Spectral/matrix/messageeventmodel.cpp

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#include "messageeventmodel.h"
#include <QtCore/QSettings>
#include <QtCore/QDebug>
#include <QtQml> // for qmlRegisterType()
#include "events/roommemberevent.h"
#include "events/simplestateevents.h"
#include "events/redactionevent.h"
#include "events/roomavatarevent.h"
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#include "connection.h"
#include "user.h"
#include "settings.h"
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MessageEventModel::MessageEventModel(QObject* parent)
: QAbstractListModel(parent)
{
qmlRegisterType<QMatrixClient::FileTransferInfo>();
qRegisterMetaType<QMatrixClient::FileTransferInfo>();
}
MessageEventModel::~MessageEventModel()
{
}
void MessageEventModel::setRoom(QMatrixClient::Room* room)
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{
if (room == m_currentRoom)
return;
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();
}
m_currentRoom = room;
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if(room)
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{
using namespace QMatrixClient;
connect(m_currentRoom, &Room::aboutToAddNewMessages, this,
[=](RoomEventsRange events)
{
beginInsertRows(QModelIndex(), 0, int(events.size()) - 1);
});
connect(m_currentRoom, &Room::aboutToAddHistoricalMessages, this,
[=](RoomEventsRange events)
{
beginInsertRows(QModelIndex(), rowCount(),
rowCount() + int(events.size()) - 1);
});
connect(m_currentRoom, &Room::addedMessages,
this, &MessageEventModel::endInsertRows);
connect(m_currentRoom, &Room::readMarkerMoved, this, [this] {
refreshEventRoles(
std::exchange(lastReadEventId,
m_currentRoom->readMarkerEventId()),
{ReadMarkerRole});
refreshEventRoles(lastReadEventId, {ReadMarkerRole});
});
connect(m_currentRoom, &Room::replacedEvent, this,
[this] (const RoomEvent* newEvent) {
refreshEvent(newEvent->id());
});
connect(m_currentRoom, &Room::fileTransferProgress,
this, &MessageEventModel::refreshEvent);
connect(m_currentRoom, &Room::fileTransferCompleted,
this, &MessageEventModel::refreshEvent);
connect(m_currentRoom, &Room::fileTransferFailed,
this, &MessageEventModel::refreshEvent);
connect(m_currentRoom, &Room::fileTransferCancelled,
this, &MessageEventModel::refreshEvent);
qDebug() << "Connected to room" << room->id()
<< "as" << room->localUser()->id();
}
lastReadEventId = room ? room->readMarkerEventId() : "";
endResetModel();
emit roomChanged();
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}
void MessageEventModel::refreshEvent(const QString& eventId)
{
refreshEventRoles(eventId, {});
}
void MessageEventModel::refreshEventRoles(const QString& eventId,
const QVector<int> roles)
{
const auto it = m_currentRoom->findInTimeline(eventId);
if (it != m_currentRoom->timelineEdge())
{
const auto row = it - m_currentRoom->messageEvents().rbegin();
emit dataChanged(index(row), index(row), roles);
}
}
inline bool hasValidTimestamp(const QMatrixClient::TimelineItem& ti)
{
return ti->timestamp().isValid();
}
QDateTime MessageEventModel::makeMessageTimestamp(QMatrixClient::Room::rev_iter_t baseIt) const
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{
const auto& timeline = m_currentRoom->messageEvents();
auto ts = baseIt->event()->timestamp();
if (ts.isValid())
return ts;
// The event is most likely redacted or just invalid.
// Look for the nearest date around and slap zero time to it.
using QMatrixClient::TimelineItem;
auto rit = std::find_if(baseIt, timeline.rend(),
hasValidTimestamp);
if (rit != timeline.rend())
return { rit->event()->timestamp().date(), {0,0}, Qt::LocalTime };
auto it = std::find_if(baseIt.base(), timeline.end(), hasValidTimestamp);
if (it != timeline.end())
return { it->event()->timestamp().date(), {0,0}, Qt::LocalTime };
// What kind of room is that?..
qCritical() << "No valid timestamps in the room timeline!";
return {};
}
QString MessageEventModel::makeDateString(QMatrixClient::Room::rev_iter_t baseIt) const
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{
auto date = makeMessageTimestamp(baseIt).toLocalTime().date();
if (QMatrixClient::SettingsGroup("UI")
.value("banner_human_friendly_date", true).toBool())
{
if (date == QDate::currentDate())
return tr("Today");
if (date == QDate::currentDate().addDays(-1))
return tr("Yesterday");
if (date == QDate::currentDate().addDays(-2))
return tr("The day before yesterday");
if (date > QDate::currentDate().addDays(-7))
return date.toString("dddd");
}
return date.toString(Qt::DefaultLocaleShortDate);
}
int MessageEventModel::rowCount(const QModelIndex& parent) const
{
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if(!m_currentRoom || parent.isValid())
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return 0;
return m_currentRoom->timelineSize();
}
QVariant MessageEventModel::data(const QModelIndex& index, int role) const
{
if( !m_currentRoom ||
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index.row() < 0 || index.row() >= m_currentRoom->timelineSize())
return QVariant();
const auto timelineIt = m_currentRoom->messageEvents().rbegin() + index.row();
const auto& ti = *timelineIt;
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using namespace QMatrixClient;
if( role == Qt::DisplayRole )
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{
if (ti->isRedacted())
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{
auto reason = ti->redactedBecause()->reason();
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if (reason.isEmpty())
return tr("Redacted");
return tr("Redacted: %1")
.arg(ti->redactedBecause()->reason());
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}
return visit(*ti
, [this] (const RoomMessageEvent& e) -> QVariant {
using namespace MessageEventContent;
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if (e.hasTextContent() && e.mimeType().name() != "text/plain")
return static_cast<const TextContent*>(e.content())->body;
if (e.hasFileContent())
{
auto fileCaption = e.content()->fileInfo()->originalName;
if (fileCaption.isEmpty())
fileCaption = m_currentRoom->prettyPrint(e.plainBody());
if (fileCaption.isEmpty())
return tr("a file");
}
return m_currentRoom->prettyPrint(e.plainBody());
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}
, [this] (const RoomMemberEvent& e) -> QVariant {
// FIXME: Rewind to the name that was at the time of this event
QString subjectName = m_currentRoom->roomMembername(e.userId());
// The below code assumes senderName output in AuthorRole
switch( e.membership() )
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{
case MembershipType::Invite:
if (e.repeatsState())
return tr("reinvited %1 to the room").arg(subjectName);
FALLTHROUGH;
case MembershipType::Join:
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{
if (e.repeatsState())
return tr("joined the room (repeated)");
if (!e.prevContent() ||
e.membership() != e.prevContent()->membership)
{
return e.membership() == MembershipType::Invite
? tr("invited %1 to the room").arg(subjectName)
: tr("joined the room");
}
QString text {};
if (e.displayName() != e.prevContent()->displayName)
{
if (e.displayName().isEmpty())
text = tr("cleared the display name");
else
text = tr("changed the display name to %1")
.arg(e.displayName());
}
if (e.avatarUrl() != e.prevContent()->avatarUrl)
{
if (!text.isEmpty())
text += " and ";
if (e.avatarUrl().isEmpty())
text += tr("cleared the avatar");
else
text += tr("updated the avatar");
}
return text;
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}
case MembershipType::Leave:
if (e.prevContent() &&
e.prevContent()->membership == MembershipType::Ban)
{
return (e.senderId() != e.userId())
? tr("unbanned %1").arg(subjectName)
: tr("self-unbanned");
}
return (e.senderId() != e.userId())
? tr("has put %1 out of the room").arg(subjectName)
: tr("left the room");
case MembershipType::Ban:
return (e.senderId() != e.userId())
? tr("banned %1 from the room").arg(subjectName)
: tr("self-banned from the room");
case MembershipType::Knock:
return tr("knocked");
default:
;
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}
return tr("made something unknown");
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}
, [] (const RoomAliasesEvent& e) -> QVariant {
return tr("set aliases to: %1").arg(e.aliases().join(", "));
}
, [] (const RoomCanonicalAliasEvent& e) -> QVariant {
return (e.alias().isEmpty())
? tr("cleared the room main alias")
: tr("set the room main alias to: %1").arg(e.alias());
}
, [] (const RoomNameEvent& e) -> QVariant {
return (e.name().isEmpty())
? tr("cleared the room name")
: tr("set the room name to: %1").arg(e.name());
}
, [] (const RoomTopicEvent& e) -> QVariant {
return (e.topic().isEmpty())
? tr("cleared the topic")
: tr("set the topic to: %1").arg(e.topic());
}
, [] (const RoomAvatarEvent&) -> QVariant {
return tr("changed the room avatar");
}
, [] (const EncryptionEvent&) -> QVariant {
return tr("activated End-to-End Encryption");
}
, tr("Unknown Event")
);
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}
if( role == Qt::ToolTipRole )
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{
return ti->originalJson();
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}
if( role == EventTypeRole )
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{
if (ti->isStateEvent())
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return "state";
if (auto e = ti.viewAs<RoomMessageEvent>())
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{
switch (e->msgtype())
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{
case MessageEventType::Emote:
return "emote";
case MessageEventType::Notice:
return "notice";
case MessageEventType::Image:
return "image";
case MessageEventType::File:
case MessageEventType::Audio:
case MessageEventType::Video:
return "file";
default:
return "message";
}
}
return "other";
}
if (role == EventResolvedTypeRole)
return EventTypeRegistry::getMatrixType(ti->type());
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if( role == TimeRole )
return makeMessageTimestamp(timelineIt);
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if( role == SectionRole )
return makeDateString(timelineIt); // FIXME: move date rendering to QML
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if( role == AuthorRole )
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{
auto userId = ti->senderId();
// FIXME: It shouldn't be User, it should be its state "as of event"
return QVariant::fromValue(m_currentRoom->user(userId));
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}
if (role == ContentTypeRole)
{
if (is<RoomMessageEvent>(*ti))
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{
const auto& contentType =
ti.viewAs<RoomMessageEvent>()->mimeType().name();
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return contentType == "text/plain" ? "text/html" : contentType;
}
return "text/plain";
}
if (role == ContentRole)
{
if (ti->isRedacted())
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{
auto reason = ti->redactedBecause()->reason();
return (reason.isEmpty())
? tr("Redacted")
: tr("Redacted: %1").arg(ti->redactedBecause()->reason());
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}
if (is<RoomMessageEvent>(*ti))
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{
using namespace MessageEventContent;
auto* e = ti.viewAs<RoomMessageEvent>();
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switch (e->msgtype())
{
case MessageEventType::Image:
case MessageEventType::File:
case MessageEventType::Audio:
case MessageEventType::Video:
return QVariant::fromValue(e->content()->originalJson);
default:
;
}
}
}
if( role == HighlightRole )
return QVariant();
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if( role == ReadMarkerRole )
return ti->id() == lastReadEventId;
if( role == SpecialMarksRole )
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{
if (auto e = ti.viewAs<StateEventBase>())
if (e->repeatsState())
return "hidden";
return ti->isRedacted() ? "redacted" : "";
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}
if( role == EventIdRole )
return ti->id();
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if( role == LongOperationRole )
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{
if (is<RoomMessageEvent>(*ti) &&
ti.viewAs<RoomMessageEvent>()->hasFileContent())
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{
auto info = m_currentRoom->fileTransferInfo(ti->id());
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return QVariant::fromValue(info);
}
}
auto aboveEventIt = timelineIt + 1; // FIXME: shouldn't be here, because #312
if (aboveEventIt != m_currentRoom->timelineEdge())
{
if( role == AboveSectionRole )
return makeDateString(aboveEventIt);
if( role == AboveAuthorRole )
return QVariant::fromValue(
m_currentRoom->user((*aboveEventIt)->senderId()));
}
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return QVariant();
}
QHash<int, QByteArray> MessageEventModel::roleNames() const
{
QHash<int, QByteArray> roles = QAbstractItemModel::roleNames();
roles[EventTypeRole] = "eventType";
roles[EventIdRole] = "eventId";
roles[TimeRole] = "time";
roles[SectionRole] = "section";
roles[AboveSectionRole] = "aboveSection";
roles[AuthorRole] = "author";
roles[AboveAuthorRole] = "aboveAuthor";
roles[ContentRole] = "content";
roles[ContentTypeRole] = "contentType";
roles[HighlightRole] = "highlight";
roles[ReadMarkerRole] = "readMarker";
roles[SpecialMarksRole] = "marks";
roles[LongOperationRole] = "progressInfo";
roles[EventResolvedTypeRole] = "eventResolvedType";
return roles;
}