long monotonicTimeToIntegerMilliseconds(double) const;

86 double integerMillisecondsToMonotonicTime(unsigned long long) const;	96 double integerMillisecondsToMonotonicTime(unsigned long long) const;

87	97

88 private:	98 private:

89 explicit PerformanceTiming(LocalFrame*);	99 explicit PerformanceTiming(LocalFrame*);

90	100

91 const DocumentTiming* documentTiming() const;	101 const DocumentTiming* documentTiming() const;

92 DocumentLoader* documentLoader() const;	102 DocumentLoader* documentLoader() const;

93 DocumentLoadTiming* documentLoadTiming() const;	103 DocumentLoadTiming* documentLoadTiming() const;

94 ResourceLoadTiming* resourceLoadTiming() const;	104 ResourceLoadTiming* resourceLoadTiming() const;

95 };	105 };

96	106

97 } // namespace blink	107 } // namespace blink

98	108

99 #endif // PerformanceTiming_h	109 #endif // PerformanceTiming_h

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