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1 /* | 1 /* |
2 * Copyright (C) 2008, 2011 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008, 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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193 const IntPoint& parent_point) const { | 193 const IntPoint& parent_point) const { |
194 NOTREACHED(); | 194 NOTREACHED(); |
195 return parent_point; | 195 return parent_point; |
196 } | 196 } |
197 virtual IntPoint ConvertFromScrollbarToContainingFrameViewBase( | 197 virtual IntPoint ConvertFromScrollbarToContainingFrameViewBase( |
198 const Scrollbar& scrollbar, | 198 const Scrollbar& scrollbar, |
199 const IntPoint& scrollbar_point) const { | 199 const IntPoint& scrollbar_point) const { |
200 NOTREACHED(); | 200 NOTREACHED(); |
201 return scrollbar_point; | 201 return scrollbar_point; |
202 } | 202 } |
| 203 virtual IntPoint ConvertFromRootFrame( |
| 204 const IntPoint& point_in_root_frame) const { |
| 205 NOTREACHED(); |
| 206 return point_in_root_frame; |
| 207 } |
| 208 |
203 virtual Scrollbar* HorizontalScrollbar() const { return nullptr; } | 209 virtual Scrollbar* HorizontalScrollbar() const { return nullptr; } |
204 virtual Scrollbar* VerticalScrollbar() const { return nullptr; } | 210 virtual Scrollbar* VerticalScrollbar() const { return nullptr; } |
205 | 211 |
206 virtual PaintLayer* Layer() const { return nullptr; } | 212 virtual PaintLayer* Layer() const { return nullptr; } |
207 | 213 |
208 // scrollPosition is the location of the top/left of the scroll viewport in | 214 // scrollPosition is the location of the top/left of the scroll viewport in |
209 // the coordinate system defined by the top/left of the overflow rect. | 215 // the coordinate system defined by the top/left of the overflow rect. |
210 // scrollOffset is the offset of the scroll viewport from its position when | 216 // scrollOffset is the offset of the scroll viewport from its position when |
211 // scrolled all the way to the beginning of its content's flow. | 217 // scrolled all the way to the beginning of its content's flow. |
212 // For a more detailed explanation of scrollPosition, scrollOffset, and | 218 // For a more detailed explanation of scrollPosition, scrollOffset, and |
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450 // vertical-lr / ltr NO NO | 456 // vertical-lr / ltr NO NO |
451 // vertical-lr / rtl NO YES | 457 // vertical-lr / rtl NO YES |
452 // vertical-rl / ltr YES NO | 458 // vertical-rl / ltr YES NO |
453 // vertical-rl / rtl YES YES | 459 // vertical-rl / rtl YES YES |
454 IntPoint scroll_origin_; | 460 IntPoint scroll_origin_; |
455 }; | 461 }; |
456 | 462 |
457 } // namespace blink | 463 } // namespace blink |
458 | 464 |
459 #endif // ScrollableArea_h | 465 #endif // ScrollableArea_h |
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