| // 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); |
| }; |
