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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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57 void networkStableTimerFired(TimerBase*); | 57 void networkStableTimerFired(TimerBase*); |
58 | 58 |
59 enum State { NextPaintIsNotMeaningful, NextPaintIsMeaningful, Reported }; | 59 enum State { NextPaintIsNotMeaningful, NextPaintIsMeaningful, Reported }; |
60 State m_state = NextPaintIsNotMeaningful; | 60 State m_state = NextPaintIsNotMeaningful; |
61 | 61 |
62 Member<PaintTiming> m_paintTiming; | 62 Member<PaintTiming> m_paintTiming; |
63 double m_provisionalFirstMeaningfulPaint = 0.0; | 63 double m_provisionalFirstMeaningfulPaint = 0.0; |
64 double m_maxSignificanceSoFar = 0.0; | 64 double m_maxSignificanceSoFar = 0.0; |
65 double m_accumulatedSignificanceWhileHavingBlankText = 0.0; | 65 double m_accumulatedSignificanceWhileHavingBlankText = 0.0; |
66 unsigned m_prevLayoutObjectCount = 0; | 66 unsigned m_prevLayoutObjectCount = 0; |
| 67 bool m_seenFirstMeaningfulPaintCandidate = false; |
67 Timer<FirstMeaningfulPaintDetector> m_networkStableTimer; | 68 Timer<FirstMeaningfulPaintDetector> m_networkStableTimer; |
68 }; | 69 }; |
69 | 70 |
70 } // namespace blink | 71 } // namespace blink |
71 | 72 |
72 #endif | 73 #endif |
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