#ifndef _ADD_ON_MONITOR_HANDLER_H
#define _ADD_ON_MONITOR_HANDLER_H

#include <list>
#include "NodeMonitorHandler.h"

namespace BPrivate {
namespace Storage {

struct add_on_entry_info {
	char name[B_FILE_NAME_LENGTH];
	node_ref nref;
	node_ref dir_nref;
};

struct add_on_directory_info {
	node_ref nref;
	std::list<add_on_entry_info> entries;
};

class AddOnMonitorHandler : public NodeMonitorHandler {
private:
	typedef NodeMonitorHandler inherited;
public:
			AddOnMonitorHandler(const char * name = "AddOnMonitorHandler");
	virtual	~AddOnMonitorHandler();

	virtual void	MessageReceived(BMessage * msg);

	// supply the add on directories here, in the order you want them checked
	virtual status_t	AddDirectory(const node_ref * nref);

protected:
	// hooks for subclass
	virtual void	AddOnCreated(const add_on_entry_info * entry_info);
	virtual void	AddOnEnabled(const add_on_entry_info * entry_info);
	virtual void	AddOnDisabled(const add_on_entry_info * entry_info);
	virtual void	AddOnRemoved(const add_on_entry_info * entry_info);

protected:
	virtual void	EntryCreated(const char *name, ino_t directory,
					             dev_t device, ino_t node);
	virtual void	EntryRemoved(ino_t directory, dev_t device, ino_t node);
	virtual void	EntryMoved(const char *name, ino_t from_directory,
					           ino_t to_directory, dev_t device, ino_t node);

private:
	void	HandlePulse();

	std::list<add_on_directory_info> directories;
	std::list<add_on_entry_info> pending_entries;
	std::list<add_on_entry_info> former_entries;
};


}; // namespace Storage
}; // namespace BPrivate

using namespace BPrivate::Storage;

#endif // _ADD_ON_MONITOR_HANDLER_H