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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 |
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29 #include "platform/geometry/IntPoint.h" | 29 #include "platform/geometry/IntPoint.h" |
30 #include "wtf/PassOwnPtr.h" | 30 #include "wtf/PassOwnPtr.h" |
31 | 31 |
32 namespace blink { | 32 namespace blink { |
33 | 33 |
34 class LocalFrame; | 34 class LocalFrame; |
35 class FrameView; | 35 class FrameView; |
36 class Node; | 36 class Node; |
37 class Page; | 37 class Page; |
38 class PlatformMouseEvent; | 38 class PlatformMouseEvent; |
39 class RenderBox; | 39 class LayoutBox; |
40 class LayoutObject; | 40 class LayoutObject; |
41 | 41 |
42 enum AutoscrollType { | 42 enum AutoscrollType { |
43 NoAutoscroll, | 43 NoAutoscroll, |
44 AutoscrollForDragAndDrop, | 44 AutoscrollForDragAndDrop, |
45 AutoscrollForSelection, | 45 AutoscrollForSelection, |
46 #if OS(WIN) | 46 #if OS(WIN) |
47 AutoscrollForPanCanStop, | 47 AutoscrollForPanCanStop, |
48 AutoscrollForPan, | 48 AutoscrollForPan, |
49 #endif | 49 #endif |
50 }; | 50 }; |
51 | 51 |
52 // AutscrollController handels autoscroll and pan scroll for EventHandler. | 52 // AutscrollController handels autoscroll and pan scroll for EventHandler. |
53 class AutoscrollController { | 53 class AutoscrollController { |
54 public: | 54 public: |
55 static PassOwnPtr<AutoscrollController> create(Page&); | 55 static PassOwnPtr<AutoscrollController> create(Page&); |
56 | 56 |
57 void animate(double monotonicFrameBeginTime); | 57 void animate(double monotonicFrameBeginTime); |
58 bool autoscrollInProgress() const; | 58 bool autoscrollInProgress() const; |
59 bool autoscrollInProgress(const RenderBox*) const; | 59 bool autoscrollInProgress(const LayoutBox*) const; |
60 bool panScrollInProgress() const; | 60 bool panScrollInProgress() const; |
61 void startAutoscrollForSelection(LayoutObject*); | 61 void startAutoscrollForSelection(LayoutObject*); |
62 void stopAutoscroll(); | 62 void stopAutoscroll(); |
63 void stopAutoscrollIfNeeded(LayoutObject*); | 63 void stopAutoscrollIfNeeded(LayoutObject*); |
64 void updateAutoscrollRenderer(); | 64 void updateAutoscrollRenderer(); |
65 void updateDragAndDrop(Node* targetNode, const IntPoint& eventPosition, doub
le eventTime); | 65 void updateDragAndDrop(Node* targetNode, const IntPoint& eventPosition, doub
le eventTime); |
66 #if OS(WIN) | 66 #if OS(WIN) |
67 void handleMouseReleaseForPanScrolling(LocalFrame*, const PlatformMouseEvent
&); | 67 void handleMouseReleaseForPanScrolling(LocalFrame*, const PlatformMouseEvent
&); |
68 void startPanScrolling(RenderBox*, const IntPoint&); | 68 void startPanScrolling(LayoutBox*, const IntPoint&); |
69 #endif | 69 #endif |
70 | 70 |
71 private: | 71 private: |
72 explicit AutoscrollController(Page&); | 72 explicit AutoscrollController(Page&); |
73 | 73 |
74 void startAutoscroll(); | 74 void startAutoscroll(); |
75 | 75 |
76 #if OS(WIN) | 76 #if OS(WIN) |
77 void updatePanScrollState(FrameView*, const IntPoint& lastKnownMousePosition
); | 77 void updatePanScrollState(FrameView*, const IntPoint& lastKnownMousePosition
); |
78 #endif | 78 #endif |
79 | 79 |
80 Page& m_page; | 80 Page& m_page; |
81 RenderBox* m_autoscrollRenderer; | 81 LayoutBox* m_autoscrollRenderer; |
82 AutoscrollType m_autoscrollType; | 82 AutoscrollType m_autoscrollType; |
83 IntPoint m_dragAndDropAutoscrollReferencePosition; | 83 IntPoint m_dragAndDropAutoscrollReferencePosition; |
84 double m_dragAndDropAutoscrollStartTime; | 84 double m_dragAndDropAutoscrollStartTime; |
85 #if OS(WIN) | 85 #if OS(WIN) |
86 IntPoint m_panScrollStartPos; | 86 IntPoint m_panScrollStartPos; |
87 #endif | 87 #endif |
88 }; | 88 }; |
89 | 89 |
90 } // namespace blink | 90 } // namespace blink |
91 | 91 |
92 #endif // AutoscrollController_h | 92 #endif // AutoscrollController_h |
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