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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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52 | 52 |
53 class CORE_EXPORT ScrollingCoordinator final : public NoBaseWillBeGarbageCollect
edFinalized<ScrollingCoordinator> { | 53 class CORE_EXPORT ScrollingCoordinator final : public NoBaseWillBeGarbageCollect
edFinalized<ScrollingCoordinator> { |
54 WTF_MAKE_NONCOPYABLE(ScrollingCoordinator); | 54 WTF_MAKE_NONCOPYABLE(ScrollingCoordinator); |
55 USING_FAST_MALLOC_WILL_BE_REMOVED(ScrollingCoordinator); | 55 USING_FAST_MALLOC_WILL_BE_REMOVED(ScrollingCoordinator); |
56 public: | 56 public: |
57 static PassOwnPtrWillBeRawPtr<ScrollingCoordinator> create(Page*); | 57 static PassOwnPtrWillBeRawPtr<ScrollingCoordinator> create(Page*); |
58 | 58 |
59 ~ScrollingCoordinator(); | 59 ~ScrollingCoordinator(); |
60 DECLARE_TRACE(); | 60 DECLARE_TRACE(); |
61 | 61 |
| 62 void onSetMainFrame(); |
| 63 void willSwapMainFrame(); |
62 void willCloseLayerTreeView(); | 64 void willCloseLayerTreeView(); |
63 void willBeDestroyed(); | 65 void willBeDestroyed(); |
64 | 66 |
65 // Return whether this scrolling coordinator handles scrolling for the given
frame view. | 67 // Return whether this scrolling coordinator handles scrolling for the given
frame view. |
66 bool coordinatesScrollingForFrameView(FrameView*) const; | 68 bool coordinatesScrollingForFrameView(FrameView*) const; |
67 | 69 |
68 // Called when any frame has done its layout. | 70 // Called when any frame has done its layout. |
69 void notifyLayoutUpdated(); | 71 void notifyLayoutUpdated(); |
70 // Called when any frame recalculates its overflows after style change. | 72 // Called when any frame recalculates its overflows after style change. |
71 void notifyOverflowUpdated(); | 73 void notifyOverflowUpdated(); |
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166 ScrollbarMap m_verticalScrollbars; | 168 ScrollbarMap m_verticalScrollbars; |
167 HashSet<const PaintLayer*> m_layersWithTouchRects; | 169 HashSet<const PaintLayer*> m_layersWithTouchRects; |
168 bool m_wasFrameScrollable; | 170 bool m_wasFrameScrollable; |
169 | 171 |
170 MainThreadScrollingReasons m_lastMainThreadScrollingReasons; | 172 MainThreadScrollingReasons m_lastMainThreadScrollingReasons; |
171 }; | 173 }; |
172 | 174 |
173 } // namespace blink | 175 } // namespace blink |
174 | 176 |
175 #endif // ScrollingCoordinator_h | 177 #endif // ScrollingCoordinator_h |
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