/*
 * contactlistmodelselection.h - stores persistent contact list selections
 * Copyright (C) 2008-2010  Yandex LLC (Michail Pishchagin)
 *
 * 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
 *
 */

#pragma once

#include <QMimeData>

class ContactListItem;
class QDomElement;

class ContactListModelSelection : public QMimeData
{
    Q_OBJECT
public:
    ContactListModelSelection(QList<ContactListItem*> items);
    ContactListModelSelection(const QMimeData *mimeData);

    static const QString& mimeType();

    struct Contact {
        Contact(QString _jid, QString _account, QString _group)
            : jid(_jid)
            , account(_account)
            , group(_group)
        {}
        QString jid;
        QString account;
        QString group;
    };

    struct Group {
        Group(QString _fullName)
            : fullName(_fullName)
        {}
        QString fullName;
    };

    struct Account {
        Account(QString _id)
            : id(_id)
        {}
        QString id;
    };

    bool haveRosterSelection() const;

    QList<Contact> contacts() const;
    QList<Group> groups() const;
    QList<Account> accounts() const;

    bool isMultiSelection() const;

    static void debugSelection(const QMimeData* data, const QString& name);

private:
    const QMimeData* mimeData_;

    const QMimeData* mimeData() const;

    QDomElement rootElementFor(const QMimeData* mimeData) const;
    bool haveRosterSelectionIn(const QMimeData* mimeData) const;
    QList<Contact> contactsFor(const QMimeData* mimeData) const;
    QList<Group> groupsFor(const QMimeData* mimeData) const;
    QList<Account> accountsFor(const QMimeData* mimeData) const;
};
