third_party/WebKit/Source/core/paint/FirstMeaningfulPaintDetector.h - Issue 2883273003: Move the user interaction policy for FirstMeaningfulPaint UMA into renderer

Side by Side Diff: third_party/WebKit/Source/core/paint/FirstMeaningfulPaintDetector.h

Issue 2883273003: Move the user interaction policy for FirstMeaningfulPaint UMA into renderer (Closed)

Patch Set: rebase Created 3 years, 5 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

« no previous file with comments | « chrome/browser/page_load_metrics/observers/core_page_load_metrics_observer_unittest.cc ('k') | third_party/WebKit/Source/core/paint/FirstMeaningfulPaintDetector.cpp » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Hide Comments ('s')

OLD	NEW
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"

(...skipping 27 matching lines...) Expand all Loading...
38	38

39 static FirstMeaningfulPaintDetector& From(Document&);	39 static FirstMeaningfulPaintDetector& From(Document&);

40	40

41 FirstMeaningfulPaintDetector(PaintTiming*, Document&);	41 FirstMeaningfulPaintDetector(PaintTiming*, Document&);

42 virtual ~FirstMeaningfulPaintDetector() {}	42 virtual ~FirstMeaningfulPaintDetector() {}

43	43

44 void MarkNextPaintAsMeaningfulIfNeeded(const LayoutObjectCounter&,	44 void MarkNextPaintAsMeaningfulIfNeeded(const LayoutObjectCounter&,

45 int contents_height_before_layout,	45 int contents_height_before_layout,

46 int contents_height_after_layout,	46 int contents_height_after_layout,

47 int visible_height);	47 int visible_height);

	48 void NotifyInputEvent();

48 void NotifyPaint();	49 void NotifyPaint();

49 void CheckNetworkStable();	50 void CheckNetworkStable();

50	51

51 DECLARE_TRACE();	52 DECLARE_TRACE();

52	53

	54 enum HadUserInput { kNoUserInput, kHadUserInput, kHadUserInputEnumMax };

	55

53 private:	56 private:

54 friend class FirstMeaningfulPaintDetectorTest;	57 friend class FirstMeaningfulPaintDetectorTest;

55	58

56 // The page is n-quiet if there are no more than n active network requests for	59 // The page is n-quiet if there are no more than n active network requests for

57 // this duration of time.	60 // this duration of time.

58 static constexpr double kNetwork2QuietWindowSeconds = 0.5;	61 static constexpr double kNetwork2QuietWindowSeconds = 0.5;

59 static constexpr double kNetwork0QuietWindowSeconds = 0.5;	62 static constexpr double kNetwork0QuietWindowSeconds = 0.5;

60	63

61 Document* GetDocument();	64 Document* GetDocument();

62 int ActiveConnections();	65 int ActiveConnections();

63 void SetNetworkQuietTimers(int active_connections);	66 void SetNetworkQuietTimers(int active_connections);

64 void Network0QuietTimerFired(TimerBase*);	67 void Network0QuietTimerFired(TimerBase*);

65 void Network2QuietTimerFired(TimerBase*);	68 void Network2QuietTimerFired(TimerBase*);

66 void ReportHistograms();	69 void ReportHistograms();

67	70

68 bool next_paint_is_meaningful_ = false;	71 bool next_paint_is_meaningful_ = false;

	72 HadUserInput had_user_input_ = kNoUserInput;

	73 HadUserInput had_user_input_before_provisional_first_meaningful_paint_ =

	74 kNoUserInput;

69	75

70 Member<PaintTiming> paint_timing_;	76 Member<PaintTiming> paint_timing_;

71 double provisional_first_meaningful_paint_ = 0.0;	77 double provisional_first_meaningful_paint_ = 0.0;

72 double max_significance_so_far_ = 0.0;	78 double max_significance_so_far_ = 0.0;

73 double accumulated_significance_while_having_blank_text_ = 0.0;	79 double accumulated_significance_while_having_blank_text_ = 0.0;

74 unsigned prev_layout_object_count_ = 0;	80 unsigned prev_layout_object_count_ = 0;

75 bool seen_first_meaningful_paint_candidate_ = false;	81 bool seen_first_meaningful_paint_candidate_ = false;

76 bool network0_quiet_reached_ = false;	82 bool network0_quiet_reached_ = false;

77 bool network2_quiet_reached_ = false;	83 bool network2_quiet_reached_ = false;

78 double first_meaningful_paint0_quiet_ = 0.0;	84 double first_meaningful_paint0_quiet_ = 0.0;

79 double first_meaningful_paint2_quiet_ = 0.0;	85 double first_meaningful_paint2_quiet_ = 0.0;

80 TaskRunnerTimer<FirstMeaningfulPaintDetector> network0_quiet_timer_;	86 TaskRunnerTimer<FirstMeaningfulPaintDetector> network0_quiet_timer_;

81 TaskRunnerTimer<FirstMeaningfulPaintDetector> network2_quiet_timer_;	87 TaskRunnerTimer<FirstMeaningfulPaintDetector> network2_quiet_timer_;

82 };	88 };

83	89

84 } // namespace blink	90 } // namespace blink

85	91

86 #endif	92 #endif

OLD	NEW