chrome/browser/media/desktop_media_list_observer.h

   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 CHROME_BROWSER_MEDIA_DESKTOP_MEDIA_LIST_OBSERVER_H_
   6 #define CHROME_BROWSER_MEDIA_DESKTOP_MEDIA_LIST_OBSERVER_H_
   7
   8 // Interface implemented by the desktop media picker dialog to receive
   9 // notifications about changes in DesktopMediaList.
  10 class DesktopMediaListObserver {
  11  public:
  12   virtual void OnSourceAdded(int index) = 0;
  13   virtual void OnSourceRemoved(int index) = 0;
  14   virtual void OnSourceMoved(int old_index, int new_index) = 0;
  15   virtual void OnSourceNameChanged(int index) = 0;
  16   virtual void OnSourceThumbnailChanged(int index) = 0;
  17
  18  protected:
  19   virtual ~DesktopMediaListObserver() {}
  20 };
  21
  22 #endif  // CHROME_BROWSER_MEDIA_DESKTOP_MEDIA_LIST_OBSERVER_H_