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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 ViewportScrollCallback_h | 5 #ifndef ViewportScrollCallback_h |
6 #define ViewportScrollCallback_h | 6 #define ViewportScrollCallback_h |
7 | 7 |
8 #include "core/page/scrolling/ScrollStateCallback.h" | 8 #include "core/page/scrolling/ScrollStateCallback.h" |
9 #include "platform/heap/Handle.h" | 9 #include "platform/heap/Handle.h" |
10 #include "platform/scroll/ScrollTypes.h" | 10 #include "platform/scroll/ScrollTypes.h" |
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49 | 49 |
50 DECLARE_VIRTUAL_TRACE(); | 50 DECLARE_VIRTUAL_TRACE(); |
51 | 51 |
52 private: | 52 private: |
53 // ViewportScrollCallback does not assume ownership of TopControls or of | 53 // ViewportScrollCallback does not assume ownership of TopControls or of |
54 // OverscrollController. | 54 // OverscrollController. |
55 ViewportScrollCallback(TopControls*, | 55 ViewportScrollCallback(TopControls*, |
56 OverscrollController*, | 56 OverscrollController*, |
57 RootFrameViewport&); | 57 RootFrameViewport&); |
58 | 58 |
59 bool shouldScrollTopControls(const FloatSize&, ScrollGranularity) const; | 59 bool shouldScrollTopControls(const ScrollOffset&, ScrollGranularity) const; |
60 bool scrollTopControls(ScrollState&); | 60 bool scrollTopControls(ScrollState&); |
61 | 61 |
62 ScrollResult performNativeScroll(ScrollState&); | 62 ScrollResult performNativeScroll(ScrollState&); |
63 | 63 |
64 WeakMember<TopControls> m_topControls; | 64 WeakMember<TopControls> m_topControls; |
65 WeakMember<OverscrollController> m_overscrollController; | 65 WeakMember<OverscrollController> m_overscrollController; |
66 WeakMember<RootFrameViewport> m_rootFrameViewport; | 66 WeakMember<RootFrameViewport> m_rootFrameViewport; |
67 }; | 67 }; |
68 | 68 |
69 } // namespace blink | 69 } // namespace blink |
70 | 70 |
71 #endif // ViewportScrollCallback_h | 71 #endif // ViewportScrollCallback_h |
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