chrome/browser/ui/cocoa/media_picker/desktop_media_picker_bridge.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_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   ~DesktopMediaPickerBridge() override;
  27
  28   // DesktopMediaListObserver overrides.
  29   void OnSourceAdded(int index) override;
  30   void OnSourceRemoved(int index) override;
  31   void OnSourceMoved(int old_index, int new_index) override;
  32   void OnSourceNameChanged(int index) override;
  33   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_