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| 1 <!-- |
| 2 @license |
| 3 Copyright (c) 2015 The Polymer Project Authors. All rights reserved. |
| 4 This code may only be used under the BSD style license found at http://polymer.g
ithub.io/LICENSE.txt |
| 5 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt |
| 6 The complete set of contributors may be found at http://polymer.github.io/CONTRI
BUTORS.txt |
| 7 Code distributed by Google as part of the polymer project is also |
| 8 subject to an additional IP rights grant found at http://polymer.github.io/PATEN
TS.txt |
| 9 --><html><head><link rel="import" href="../polymer/polymer.html"> |
| 10 |
| 11 <!-- |
| 12 `iron-a11y-announcer` is a singleton element that is intended to add a11y |
| 13 to features that require on-demand announcement from screen readers. In |
| 14 order to make use of the announcer, it is best to request its availability |
| 15 in the announcing element. |
| 16 |
| 17 Example: |
| 18 |
| 19 Polymer({ |
| 20 |
| 21 is: 'x-chatty', |
| 22 |
| 23 attached: function() { |
| 24 // This will create the singlton element if it has not |
| 25 // been created yet: |
| 26 Polymer.IronA11yAnnouncer.requestAvailability(); |
| 27 } |
| 28 }); |
| 29 |
| 30 After the `iron-a11y-announcer` has been made available, elements can |
| 31 make announces by firing bubbling `iron-announce` events. |
| 32 |
| 33 Example: |
| 34 |
| 35 this.fire('iron-announce', { |
| 36 text: 'This is an announcement!' |
| 37 }, { bubbles: true }); |
| 38 |
| 39 Note: announcements are only audible if you have a screen reader enabled. |
| 40 |
| 41 @group Iron Elements |
| 42 @demo demo/index.html |
| 43 --> |
| 44 |
| 45 </head><body><dom-module id="iron-a11y-announcer"> |
| 46 <style> |
| 47 :host { |
| 48 display: inline-block; |
| 49 position: fixed; |
| 50 clip: rect(0px,0px,0px,0px); |
| 51 } |
| 52 </style> |
| 53 |
| 54 <template> |
| 55 <span aria-live$="[[mode]]">[[_text]]</span> |
| 56 </template> |
| 57 |
| 58 </dom-module> |
| 59 <script src="iron-a11y-announcer-extracted.js"></script></body></html> |
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Chromium Code Reviews
Issue 1162563004:
Upgrade to 1.0 and switch clients to dom-repeat where needed. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master