<div class="dialog-header">
  <h4 class="dialog-title" {{bind-attr title="title"}}>{{title}}</h4>
  <p class="dialog-close" {{action "decline" dialog}}></p>
</div>
<div class="dialog-body">
  <video {{bind-attr src="dialog.url"}}  width="800" height="400" controls="controls">您的浏览器不支持此种视频格式。</video>
</div>
