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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 RootScrollerUtil_h | 5 #ifndef RootScrollerUtil_h |
| 6 #define RootScrollerUtil_h | 6 #define RootScrollerUtil_h |
| 7 | 7 |
| 8 namespace blink { | 8 namespace blink { |
| 9 | 9 |
| 10 class Element; | 10 class Element; |
| 11 class PaintLayer; |
| 11 class ScrollableArea; | 12 class ScrollableArea; |
| 12 | 13 |
| 13 namespace RootScrollerUtil { | 14 namespace RootScrollerUtil { |
| 14 | 15 |
| 15 ScrollableArea* scrollableAreaFor(const Element&); | 16 // Returns the ScrollableArea that's associated with the root scroller element. |
| 17 // For the <html> element this will be the FrameView or root |
| 18 // PaintLayerScrollableArea. |
| 19 ScrollableArea* scrollableAreaForRootScroller(const Element&); |
| 20 |
| 21 // Returns the PaintLayer that'll be used as the root scrolling layer. For the |
| 22 // <html> element, this returns the LayoutView's PaintLayer rather than |
| 23 // <html>'s since scrolling is handled by LayoutView. |
| 24 PaintLayer* paintLayerForRootScroller(const Element*); |
| 16 | 25 |
| 17 } // namespace RootScrollerUtil | 26 } // namespace RootScrollerUtil |
| 18 | 27 |
| 19 } // namespace blink | 28 } // namespace blink |
| 20 | 29 |
| 21 #endif // RootScrollerUtil_h | 30 #endif // RootScrollerUtil_h |
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Chromium Code Reviews
Issue 2499853002:
Fixed clip resize for document.rootScroller with inertTopControls (Closed)
