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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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276 virtual int lineStep(ScrollbarOrientation) const; | 276 virtual int lineStep(ScrollbarOrientation) const; |
277 virtual int pageStep(ScrollbarOrientation) const; | 277 virtual int pageStep(ScrollbarOrientation) const; |
278 virtual int documentStep(ScrollbarOrientation) const; | 278 virtual int documentStep(ScrollbarOrientation) const; |
279 virtual float pixelStep(ScrollbarOrientation) const; | 279 virtual float pixelStep(ScrollbarOrientation) const; |
280 | 280 |
281 // Stores the paint invalidations for the scrollbars during layout. | 281 // Stores the paint invalidations for the scrollbars during layout. |
282 IntRect m_horizontalBarDamage; | 282 IntRect m_horizontalBarDamage; |
283 IntRect m_verticalBarDamage; | 283 IntRect m_verticalBarDamage; |
284 | 284 |
285 struct ScrollableAreaAnimators { | 285 struct ScrollableAreaAnimators { |
286 OwnPtr<ScrollAnimator> scrollAnimator; | 286 RefPtr<ScrollAnimator> scrollAnimator; |
287 OwnPtr<ProgrammaticScrollAnimator> programmaticScrollAnimator; | 287 OwnPtr<ProgrammaticScrollAnimator> programmaticScrollAnimator; |
288 }; | 288 }; |
289 | 289 |
290 mutable OwnPtr<ScrollableAreaAnimators> m_animators; | 290 mutable OwnPtr<ScrollableAreaAnimators> m_animators; |
291 unsigned m_constrainsScrollingToContentEdge : 1; | 291 unsigned m_constrainsScrollingToContentEdge : 1; |
292 | 292 |
293 unsigned m_inLiveResize : 1; | 293 unsigned m_inLiveResize : 1; |
294 | 294 |
295 unsigned m_verticalScrollElasticity : 2; // ScrollElasticity | 295 unsigned m_verticalScrollElasticity : 2; // ScrollElasticity |
296 unsigned m_horizontalScrollElasticity : 2; // ScrollElasticity | 296 unsigned m_horizontalScrollElasticity : 2; // ScrollElasticity |
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309 // vertical-lr / ltr NO NO | 309 // vertical-lr / ltr NO NO |
310 // vertical-lr / rtl NO YES | 310 // vertical-lr / rtl NO YES |
311 // vertical-rl / ltr YES NO | 311 // vertical-rl / ltr YES NO |
312 // vertical-rl / rtl YES YES | 312 // vertical-rl / rtl YES YES |
313 IntPoint m_scrollOrigin; | 313 IntPoint m_scrollOrigin; |
314 }; | 314 }; |
315 | 315 |
316 } // namespace blink | 316 } // namespace blink |
317 | 317 |
318 #endif // ScrollableArea_h | 318 #endif // ScrollableArea_h |
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