systrace/catapult/third_party/polymer/components/iron-a11y-announcer/demo/x-announces.html

<!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<!--
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE
The complete set of authors may be found at http://polymer.github.io/AUTHORS
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS
-->

<link rel="import" href="../../polymer/polymer.html">
<link rel="import" href="../../paper-button/paper-button.html">
<link rel="import" href="../iron-a11y-announcer.html">

<dom-module id="x-announces">
  <template>
    <style>
      :host {
        display: block;
        position: relative;
        padding: 1em 0;
      }

      paper-button {
        background: #4285f4;
        color: #fff;
      }
    </style>

    <paper-button on-tap="_onTapAnnounce" raised>Announce</paper-button>
    <span id="content" aria-hidden="true">
      <content></content>
    </span>
  </template>
  <script>
    Polymer({
      is: 'x-announces',

      attached: function() {
        Polymer.IronA11yAnnouncer.requestAvailability();
      },

      _onTapAnnounce: function() {
        this.fire('iron-announce', {
          text: this.$.content.textContent.trim()
        }, {
          bubbles: true
        });
      }
    });
  </script>
</dom-module>