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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
reserved. | 2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 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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52 bool isContentRichlyEditable() const { return m_selection.isContentRichlyEdi
table(); } | 52 bool isContentRichlyEditable() const { return m_selection.isContentRichlyEdi
table(); } |
53 | 53 |
54 bool setSelectedRange(const EphemeralRange&, TextAffinity, SelectionDirectio
nalMode, FrameSelection::SetSelectionOptions); | 54 bool setSelectedRange(const EphemeralRange&, TextAffinity, SelectionDirectio
nalMode, FrameSelection::SetSelectionOptions); |
55 | 55 |
56 bool modify(EAlteration, SelectionDirection, TextGranularity, EUserTriggered
); | 56 bool modify(EAlteration, SelectionDirection, TextGranularity, EUserTriggered
); |
57 bool modify(EAlteration, unsigned verticalDistance, VerticalDirection, EUser
Triggered, CursorAlignOnScroll); | 57 bool modify(EAlteration, unsigned verticalDistance, VerticalDirection, EUser
Triggered, CursorAlignOnScroll); |
58 | 58 |
59 template <typename Strategy> | 59 template <typename Strategy> |
60 const VisibleSelectionTemplate<Strategy>& visibleSelection() const; | 60 const VisibleSelectionTemplate<Strategy>& visibleSelection() const; |
61 void setVisibleSelection(const VisibleSelection&, FrameSelection::SetSelecti
onOptions); | 61 void setVisibleSelection(const VisibleSelection&, FrameSelection::SetSelecti
onOptions); |
62 void setVisibleSelection(const VisibleSelectionInComposedTree&, FrameSelecti
on::SetSelectionOptions); | 62 void setVisibleSelection(const VisibleSelectionInFlatTree&, FrameSelection::
SetSelectionOptions); |
63 | 63 |
64 void setIsDirectional(bool); | 64 void setIsDirectional(bool); |
65 void setWithoutValidation(const Position& base, const Position& extent); | 65 void setWithoutValidation(const Position& base, const Position& extent); |
66 | 66 |
67 void resetXPosForVerticalArrowNavigation(); | 67 void resetXPosForVerticalArrowNavigation(); |
68 | 68 |
69 void willBeModified(EAlteration, SelectionDirection); | 69 void willBeModified(EAlteration, SelectionDirection); |
70 | 70 |
71 // If this FrameSelection has a logical range which is still valid, this | 71 // If this FrameSelection has a logical range which is still valid, this |
72 // function return its clone. Otherwise, the return value from underlying | 72 // function return its clone. Otherwise, the return value from underlying |
73 // |VisibleSelection|'s |firstRange()| is returned. | 73 // |VisibleSelection|'s |firstRange()| is returned. |
74 PassRefPtrWillBeRawPtr<Range> firstRange() const; | 74 PassRefPtrWillBeRawPtr<Range> firstRange() const; |
75 | 75 |
76 // VisibleSelectionChangeObserver interface. | 76 // VisibleSelectionChangeObserver interface. |
77 void didChangeVisibleSelection() override; | 77 void didChangeVisibleSelection() override; |
78 | 78 |
79 // Updates |m_selection| and |m_selectionInComposedTree| with up-to-date | 79 // Updates |m_selection| and |m_selectionInFlatTree| with up-to-date |
80 // layout if needed. | 80 // layout if needed. |
81 void updateIfNeeded(); | 81 void updateIfNeeded(); |
82 | 82 |
83 DECLARE_VIRTUAL_TRACE(); | 83 DECLARE_VIRTUAL_TRACE(); |
84 | 84 |
85 private: | 85 private: |
86 explicit SelectionEditor(FrameSelection&); | 86 explicit SelectionEditor(FrameSelection&); |
87 | 87 |
88 // TODO(yosin) We should use capitalized name for |EPositionType|. | 88 // TODO(yosin) We should use capitalized name for |EPositionType|. |
89 enum EPositionType { START, END, BASE, EXTENT }; // NOLINT | 89 enum EPositionType { START, END, BASE, EXTENT }; // NOLINT |
90 | 90 |
91 LocalFrame* frame() const; | 91 LocalFrame* frame() const; |
92 | 92 |
93 void adjustVisibleSelectionInComposedTree(); | 93 void adjustVisibleSelectionInFlatTree(); |
94 void adjustVisibleSelectionInDOMTree(); | 94 void adjustVisibleSelectionInDOMTree(); |
95 | 95 |
96 TextDirection directionOfEnclosingBlock(); | 96 TextDirection directionOfEnclosingBlock(); |
97 TextDirection directionOfSelection(); | 97 TextDirection directionOfSelection(); |
98 | 98 |
99 VisiblePosition positionForPlatform(bool isGetStart) const; | 99 VisiblePosition positionForPlatform(bool isGetStart) const; |
100 VisiblePosition startForPlatform() const; | 100 VisiblePosition startForPlatform() const; |
101 VisiblePosition endForPlatform() const; | 101 VisiblePosition endForPlatform() const; |
102 VisiblePosition nextWordPositionForPlatform(const VisiblePosition&); | 102 VisiblePosition nextWordPositionForPlatform(const VisiblePosition&); |
103 | 103 |
104 VisiblePosition modifyExtendingRight(TextGranularity); | 104 VisiblePosition modifyExtendingRight(TextGranularity); |
105 VisiblePosition modifyExtendingForward(TextGranularity); | 105 VisiblePosition modifyExtendingForward(TextGranularity); |
106 VisiblePosition modifyMovingRight(TextGranularity); | 106 VisiblePosition modifyMovingRight(TextGranularity); |
107 VisiblePosition modifyMovingForward(TextGranularity); | 107 VisiblePosition modifyMovingForward(TextGranularity); |
108 VisiblePosition modifyExtendingLeft(TextGranularity); | 108 VisiblePosition modifyExtendingLeft(TextGranularity); |
109 VisiblePosition modifyExtendingBackward(TextGranularity); | 109 VisiblePosition modifyExtendingBackward(TextGranularity); |
110 VisiblePosition modifyMovingLeft(TextGranularity); | 110 VisiblePosition modifyMovingLeft(TextGranularity); |
111 VisiblePosition modifyMovingBackward(TextGranularity); | 111 VisiblePosition modifyMovingBackward(TextGranularity); |
112 | 112 |
113 void startObservingVisibleSelectionChange(); | 113 void startObservingVisibleSelectionChange(); |
114 void stopObservingVisibleSelectionChangeIfNecessary(); | 114 void stopObservingVisibleSelectionChangeIfNecessary(); |
115 | 115 |
116 LayoutUnit lineDirectionPointForBlockDirectionNavigation(EPositionType); | 116 LayoutUnit lineDirectionPointForBlockDirectionNavigation(EPositionType); |
117 bool dispatchSelectStart(); | 117 bool dispatchSelectStart(); |
118 | 118 |
119 RawPtrWillBeMember<FrameSelection> m_frameSelection; | 119 RawPtrWillBeMember<FrameSelection> m_frameSelection; |
120 | 120 |
121 LayoutUnit m_xPosForVerticalArrowNavigation; | 121 LayoutUnit m_xPosForVerticalArrowNavigation; |
122 VisibleSelection m_selection; | 122 VisibleSelection m_selection; |
123 VisibleSelectionInComposedTree m_selectionInComposedTree; | 123 VisibleSelectionInFlatTree m_selectionInFlatTree; |
124 bool m_observingVisibleSelection; | 124 bool m_observingVisibleSelection; |
125 | 125 |
126 // The range specified by the user, which may not be visually canonicalized | 126 // The range specified by the user, which may not be visually canonicalized |
127 // (hence "logical"). This will be invalidated if the underlying | 127 // (hence "logical"). This will be invalidated if the underlying |
128 // |VisibleSelection| changes. If that happens, this variable will | 128 // |VisibleSelection| changes. If that happens, this variable will |
129 // become |nullptr|, in which case logical positions == visible positions. | 129 // become |nullptr|, in which case logical positions == visible positions. |
130 RefPtrWillBeMember<Range> m_logicalRange; | 130 RefPtrWillBeMember<Range> m_logicalRange; |
131 }; | 131 }; |
132 | 132 |
133 } // namespace blink | 133 } // namespace blink |
134 | 134 |
135 #endif // SelectionEditor_h | 135 #endif // SelectionEditor_h |
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