File indexing completed on 2024-05-19 05:38:25

 /*
     SPDX-FileCopyrightText: 2020 Mikhail Zolotukhin <zomial@protonmail.com>
 
     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #include <QDebug>
 #include <QDir>
 #include <QStandardPaths>
 #include <QUrl>
 
 #include <KIO/DeleteJob>
 
 #include "gtkthemesmodel.h"
 
 GtkThemesModel::GtkThemesModel(QObject *parent)
     : QAbstractListModel(parent)
     , m_selectedTheme(QStringLiteral("Breeze"))
     , m_themes()
 {
 }
 
 void GtkThemesModel::load()
 {
     QMap<QString, QString> gtk3ThemesNames;
 
     static const QStringList gtk3SubdirPattern(QStringLiteral("gtk-3.*"));
     for (const QString &possibleThemePath : possiblePathsToThemes()) {
         // If the directory contains any of gtk-3.X folders, it is the GTK3 theme for sure
         QDir possibleThemeDirectory(possibleThemePath);
         if (!possibleThemeDirectory.entryList(gtk3SubdirPattern, QDir::Dirs).isEmpty()) {
             // Do not show dark Breeze GTK variant, since the colors of it
             // are coming from the color scheme and selecting them here
             // is redundant and does not work
             if (possibleThemeDirectory.dirName() == QStringLiteral("Breeze-Dark")) {
                 continue;
             }
 
             gtk3ThemesNames.insert(possibleThemeDirectory.dirName(), possibleThemeDirectory.path());
         }
     }
 
     setThemesList(gtk3ThemesNames);
 }
 
 QString GtkThemesModel::themePath(const QString &themeName)
 {
     if (themeName.isEmpty()) {
         return QString();
     } else {
         return m_themes.constFind(themeName).value();
     }
 }
 
 QVariant GtkThemesModel::data(const QModelIndex &index, int role) const
 {
     if (!checkIndex(index)) {
         return QVariant();
     }
 
     auto it = m_themes.constBegin();
     std::advance(it, index.row());
 
     switch (role) {
     case Qt::DisplayRole:
     case Roles::ThemeNameRole:
         return it.key();
     case Roles::ThemePathRole:
         return it.value();
     default:
         return QVariant();
     }
 }
 
 QHash<int, QByteArray> GtkThemesModel::roleNames() const
 {
     QHash<int, QByteArray> roles = QAbstractListModel::roleNames();
     roles[Roles::ThemeNameRole] = "theme-name";
     roles[Roles::ThemePathRole] = "theme-path";
 
     return roles;
 }
 
 int GtkThemesModel::rowCount(const QModelIndex &parent) const
 {
     if (parent.isValid()) {
         return 0;
     }
     return m_themes.count();
 }
 
 void GtkThemesModel::setThemesList(const QMap<QString, QString> &themes)
 {
     beginResetModel();
     m_themes = themes;
     endResetModel();
 }
 
 QMap<QString, QString> GtkThemesModel::themesList()
 {
     return m_themes;
 }
 
 void GtkThemesModel::setSelectedTheme(const QString &themeName)
 {
     m_selectedTheme = themeName;
     Q_EMIT selectedThemeChanged(themeName);
 }
 
 QString GtkThemesModel::selectedTheme()
 {
     return m_selectedTheme;
 }
 
 QStringList GtkThemesModel::possiblePathsToThemes()
 {
     QStringList possibleThemesPaths;
 
     QStringList themesLocationsPaths =
         QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QStringLiteral("themes"), QStandardPaths::LocateDirectory);
     // TODO: Remove. See https://gitlab.gnome.org/GNOME/gtk/-/issues/6219 for when GTK plans to, and when we should,
     // remove it as well.
     themesLocationsPaths << QDir::homePath() + QStringLiteral("/.themes");
 
     for (const QString &themesLocationPath : std::as_const(themesLocationsPaths)) {
         const QStringList possibleThemesDirectoriesNames = QDir(themesLocationPath).entryList(QDir::NoDotAndDotDot | QDir::AllDirs);
         for (const QString &possibleThemeDirectoryName : possibleThemesDirectoriesNames) {
             possibleThemesPaths += themesLocationPath + '/' + possibleThemeDirectoryName;
         }
     }
 
     return possibleThemesPaths;
 }
 
 bool GtkThemesModel::selectedThemeRemovable()
 {
     return themePath(m_selectedTheme).contains(QDir::homePath());
 }
 
 void GtkThemesModel::removeSelectedTheme()
 {
     QString path = themePath(m_selectedTheme);
     KIO::DeleteJob *deleteJob = KIO::del(QUrl::fromLocalFile(path), KIO::HideProgressInfo);
     connect(deleteJob, &KJob::finished, this, [this]() {
         Q_EMIT themeRemoved();
     });
 }
 
 int GtkThemesModel::findThemeIndex(const QString &themeName)
 {
     return static_cast<int>(std::distance(m_themes.constBegin(), m_themes.constFind(themeName)));
 }
 
 void GtkThemesModel::setSelectedThemeDirty()
 {
     Q_EMIT selectedThemeChanged(m_selectedTheme);
 }