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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 A simple container object for the brailling of a | 6 * @fileoverview A simple container object for the brailling of a |
| 7 * navigation from one object to another. | 7 * navigation from one object to another. |
| 8 * | 8 * |
| 9 */ | 9 */ |
| 10 | 10 |
| (...skipping 12 matching lines...) Expand all Loading... |
| 23 * titles, labels, etc. | 23 * titles, labels, etc. |
| 24 * startIndex The beginning of a selection within text. | 24 * startIndex The beginning of a selection within text. |
| 25 * endIndex The end of a selection within text. | 25 * endIndex The end of a selection within text. |
| 26 * @constructor | 26 * @constructor |
| 27 */ | 27 */ |
| 28 cvox.NavBraille = function(kwargs) { | 28 cvox.NavBraille = function(kwargs) { |
| 29 /** | 29 /** |
| 30 * Text, annotated with DOM nodes. | 30 * Text, annotated with DOM nodes. |
| 31 * @type {!Spannable} | 31 * @type {!Spannable} |
| 32 */ | 32 */ |
| 33 this.text = (kwargs.text instanceof Spannable) ? | 33 this.text = (kwargs.text instanceof Spannable) ? kwargs.text : |
| 34 kwargs.text : new Spannable(kwargs.text); | 34 new Spannable(kwargs.text); |
| 35 | 35 |
| 36 /** | 36 /** |
| 37 * Selection start index. | 37 * Selection start index. |
| 38 * @type {number} | 38 * @type {number} |
| 39 */ | 39 */ |
| 40 this.startIndex = goog.isDef(kwargs.startIndex) ? kwargs.startIndex : -1; | 40 this.startIndex = goog.isDef(kwargs.startIndex) ? kwargs.startIndex : -1; |
| 41 | 41 |
| 42 /** | 42 /** |
| 43 * Selection end index. | 43 * Selection end index. |
| 44 * @type {number} | 44 * @type {number} |
| 45 */ | 45 */ |
| 46 this.endIndex = goog.isDef(kwargs.endIndex) ? | 46 this.endIndex = |
| 47 kwargs.endIndex : this.startIndex; | 47 goog.isDef(kwargs.endIndex) ? kwargs.endIndex : this.startIndex; |
| 48 }; | 48 }; |
| 49 | 49 |
| 50 /** | 50 /** |
| 51 * Convenience for creating simple braille output. | 51 * Convenience for creating simple braille output. |
| 52 * @param {string|!Spannable} text Text to represent in braille. | 52 * @param {string|!Spannable} text Text to represent in braille. |
| 53 * @return {!cvox.NavBraille} Braille output without a cursor. | 53 * @return {!cvox.NavBraille} Braille output without a cursor. |
| 54 */ | 54 */ |
| 55 cvox.NavBraille.fromText = function(text) { | 55 cvox.NavBraille.fromText = function(text) { |
| 56 return new cvox.NavBraille({'text': text}); | 56 return new cvox.NavBraille({'text': text}); |
| 57 }; | 57 }; |
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| 82 cvox.NavBraille.prototype.isEmpty = function() { | 82 cvox.NavBraille.prototype.isEmpty = function() { |
| 83 return this.text.length == 0; | 83 return this.text.length == 0; |
| 84 }; | 84 }; |
| 85 | 85 |
| 86 | 86 |
| 87 /** | 87 /** |
| 88 * @return {string} A string representation of this object. | 88 * @return {string} A string representation of this object. |
| 89 */ | 89 */ |
| 90 cvox.NavBraille.prototype.toString = function() { | 90 cvox.NavBraille.prototype.toString = function() { |
| 91 return 'NavBraille(text="' + this.text.toString() + '" ' + | 91 return 'NavBraille(text="' + this.text.toString() + '" ' + |
| 92 ' startIndex="' + this.startIndex + '" ' + | 92 ' startIndex="' + this.startIndex + '" ' + |
| 93 ' endIndex="' + this.endIndex + '")'; | 93 ' endIndex="' + this.endIndex + '")'; |
| 94 }; | 94 }; |
| 95 | 95 |
| 96 | 96 |
| 97 /** | 97 /** |
| 98 * Returns a plain old data object with the same data. | 98 * Returns a plain old data object with the same data. |
| 99 * Suitable for JSON encoding. | 99 * Suitable for JSON encoding. |
| 100 * | 100 * |
| 101 * @return {{spannable: Object, | 101 * @return {{spannable: Object, |
| 102 * startIndex: number, | 102 * startIndex: number, |
| 103 * endIndex: number}} JSON equivalent. | 103 * endIndex: number}} JSON equivalent. |
| 104 */ | 104 */ |
| 105 cvox.NavBraille.prototype.toJson = function() { | 105 cvox.NavBraille.prototype.toJson = function() { |
| 106 return { | 106 return { |
| 107 spannable: this.text.toJson(), | 107 spannable: this.text.toJson(), |
| 108 startIndex: this.startIndex, | 108 startIndex: this.startIndex, |
| 109 endIndex: this.endIndex | 109 endIndex: this.endIndex |
| 110 }; | 110 }; |
| 111 }; | 111 }; |
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