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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 /** | 5 /** |
6 * @fileoverview Classes related to cursors that point to and select parts of | 6 * @fileoverview Classes related to cursors that point to and select parts of |
7 * the automation tree. | 7 * the automation tree. |
8 */ | 8 */ |
9 | 9 |
10 goog.provide('cursors.Cursor'); | 10 goog.provide('cursors.Cursor'); |
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133 | 133 |
134 /** | 134 /** |
135 * A node appropriate for making selections. | 135 * A node appropriate for making selections. |
136 * @return {AutomationNode} | 136 * @return {AutomationNode} |
137 * @private | 137 * @private |
138 */ | 138 */ |
139 get selectionNode_() { | 139 get selectionNode_() { |
140 if (!this.node) | 140 if (!this.node) |
141 return null; | 141 return null; |
142 | 142 |
143 if (this.node.role == RoleType.inlineTextBox) | 143 if (this.node.role == RoleType.inlineTextBox || |
| 144 this.index_ == cursors.NODE_INDEX) |
144 return this.node.parent; | 145 return this.node.parent; |
145 | 146 |
146 return this.node; | 147 return this.node; |
147 }, | 148 }, |
148 | 149 |
149 /** | 150 /** |
150 * An index appropriate for making selections. If this cursor has a | 151 * An index appropriate for making selections. If this cursor has a |
151 * cursors.NODE_INDEX index, the selection index is a node offset e.g. the | 152 * cursors.NODE_INDEX index, the selection index is a node offset e.g. the |
152 * index in parent. If not, the index is a character offset. | 153 * index in parent. If not, the index is a character offset. |
153 * @return {number} | 154 * @return {number} |
154 * @private | 155 * @private |
155 */ | 156 */ |
156 get selectionIndex_() { | 157 get selectionIndex_() { |
157 var adjustedIndex = this.index_; | 158 var adjustedIndex = this.index_; |
158 if (this.node.role == RoleType.inlineTextBox) { | 159 if (this.node.role == RoleType.inlineTextBox) { |
159 if (adjustedIndex == cursors.NODE_INDEX) | 160 if (adjustedIndex == cursors.NODE_INDEX) |
160 adjustedIndex = 0; | 161 adjustedIndex = 0; |
161 | 162 |
162 var sibling = this.node.previousSibling; | 163 var sibling = this.node.previousSibling; |
163 while (sibling) { | 164 while (sibling) { |
164 adjustedIndex += sibling.name.length; | 165 adjustedIndex += sibling.name.length; |
165 sibling = sibling.previousSibling; | 166 sibling = sibling.previousSibling; |
166 } | 167 } |
167 } else if (this.index_ == cursors.NODE_INDEX) { | 168 } else if (this.index_ == cursors.NODE_INDEX) { |
168 // Indicies of this kind are buggy. Set it to 0 (different than the DOM | 169 adjustedIndex = this.node.indexInParent + 1; |
169 // index in parent convention). | |
170 adjustedIndex = 0; | |
171 } | 170 } |
172 return adjustedIndex; | 171 return adjustedIndex; |
173 }, | 172 }, |
174 | 173 |
175 /** | 174 /** |
176 * Gets the accessible text of the node associated with this cursor. | 175 * Gets the accessible text of the node associated with this cursor. |
177 * | 176 * |
178 * @param {!AutomationNode=} opt_node Use this node rather than this cursor's | 177 * @param {!AutomationNode=} opt_node Use this node rather than this cursor's |
179 * node. | 178 * node. |
180 * @return {string} | 179 * @return {string} |
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605 /** | 604 /** |
606 * Returns whether this range has valid start and end cursors. | 605 * Returns whether this range has valid start and end cursors. |
607 * @return {boolean} | 606 * @return {boolean} |
608 */ | 607 */ |
609 isValid: function() { | 608 isValid: function() { |
610 return this.start.isValid() && this.end.isValid(); | 609 return this.start.isValid() && this.end.isValid(); |
611 } | 610 } |
612 }; | 611 }; |
613 | 612 |
614 }); // goog.scope | 613 }); // goog.scope |
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