Add messageeventmodel.
Black Hat
parent
fe57008564
commit
eb520d3b7e
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#include "messageeventmodel.h"
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#include <QtCore/QSettings>
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#include <QtCore/QDebug>
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#include <QtQml> // for qmlRegisterType()
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#include "connection.h"
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#include "user.h"
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#include "settings.h"
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#include "events/roommemberevent.h"
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#include "events/simplestateevents.h"
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#include "events/redactionevent.h"
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enum EventRoles {
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EventTypeRole = Qt::UserRole + 1,
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EventIdRole,
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TimeRole,
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SectionRole,
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AboveSectionRole,
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AuthorRole,
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ContentRole,
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ContentTypeRole,
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HighlightRole,
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ReadMarkerRole,
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SpecialMarksRole,
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LongOperationRole,
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};
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QHash<int, QByteArray> MessageEventModel::roleNames() const
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{
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QHash<int, QByteArray> roles = QAbstractItemModel::roleNames();
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roles[EventTypeRole] = "eventType";
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roles[EventIdRole] = "eventId";
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roles[TimeRole] = "time";
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roles[SectionRole] = "section";
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roles[AboveSectionRole] = "aboveSection";
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roles[AuthorRole] = "author";
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roles[ContentRole] = "content";
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roles[ContentTypeRole] = "contentType";
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roles[HighlightRole] = "highlight";
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roles[ReadMarkerRole] = "readMarker";
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roles[SpecialMarksRole] = "marks";
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roles[LongOperationRole] = "progressInfo";
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return roles;
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}
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MessageEventModel::MessageEventModel(QObject* parent)
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: QAbstractListModel(parent)
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, m_currentRoom(nullptr)
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{
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qmlRegisterType<QMatrixClient::FileTransferInfo>();
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qRegisterMetaType<QMatrixClient::FileTransferInfo>();
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}
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void MessageEventModel::changeRoom(QuaternionRoom* room)
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{
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if (room == m_currentRoom)
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return;
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beginResetModel();
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if( m_currentRoom )
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{
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m_currentRoom->disconnect( this );
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qDebug() << "Disconnected from" << m_currentRoom->id();
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}
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m_currentRoom = room;
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if( room )
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{
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using namespace QMatrixClient;
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connect(m_currentRoom, &Room::aboutToAddNewMessages, this,
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[=](RoomEventsRange events)
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{
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beginInsertRows(QModelIndex(), 0, int(events.size()) - 1);
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});
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connect(m_currentRoom, &Room::aboutToAddHistoricalMessages, this,
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[=](RoomEventsRange events)
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{
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beginInsertRows(QModelIndex(), rowCount(),
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rowCount() + int(events.size()) - 1);
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});
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connect(m_currentRoom, &Room::addedMessages,
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this, &MessageEventModel::endInsertRows);
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connect(m_currentRoom, &Room::readMarkerMoved, this, [this] {
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refreshEventRoles(
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std::exchange(lastReadEventId,
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m_currentRoom->readMarkerEventId()),
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{ReadMarkerRole});
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refreshEventRoles(lastReadEventId, {ReadMarkerRole});
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});
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connect(m_currentRoom, &Room::replacedEvent, this,
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[this] (const RoomEvent* newEvent) {
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refreshEvent(newEvent->id());
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});
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connect(m_currentRoom, &Room::fileTransferProgress,
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this, &MessageEventModel::refreshEvent);
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connect(m_currentRoom, &Room::fileTransferCompleted,
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this, &MessageEventModel::refreshEvent);
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connect(m_currentRoom, &Room::fileTransferFailed,
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this, &MessageEventModel::refreshEvent);
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connect(m_currentRoom, &Room::fileTransferCancelled,
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this, &MessageEventModel::refreshEvent);
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qDebug() << "Connected to room" << room->id()
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<< "as" << room->localUser()->id();
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}
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lastReadEventId = room ? room->readMarkerEventId() : "";
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endResetModel();
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}
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void MessageEventModel::refreshEvent(const QString& eventId)
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{
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refreshEventRoles(eventId, {});
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}
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void MessageEventModel::refreshEventRoles(const QString& eventId,
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const QVector<int> roles)
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{
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const auto it = m_currentRoom->findInTimeline(eventId);
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if (it != m_currentRoom->timelineEdge())
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{
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const auto row = it - m_currentRoom->messageEvents().rbegin();
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emit dataChanged(index(row), index(row), roles);
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}
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}
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inline bool hasValidTimestamp(const QMatrixClient::TimelineItem& ti)
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{
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return ti->timestamp().isValid();
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}
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QDateTime MessageEventModel::makeMessageTimestamp(QuaternionRoom::rev_iter_t baseIt) const
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{
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const auto& timeline = m_currentRoom->messageEvents();
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auto ts = baseIt->event()->timestamp();
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if (ts.isValid())
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return ts;
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// The event is most likely redacted or just invalid.
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// Look for the nearest date around and slap zero time to it.
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using QMatrixClient::TimelineItem;
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auto rit = std::find_if(baseIt, timeline.rend(),
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hasValidTimestamp);
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if (rit != timeline.rend())
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return { rit->event()->timestamp().date(), {0,0}, Qt::LocalTime };
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auto it = std::find_if(baseIt.base(), timeline.end(), hasValidTimestamp);
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if (it != timeline.end())
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return { it->event()->timestamp().date(), {0,0}, Qt::LocalTime };
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// What kind of room is that?..
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qCritical() << "No valid timestamps in the room timeline!";
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return {};
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}
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QString MessageEventModel::makeDateString(QuaternionRoom::rev_iter_t baseIt) const
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{
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auto date = makeMessageTimestamp(baseIt).toLocalTime().date();
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if (QMatrixClient::SettingsGroup("UI")
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.value("banner_human_friendly_date", true).toBool())
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{
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if (date == QDate::currentDate())
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return tr("Today");
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if (date == QDate::currentDate().addDays(-1))
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return tr("Yesterday");
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if (date == QDate::currentDate().addDays(-2))
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return tr("The day before yesterday");
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if (date > QDate::currentDate().addDays(-7))
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return date.toString("dddd");
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}
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return date.toString(Qt::DefaultLocaleShortDate);
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}
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int MessageEventModel::rowCount(const QModelIndex& parent) const
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{
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if( !m_currentRoom || parent.isValid() )
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return 0;
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return m_currentRoom->timelineSize();
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}
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QVariant MessageEventModel::data(const QModelIndex& index, int role) const
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{
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if( !m_currentRoom ||
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index.row() < 0 || index.row() >= m_currentRoom->timelineSize())
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return QVariant();
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const auto eventIt = m_currentRoom->messageEvents().rbegin() + index.row();
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auto* event = eventIt->event();
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// FIXME: Rewind to the name that was right before this event
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QString senderName = m_currentRoom->roomMembername(event->senderId());
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using namespace QMatrixClient;
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if( role == Qt::DisplayRole )
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{
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if (event->isRedacted())
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{
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auto reason = event->redactedBecause()->reason();
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if (reason.isEmpty())
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return tr("Redacted");
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else
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return tr("Redacted: %1")
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.arg(event->redactedBecause()->reason());
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}
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if( event->type() == EventType::RoomMessage )
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{
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using namespace MessageEventContent;
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auto* e = static_cast<const RoomMessageEvent*>(event);
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if (e->hasTextContent() && e->mimeType().name() != "text/plain")
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return static_cast<const TextContent*>(e->content())->body;
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if (e->hasFileContent())
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{
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auto fileCaption = e->content()->fileInfo()->originalName;
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if (fileCaption.isEmpty())
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fileCaption = m_currentRoom->prettyPrint(e->plainBody());
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if (fileCaption.isEmpty())
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return tr("a file");
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}
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return m_currentRoom->prettyPrint(e->plainBody());
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}
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if( event->type() == EventType::RoomMember )
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{
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auto* e = static_cast<const RoomMemberEvent*>(event);
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// FIXME: Rewind to the name that was at the time of this event
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QString subjectName = m_currentRoom->roomMembername(e->userId());
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// The below code assumes senderName output in AuthorRole
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switch( e->membership() )
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{
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case MembershipType::Invite:
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if (e->repeatsState())
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return tr("reinvited %1 to the room").arg(subjectName);
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// [[fallthrough]]
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case MembershipType::Join:
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{
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if (e->repeatsState())
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return tr("joined the room (repeated)");
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if (!e->prev_content() ||
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e->membership() != e->prev_content()->membership)
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{
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return e->membership() == MembershipType::Invite
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? tr("invited %1 to the room").arg(subjectName)
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: tr("joined the room");
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}
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QString text {};
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if (e->displayName() != e->prev_content()->displayName)
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{
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if (e->displayName().isEmpty())
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text = tr("cleared the display name");
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else
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text = tr("changed the display name to %1")
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.arg(e->displayName());
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}
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if (e->avatarUrl() != e->prev_content()->avatarUrl)
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{
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if (!text.isEmpty())
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text += " and ";
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if (e->avatarUrl().isEmpty())
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text += tr("cleared the avatar");
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else
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text += tr("updated the avatar");
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}
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return text;
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}
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case MembershipType::Leave:
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if (e->prev_content() &&
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e->prev_content()->membership == MembershipType::Ban)
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{
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if (e->senderId() != e->userId())
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return tr("unbanned %1").arg(subjectName);
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else
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return tr("self-unbanned");
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}
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if (e->senderId() != e->userId())
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return tr("has put %1 out of the room").arg(subjectName);
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else
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return tr("left the room");
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case MembershipType::Ban:
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if (e->senderId() != e->userId())
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return tr("banned %1 from the room").arg(subjectName);
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else
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return tr("self-banned from the room");
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case MembershipType::Knock:
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return tr("knocked");
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case MembershipType::Undefined:
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return tr("made something unknown");
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}
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}
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if( event->type() == EventType::RoomAliases )
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{
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auto* e = static_cast<const RoomAliasesEvent*>(event);
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return tr("set aliases to: %1").arg(e->aliases().join(", "));
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}
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if( event->type() == EventType::RoomCanonicalAlias )
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{
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auto* e = static_cast<const RoomCanonicalAliasEvent*>(event);
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return tr("set the room main alias to: %1").arg(e->alias());
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}
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if( event->type() == EventType::RoomName )
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{
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auto* e = static_cast<const RoomNameEvent*>(event);
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return tr("set the room name to: %1").arg(e->name());
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}
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if( event->type() == EventType::RoomTopic )
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{
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auto* e = static_cast<const RoomTopicEvent*>(event);
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return tr("set the topic to: %1").arg(e->topic());
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}
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if( event->type() == EventType::RoomAvatar )
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{
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return tr("changed the room avatar");
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}
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if( event->type() == EventType::RoomEncryption )
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{
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return tr("activated End-to-End Encryption");
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}
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return tr("Unknown Event");
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}
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if( role == Qt::ToolTipRole )
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{
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return event->originalJson();
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}
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if( role == EventTypeRole )
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{
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if (event->isStateEvent())
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return "state";
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if (event->type() == EventType::RoomMessage)
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{
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switch (static_cast<const RoomMessageEvent*>(event)->msgtype())
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{
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case MessageEventType::Emote:
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return "emote";
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case MessageEventType::Notice:
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return "notice";
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case MessageEventType::Image:
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return "image";
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case MessageEventType::File:
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case MessageEventType::Audio:
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case MessageEventType::Video:
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return "file";
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default:
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return "message";
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}
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}
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return "other";
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}
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if( role == TimeRole )
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return makeMessageTimestamp(eventIt);
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if( role == SectionRole )
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return makeDateString(eventIt); // FIXME: move date rendering to QML
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if( role == AboveSectionRole ) // FIXME: shouldn't be here, because #312
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{
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auto aboveEventIt = eventIt + 1;
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if (aboveEventIt != m_currentRoom->timelineEdge())
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return makeDateString(aboveEventIt);
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}
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if( role == AuthorRole )
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{
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auto userId = event->senderId();
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// FIXME: This will go away after senderName is generated correctly
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// (see the FIXME in the beginning of the method).
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// if (event->type() == EventType::RoomMember)
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// {
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// const auto* e = static_cast<const RoomMemberEvent*>(event);
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// if (e->senderId() == e->userId() /*???*/ && e->prev_content()
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// && !e->prev_content()->displayName.isEmpty())
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// userId = e->prevSenderId();
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// }
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return QVariant::fromValue(m_currentRoom->connection()->user(userId));
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}
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if (role == ContentTypeRole)
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{
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if (event->type() == EventType::RoomMessage)
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{
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const auto& contentType =
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static_cast<const RoomMessageEvent*>(event)->mimeType().name();
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return contentType == "text/plain" ? "text/html" : contentType;
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}
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return "text/plain";
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}
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if (role == ContentRole)
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{
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if (event->isRedacted())
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{
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auto reason = event->redactedBecause()->reason();
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if (reason.isEmpty())
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return tr("Redacted");
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else
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return tr("Redacted: %1")
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.arg(event->redactedBecause()->reason());
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}
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if( event->type() == EventType::RoomMessage )
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{
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using namespace MessageEventContent;
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auto* e = static_cast<const RoomMessageEvent*>(event);
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switch (e->msgtype())
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{
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case MessageEventType::Image:
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case MessageEventType::File:
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case MessageEventType::Audio:
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case MessageEventType::Video:
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return QVariant::fromValue(e->content()->originalJson);
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default:
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;
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}
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}
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}
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if( role == HighlightRole )
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return m_currentRoom->isEventHighlighted(event);
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if( role == ReadMarkerRole )
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return event->id() == lastReadEventId;
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if( role == SpecialMarksRole )
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{
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if (event->isStateEvent() &&
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static_cast<const StateEventBase*>(event)->repeatsState())
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return "hidden";
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return event->isRedacted() ? "redacted" : "";
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}
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if( role == EventIdRole )
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return event->id();
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if( role == LongOperationRole )
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{
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if (event->type() == EventType::RoomMessage &&
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static_cast<const RoomMessageEvent*>(event)->hasFileContent())
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{
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auto info = m_currentRoom->fileTransferInfo(event->id());
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return QVariant::fromValue(info);
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}
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}
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return QVariant();
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}
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@ -0,0 +1,38 @@
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#ifndef MESSAGEEVENTMODEL_H
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#define MESSAGEEVENTMODEL_H
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#pragma once
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#include <QtCore/QAbstractListModel>
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class MessageEventModel: public QAbstractListModel
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{
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Q_OBJECT
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// The below property is marked constant because it only changes
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// when the whole model is reset (so anything that depends on the model
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// has to be re-calculated anyway).
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// XXX: A better way would be to make [Room::]Timeline a list model
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// itself, leaving only representation of the model to a client.
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Q_PROPERTY(QuaternionRoom* room MEMBER m_currentRoom CONSTANT)
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public:
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explicit MessageEventModel(QObject* parent = nullptr);
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void changeRoom(QuaternionRoom* room);
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int rowCount(const QModelIndex& parent = QModelIndex()) const override;
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QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
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QHash<int, QByteArray> roleNames() const override;
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private slots:
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void refreshEvent(const QString& eventId);
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private:
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QuaternionRoom* m_currentRoom;
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QString lastReadEventId;
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QDateTime makeMessageTimestamp(QuaternionRoom::rev_iter_t baseIt) const;
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QString makeDateString(QuaternionRoom::rev_iter_t baseIt) const;
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void refreshEventRoles(const QString& eventId, const QVector<int> roles);
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};
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#endif // MESSAGEEVENTMODEL_H
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