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// Copyright 2008 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview Generator for unique element IDs.
*
*/
goog.provide('goog.ui.IdGenerator');
/**
* Creates a new id generator.
* @constructor
* @final
*/
goog.ui.IdGenerator = function() {};
goog.addSingletonGetter(goog.ui.IdGenerator);
/**
* Next unique ID to use
* @type {number}
* @private
*/
goog.ui.IdGenerator.prototype.nextId_ = 0;
/**
* Gets the next unique ID.
* @return {string} The next unique identifier.
*/
goog.ui.IdGenerator.prototype.getNextUniqueId = function() {
return ':' + (this.nextId_++).toString(36);
};
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