146 lines
3.9 KiB
C++
146 lines
3.9 KiB
C++
// SPDX-FileCopyrightText: 2023 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 "reactionmodel.h"
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#include <QDebug>
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#ifdef HAVE_ICU
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#include <QTextBoundaryFinder>
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#include <QTextCharFormat>
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#include <unicode/uchar.h>
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#include <unicode/urename.h>
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#endif
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#include <KLocalizedString>
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#include <Quotient/user.h>
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ReactionModel::ReactionModel(QObject *parent, QList<Reaction> reactions, Quotient::User *localUser)
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: QAbstractListModel(parent)
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, m_localUser(localUser)
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{
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setReactions(reactions);
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}
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QVariant ReactionModel::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid()) {
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return {};
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}
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if (index.row() >= rowCount()) {
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qDebug() << "ReactionModel, something's wrong: index.row() >= rowCount()";
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return {};
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}
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const auto &reaction = m_reactions.at(index.row());
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const auto isEmoji = [](const QString &text) {
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#ifdef HAVE_ICU
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QTextBoundaryFinder finder(QTextBoundaryFinder::Grapheme, text);
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int from = 0;
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while (finder.toNextBoundary() != -1) {
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auto to = finder.position();
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if (text[from].isSpace()) {
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from = to;
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continue;
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}
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auto first = text.mid(from, to - from).toUcs4()[0];
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if (!u_hasBinaryProperty(first, UCHAR_EMOJI_PRESENTATION)) {
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return false;
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}
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from = to;
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}
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return true;
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#else
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return false;
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#endif
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};
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const auto reactionText = isEmoji(reaction.reaction)
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? QStringLiteral("<span style=\"font-family: 'emoji';\">") + reaction.reaction + QStringLiteral("</span>")
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: reaction.reaction;
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if (role == TextContentRole) {
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if (reaction.authors.count() > 1) {
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return QStringLiteral("%1 %2").arg(reactionText, QString::number(reaction.authors.count()));
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} else {
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return reactionText;
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}
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}
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if (role == ReactionRole) {
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return reaction.reaction;
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}
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if (role == ToolTipRole) {
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QString text;
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for (int i = 0; i < reaction.authors.count() && i < 3; i++) {
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if (i != 0) {
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if (i < reaction.authors.count() - 1) {
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text += QStringLiteral(", ");
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} else {
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text += i18nc("Separate the usernames of users", " and ");
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}
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}
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text += reaction.authors.at(i).toMap()[QStringLiteral("displayName")].toString();
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}
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if (reaction.authors.count() > 3) {
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text += i18ncp("%1 is the number of other users", " and %1 other", " and %1 others", reaction.authors.count() - 3);
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}
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text = i18ncp("%2 is the users who reacted and %3 the emoji that was given",
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"%2 reacted with %3",
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"%2 reacted with %3",
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reaction.authors.count(),
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text,
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reactionText);
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return text;
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}
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if (role == AuthorsRole) {
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return reaction.authors;
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}
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if (role == HasLocalUser) {
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for (auto author : reaction.authors) {
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if (author.toMap()[QStringLiteral("id")] == m_localUser->id()) {
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return true;
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}
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}
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return false;
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}
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return {};
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}
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int ReactionModel::rowCount(const QModelIndex &parent) const
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{
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Q_UNUSED(parent)
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return m_reactions.count();
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}
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void ReactionModel::setReactions(QList<Reaction> reactions)
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{
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beginResetModel();
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m_reactions.clear();
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m_reactions = reactions;
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endResetModel();
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}
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QHash<int, QByteArray> ReactionModel::roleNames() const
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{
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return {
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{TextContentRole, "textContent"},
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{ReactionRole, "reaction"},
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{ToolTipRole, "toolTip"},
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{AuthorsRole, "authors"},
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{HasLocalUser, "hasLocalUser"},
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};
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}
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#include "moc_reactionmodel.cpp"
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