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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 CHROME_BROWSER_UI_COCOA_MEDIA_PICKER_DESKTOP_MEDIA_PICKER_BRIDGE_H_
      6 #define CHROME_BROWSER_UI_COCOA_MEDIA_PICKER_DESKTOP_MEDIA_PICKER_BRIDGE_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "chrome/browser/media/desktop_media_list_observer.h"
     10 
     11 // Protocol corresponding to |DesktopMediaListObserver|.
     12 @protocol DesktopMediaPickerObserver
     13 - (void)sourceAddedAtIndex:(int)index;
     14 - (void)sourceRemovedAtIndex:(int)index;
     15 - (void)sourceMovedFrom:(int)oldIndex to:(int)newIndex;
     16 - (void)sourceNameChangedAtIndex:(int)index;
     17 - (void)sourceThumbnailChangedAtIndex:(int)index;
     18 @end
     19 
     20 // Provides a |DesktopMediaListObserver| implementation that forwards
     21 // notifications to a objective-c object implementing the
     22 // |DesktopMediaPickerObserver| protocol.
     23 class DesktopMediaPickerBridge : public DesktopMediaListObserver {
     24  public:
     25   DesktopMediaPickerBridge(id<DesktopMediaPickerObserver> observer);
     26   virtual ~DesktopMediaPickerBridge();
     27 
     28   // DesktopMediaListObserver overrides.
     29   virtual void OnSourceAdded(int index) OVERRIDE;
     30   virtual void OnSourceRemoved(int index) OVERRIDE;
     31   virtual void OnSourceMoved(int old_index, int new_index) OVERRIDE;
     32   virtual void OnSourceNameChanged(int index) OVERRIDE;
     33   virtual void OnSourceThumbnailChanged(int index) OVERRIDE;
     34 
     35  private:
     36   id<DesktopMediaPickerObserver> observer_;  // weak; owns this
     37 
     38   DISALLOW_COPY_AND_ASSIGN(DesktopMediaPickerBridge);
     39 };
     40 
     41 #endif  // CHROME_BROWSER_UI_COCOA_MEDIA_PICKER_DESKTOP_MEDIA_PICKER_BRIDGE_H_
     42