forked from blue/squawk
114 lines
3.2 KiB
C++
114 lines
3.2 KiB
C++
/*
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* Squawk messenger.
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* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
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*
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* This program 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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* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MESSAGEFEED_H
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#define MESSAGEFEED_H
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#include <QAbstractListModel>
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#include <QDateTime>
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#include <QString>
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#include <boost/multi_index_container.hpp>
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#include <boost/multi_index/ordered_index.hpp>
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#include <boost/multi_index/ranked_index.hpp>
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#include <boost/multi_index/mem_fun.hpp>
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#include <shared/message.h>
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class MessageFeed : public QAbstractListModel
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{
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Q_OBJECT
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public:
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MessageFeed(QObject *parent = nullptr);
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~MessageFeed();
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void addMessage(const Shared::Message& msg);
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void changeMessage(const QString& id, const Shared::Message& msg);
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void removeMessage(const QString& id);
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QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const override;
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int rowCount(const QModelIndex& parent = QModelIndex()) const override;
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bool canFetchMore(const QModelIndex & parent) const override;
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void fetchMore(const QModelIndex & parent) override;
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QHash<int, QByteArray> roleNames() const override;
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void responseArchive(const std::list<Shared::Message> list);
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unsigned int unreadMessagesCount() const;
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signals:
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void requestArchive(const QString& before);
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public:
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enum MessageRoles {
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Text = Qt::UserRole + 1,
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Sender,
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Date,
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DeliveryState,
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Correction,
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SentByMe
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};
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private:
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enum SyncState {
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incomplete,
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syncing,
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complete
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};
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//tags
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struct id {};
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struct time {};
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typedef boost::multi_index_container<
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Shared::Message*,
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boost::multi_index::indexed_by<
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boost::multi_index::ordered_unique<
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boost::multi_index::tag<id>,
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boost::multi_index::const_mem_fun<
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Shared::Message,
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QString,
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&Shared::Message::getId
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>
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>,
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boost::multi_index::ranked_non_unique<
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boost::multi_index::tag<time>,
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boost::multi_index::const_mem_fun<
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Shared::Message,
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QDateTime,
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&Shared::Message::getTime
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>,
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std::greater<QDateTime>
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>
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>
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> Storage;
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typedef Storage::index<id>::type StorageById;
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typedef Storage::index<time>::type StorageByTime;
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Storage storage;
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StorageById& indexById;
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StorageByTime& indexByTime;
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SyncState syncState;
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static const QHash<int, QByteArray> roles;
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};
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#endif // MESSAGEFEED_H
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