/*
 * Copyright 2015, Axel Dörfler, axeld@pinc-software.de.
 * Distributed under the terms of the MIT License.
 */
#ifndef VOLUME_WATCHER_H
#define VOLUME_WATCHER_H


#include <Handler.h>
#include <ObjectList.h>


class VolumeListener {
public:
        virtual                                         ~VolumeListener();

        virtual void                            VolumeMounted(dev_t device) = 0;
        virtual void                            VolumeUnmounted(dev_t device) = 0;
};


class VolumeWatcher : public BHandler {
public:
                                                                VolumeWatcher();
        virtual                                         ~VolumeWatcher();

                        void                            AddListener(VolumeListener* listener);
                        void                            RemoveListener(VolumeListener* listener);
                        int32                           CountListeners() const;

        virtual void                            MessageReceived(BMessage* message);

        static  void                            Register(VolumeListener* listener);
        static  void                            Unregister(VolumeListener* listener);

protected:
                        BObjectList<VolumeListener>
                                                                fListeners;
};


#endif // VOLUME_WATCHER_H