/*
 * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */
#ifndef LOCATABLE_FILE_H
#define LOCATABLE_FILE_H

#include <ObjectList.h>

#include "LocatableEntry.h"


class LocatableFile : public LocatableEntry {
public:
        class Listener;

public:
                                                                LocatableFile(LocatableEntryOwner* owner,
                                                                        LocatableDirectory* directory,
                                                                        const BString& name);
                                                                ~LocatableFile();

        virtual const char*                     Name() const;
                        void                            GetPath(BString& _path) const;

                        // mutable (requires/does locking)
        virtual bool                            GetLocatedPath(BString& _path) const;
        virtual void                            SetLocatedPath(const BString& path,
                                                                        bool implicit);

                        bool                            AddListener(Listener* listener);
                        void                            RemoveListener(Listener* listener);

private:
                        typedef BObjectList<Listener> ListenerList;

private:
                        void                            _NotifyListeners();

private:
                        BString                         fName;
                        BString                         fLocatedPath;
                        ListenerList            fListeners;
};


class LocatableFile::Listener {
public:
        virtual                                         ~Listener();

        virtual void                            LocatableFileChanged(LocatableFile* file) = 0;
                                                                        // called with lock held
};


#endif  // LOCATABLE_FILE_H