UPDATE: This issue is not noticeable if bandwith is good and 
<google-youtube> loads quickly. But if connection is slow, such at a coffee 
shop, then the issue is noticeable.

On Saturday, July 25, 2015 at 4:54:24 PM UTC-5, Darin Hensley wrote:
>
> stackoverflow cross post 
> <http://stackoverflow.com/questions/31631500/entry-animation-runs-before-google-youtube-element-is-loaded>
>
>
> *Polymer 1.0*
>
> I have a custom element where the entry animation starts before the 
> element is completely loaded. This causes the `<paper-button>` to have the 
> animation before `<google-youtube>` is loaded, which looks funny. 
>
> I think the `'iron-overlay-opened'` is fired before all the elements are 
> loaded...in this case the `<paper-button>` is loaded but the 
> `<google-youtube>` is not. 
>
> How can I make it to where the custom element loads completely first so 
> the `entry` animation is applied correctly? 
>
> *This is using `paper-dialog-behavior` element*
>
>   
>   <dom-module id="video-player">
>       <style>
>          :host {
>           @apply(--layout-fit);
>          }
>       </style>
>       
>     
>       <template>
>         <template is="dom-if" if="{{foo.bar}}">
>           <div class="layout vertical fit">
>             <google-youtube style="height: 100%"
>               video-id="YMWd7QnXY8E"
>               rel="1"
>               start="1"
>               playsinline="0"
>               controls="2"
>               showinfo="0"
>               width="100%"
>               height="100%"
>               autoplay="1">
>             </google-youtube>
>           </div>
>           <paper-button dialog-dismiss style="color: white; margin-top: 
> 0px">
>             <paper-icon-button icon="arrow-back"></paper-icon-button>
>           </paper-button>
>         </template>
>       </template>
>     
>       <script>
>         Polymer({
>           is: "video-player",
>           behaviors: [ 
>             Polymer.PaperDialogBehavior,
>             Polymer.NeonAnimationRunnerBehavior
>                      ],
>           properties: {
>             foo: Object,
>             entryAnimation: {
>               value: 'scale-up-animation'
>             },
>             exitAnimation: {
>               value: 'fade-out-animation'
>             }
>           },
>           listeners: { 'iron-overlay-opened': 'enableElement',
>                        'iron-overlay-closed': 'stopPlayer'
>           },
>           startPlayer: function() {
>             youtubePlayer = this.$$('google-youtube');
>             if (youtubePlayer.playbackstarted) {
>              youtubePlayer.play();
>             }
>           },
>           enableElement: function(e) {
>             this.foo = { bar: true};
>             this.playAnimation('entry');
>             setTimeout(this.startPlayer.bind(this), 300);
>           },
>           stopPlayer: function(e) {
>             this.playAnimation('exit');
>             youtubePlayer = this.$$('google-youtube');
>             youtubePlayer.pause();
>             youtubePlayer.seekTo(1);
>           },
>           ready: function() {
>             console.log("sssssssssssssssssSS");
>            }
>         });
>       </script>
>     </dom-module>
>
>
>
>

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