src/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_picker_model.h"
  10
  11 // Protocol corresponding to |DesktopMediaPickerModel::Observer|.
  12 @protocol DesktopMediaPickerObserver
  13 - (void)sourceAddedAtIndex:(int)index;
  14 - (void)sourceRemovedAtIndex:(int)index;
  15 - (void)sourceNameChangedAtIndex:(int)index;
  16 - (void)sourceThumbnailChangedAtIndex:(int)index;
  17 @end
  18
  19 // Provides a |DesktopMediaPickerModel::Observer| implementation that forwards
  20 // notifications to a objective-c object implementing the
  21 // |DesktopMediaPickerObserver| protocol.
  22 class DesktopMediaPickerBridge : public DesktopMediaPickerModel::Observer {
  23  public:
  24   DesktopMediaPickerBridge(id<DesktopMediaPickerObserver> observer);
  25   virtual ~DesktopMediaPickerBridge();
  26
  27   // DesktopMediaPickerModel::Observer overrides
  28   virtual void OnSourceAdded(int index) OVERRIDE;
  29   virtual void OnSourceRemoved(int index) OVERRIDE;
  30   virtual void OnSourceNameChanged(int index) OVERRIDE;
  31   virtual void OnSourceThumbnailChanged(int index) OVERRIDE;
  32
  33  private:
  34   id<DesktopMediaPickerObserver> observer_;  // weak; owns this
  35
  36   DISALLOW_COPY_AND_ASSIGN(DesktopMediaPickerBridge);
  37 };
  38
  39 #endif  // CHROME_BROWSER_UI_COCOA_MEDIA_PICKER_DESKTOP_MEDIA_PICKER_BRIDGE_H_