716ae11941
Turns out I forgot that an encrypted event is not a roommessage event so we need to handle this when grabbing the content model for the message.
493 lines
16 KiB
C++
493 lines
16 KiB
C++
// SPDX-FileCopyrightText: 2024 James Graham <james.h.graham@protonmail.com>
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// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
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#include "messagemodel.h"
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#include "neochatconfig.h"
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#include <Quotient/events/encryptedevent.h>
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#include <Quotient/events/roommessageevent.h>
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#include <Quotient/events/stickerevent.h>
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#if Quotient_VERSION_MINOR > 9 || (Quotient_VERSION_MINOR == 9 && Quotient_VERSION_PATCH > 1)
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#include <Quotient/thread.h>
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#endif
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#include <KFormat>
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#include "enums/delegatetype.h"
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#include "enums/messagecomponenttype.h"
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#include "eventhandler.h"
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#include "events/pollevent.h"
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#include "models/reactionmodel.h"
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#include "neochatroommember.h"
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using namespace Quotient;
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MessageModel::MessageModel(QObject *parent)
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: QAbstractListModel(parent)
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{
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connect(this, &MessageModel::newEventAdded, this, &MessageModel::createEventObjects);
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connect(this, &MessageModel::modelAboutToBeReset, this, [this]() {
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resetting = true;
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});
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connect(this, &MessageModel::modelReset, this, [this]() {
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resetting = false;
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});
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connect(NeoChatConfig::self(), &NeoChatConfig::ThreadsChanged, this, [this]() {
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beginResetModel();
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endResetModel();
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});
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}
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NeoChatRoom *MessageModel::room() const
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{
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return m_room;
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}
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void MessageModel::setRoom(NeoChatRoom *room)
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{
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if (room == m_room) {
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return;
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}
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clearModel();
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beginResetModel();
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m_room = room;
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if (m_room != nullptr) {
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m_room->setVisible(true);
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}
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Q_EMIT roomChanged();
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endResetModel();
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}
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int MessageModel::timelineServerIndex() const
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{
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return 0;
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}
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std::optional<std::reference_wrapper<const Quotient::RoomEvent>> MessageModel::getEventForIndex(QModelIndex index) const
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{
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Q_UNUSED(index)
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return std::nullopt;
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}
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static NeochatRoomMember *emptyNeochatRoomMember = new NeochatRoomMember;
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QVariant MessageModel::data(const QModelIndex &idx, int role) const
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{
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if (!checkIndex(idx, QAbstractItemModel::CheckIndexOption::IndexIsValid)) {
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return {};
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}
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const auto row = idx.row();
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if (!m_room || row < 0 || row >= rowCount()) {
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return {};
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};
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if (m_lastReadEventIndex.row() == row) {
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switch (role) {
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case DelegateTypeRole:
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return DelegateType::ReadMarker;
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case TimeRole: {
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const QDateTime eventDate = data(index(m_lastReadEventIndex.row() + 1, 0), TimeRole).toDateTime().toLocalTime();
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static const KFormat format;
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return format.formatRelativeDateTime(eventDate, QLocale::ShortFormat);
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}
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case SpecialMarksRole:
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// Check if all the earlier events in the timeline are hidden. If so hide this.
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for (auto r = row - 1; r >= 0; --r) {
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const auto specialMark = index(r).data(SpecialMarksRole);
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if (!(specialMark == EventStatus::Hidden || specialMark == EventStatus::Replaced)) {
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return EventStatus::Normal;
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}
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}
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return EventStatus::Hidden;
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}
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return {};
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}
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bool isPending = row < timelineServerIndex();
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const auto event = getEventForIndex(idx);
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if (!event.has_value()) {
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return {};
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}
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if (role == Qt::DisplayRole) {
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return EventHandler::richBody(m_room, &event.value().get());
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}
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if (role == ContentModelRole) {
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if (event->get().is<EncryptedEvent>()) {
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return QVariant::fromValue<MessageContentModel *>(m_room->contentModelForEvent(event->get().id()));
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}
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auto roomMessageEvent = eventCast<const RoomMessageEvent>(&event.value().get());
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if (NeoChatConfig::self()->threads() && roomMessageEvent && roomMessageEvent->isThreaded()) {
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return QVariant::fromValue<MessageContentModel *>(m_room->contentModelForEvent(roomMessageEvent->threadRootEventId()));
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}
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return QVariant::fromValue<MessageContentModel *>(m_room->contentModelForEvent(&event->get()));
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}
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if (role == GenericDisplayRole) {
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return EventHandler::genericBody(m_room, &event.value().get());
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}
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if (role == DelegateTypeRole) {
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return DelegateType::typeForEvent(event.value().get());
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}
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if (role == AuthorRole) {
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QString mId;
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if (isPending) {
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mId = m_room->localMember().id();
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} else {
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mId = event.value().get().senderId();
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}
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if (!m_room->isMember(mId)) {
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return QVariant::fromValue<NeochatRoomMember *>(emptyNeochatRoomMember);
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}
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return QVariant::fromValue<NeochatRoomMember *>(m_room->qmlSafeMember(mId));
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}
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if (role == HighlightRole) {
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return EventHandler::isHighlighted(m_room, &event.value().get());
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}
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if (role == SpecialMarksRole) {
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if (isPending) {
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// A pending event with an m.new_content key will be merged into the
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// original event so don't show.
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if (event.value().get().contentJson().contains("m.new_content"_L1)) {
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return EventStatus::Hidden;
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}
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const auto pendingIt = m_room->findPendingEvent(event->get().transactionId());
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if (pendingIt == m_room->pendingEvents().end()) {
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return EventStatus::Hidden;
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}
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return pendingIt->deliveryStatus();
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}
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if (EventHandler::isHidden(m_room, &event.value().get())) {
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return EventStatus::Hidden;
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}
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auto roomMessageEvent = eventCast<const RoomMessageEvent>(&event.value().get());
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#if Quotient_VERSION_MINOR > 9 || (Quotient_VERSION_MINOR == 9 && Quotient_VERSION_PATCH > 1)
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if (roomMessageEvent && (roomMessageEvent->isThreaded() || m_room->threads().contains(event.value().get().id()))) {
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const auto &thread = m_room->threads().value(roomMessageEvent->isThreaded() ? roomMessageEvent->threadRootEventId() : event.value().get().id());
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if (thread.latestEventId != event.value().get().id()) {
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return EventStatus::Hidden;
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}
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}
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#else
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if (roomMessageEvent && roomMessageEvent->isThreaded() && roomMessageEvent->threadRootEventId() != event.value().get().id()
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&& NeoChatConfig::threads()) {
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return EventStatus::Hidden;
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}
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#endif
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return EventStatus::Normal;
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}
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if (role == EventIdRole) {
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return event.value().get().displayId();
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}
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if (role == ProgressInfoRole) {
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if (auto e = eventCast<const RoomMessageEvent>(&event.value().get())) {
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if (e->has<EventContent::FileContent>() || e->has<EventContent::ImageContent>() || e->has<EventContent::VideoContent>()
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|| e->has<EventContent::AudioContent>()) {
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return QVariant::fromValue(m_room->cachedFileTransferInfo(&event.value().get()));
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}
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}
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if (eventCast<const StickerEvent>(&event.value().get())) {
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return QVariant::fromValue(m_room->cachedFileTransferInfo(&event.value().get()));
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}
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return {};
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}
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if (role == TimeRole) {
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return EventHandler::time(m_room, &event.value().get(), isPending);
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}
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if (role == SectionRole) {
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return EventHandler::timeString(m_room, &event.value().get(), true, QLocale::ShortFormat, isPending);
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}
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if (role == IsThreadedRole) {
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if (!NeoChatConfig::self()->threads()) {
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return false;
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}
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if (auto roomMessageEvent = eventCast<const RoomMessageEvent>(&event.value().get())) {
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return roomMessageEvent->isThreaded();
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}
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return {};
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}
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if (role == ThreadRootRole) {
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auto roomMessageEvent = eventCast<const RoomMessageEvent>(&event.value().get());
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if (roomMessageEvent && roomMessageEvent->isThreaded()) {
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return roomMessageEvent->threadRootEventId();
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}
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return {};
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}
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if (role == ShowSectionRole) {
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for (auto r = row + 1; r < rowCount(); ++r) {
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auto i = index(r);
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// Note !itemData(i).empty() is a check for instances where rows have been removed, e.g. when the read marker is moved.
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// While the row is removed the subsequent row indexes are not changed so we need to skip over the removed index.
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// See - https://doc.qt.io/qt-5/qabstractitemmodel.html#beginRemoveRows
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if (data(i, SpecialMarksRole) != EventStatus::Hidden && !itemData(i).empty()) {
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const auto day = data(idx, TimeRole).toDateTime().toLocalTime().date().dayOfYear();
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const auto previousEventDay = data(i, TimeRole).toDateTime().toLocalTime().date().dayOfYear();
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return day != previousEventDay;
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}
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}
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return false;
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}
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if (role == ReadMarkersRole) {
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if (m_readMarkerModels.contains(event.value().get().id())) {
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return QVariant::fromValue<ReadMarkerModel *>(m_readMarkerModels[event.value().get().id()].get());
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} else {
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return QVariantList();
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}
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}
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if (role == ShowReadMarkersRole) {
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return m_readMarkerModels.contains(event.value().get().id());
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}
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if (role == VerifiedRole) {
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if (event.value().get().originalEvent()) {
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auto encrypted = dynamic_cast<const EncryptedEvent *>(event.value().get().originalEvent());
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Q_ASSERT(encrypted);
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return m_room->connection()->isVerifiedSession(encrypted->sessionId().toLatin1());
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}
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return false;
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}
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if (role == AuthorDisplayNameRole) {
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return EventHandler::authorDisplayName(m_room, &event.value().get(), isPending);
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}
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if (role == IsRedactedRole) {
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return event.value().get().isRedacted();
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}
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if (role == IsPendingRole) {
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return row < static_cast<int>(m_room->pendingEvents().size());
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}
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if (role == MediaInfoRole) {
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return EventHandler::mediaInfo(m_room, &event.value().get());
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}
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if (role == IsEditableRole) {
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return MessageComponentType::typeForEvent(event.value().get()) == MessageComponentType::Text
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&& event.value().get().senderId() == m_room->localMember().id();
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}
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if (role == ShowAuthorRole) {
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return true;
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}
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return {};
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}
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QHash<int, QByteArray> MessageModel::roleNames() const
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{
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QHash<int, QByteArray> roles = QAbstractItemModel::roleNames();
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roles[DelegateTypeRole] = "delegateType";
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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[AuthorRole] = "author";
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roles[HighlightRole] = "isHighlighted";
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roles[SpecialMarksRole] = "marks";
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roles[ProgressInfoRole] = "progressInfo";
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roles[IsThreadedRole] = "isThreaded";
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roles[ThreadRootRole] = "threadRoot";
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roles[ShowSectionRole] = "showSection";
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roles[ReadMarkersRole] = "readMarkers";
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roles[ShowReadMarkersRole] = "showReadMarkers";
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roles[VerifiedRole] = "verified";
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roles[AuthorDisplayNameRole] = "authorDisplayName";
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roles[IsRedactedRole] = "isRedacted";
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roles[GenericDisplayRole] = "genericDisplay";
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roles[IsPendingRole] = "isPending";
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roles[ContentModelRole] = "contentModel";
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roles[MediaInfoRole] = "mediaInfo";
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roles[IsEditableRole] = "isEditable";
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roles[ShowAuthorRole] = "showAuthor";
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return roles;
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}
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int MessageModel::eventIdToRow(const QString &eventID) const
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{
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if (m_room == nullptr) {
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return -1;
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}
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const auto it = m_room->findInTimeline(eventID);
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if (it == m_room->historyEdge()) {
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// qWarning() << "Trying to find inexistent event:" << eventID;
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return -1;
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}
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return it - m_room->messageEvents().rbegin() + timelineServerIndex();
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}
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void MessageModel::fullEventRefresh(int row)
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{
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auto roles = roleNames().keys();
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// The author of an event never changes so should only be updated when a member
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// changed signal is emitted.
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// This also avoids any race conditions where a member is updating and this refresh
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// tries to access a member event that has already been deleted.
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roles.removeAll(AuthorRole);
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refreshEventRoles(row, roles);
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}
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void MessageModel::refreshEventRoles(int row, const QList<int> &roles)
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{
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const auto idx = index(row);
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Q_EMIT dataChanged(idx, idx, roles);
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}
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int MessageModel::refreshEventRoles(const QString &id, const QList<int> &roles)
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{
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// On 64-bit platforms, difference_type for std containers is long long
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// but Qt uses int throughout its interfaces; hence casting to int below.
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int row = -1;
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// First try pendingEvents because it is almost always very short.
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const auto pendingIt = m_room->findPendingEvent(id);
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if (pendingIt != m_room->pendingEvents().end()) {
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row = int(pendingIt - m_room->pendingEvents().begin());
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} else {
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const auto timelineIt = m_room->findInTimeline(id);
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if (timelineIt == m_room->historyEdge()) {
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return -1;
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}
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row = int(timelineIt - m_room->messageEvents().rbegin()) + timelineServerIndex();
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if (data(index(row, 0), DelegateTypeRole).toInt() == DelegateType::ReadMarker || data(index(row, 0), DelegateTypeRole).toInt() == DelegateType::Other) {
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row++;
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}
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}
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refreshEventRoles(row, roles);
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return row;
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}
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void MessageModel::refreshLastUserEvents(int baseTimelineRow)
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{
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if (!m_room || m_room->timelineSize() <= baseTimelineRow) {
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return;
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}
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const auto &timelineBottom = m_room->messageEvents().rbegin();
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const auto &lastSender = (*(timelineBottom + baseTimelineRow))->senderId();
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const auto limit = timelineBottom + std::min(baseTimelineRow + 10, m_room->timelineSize());
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for (auto it = timelineBottom + std::max(baseTimelineRow - 10, 0); it != limit; ++it) {
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if ((*it)->senderId() == lastSender) {
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fullEventRefresh(it - timelineBottom);
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}
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}
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}
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void MessageModel::createEventObjects(const Quotient::RoomEvent *event, bool isPending)
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{
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if (event == nullptr) {
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return;
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}
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// We only create the poll handler for event acknowledged by the server as we need
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// an ID
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if (!event->id().isEmpty() && event->is<PollStartEvent>()) {
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m_room->createPollHandler(eventCast<const PollStartEvent>(event));
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}
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auto eventId = event->id();
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auto senderId = event->senderId();
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if (eventId.isEmpty()) {
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eventId = event->transactionId();
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}
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// A pending event might not have a sender ID set yet but in that case it must
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// be the local member.
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if (senderId.isEmpty()) {
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senderId = m_room->localMember().id();
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}
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// ReadMarkerModel handles updates to add and remove markers, we only need to
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// handle adding and removing whole models here.
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if (m_readMarkerModels.contains(eventId)) {
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// If a model already exists but now has no reactions remove it
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if (m_readMarkerModels[eventId]->rowCount() <= 0) {
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m_readMarkerModels.remove(eventId);
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if (!resetting) {
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refreshEventRoles(eventId, {ReadMarkersRole, ShowReadMarkersRole});
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}
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}
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} else {
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auto memberIds = m_room->userIdsAtEvent(eventId);
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memberIds.remove(m_room->localMember().id());
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if (memberIds.size() > 0) {
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// If a model doesn't exist and there are reactions add it.
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auto newModel = QSharedPointer<ReadMarkerModel>(new ReadMarkerModel(eventId, m_room));
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if (newModel->rowCount() > 0) {
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m_readMarkerModels[eventId] = newModel;
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if (!resetting) {
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refreshEventRoles(eventId, {ReadMarkersRole, ShowReadMarkersRole});
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}
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}
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}
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}
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}
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void MessageModel::clearModel()
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{
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if (m_room) {
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const auto oldRoom = m_room;
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// HACK: Reset the model to a null room first to make sure QML dismantles
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// last room's objects before the room is actually changed
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beginResetModel();
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m_room->disconnect(this);
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m_room = nullptr;
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endResetModel();
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// Because we don't want any of the object deleted before the model is cleared.
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oldRoom->setVisible(false);
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}
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// Don't clear the member objects until the model has been fully reset and all
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// refs cleared.
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clearEventObjects();
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}
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void MessageModel::clearEventObjects()
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{
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m_readMarkerModels.clear();
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}
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bool MessageModel::event(QEvent *event)
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{
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if (event->type() == QEvent::ApplicationPaletteChange) {
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Q_EMIT dataChanged(index(0, 0), index(rowCount() - 1, 0), {AuthorRole, ReadMarkersRole});
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}
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return QObject::event(event);
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}
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ThreadModel *MessageModel::threadModelForRootId(const QString &threadRootId) const
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{
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return m_room->modelForThread(threadRootId);
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}
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#include "moc_messagemodel.cpp"
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