/*
 * wbmanager.h - Whiteboard manager
 * Copyright (C) 2007  Joonas Govenius
 *
 * Influenced by:
 * pepmanager.h - Classes for PEP
 * Copyright (C) 2006  Remko Troncon
 *
 * 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.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 */

#ifndef WBMANAGER_H
#define WBMANAGER_H

#include <QInputDialog>

#include "../sxe/sxemanager.h"
#include "wbdlg.h"

#define WBNS "http://www.w3.org/2000/svg"

namespace XMPP {
    class Client;
    class Jid;
    class Message;
}

using namespace XMPP;
class WbRequest;

/*! \brief The manager for whiteboard dialogs.
 *  The manager listen to SxeManager to pick up any new sessions negotiated by
 *  it and creates a dialog for each session.
 *
 *  The manager also provides a possibillity for the local client to start
 *  a new session negotiation with the desired contact.
 *
 *  \sa WbDlg
 */
class WbManager : public QObject
{
    Q_OBJECT

public:
    /*! \brief Constructor.
     *  Creates a new manager for the specified Client and PsiAccount
     */
    WbManager(XMPP::Client* client, PsiAccount* pa, SxeManager* sxemanager);
    ~WbManager();
    /*! \brief Returns true if features contains WBNS and the user wishes to accept the invitation. */
    //static bool checkInvitation(const Jid &peer, const QList<QString> &features);
    void requestActivated(int id);

public slots:
    /*! \brief Opens the existing dialog to the specified contact or starts a new session negotiation if necessary.*/
    void openWhiteboard(const Jid &target, const Jid &ownJid, bool groupChat, bool promptInitialDoc = true);

private:
    /*! \brief Return a pointer to a dialog to the specified contact.
     *  If such dialog doesn't exits, returns 0.
     */
    WbDlg* findWbDlg(const Jid &target);

    /*! \brief A pointer to the PsiAccount to pass to new dialogs.*/
    PsiAccount* pa_;
    /*! \brief A list of dialogs of established sessions.*/
    QList<WbDlg*> dialogs_;
    /*! \brief A pointer to the SxeManager used for negotiating sessions.*/
    SxeManager* sxemanager_;

    QList<WbRequest*> requests_;

signals:
    void wbRequest(const Jid &peer, int id);

private slots:
    /*! \brief Removes and deletes the dialog for the given session.*/
    void removeDialog(WbDlg* dialog);
    /*! \brief Returns a pointer to a new dialog to with given contact and session set.*/
    void createWbDlg(SxeSession* session);

    void  checkInvitation(const Jid &peer, const QList<QString> &features, bool* result);
};

#endif
