third_party/WebKit/Source/core/paint/FirstMeaningfulPaintDetector.h - Issue 2755873002: Improve FirstMeaningfulPaintDetectorTest's timer tests

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Issue 2755873002: Improve FirstMeaningfulPaintDetectorTest's timer tests (Closed)

Patch Set: 0.001 -> 1 Created 3 years, 9 months ago

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1 // Copyright 2016 The Chromium Authors. All rights reserved.	1 // Copyright 2016 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 FirstMeaningfulPaintDetector_h	5 #ifndef FirstMeaningfulPaintDetector_h

6 #define FirstMeaningfulPaintDetector_h	6 #define FirstMeaningfulPaintDetector_h

7	7

8 #include "core/CoreExport.h"	8 #include "core/CoreExport.h"

9 #include "platform/Timer.h"	9 #include "platform/Timer.h"

10 #include "platform/heap/Handle.h"	10 #include "platform/heap/Handle.h"

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46 int contentsHeightAfterLayout,	46 int contentsHeightAfterLayout,

47 int visibleHeight);	47 int visibleHeight);

48 void notifyPaint();	48 void notifyPaint();

49 void checkNetworkStable();	49 void checkNetworkStable();

50	50

51 DECLARE_TRACE();	51 DECLARE_TRACE();

52	52

53 private:	53 private:

54 friend class FirstMeaningfulPaintDetectorTest;	54 friend class FirstMeaningfulPaintDetectorTest;

55	55

	56 // The page is n-quiet if there are no more than n active network requests for

	57 // this duration of time.

	58 static constexpr double kNetwork2QuietWindowSeconds = 3;

	59 static constexpr double kNetwork0QuietWindowSeconds = 0.5;

	60

56 Document* document();	61 Document* document();

57 int activeConnections();	62 int activeConnections();

58 void setNetworkQuietTimers(int activeConnections);	63 void setNetworkQuietTimers(int activeConnections);

59 void network0QuietTimerFired(TimerBase*);	64 void network0QuietTimerFired(TimerBase*);

60 void network2QuietTimerFired(TimerBase*);	65 void network2QuietTimerFired(TimerBase*);

61 void reportHistograms();	66 void reportHistograms();

62	67

63 bool m_nextPaintIsMeaningful = false;	68 bool m_nextPaintIsMeaningful = false;

64	69

65 Member<PaintTiming> m_paintTiming;	70 Member<PaintTiming> m_paintTiming;

66 double m_provisionalFirstMeaningfulPaint = 0.0;	71 double m_provisionalFirstMeaningfulPaint = 0.0;

67 double m_maxSignificanceSoFar = 0.0;	72 double m_maxSignificanceSoFar = 0.0;

68 double m_accumulatedSignificanceWhileHavingBlankText = 0.0;	73 double m_accumulatedSignificanceWhileHavingBlankText = 0.0;

69 unsigned m_prevLayoutObjectCount = 0;	74 unsigned m_prevLayoutObjectCount = 0;

70 bool m_seenFirstMeaningfulPaintCandidate = false;	75 bool m_seenFirstMeaningfulPaintCandidate = false;

71 bool m_network0QuietReached = false;	76 bool m_network0QuietReached = false;

72 bool m_network2QuietReached = false;	77 bool m_network2QuietReached = false;

73 double m_firstMeaningfulPaint0Quiet = 0.0;	78 double m_firstMeaningfulPaint0Quiet = 0.0;

74 double m_firstMeaningfulPaint2Quiet = 0.0;	79 double m_firstMeaningfulPaint2Quiet = 0.0;

75 TaskRunnerTimer<FirstMeaningfulPaintDetector> m_network0QuietTimer;	80 TaskRunnerTimer<FirstMeaningfulPaintDetector> m_network0QuietTimer;

76 TaskRunnerTimer<FirstMeaningfulPaintDetector> m_network2QuietTimer;	81 TaskRunnerTimer<FirstMeaningfulPaintDetector> m_network2QuietTimer;

77 };	82 };

78	83

79 } // namespace blink	84 } // namespace blink

80	85

81 #endif	86 #endif

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