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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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261 virtual int lineStep(ScrollbarOrientation) const; | 261 virtual int lineStep(ScrollbarOrientation) const; |
262 virtual int pageStep(ScrollbarOrientation) const; | 262 virtual int pageStep(ScrollbarOrientation) const; |
263 virtual int documentStep(ScrollbarOrientation) const; | 263 virtual int documentStep(ScrollbarOrientation) const; |
264 virtual float pixelStep(ScrollbarOrientation) const; | 264 virtual float pixelStep(ScrollbarOrientation) const; |
265 | 265 |
266 // Stores the paint invalidations for the scrollbars during layout. | 266 // Stores the paint invalidations for the scrollbars during layout. |
267 IntRect m_horizontalBarDamage; | 267 IntRect m_horizontalBarDamage; |
268 IntRect m_verticalBarDamage; | 268 IntRect m_verticalBarDamage; |
269 | 269 |
270 struct ScrollableAreaAnimators { | 270 struct ScrollableAreaAnimators { |
271 OwnPtr<ScrollAnimator> scrollAnimator; | 271 RefPtr<ScrollAnimator> scrollAnimator; |
272 OwnPtr<ProgrammaticScrollAnimator> programmaticScrollAnimator; | 272 OwnPtr<ProgrammaticScrollAnimator> programmaticScrollAnimator; |
273 }; | 273 }; |
274 | 274 |
275 mutable OwnPtr<ScrollableAreaAnimators> m_animators; | 275 mutable OwnPtr<ScrollableAreaAnimators> m_animators; |
276 unsigned m_constrainsScrollingToContentEdge : 1; | 276 unsigned m_constrainsScrollingToContentEdge : 1; |
277 | 277 |
278 unsigned m_inLiveResize : 1; | 278 unsigned m_inLiveResize : 1; |
279 | 279 |
280 unsigned m_verticalScrollElasticity : 2; // ScrollElasticity | 280 unsigned m_verticalScrollElasticity : 2; // ScrollElasticity |
281 unsigned m_horizontalScrollElasticity : 2; // ScrollElasticity | 281 unsigned m_horizontalScrollElasticity : 2; // ScrollElasticity |
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294 // vertical-lr / ltr NO NO | 294 // vertical-lr / ltr NO NO |
295 // vertical-lr / rtl NO YES | 295 // vertical-lr / rtl NO YES |
296 // vertical-rl / ltr YES NO | 296 // vertical-rl / ltr YES NO |
297 // vertical-rl / rtl YES YES | 297 // vertical-rl / rtl YES YES |
298 IntPoint m_scrollOrigin; | 298 IntPoint m_scrollOrigin; |
299 }; | 299 }; |
300 | 300 |
301 } // namespace blink | 301 } // namespace blink |
302 | 302 |
303 #endif // ScrollableArea_h | 303 #endif // ScrollableArea_h |
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