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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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275 virtual int lineStep(ScrollbarOrientation) const; | 275 virtual int lineStep(ScrollbarOrientation) const; |
276 virtual int pageStep(ScrollbarOrientation) const; | 276 virtual int pageStep(ScrollbarOrientation) const; |
277 virtual int documentStep(ScrollbarOrientation) const; | 277 virtual int documentStep(ScrollbarOrientation) const; |
278 virtual float pixelStep(ScrollbarOrientation) const; | 278 virtual float pixelStep(ScrollbarOrientation) const; |
279 | 279 |
280 // Stores the paint invalidations for the scrollbars during layout. | 280 // Stores the paint invalidations for the scrollbars during layout. |
281 IntRect m_horizontalBarDamage; | 281 IntRect m_horizontalBarDamage; |
282 IntRect m_verticalBarDamage; | 282 IntRect m_verticalBarDamage; |
283 | 283 |
284 struct ScrollableAreaAnimators { | 284 struct ScrollableAreaAnimators { |
285 OwnPtr<ScrollAnimator> scrollAnimator; | 285 RefPtr<ScrollAnimator> scrollAnimator; |
286 OwnPtr<ProgrammaticScrollAnimator> programmaticScrollAnimator; | 286 OwnPtr<ProgrammaticScrollAnimator> programmaticScrollAnimator; |
287 }; | 287 }; |
288 | 288 |
289 mutable OwnPtr<ScrollableAreaAnimators> m_animators; | 289 mutable OwnPtr<ScrollableAreaAnimators> m_animators; |
290 unsigned m_constrainsScrollingToContentEdge : 1; | 290 unsigned m_constrainsScrollingToContentEdge : 1; |
291 | 291 |
292 unsigned m_inLiveResize : 1; | 292 unsigned m_inLiveResize : 1; |
293 | 293 |
294 unsigned m_verticalScrollElasticity : 2; // ScrollElasticity | 294 unsigned m_verticalScrollElasticity : 2; // ScrollElasticity |
295 unsigned m_horizontalScrollElasticity : 2; // ScrollElasticity | 295 unsigned m_horizontalScrollElasticity : 2; // ScrollElasticity |
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308 // vertical-lr / ltr NO NO | 308 // vertical-lr / ltr NO NO |
309 // vertical-lr / rtl NO YES | 309 // vertical-lr / rtl NO YES |
310 // vertical-rl / ltr YES NO | 310 // vertical-rl / ltr YES NO |
311 // vertical-rl / rtl YES YES | 311 // vertical-rl / rtl YES YES |
312 IntPoint m_scrollOrigin; | 312 IntPoint m_scrollOrigin; |
313 }; | 313 }; |
314 | 314 |
315 } // namespace blink | 315 } // namespace blink |
316 | 316 |
317 #endif // ScrollableArea_h | 317 #endif // ScrollableArea_h |
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