/* 
 *
 * $Id$
 * Copyright (C) 2003-2007 Sebastian Trueg <trueg@k3b.org>
 *
 * This file is part of the K3b project.
 * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * See the file "COPYING" for the exact licensing terms.
 */

#ifndef _K3B_PROJECT_MANAGER_H_
#define _K3B_PROJECT_MANAGER_H_

#include <qobject.h>
#include <qlist.h>
#include <k3bdoc.h>


class KUrl;
class K3bProjectInterface;


class K3bProjectManager : public QObject
{
    Q_OBJECT

public:
    K3bProjectManager( QObject* parent = 0 );
    virtual ~K3bProjectManager();

    QList<K3bDoc*> projects() const;

    /**
     * Create a new project including loading user defaults and creating
     * the dcop interface.
     */
    K3bDoc* createProject( K3bDoc::DocType type );

    /**
     * Opens a K3b project.
     * \return 0 if url does not point to a valid k3b project file, the new project otherwise.
     */
    K3bDoc* openProject( const KUrl &url );

    /**
     * saves the document under filename and format.
     */
    bool saveProject( K3bDoc*, const KUrl &url );

    K3bDoc* activeDoc() const { return activeProject(); }
    K3bDoc* activeProject() const;
    K3bDoc* findByUrl( const KUrl& url );
    bool isEmpty() const;

    /**
     * Will create if none exists.
     */
    //K3bProjectInterface* dcopInterface( K3bDoc* doc );

public Q_SLOTS:
    void addProject( K3bDoc* );
    void removeProject( K3bDoc* );
    void setActive( K3bDoc* );
    void loadDefaults( K3bDoc* );

 Q_SIGNALS:
    void newProject( K3bDoc* );
    void projectSaved( K3bDoc* );
    void closingProject( K3bDoc* );
    void projectChanged( K3bDoc* doc );
    void activeProjectChanged( K3bDoc* );

    private Q_SLOTS:
    void slotProjectChanged( K3bDoc* doc );

private:
    // used internal
    K3bDoc* createEmptyProject( K3bDoc::DocType );

    class Private;
    Private* d;
};

#endif
