xbmc/dialogs/GUIDialogVolumeBar.h

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "guilib/GUIDialog.h"
  12 #include "threads/CriticalSection.h"
  13
  14 #include <set>
  15
  16 class IGUIVolumeBarCallback;
  17
  18 class CGUIDialogVolumeBar : public CGUIDialog
  19 {
  20 public:
  21   CGUIDialogVolumeBar(void);
  22   ~CGUIDialogVolumeBar(void) override;
  23   bool OnMessage(CGUIMessage& message) override;
  24   bool OnAction(const CAction &action) override;
  25
  26   // Volume bar interface
  27   void RegisterCallback(IGUIVolumeBarCallback *callback);
  28   void UnregisterCallback(IGUIVolumeBarCallback *callback);
  29   bool IsVolumeBarEnabled() const;
  30
  31 private:
  32   std::set<IGUIVolumeBarCallback*> m_callbacks;
  33   mutable CCriticalSection m_callbackMutex;
  34 };