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1 /* | 1 /* |
2 * Copyright (C) 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2011 Apple 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 | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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98 m_lastMainThreadScrollingReasons(0) {} | 98 m_lastMainThreadScrollingReasons(0) {} |
99 | 99 |
100 ScrollingCoordinator::~ScrollingCoordinator() { | 100 ScrollingCoordinator::~ScrollingCoordinator() { |
101 DCHECK(!m_page); | 101 DCHECK(!m_page); |
102 } | 102 } |
103 | 103 |
104 DEFINE_TRACE(ScrollingCoordinator) { | 104 DEFINE_TRACE(ScrollingCoordinator) { |
105 visitor->trace(m_page); | 105 visitor->trace(m_page); |
106 visitor->trace(m_horizontalScrollbars); | 106 visitor->trace(m_horizontalScrollbars); |
107 visitor->trace(m_verticalScrollbars); | 107 visitor->trace(m_verticalScrollbars); |
| 108 visitor->trace(m_programmaticScrollCoordinator); |
108 } | 109 } |
109 | 110 |
110 void ScrollingCoordinator::setShouldHandleScrollGestureOnMainThreadRegion( | 111 void ScrollingCoordinator::setShouldHandleScrollGestureOnMainThreadRegion( |
111 const Region& region) { | 112 const Region& region) { |
112 if (!m_page->mainFrame()->isLocalFrame() || | 113 if (!m_page->mainFrame()->isLocalFrame() || |
113 !m_page->deprecatedLocalMainFrame()->view()) | 114 !m_page->deprecatedLocalMainFrame()->view()) |
114 return; | 115 return; |
115 if (WebLayer* scrollLayer = toWebLayer(m_page->deprecatedLocalMainFrame() | 116 if (WebLayer* scrollLayer = toWebLayer(m_page->deprecatedLocalMainFrame() |
116 ->view() | 117 ->view() |
117 ->layoutViewportScrollableArea() | 118 ->layoutViewportScrollableArea() |
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1187 if (WebLayer* scrollLayer = | 1188 if (WebLayer* scrollLayer = |
1188 frameView ? toWebLayer(frameView->layoutViewportScrollableArea() | 1189 frameView ? toWebLayer(frameView->layoutViewportScrollableArea() |
1189 ->layerForScrolling()) | 1190 ->layerForScrolling()) |
1190 : nullptr) { | 1191 : nullptr) { |
1191 return WebSize(frameView->layoutViewportScrollableArea()->contentsSize()) != | 1192 return WebSize(frameView->layoutViewportScrollableArea()->contentsSize()) != |
1192 scrollLayer->bounds(); | 1193 scrollLayer->bounds(); |
1193 } | 1194 } |
1194 return false; | 1195 return false; |
1195 } | 1196 } |
1196 | 1197 |
| 1198 ProgrammaticScrollCoordinator* |
| 1199 ScrollingCoordinator::programmaticScrollCoordinator() { |
| 1200 if (!m_programmaticScrollCoordinator) { |
| 1201 m_programmaticScrollCoordinator = ProgrammaticScrollCoordinator::create(); |
| 1202 } |
| 1203 |
| 1204 return m_programmaticScrollCoordinator.get(); |
| 1205 } |
| 1206 |
1197 } // namespace blink | 1207 } // namespace blink |
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