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| 1 <!-- |
| 2 Copyright (c) 2014 The Polymer Project Authors. All rights reserved. |
| 3 This code may only be used under the BSD style license found at https://polymer.
github.io/LICENSE.txt |
| 4 The complete set of authors may be found at https://polymer.github.io/AUTHORS.tx
t |
| 5 The complete set of contributors may be found at https://polymer.github.io/CONTR
IBUTORS.txt |
| 6 Code distributed by Google as part of the polymer project is also |
| 7 subject to an additional IP rights grant found at https://polymer.github.io/PATE
NTS.txt |
| 8 --> |
| 9 |
| 10 <link rel="import" href="../polymer/polymer.html"> |
| 11 <link rel="import" href="../iron-jsonp-library/iron-jsonp-library.html"> |
| 12 |
| 13 <script> |
| 14 /** |
| 15 Dynamically loads the Google Youtube Iframe API, firing the `api-load` event whe
n ready. |
| 16 |
| 17 Any number of components can use `<google-youtube-api>` elements, and the librar
y will only be loaded once. |
| 18 |
| 19 https://developers.google.com/youtube/iframe_api_reference |
| 20 */ |
| 21 Polymer({ |
| 22 |
| 23 is: 'google-youtube-api', |
| 24 |
| 25 behaviors: [ |
| 26 Polymer.IronJsonpLibraryBehavior |
| 27 ], |
| 28 |
| 29 properties: { |
| 30 |
| 31 /** @private */ |
| 32 libraryUrl: { |
| 33 type: String, |
| 34 value: 'https://www.youtube.com/iframe_api' |
| 35 }, |
| 36 |
| 37 /** |
| 38 * Fired when the API library is loaded and available. |
| 39 * @event api-load |
| 40 */ |
| 41 /** |
| 42 * Name of event fired when library loads. |
| 43 */ |
| 44 notifyEvent: { |
| 45 type: String, |
| 46 value: 'api-load' |
| 47 }, |
| 48 |
| 49 callbackName: { |
| 50 type: String, |
| 51 value: 'onYouTubeIframeAPIReady' |
| 52 } |
| 53 |
| 54 }, |
| 55 |
| 56 get api() { |
| 57 return YT; |
| 58 } |
| 59 |
| 60 }); |
| 61 </script> |
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