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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights | 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights |
4 * reserved. | 4 * reserved. |
5 * | 5 * |
6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
10 * | 10 * |
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31 | 31 |
32 namespace blink { | 32 namespace blink { |
33 | 33 |
34 PendingSelection::PendingSelection(FrameSelection& frameSelection) | 34 PendingSelection::PendingSelection(FrameSelection& frameSelection) |
35 : m_frameSelection(&frameSelection), m_hasPendingSelection(false) {} | 35 : m_frameSelection(&frameSelection), m_hasPendingSelection(false) {} |
36 | 36 |
37 const VisibleSelection& PendingSelection::visibleSelection() const { | 37 const VisibleSelection& PendingSelection::visibleSelection() const { |
38 return m_frameSelection->computeVisibleSelectionInDOMTree(); | 38 return m_frameSelection->computeVisibleSelectionInDOMTree(); |
39 } | 39 } |
40 | 40 |
41 static bool isSelectionInDocument( | |
42 const VisibleSelectionInFlatTree& visibleSelection, | |
43 const Document& document) { | |
44 const PositionInFlatTree& start = visibleSelection.start(); | |
45 if (start.isNotNull() && | |
46 (!start.isConnected() || start.document() != document)) | |
47 return false; | |
48 const PositionInFlatTree& end = visibleSelection.end(); | |
49 if (end.isNotNull() && (!end.isConnected() || end.document() != document)) | |
50 return false; | |
51 const PositionInFlatTree extent = visibleSelection.extent(); | |
52 if (extent.isNotNull() && | |
53 (!extent.isConnected() || extent.document() != document)) | |
54 return false; | |
55 return true; | |
56 } | |
57 | |
58 SelectionInFlatTree PendingSelection::calcVisibleSelection( | 41 SelectionInFlatTree PendingSelection::calcVisibleSelection( |
59 const VisibleSelectionInFlatTree& originalSelection) const { | 42 const VisibleSelectionInFlatTree& originalSelection) const { |
60 const PositionInFlatTree& start = originalSelection.start(); | 43 const PositionInFlatTree& start = originalSelection.start(); |
61 const PositionInFlatTree& end = originalSelection.end(); | 44 const PositionInFlatTree& end = originalSelection.end(); |
62 SelectionType selectionType = originalSelection.getSelectionType(); | 45 SelectionType selectionType = originalSelection.getSelectionType(); |
63 const TextAffinity affinity = originalSelection.affinity(); | 46 const TextAffinity affinity = originalSelection.affinity(); |
64 | 47 |
65 bool paintBlockCursor = | 48 bool paintBlockCursor = |
66 m_frameSelection->shouldShowBlockCursor() && | 49 m_frameSelection->shouldShowBlockCursor() && |
67 selectionType == SelectionType::CaretSelection && | 50 selectionType == SelectionType::CaretSelection && |
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119 if (!isSelectionInDocument(originalSelection, layoutView.document())) | 102 if (!isSelectionInDocument(originalSelection, layoutView.document())) |
120 return; | 103 return; |
121 | 104 |
122 // Construct a new VisibleSolution, since visibleSelection() is not | 105 // Construct a new VisibleSolution, since visibleSelection() is not |
123 // necessarily valid, and the following steps assume a valid selection. See | 106 // necessarily valid, and the following steps assume a valid selection. See |
124 // <https://bugs.webkit.org/show_bug.cgi?id=69563> and | 107 // <https://bugs.webkit.org/show_bug.cgi?id=69563> and |
125 // <rdar://problem/10232866>. | 108 // <rdar://problem/10232866>. |
126 const VisibleSelectionInFlatTree& selection = | 109 const VisibleSelectionInFlatTree& selection = |
127 createVisibleSelection(calcVisibleSelection(originalSelection)); | 110 createVisibleSelection(calcVisibleSelection(originalSelection)); |
128 | 111 |
129 if (!selection.isRange()) { | 112 const LocalFrame& frame = *layoutView.document().frame(); |
| 113 if (!selection.isRange() || !selectionHasFocus(frame)) { |
130 layoutView.clearSelection(); | 114 layoutView.clearSelection(); |
131 return; | 115 return; |
132 } | 116 } |
133 | 117 |
134 // Use the rightmost candidate for the start of the selection, and the | 118 // Use the rightmost candidate for the start of the selection, and the |
135 // leftmost candidate for the end of the selection. Example: foo <a>bar</a>. | 119 // leftmost candidate for the end of the selection. Example: foo <a>bar</a>. |
136 // Imagine that a line wrap occurs after 'foo', and that 'bar' is selected. | 120 // Imagine that a line wrap occurs after 'foo', and that 'bar' is selected. |
137 // If we pass [foo, 3] as the start of the selection, the selection painting | 121 // If we pass [foo, 3] as the start of the selection, the selection painting |
138 // code will think that content on the line containing 'foo' is selected | 122 // code will think that content on the line containing 'foo' is selected |
139 // and will fill the gap before 'bar'. | 123 // and will fill the gap before 'bar'. |
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161 DCHECK(layoutView == endLayoutObject->view()); | 145 DCHECK(layoutView == endLayoutObject->view()); |
162 layoutView.setSelection(startLayoutObject, startPos.computeEditingOffset(), | 146 layoutView.setSelection(startLayoutObject, startPos.computeEditingOffset(), |
163 endLayoutObject, endPos.computeEditingOffset()); | 147 endLayoutObject, endPos.computeEditingOffset()); |
164 } | 148 } |
165 | 149 |
166 DEFINE_TRACE(PendingSelection) { | 150 DEFINE_TRACE(PendingSelection) { |
167 visitor->trace(m_frameSelection); | 151 visitor->trace(m_frameSelection); |
168 } | 152 } |
169 | 153 |
170 } // namespace blink | 154 } // namespace blink |
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