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/******************************************************************************
* Copyright (C) 2015 Felix Rohrbach <kde@fxrh.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 QMATRIXCLIENT_EVENT_H
#define QMATRIXCLIENT_EVENT_H
#include <algorithm>
#include <QtCore/QString>
#include <QtCore/QDateTime>
#include <QtCore/QJsonObject>
#include <QtCore/QVector>
class QJsonArray;
namespace QMatrixClient
{
enum class EventType
{
RoomMessage, RoomName, RoomAliases, RoomCanonicalAlias,
RoomMember, RoomTopic, Typing, Receipt, Unknown
};
class Event
{
public:
explicit Event(EventType type);
Event(Event&) = delete;
virtual ~Event();
EventType type() const;
QString id() const;
QDateTime timestamp() const;
QString roomId() const;
// only for debug purposes!
QString originalJson() const;
static Event* fromJson(const QJsonObject& obj);
protected:
bool parseJson(const QJsonObject& obj);
private:
class Private;
Private* d;
};
using Events = QVector<Event*>;
Events eventsFromJson(const QJsonArray& contents);
/**
* Finds a place in the timeline where a new event/message could be inserted.
* @return an iterator to an item with the earliest timestamp after
* the one of 'item'; or timeline.end(), if all events are earlier
*/
template <class ItemT, class ContT>
typename ContT::iterator
findInsertionPos(ContT & timeline, const ItemT *item)
{
return std::lower_bound (timeline.begin(), timeline.end(), item,
[](const typename ContT::value_type a, const ItemT * b) {
// FIXME: We should not order the message list by origin timestamp.
// Rather, an order of receiving should be used (which actually
// poses a question on whether this method is needed at all -
// or we'd just prepend and append, depending on whether we
// received something from /sync or from /messages.
return a->timestamp() < b->timestamp();
}
);
}
}
#endif // QMATRIXCLIENT_EVENT_H
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