File indexing completed on 2024-04-21 16:18:22

 /*
  * This file is part of the KDE Milou Project
  * SPDX-FileCopyrightText: 2013 Vishesh Handa <me@vhanda.in>
  *
  * SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
  *
  */
 
 #include "sourcesmodel.h"
 
 #include <KConfig>
 #include <KDirWatch>
 #include <KSharedConfig>
 
 #include <QAction>
 #include <QMimeData>
 #include <QModelIndex>
 #include <QSet>
 
 using namespace Milou;
 
 SourcesModel::SourcesModel(QObject *parent)
     : QAbstractListModel(parent)
     , m_size(0)
 {
     m_manager = new Plasma::RunnerManager(this);
     connect(m_manager, &Plasma::RunnerManager::matchesChanged, this, &SourcesModel::slotMatchesChanged);
 
     KDirWatch *watch = KDirWatch::self();
     connect(watch, &KDirWatch::created, this, &SourcesModel::slotSettingsFileChanged);
     connect(watch, &KDirWatch::dirty, this, &SourcesModel::slotSettingsFileChanged);
     watch->addFile(QStandardPaths::locate(QStandardPaths::ConfigLocation, QStringLiteral("krunnerrc")));
 
     m_resetTimer.setSingleShot(true);
     m_resetTimer.setInterval(500);
     connect(&m_resetTimer, &QTimer::timeout, this, &SourcesModel::slotResetTimeout);
 }
 
 SourcesModel::~SourcesModel()
 {
 }
 
 QHash<int, QByteArray> SourcesModel::roleNames() const
 {
     QHash<int, QByteArray> roles = QAbstractListModel::roleNames();
     roles.insert(TypeRole, "type");
     roles.insert(SubtextRole, "subtext");
     roles.insert(ActionsRole, "actions");
     roles.insert(DuplicateRole, "isDuplicate");
     roles.insert(PreviewTypeRole, "previewType");
     roles.insert(PreviewUrlRole, "previewUrl");
     roles.insert(PreviewLabelRole, "previewLabel");
 
     return roles;
 }
 
 Plasma::QueryMatch SourcesModel::fetchMatch(int row) const
 {
     for (const QString &type : qAsConst(m_types)) {
         const TypeData data = m_matches.value(type);
         if (row < data.shown.size()) {
             return data.shown[row];
         } else {
             row -= data.shown.size();
             if (row < 0) {
                 break;
             }
         }
     }
 
     return Plasma::QueryMatch(nullptr);
 }
 
 QVariant SourcesModel::data(const QModelIndex &index, int role) const
 {
     if (!index.isValid()) {
         return QVariant();
     }
 
     if (index.row() >= m_size) {
         return QVariant();
     }
 
     Plasma::QueryMatch m = fetchMatch(index.row());
     Q_ASSERT(m.runner());
 
     switch (role) {
     case Qt::DisplayRole:
         return m.text();
 
     case Qt::DecorationRole:
         if (!m.iconName().isEmpty()) {
             return m.iconName();
         }
 
         return m.icon();
 
     case TypeRole:
         return m.matchCategory();
 
     case SubtextRole:
         return m.subtext();
 
     case ActionsRole: {
         const auto &actions = m_manager->actionsForMatch(m);
         if (actions.isEmpty()) {
             return QVariantList();
         }
 
         QVariantList actionsList;
         actionsList.reserve(actions.size());
 
         for (QAction *action : actions) {
             actionsList.append(QVariant::fromValue(action));
         }
 
         return actionsList;
     }
     case DuplicateRole:
         return m_duplicates.value(m.text());
 
         /*
     case PreviewTypeRole:
         return m.previewType();
 
     case PreviewUrlRole:
         return m.previewUrl();
 
     case PreviewLabelRole:
         return m.previewLabel();
         */
     }
 
     return QVariant();
 }
 
 int SourcesModel::rowCount(const QModelIndex &parent) const
 {
     if (parent.isValid()) {
         return 0;
     }
 
     return m_size;
 }
 
 QString SourcesModel::queryString() const
 {
     return m_queryString;
 }
 
 int SourcesModel::queryLimit() const
 {
     return m_queryLimit;
 }
 
 #if KRUNNER_BUILD_DEPRECATED_SINCE(5, 81)
 QString SourcesModel::runner() const
 {
     return m_runner;
 }
 
 void SourcesModel::setRunner(const QString &runner)
 {
     if (m_runner != runner) {
         m_runner = runner;
 
         m_manager->setSingleModeRunnerId(m_runner);
         m_manager->setSingleMode(!m_runner.isEmpty());
 
         Q_EMIT runnerChanged();
     }
 }
 
 QString SourcesModel::runnerName() const
 {
     auto *singleRunner = m_manager->singleModeRunner();
     if (!singleRunner) {
         return QString();
     }
 
     return singleRunner->name();
 }
 
 QIcon SourcesModel::runnerIcon() const
 {
     auto *singleRunner = m_manager->singleModeRunner();
     if (!singleRunner) {
         return QIcon();
     }
 
     return singleRunner->icon();
 }
 #endif
 
 void SourcesModel::setQueryLimit(int limit)
 {
     m_queryLimit = limit;
     /*
     foreach (AbstractSource* source, m_sources)
         source->setQueryLimit(limit);
     */
 }
 
 void SourcesModel::setQueryString(const QString &str)
 {
     if (str.trimmed() == m_queryString.trimmed()) {
         return;
     }
 
     m_queryString = str;
     if (m_queryString.isEmpty()) {
         clear();
         return;
     }
 
     // We avoid clearing the model instantly, and instead wait for the results
     // to show up, and only then do we clear the model. In the event
     // where there are no results, we wait for a predefined time before
     // clearing the model
     m_resetTimer.start();
 
     m_modelPopulated = false;
     m_manager->launchQuery(m_queryString, m_runner);
 }
 
 void SourcesModel::slotResetTimeout()
 {
     if (!m_modelPopulated) {
         // The old items are still shown, get rid of them
         beginResetModel();
         m_matches.clear();
         m_size = 0;
         m_duplicates.clear();
         endResetModel();
     }
 }
 
 void SourcesModel::slotMatchesChanged(const QList<Plasma::QueryMatch> &l)
 {
     // We do reset handling ourselves, so ignore clears if the reset timer
     // is supposed to handle them (see setQueryString)
     if (l.length() == 0 && m_resetTimer.isActive() && !m_modelPopulated) {
         return;
     }
 
     beginResetModel();
     m_matches.clear();
     m_size = 0;
     m_types.clear();
     m_duplicates.clear();
 
     QList<Plasma::QueryMatch> list(l);
     std::sort(list.begin(), list.end());
 
     for (auto it = list.crbegin(), end = list.crend(); it != end; ++it) {
         slotMatchAdded(*it);
     }
 
     // Sort the result types. We give the results which contain the query
     // text in the user visible string a higher preference than the ones
     // that do not
     // The rest are given the same preference as given by the runners.
     const QString simplifiedQuery = m_queryString.simplified();
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     const auto words = simplifiedQuery.splitRef(QLatin1Char(' '), Qt::SkipEmptyParts);
 #else
     const auto words = QStringView(simplifiedQuery).split(QLatin1Char(' '), Qt::SkipEmptyParts);
 #endif
     QSet<QString> higherTypes;
     for (const QString &type : qAsConst(m_types)) {
         const TypeData td = m_matches.value(type);
 
         for (const Plasma::QueryMatch &match : td.shown) {
             const QString text = match.text().simplified();
             bool containsAll = true;
 
             for (const auto &word : words) {
                 if (!text.contains(word, Qt::CaseInsensitive)) {
                     containsAll = false;
                     break;
                 }
             }
 
             // Maybe we should be giving it a higher type based on the number of matched
             // words in the text?
             if (containsAll) {
                 higherTypes << match.matchCategory();
             }
         }
     }
 
     auto sortFunc = [&](const QString &l, const QString &r) {
         bool lHigher = higherTypes.contains(l);
         bool rHigher = higherTypes.contains(r);
 
         if (lHigher == rHigher) {
             return false;
         } else {
             return lHigher;
         }
     };
     std::stable_sort(m_types.begin(), m_types.end(), sortFunc);
 
     m_modelPopulated = true;
     endResetModel();
 }
 
 //
 // Tries to make sure that all the types have the same number
 // of visible items
 //
 void SourcesModel::slotMatchAdded(const Plasma::QueryMatch &m)
 {
     if (m_queryString.isEmpty()) {
         return;
     }
 
     QString matchType = m.matchCategory();
 
     if (!m_types.contains(matchType)) {
         m_types << matchType;
     }
 
     if (m_size == m_queryLimit) {
         int maxShownItems = 0;
         QString maxShownType;
         for (const QString &type : qAsConst(m_types)) {
             TypeData data = m_matches.value(type);
             if (data.shown.size() >= maxShownItems) {
                 maxShownItems = data.shown.size();
                 maxShownType = type;
             }
         }
 
         if (maxShownType == matchType) {
             m_matches[matchType].hidden.append(m);
             return;
         }
 
         // Remove the last shown row from maxShownType
         // and add it to matchType
         Plasma::QueryMatch transferMatch = m_matches[maxShownType].shown.takeLast();
         m_matches[maxShownType].hidden.append(transferMatch);
         m_size--;
         m_duplicates[transferMatch.text()]--;
     }
 
     m_matches[matchType].shown.append(m);
     m_size++;
     m_duplicates[m.text()]++;
 }
 
 void SourcesModel::slotSettingsFileChanged(const QString &path)
 {
     if (!path.endsWith(QLatin1String("krunnerrc"))) {
         return;
     }
 
     reloadConfiguration();
 }
 
 void SourcesModel::clear()
 {
     beginResetModel();
     m_matches.clear();
     m_size = 0;
     m_duplicates.clear();
     m_queryString.clear();
     m_manager->reset();
     m_manager->matchSessionComplete();
     endResetModel();
 }
 
 bool SourcesModel::run(int index)
 {
     Plasma::QueryMatch match = fetchMatch(index);
     Q_ASSERT(match.runner());
 
 #if KRUNNER_ENABLE_DEPRECATED_SINCE(5, 99)
     if (match.type() == Plasma::QueryMatch::InformationalMatch) {
         QString info = match.data().toString();
         int editPos = info.length();
 
         if (!info.isEmpty()) {
             // FIXME: pretty lame way to decide if this is a query prototype
             // Copied from kde4 krunner interface.cpp
             if (match.runner() == nullptr) {
                 // lame way of checking to see if this is a Help Button generated match!
                 int index = info.indexOf(QStringLiteral(":q:"));
 
                 if (index != -1) {
                     editPos = index;
                     info.replace(QStringLiteral(":q:"), QString());
                 }
             }
 
             Q_EMIT updateSearchTerm(info, editPos);
             return false;
         }
     }
 #endif
 
     m_manager->run(match);
     return true;
 }
 
 bool SourcesModel::runAction(int index, int actionIndex)
 {
     Plasma::QueryMatch match = fetchMatch(index);
     Q_ASSERT(match.runner());
 
     const auto &actions = m_manager->actionsForMatch(match);
     if (actionIndex < 0 || actionIndex >= actions.count()) {
         return false;
     }
 
     QAction *action = actions.at(actionIndex);
     match.setSelectedAction(action);
     m_manager->run(match);
     return true;
 }
 
 void SourcesModel::reloadConfiguration()
 {
     KSharedConfig::openConfig(QStringLiteral("krunnerrc"))->reparseConfiguration();
     m_manager->reloadConfiguration();
 }
 
 QMimeData *SourcesModel::getMimeData(int index) const
 {
     Plasma::QueryMatch match = fetchMatch(index);
     Q_ASSERT(match.runner());
 
     // we're returning a parent-less QObject from a Q_INVOKABLE
     // which means the QML engine will take care of deleting it eventually
     QMimeData *mimeData = m_manager->mimeDataForMatch(match);
 
     return mimeData;
 }