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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_DELEGATE_H_
      6 #define CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_DELEGATE_H_
      7 
      8 namespace WebKit {
      9 class WebMediaPlayer;
     10 }
     11 namespace content {
     12 
     13 // An interface to allow a WebMediaPlayerImpl to communicate changes of state
     14 // to objects that need to know.
     15 class WebMediaPlayerDelegate {
     16  public:
     17   WebMediaPlayerDelegate() {}
     18 
     19   // The specified player started playing media.
     20   virtual void DidPlay(WebKit::WebMediaPlayer* player) = 0;
     21 
     22   // The specified player stopped playing media.
     23   virtual void DidPause(WebKit::WebMediaPlayer* player) = 0;
     24 
     25   // The specified player was destroyed. Do not call any methods on it.
     26   virtual void PlayerGone(WebKit::WebMediaPlayer* player) = 0;
     27 
     28  protected:
     29   virtual ~WebMediaPlayerDelegate() {}
     30 };
     31 
     32 }  // namespace content
     33 
     34 #endif  // CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_DELEGATE_H_
     35