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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* @fileoverview Objects used in spannables as annotations for ARIA values
* and selections.
*/
goog.provide('cvox.ValueSelectionSpan');
goog.provide('cvox.ValueSpan');
goog.require('cvox.Spannable');
/**
* Attached to the value region of a braille spannable.
* @param {number} offset The offset of the span into the value.
* @constructor
*/
cvox.ValueSpan = function(offset) {
/**
* The offset of the span into the value.
* @type {number}
*/
this.offset = offset;
};
/**
* Creates a value span from a json serializable object.
* @param {!Object} obj The json serializable object to convert.
* @return {!cvox.ValueSpan} The value span.
*/
cvox.ValueSpan.fromJson = function(obj) {
return new cvox.ValueSpan(obj.offset);
};
/**
* Converts this object to a json serializable object.
* @return {!Object} The JSON representation.
*/
cvox.ValueSpan.prototype.toJson = function() {
return this;
};
cvox.Spannable.registerSerializableSpan(
cvox.ValueSpan,
'cvox.ValueSpan',
cvox.ValueSpan.fromJson,
cvox.ValueSpan.prototype.toJson);
/**
* Attached to the selected text within a value.
* @constructor
*/
cvox.ValueSelectionSpan = function() {
};
cvox.Spannable.registerStatelessSerializableSpan(
cvox.ValueSelectionSpan,
'cvox.ValueSelectionSpan');
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