OLD | NEW |
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 |
(...skipping 110 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
121 ScrollAnimatorBase& scrollAnimator() const; | 121 ScrollAnimatorBase& scrollAnimator() const; |
122 | 122 |
123 // This getter will return null if the ScrollAnimatorBase hasn't been create
d yet. | 123 // This getter will return null if the ScrollAnimatorBase hasn't been create
d yet. |
124 ScrollAnimatorBase* existingScrollAnimator() const { return m_scrollAnimator
; } | 124 ScrollAnimatorBase* existingScrollAnimator() const { return m_scrollAnimator
; } |
125 | 125 |
126 ProgrammaticScrollAnimator& programmaticScrollAnimator() const; | 126 ProgrammaticScrollAnimator& programmaticScrollAnimator() const; |
127 ProgrammaticScrollAnimator* existingProgrammaticScrollAnimator() const { ret
urn m_programmaticScrollAnimator; } | 127 ProgrammaticScrollAnimator* existingProgrammaticScrollAnimator() const { ret
urn m_programmaticScrollAnimator; } |
128 | 128 |
129 virtual CompositorAnimationTimeline* compositorAnimationTimeline() const { r
eturn nullptr; } | 129 virtual CompositorAnimationTimeline* compositorAnimationTimeline() const { r
eturn nullptr; } |
130 | 130 |
| 131 // See Source/core/layout/README.md for an explanation of scroll origin. |
131 const IntPoint& scrollOrigin() const { return m_scrollOrigin; } | 132 const IntPoint& scrollOrigin() const { return m_scrollOrigin; } |
132 bool scrollOriginChanged() const { return m_scrollOriginChanged; } | 133 bool scrollOriginChanged() const { return m_scrollOriginChanged; } |
133 | 134 |
134 | 135 |
135 // This is used to determine whether the incoming fractional scroll offset s
hould | 136 // This is used to determine whether the incoming fractional scroll offset s
hould |
136 // be truncated to integer. Current rule is that if preferCompositingToLCDTe
xtEnabled() | 137 // be truncated to integer. Current rule is that if preferCompositingToLCDTe
xtEnabled() |
137 // is disabled (which is true on low-dpi device by default) we should do the
truncation. | 138 // is disabled (which is true on low-dpi device by default) we should do the
truncation. |
138 // The justification is that non-composited elements using fractional scroll
offsets | 139 // The justification is that non-composited elements using fractional scroll
offsets |
139 // is causing too much nasty bugs but does not add too benefit on low-dpi de
vices. | 140 // is causing too much nasty bugs but does not add too benefit on low-dpi de
vices. |
140 virtual bool shouldUseIntegerScrollOffset() const { return !RuntimeEnabledFe
atures::fractionalScrollOffsetsEnabled(); } | 141 virtual bool shouldUseIntegerScrollOffset() const { return !RuntimeEnabledFe
atures::fractionalScrollOffsetsEnabled(); } |
(...skipping 195 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
336 // vertical-lr / ltr NO NO | 337 // vertical-lr / ltr NO NO |
337 // vertical-lr / rtl NO YES | 338 // vertical-lr / rtl NO YES |
338 // vertical-rl / ltr YES NO | 339 // vertical-rl / ltr YES NO |
339 // vertical-rl / rtl YES YES | 340 // vertical-rl / rtl YES YES |
340 IntPoint m_scrollOrigin; | 341 IntPoint m_scrollOrigin; |
341 }; | 342 }; |
342 | 343 |
343 } // namespace blink | 344 } // namespace blink |
344 | 345 |
345 #endif // ScrollableArea_h | 346 #endif // ScrollableArea_h |
OLD | NEW |