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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 ScrollAnchor_h | 5 #ifndef ScrollAnchor_h |
6 #define ScrollAnchor_h | 6 #define ScrollAnchor_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "platform/geometry/LayoutPoint.h" | 9 #include "platform/geometry/LayoutPoint.h" |
10 #include "platform/heap/Handle.h" | 10 #include "platform/heap/Handle.h" |
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114 | 114 |
115 // The anchor point that was used for the most recent non-zero adjustment. | 115 // The anchor point that was used for the most recent non-zero adjustment. |
116 AnchorPoint m_lastAdjusted; | 116 AnchorPoint m_lastAdjusted; |
117 | 117 |
118 // The size of the most recent non-zero adjustment. | 118 // The size of the most recent non-zero adjustment. |
119 IntSize m_lastAdjustment; | 119 IntSize m_lastAdjustment; |
120 | 120 |
121 // True iff the last adjustment was the exact opposite of the one before it. | 121 // True iff the last adjustment was the exact opposite of the one before it. |
122 // A bounce suggests a circular interaction with a scroll event handler. | 122 // A bounce suggests a circular interaction with a scroll event handler. |
123 bool m_hasBounced; | 123 bool m_hasBounced; |
| 124 |
| 125 // Number of adjustments made since the last clear(). |
| 126 int m_adjustmentCount; |
124 }; | 127 }; |
125 | 128 |
126 } // namespace blink | 129 } // namespace blink |
127 | 130 |
128 #endif // ScrollAnchor_h | 131 #endif // ScrollAnchor_h |
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