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| 1 /* | 1 /* |
| 2 * Copyright (C) 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2006, 2007, 2009, 2010, 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 34 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 45 NoAutoscroll, | 45 NoAutoscroll, |
| 46 AutoscrollForDragAndDrop, | 46 AutoscrollForDragAndDrop, |
| 47 AutoscrollForSelection, | 47 AutoscrollForSelection, |
| 48 #if OS(WIN) | 48 #if OS(WIN) |
| 49 AutoscrollForPanCanStop, | 49 AutoscrollForPanCanStop, |
| 50 AutoscrollForPan, | 50 AutoscrollForPan, |
| 51 #endif | 51 #endif |
| 52 }; | 52 }; |
| 53 | 53 |
| 54 // AutscrollController handels autoscroll and pan scroll for EventHandler. | 54 // AutscrollController handels autoscroll and pan scroll for EventHandler. |
| 55 class CORE_EXPORT AutoscrollController final : public NoBaseWillBeGarbageCollect
ed<AutoscrollController> { | 55 class CORE_EXPORT AutoscrollController final : public GarbageCollected<Autoscrol
lController> { |
| 56 USING_FAST_MALLOC_WILL_BE_REMOVED(AutoscrollController); | |
| 57 public: | 56 public: |
| 58 static PassOwnPtrWillBeRawPtr<AutoscrollController> create(Page&); | 57 static RawPtr<AutoscrollController> create(Page&); |
| 59 DECLARE_TRACE(); | 58 DECLARE_TRACE(); |
| 60 | 59 |
| 61 static const int noPanScrollRadius = 15; | 60 static const int noPanScrollRadius = 15; |
| 62 | 61 |
| 63 void animate(double monotonicFrameBeginTime); | 62 void animate(double monotonicFrameBeginTime); |
| 64 bool autoscrollInProgress() const; | 63 bool autoscrollInProgress() const; |
| 65 bool autoscrollInProgress(const LayoutBox*) const; | 64 bool autoscrollInProgress(const LayoutBox*) const; |
| 66 bool panScrollInProgress() const; | 65 bool panScrollInProgress() const; |
| 67 void startAutoscrollForSelection(LayoutObject*); | 66 void startAutoscrollForSelection(LayoutObject*); |
| 68 void stopAutoscroll(); | 67 void stopAutoscroll(); |
| 69 void stopAutoscrollIfNeeded(LayoutObject*); | 68 void stopAutoscrollIfNeeded(LayoutObject*); |
| 70 void updateAutoscrollLayoutObject(); | 69 void updateAutoscrollLayoutObject(); |
| 71 void updateDragAndDrop(Node* targetNode, const IntPoint& eventPosition, doub
le eventTime); | 70 void updateDragAndDrop(Node* targetNode, const IntPoint& eventPosition, doub
le eventTime); |
| 72 #if OS(WIN) | 71 #if OS(WIN) |
| 73 void handleMouseReleaseForPanScrolling(LocalFrame*, const PlatformMouseEvent
&); | 72 void handleMouseReleaseForPanScrolling(LocalFrame*, const PlatformMouseEvent
&); |
| 74 void startPanScrolling(LayoutBox*, const IntPoint&); | 73 void startPanScrolling(LayoutBox*, const IntPoint&); |
| 75 #endif | 74 #endif |
| 76 | 75 |
| 77 private: | 76 private: |
| 78 explicit AutoscrollController(Page&); | 77 explicit AutoscrollController(Page&); |
| 79 | 78 |
| 80 void startAutoscroll(); | 79 void startAutoscroll(); |
| 81 | 80 |
| 82 #if OS(WIN) | 81 #if OS(WIN) |
| 83 void updatePanScrollState(FrameView*, const IntPoint& lastKnownMousePosition
); | 82 void updatePanScrollState(FrameView*, const IntPoint& lastKnownMousePosition
); |
| 84 #endif | 83 #endif |
| 85 | 84 |
| 86 RawPtrWillBeMember<Page> m_page; | 85 Member<Page> m_page; |
| 87 LayoutBox* m_autoscrollLayoutObject; | 86 LayoutBox* m_autoscrollLayoutObject; |
| 88 LayoutBox* m_pressedLayoutObject; | 87 LayoutBox* m_pressedLayoutObject; |
| 89 AutoscrollType m_autoscrollType; | 88 AutoscrollType m_autoscrollType; |
| 90 IntPoint m_dragAndDropAutoscrollReferencePosition; | 89 IntPoint m_dragAndDropAutoscrollReferencePosition; |
| 91 double m_dragAndDropAutoscrollStartTime; | 90 double m_dragAndDropAutoscrollStartTime; |
| 92 #if OS(WIN) | 91 #if OS(WIN) |
| 93 IntPoint m_panScrollStartPos; | 92 IntPoint m_panScrollStartPos; |
| 94 #endif | 93 #endif |
| 95 }; | 94 }; |
| 96 | 95 |
| 97 } // namespace blink | 96 } // namespace blink |
| 98 | 97 |
| 99 #endif // AutoscrollController_h | 98 #endif // AutoscrollController_h |
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