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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "guilib/GUIDialog.h"
#include "threads/CriticalSection.h"
#include <set>
class IGUIVolumeBarCallback;
class CGUIDialogVolumeBar : public CGUIDialog
{
public:
CGUIDialogVolumeBar(void);
~CGUIDialogVolumeBar(void) override;
bool OnMessage(CGUIMessage& message) override;
bool OnAction(const CAction &action) override;
// Volume bar interface
void RegisterCallback(IGUIVolumeBarCallback *callback);
void UnregisterCallback(IGUIVolumeBarCallback *callback);
bool IsVolumeBarEnabled() const;
private:
std::set<IGUIVolumeBarCallback*> m_callbacks;
mutable CCriticalSection m_callbackMutex;
};
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