/*
 * contactlistmodel.h - model of contact list
 * 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 "abstracttreemodel.h"

#include <QModelIndex>
#include <QVariant>
#include <QHash>

class PsiAccount;
class PsiContact;
class PsiContactList;
class ContactListItem;

class ContactListModel : public AbstractTreeModel
{
    Q_OBJECT

public:
    enum {
        // generic
        TypeRole = Qt::UserRole,
        ActivateRole,
        ContactListItemRole,

        // contacts
        JidRole,
        PictureRole,
        StatusTextRole,
        StatusTypeRole,
        PresenceErrorRole,
        IsAgentRole,
        AuthorizesToSeeStatusRole,
        AskingForAuthRole,
        IsAlertingRole,
        AlertPictureRole,
        IsAnimRole,
        PhaseRole,
        MoodRole,
        ActivityRole,
        GeolocationRole,
        ClientRole,
        TuneRole,
        AvatarRole,
        IsMucRole,
        MucMessagesRole,
        BlockRole,
        IsSecureRole,

        // groups
        ExpandedRole,
        TotalItemsRole,
        FullGroupNameRole,
        OnlineContactsRole,
        TotalContactsRole,
        InternalGroupNameRole,
        SpecialGroupTypeRole,
        DisplayGroupRole,

        // accounts
        UsingSSLRole,
    };

    enum {
        NameColumn = 0
    };

    ContactListModel(PsiContactList *contactList);
    virtual ~ContactListModel();

    virtual PsiContactList *contactList() const;

    void invalidateLayout();

    bool groupsEnabled() const;
    void setGroupsEnabled(bool enabled);

    bool accountsEnabled() const;
    void setAccountsEnabled(bool enabled);

    bool showOffline() const;
    bool showSelf() const;
    bool showTransports() const;
    bool showHidden() const;
    QString contactSortStyle() const;

    void renameSelectedItem();

    PsiContact *contactFor(const QModelIndex &index) const;
    QModelIndexList indexesFor(const PsiContact *contact) const;

    // reimplemented
    QVariant data(const QModelIndex& index, int role) const;
    virtual int columnCount(const QModelIndex &parent) const;
    Qt::ItemFlags flags(const QModelIndex &index) const;
    virtual bool setData(const QModelIndex &index, const QVariant &data, int role);

    ContactListItem *toItem(const QModelIndex &index) const;
    QModelIndex toModelIndex(ContactListItem *item) const;

signals:
    void showOfflineChanged();
    void showSelfChanged();
    void showTransportsChanged();
    void showHiddenChanged();
    void inPlaceRename();
    void contactSortStyleChanged();

public slots:
    void expanded(const QModelIndex &index);
    void collapsed(const QModelIndex &index);

protected slots:
    void destroyingContactList();

protected slots:
    void rosterRequestFinished();

private:
    void updateItem(ContactListItem *item);

    class Private;
    Private *d;

    friend class ContactListItem;
};
