<!-- Copyright (c) 2014 The Polymer Project Authors. All rights reserved. This code may only be used under the BSD style license found at https://polymer.github.io/LICENSE.txt The complete set of authors may be found at https://polymer.github.io/AUTHORS.txt The complete set of contributors may be found at https://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 https://polymer.github.io/PATENTS.txt --> <link rel="import" href="../polymer/polymer.html"> <link rel="import" href="../iron-jsonp-library/iron-jsonp-library.html"> <script> /** Dynamically loads the Google Youtube Iframe API, firing the `api-load` event when ready. Any number of components can use `<google-youtube-api>` elements, and the library will only be loaded once. https://developers.google.com/youtube/iframe_api_reference */ Polymer({ is: 'google-youtube-api', behaviors: [ Polymer.IronJsonpLibraryBehavior ], properties: { /** @private */ libraryUrl: { type: String, value: 'https://www.youtube.com/iframe_api' }, /** * Fired when the API library is loaded and available. * @event api-load */ /** * Name of event fired when library loads. */ notifyEvent: { type: String, value: 'api-load' }, callbackName: { type: String, value: 'onYouTubeIframeAPIReady' } }, get api() { return YT; } }); </script>