/* This file is part of the KDE project
 *
 * Copyright (C) 2004 Jakub Stachowski <qbast@go2.pl>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef DNSSDDOMAINBROWSER_H
#define DNSSDDOMAINBROWSER_H

#include <qobject.h>
#include <qdict.h>
#include <dnssd/remoteservice.h>

// KIPC message ID used by kcm module to signal change in browsing domains list

#define KIPCDomainsChanged 2014

class QStringList;
namespace DNSSD
{
class DomainBrowserPrivate;

/**
@short Class used to provide current list of domains for browsing.
@author Jakub Stachowski
*/
class KDNSSD_EXPORT DomainBrowser : public QObject
{
	Q_OBJECT
public:
	/**
	Standard constructor. It takes all parameters from global configuration.
	All changes in configuration are applied immediately.
	@param parent Parent object.
	 */
	DomainBrowser(QObject *parent=0);
	
	/**
	Constructor that creates browser for domain list. This does not use global
	configuration at all.
	@param domains List of domains 
	@param recursive TRUE - additionally local network will be browsed for more domains
	@param parent Parent object.
	This process is recursive.
	 */
	DomainBrowser(const QStringList& domains, bool recursive=false, QObject *parent=0);

	~DomainBrowser();
	
	/**
	Current list of domains to browse.
	 */
	const QStringList& domains() const;
	
	/**
	Starts browsing. To stop destroy this object.
	 */
	void startBrowse() ;
	
	/**
	Returns true when browse has already started
	 */
	bool isRunning() const;

signals:
	/**
	Emitted when domain has been removed from browsing list
	 */
	void domainRemoved(const QString&);
	/**
	New domain has been discovered. Also emitted for domain specified in constructor
	and in global configuration
	 */
	void domainAdded(const QString&);

protected:
	virtual void virtual_hook(int,void*);
private:
	friend class DomainBrowserPrivate;
	DomainBrowserPrivate *d;

	void gotNewDomain(const QString&);
	void gotRemoveDomain(const QString&);

private slots:
	void domainListChanged(int,int);
};

}

#endif
