146 lines
4.8 KiB
C++
146 lines
4.8 KiB
C++
/*
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* Kaidan - A user-friendly XMPP client for every device!
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*
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* Copyright (C) 2016-2021 Kaidan developers and contributors
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* (see the LICENSE file for a full list of copyright authors)
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*
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* Kaidan is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* In addition, as a special exception, the author of Kaidan gives
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* permission to link the code of its release with the OpenSSL
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* project's "OpenSSL" library (or with modified versions of it that
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* use the same license as the "OpenSSL" library), and distribute the
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* linked executables. You must obey the GNU General Public License in
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* all respects for all of the code used other than "OpenSSL". If you
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* modify this file, you may extend this exception to your version of
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* the file, but you are not obligated to do so. If you do not wish to
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* do so, delete this exception statement from your version.
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*
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* Kaidan is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Kaidan. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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// std
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#include <optional>
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// Qt
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#include <QAbstractListModel>
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#include <QVector>
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// Kaidan
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#include "RosterItem.h"
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class Kaidan;
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class MessageModel;
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class Message;
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enum class MessageOrigin : quint8;
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class RosterModel : public QAbstractListModel
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{
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Q_OBJECT
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public:
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enum RosterItemRoles {
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JidRole,
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NameRole,
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LastExchangedRole,
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UnreadMessagesRole,
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LastMessageRole,
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};
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static RosterModel *instance();
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RosterModel(QObject *parent = nullptr);
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void setMessageModel(MessageModel *model);
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Q_REQUIRED_RESULT bool isEmpty() const;
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Q_REQUIRED_RESULT int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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Q_REQUIRED_RESULT QHash<int, QByteArray> roleNames() const override;
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Q_REQUIRED_RESULT QVariant data(const QModelIndex &index, int role) const override;
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/**
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* Retrieves the name of a roster item or its JID's local part.
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*
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* @param accountJid JID of the account whose roster item is retrieved
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* @param jid JID of the roster item
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*
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* @return the name of the roster item, or
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* the local part of its JID if the found roster item has no name, or
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* an empty string if no roster item with the given JID could be found
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*/
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Q_INVOKABLE QString itemName(const QString &accountJid, const QString &jid) const;
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signals:
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void addItemRequested(const RosterItem &item);
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void removeItemRequested(const QString &jid);
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void updateItemRequested(const QString &jid,
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const std::function<void (RosterItem &)> &updateItem);
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void replaceItemsRequested(const QHash<QString, RosterItem> &items);
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/**
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* Emitted to remove all roster items of an account or a specific roster item.
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*
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* @param accountJid JID of the account whose roster items are being removed
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* @param jid JID of the roster item being removed (optional)
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*/
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void removeItemsRequested(const QString &accountJid, const QString &jid = {});
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/**
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* Emitted, whan a subscription request was received
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*/
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void subscriptionRequestReceived(const QString &from, const QString &msg);
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private slots:
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void handleItemsFetched(const QVector<RosterItem> &items);
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void addItem(const RosterItem &item);
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void removeItem(const QString &jid);
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void updateItem(const QString &jid,
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const std::function<void (RosterItem &)> &updateItem);
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void replaceItems(const QHash<QString, RosterItem> &items);
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/**
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* Removes all roster items of an account or a specific roster item.
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*
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* @param accountJid JID of the account whose roster items are being removed
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* @param jid JID of the roster item being removed (optional)
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*/
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void removeItems(const QString &accountJid, const QString &jid = {});
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void handleMessageAdded(const Message &message, MessageOrigin origin);
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private:
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/**
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* Searches for the roster item with a given JID.
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*/
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std::optional<const RosterItem> findItem(const QString &jid) const;
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void insertItem(int index, const RosterItem &item);
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int updateItemPosition(int currentIndex);
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int positionToInsert(const RosterItem &item);
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/**
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* Determines a suitable roster item's name.
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*
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* @param jid JID of the roster item
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* @param name name of the roster item which can be empty
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*
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* @return the passed item name if it is not empty, otherwise the local
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* part of the passed JID
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*/
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QString determineItemName(const QString &jid, const QString &name) const;
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QVector<RosterItem> m_items;
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static RosterModel *s_instance;
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};
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