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1 /* | 1 /* |
2 * Copyright (C) 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 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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87 } | 87 } |
88 | 88 |
89 ScrollingCoordinator::ScrollingCoordinator(Page* page) | 89 ScrollingCoordinator::ScrollingCoordinator(Page* page) |
90 : m_page(page) | 90 : m_page(page) |
91 , m_scrollGestureRegionIsDirty(false) | 91 , m_scrollGestureRegionIsDirty(false) |
92 , m_touchEventTargetRectsAreDirty(false) | 92 , m_touchEventTargetRectsAreDirty(false) |
93 , m_shouldScrollOnMainThreadDirty(false) | 93 , m_shouldScrollOnMainThreadDirty(false) |
94 , m_wasFrameScrollable(false) | 94 , m_wasFrameScrollable(false) |
95 , m_lastMainThreadScrollingReasons(0) | 95 , m_lastMainThreadScrollingReasons(0) |
96 { | 96 { |
97 createProgrammaticScrollAnimatorTimeline(); | |
98 } | 97 } |
99 | 98 |
100 ScrollingCoordinator::~ScrollingCoordinator() | 99 ScrollingCoordinator::~ScrollingCoordinator() |
101 { | 100 { |
102 ASSERT(!m_page); | 101 ASSERT(!m_page); |
103 } | 102 } |
104 | 103 |
105 DEFINE_TRACE(ScrollingCoordinator) | 104 DEFINE_TRACE(ScrollingCoordinator) |
106 { | 105 { |
107 visitor->trace(m_page); | 106 visitor->trace(m_page); |
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713 void ScrollingCoordinator::setShouldUpdateScrollLayerPositionOnMainThread(MainTh
readScrollingReasons reasons) | 712 void ScrollingCoordinator::setShouldUpdateScrollLayerPositionOnMainThread(MainTh
readScrollingReasons reasons) |
714 { | 713 { |
715 if (!m_page->mainFrame()->isLocalFrame() || !m_page->deprecatedLocalMainFram
e()->view()) | 714 if (!m_page->mainFrame()->isLocalFrame() || !m_page->deprecatedLocalMainFram
e()->view()) |
716 return; | 715 return; |
717 if (WebLayer* scrollLayer = toWebLayer(m_page->deprecatedLocalMainFrame()->v
iew()->layerForScrolling())) { | 716 if (WebLayer* scrollLayer = toWebLayer(m_page->deprecatedLocalMainFrame()->v
iew()->layerForScrolling())) { |
718 m_lastMainThreadScrollingReasons = reasons; | 717 m_lastMainThreadScrollingReasons = reasons; |
719 scrollLayer->setShouldScrollOnMainThread(reasons); | 718 scrollLayer->setShouldScrollOnMainThread(reasons); |
720 } | 719 } |
721 } | 720 } |
722 | 721 |
| 722 void ScrollingCoordinator::onSetMainFrame() |
| 723 { |
| 724 createProgrammaticScrollAnimatorTimeline(); |
| 725 } |
| 726 |
| 727 void ScrollingCoordinator::willSwapMainFrame() |
| 728 { |
| 729 destroyProgrammaticScrollAnimatorTimeline(); |
| 730 } |
| 731 |
723 void ScrollingCoordinator::willCloseLayerTreeView() | 732 void ScrollingCoordinator::willCloseLayerTreeView() |
724 { | 733 { |
725 destroyProgrammaticScrollAnimatorTimeline(); | 734 destroyProgrammaticScrollAnimatorTimeline(); |
726 } | 735 } |
727 | 736 |
728 void ScrollingCoordinator::willBeDestroyed() | 737 void ScrollingCoordinator::willBeDestroyed() |
729 { | 738 { |
730 ASSERT(m_page); | 739 ASSERT(m_page); |
731 | 740 |
732 destroyProgrammaticScrollAnimatorTimeline(); | 741 destroyProgrammaticScrollAnimatorTimeline(); |
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1091 { | 1100 { |
1092 if (m_programmaticScrollAnimatorTimeline) { | 1101 if (m_programmaticScrollAnimatorTimeline) { |
1093 ASSERT(m_page); | 1102 ASSERT(m_page); |
1094 ASSERT(m_page->mainFrame()->isLocalFrame()); | 1103 ASSERT(m_page->mainFrame()->isLocalFrame()); |
1095 m_page->chromeClient().detachCompositorAnimationTimeline(m_programmaticS
crollAnimatorTimeline.get(), toLocalFrame(m_page->mainFrame())); | 1104 m_page->chromeClient().detachCompositorAnimationTimeline(m_programmaticS
crollAnimatorTimeline.get(), toLocalFrame(m_page->mainFrame())); |
1096 m_programmaticScrollAnimatorTimeline.clear(); | 1105 m_programmaticScrollAnimatorTimeline.clear(); |
1097 } | 1106 } |
1098 } | 1107 } |
1099 | 1108 |
1100 } // namespace blink | 1109 } // namespace blink |
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