File indexing completed on 2024-06-16 04:41:28

 /*
     SPDX-FileCopyrightText: 2008 Urs Wolfer <uwolfer@kde.org>
     SPDX-FileCopyrightText: 2009 Tony Murray <murraytony@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "remotedesktopsmodel.h"
 #include "krdc_debug.h"
 
 #include <KFormat>
 #include <KLocalizedString>
 #ifdef BUILD_ZEROCONF
 #include <KDNSSD/RemoteService>
 #include <KDNSSD/ServiceBrowser>
 #include <kdnssd_version.h>
 #endif
 #include <QLoggingCategory>
 #include <QObject>
 #include <QStandardPaths>
 
 RemoteDesktopsModel::RemoteDesktopsModel(QObject *parent, KBookmarkManager *manager)
     : QAbstractTableModel(parent)
 {
     m_manager = manager;
     connect(m_manager, SIGNAL(changed(QString, QString)), SLOT(bookmarksChanged()));
     buildModelFromBookmarkGroup(m_manager->root());
 
 #ifdef BUILD_ZEROCONF
     // Add RDP and NX if they start announcing via Zeroconf:
     m_protocols[QLatin1String("_rfb._tcp")] = QLatin1String("vnc");
 
     zeroconfBrowser = new KDNSSD::ServiceBrowser(QLatin1String("_rfb._tcp"), true);
     connect(zeroconfBrowser, SIGNAL(finished()), this, SLOT(servicesChanged()));
     zeroconfBrowser->startBrowse();
     qCDebug(KRDC) << "Browsing for zeroconf hosts.";
 #endif
 }
 
 RemoteDesktopsModel::~RemoteDesktopsModel()
 {
 }
 
 int RemoteDesktopsModel::columnCount(const QModelIndex &) const
 {
     return 6; // same as count of RemoteDesktopsModel::DisplayItems enum
 }
 
 int RemoteDesktopsModel::rowCount(const QModelIndex &) const
 {
     return remoteDesktops.size();
 }
 
 Qt::ItemFlags RemoteDesktopsModel::flags(const QModelIndex &index) const
 {
     if (!index.isValid())
         return Qt::NoItemFlags;
     if (index.column() == RemoteDesktopsModel::Favorite) {
         return Qt::ItemIsEnabled | Qt::ItemIsUserCheckable;
     }
     return Qt::ItemIsEnabled;
 }
 
 bool RemoteDesktopsModel::setData(const QModelIndex &index, const QVariant &value, int role)
 {
     if (index.isValid() && role == Qt::CheckStateRole && index.column() == RemoteDesktopsModel::Favorite) {
         bool checked = (Qt::CheckState)value.toUInt() == Qt::Checked;
         remoteDesktops[index.row()].favorite = checked;
 
         RemoteDesktop rd = remoteDesktops.at(index.row());
         if (checked) {
             KBookmarkGroup root = m_manager->root();
             root.addBookmark(rd.title, QUrl(rd.url), QString());
             m_manager->emitChanged(root);
         } else {
             BookmarkManager::removeByUrl(m_manager, rd.url, true, rd.title);
         }
         return true;
     }
     return false;
 }
 
 QVariant RemoteDesktopsModel::data(const QModelIndex &index, int role) const
 {
     if (!index.isValid())
         return QVariant();
 
     RemoteDesktop item = remoteDesktops.at(index.row());
 
     switch (role) {
     case Qt::DisplayRole:
         switch (index.column()) {
         case RemoteDesktopsModel::Favorite:
             return item.favorite;
         case RemoteDesktopsModel::Title:
             return item.title;
         case RemoteDesktopsModel::LastConnected:
             return QVariant(item.lastConnected);
         case RemoteDesktopsModel::VisitCount:
             return item.visits;
         case RemoteDesktopsModel::Created:
             if (item.created.isNull())
                 return QVariant();
             return QLocale().toString(item.created.toLocalTime(), QLocale::FormatType::ShortFormat);
         case RemoteDesktopsModel::Source:
             switch (item.source) {
             case RemoteDesktop::Bookmarks:
                 return i18nc("Where each displayed link comes from", "Bookmarks");
             case RemoteDesktop::History:
                 return i18nc("Where each displayed link comes from", "History");
             case RemoteDesktop::Zeroconf:
                 return i18nc("Where each displayed link comes from", "Zeroconf");
             case RemoteDesktop::None:
                 return i18nc("Where each displayed link comes from", "None");
             }
             // fall-through
         default:
             return QVariant();
         }
 
     case Qt::CheckStateRole:
         if (index.column() == RemoteDesktopsModel::Favorite)
             return item.favorite ? Qt::Checked : Qt::Unchecked;
         return QVariant();
 
     case Qt::ToolTipRole:
         switch (index.column()) {
         case RemoteDesktopsModel::Favorite:
             if (item.favorite) {
                 return i18nc("Remove the selected url from the bookarks menu", "Remove the bookmark for %1.", item.title);
             } else {
                 return i18nc("Add the selected url to the bookmarks menu", "Bookmark %1.", item.title);
             }
         case RemoteDesktopsModel::LastConnected:
             if (!item.lastConnected.isNull()) {
                 return QLocale().toString(item.lastConnected.toLocalTime(), QLocale::FormatType::LongFormat);
             }
             break; // else show default tooltip
         case RemoteDesktopsModel::Created:
             if (!item.created.isNull()) {
                 return QLocale().toString(item.lastConnected.toLocalTime(), QLocale::FormatType::LongFormat);
             }
             break; // else show default tooltip
         default:
             break;
         }
         return item.url; // use the url for the tooltip
 
     case 10001: // url for dockwidget
         return item.url;
 
     case 10002: // filter
         return QUrl::fromPercentEncoding(QString(item.url + item.title).toUtf8()); // return both user visible title and url data, percent encoded
 
     case 10003: // title for dockwidget
         return item.title;
 
     default:
         return QVariant();
     }
 }
 
 QVariant RemoteDesktopsModel::headerData(int section, Qt::Orientation orientation, int role) const
 {
     if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
         switch (section) {
         case RemoteDesktopsModel::Favorite:
             return QVariant(); // the favorite column is to small for a header
         case RemoteDesktopsModel::Title:
             return i18nc("Header of the connections list, title/url for remote connection", "Remote Desktop");
         case RemoteDesktopsModel::LastConnected:
             return i18nc("Header of the connections list, the last time this connection was initiated", "Last Connected");
         case RemoteDesktopsModel::VisitCount:
             return i18nc("Header of the connections list, the number of times this connection has been visited", "Visits");
         case RemoteDesktopsModel::Created:
             return i18nc("Header of the connections list, the time when this entry was created", "Created");
         case RemoteDesktopsModel::Source:
             return i18nc("Header of the connections list, where this entry comes from", "Source");
         }
     }
     return QVariant();
 }
 
 // does not trigger view update, you must do this by hand after using this function
 void RemoteDesktopsModel::removeAllItemsFromSources(RemoteDesktop::Sources sources)
 {
     QMutableListIterator<RemoteDesktop> iter(remoteDesktops);
     while (iter.hasNext()) {
         iter.next();
         // if it matches any of the specified sources, remove it
         if ((iter.value().source & sources) > 0)
             iter.remove();
     }
 }
 
 void RemoteDesktopsModel::bookmarksChanged()
 {
     removeAllItemsFromSources(RemoteDesktop::Bookmarks | RemoteDesktop::History);
     buildModelFromBookmarkGroup(m_manager->root());
     beginResetModel();
     endResetModel();
 }
 
 // Danger Will Roobinson, confusing code ahead!
 void RemoteDesktopsModel::buildModelFromBookmarkGroup(const KBookmarkGroup &group)
 {
     KBookmark bm = group.first();
     while (!bm.isNull()) {
         if (bm.isGroup()) {
             // recurse subfolders and treat it special if it is the history folder
             buildModelFromBookmarkGroup(bm.toGroup());
         } else { // not a group
 
             RemoteDesktop item;
             item.title = bm.fullText();
             item.url = bm.url().url();
             int index = remoteDesktops.indexOf(item); // search for this url to see if we need to update it
             bool newItem = index < 0; // do we need to create a new item?
 
             // we want to merge all copies of a url into one link, so if the item exists, update it
             if (group.metaDataItem(QLatin1String("krdc-history")) == QLatin1String("historyfolder")) {
                 // set source and favorite (will override later if needed)
                 item.source = RemoteDesktop::History;
                 item.favorite = false;
 
                 // since we are in the history folder collect statistics and add them
                 QDateTime connected = QDateTime();
                 QDateTime created = QDateTime();
                 bool ok = false;
                 // first the created datetime
                 created = QDateTime::fromSecsSinceEpoch(bm.metaDataItem(QLatin1String("time_added")).toLongLong(&ok));
                 if (ok)
                     (newItem ? item : remoteDesktops[index]).created = created;
                 // then the last visited datetime
                 ok = false;
                 connected = QDateTime::fromSecsSinceEpoch(bm.metaDataItem(QLatin1String("time_visited")).toLongLong(&ok));
                 if (ok)
                     (newItem ? item : remoteDesktops[index]).lastConnected = connected;
                 // finally the visited count
                 ok = false;
                 int visits = bm.metaDataItem(QLatin1String("visit_count")).toInt(&ok);
                 if (ok)
                     (newItem ? item : remoteDesktops[index]).visits = visits;
             } else {
                 if (newItem) {
                     // if this is a new item, just add the rest of the required data
                     item.lastConnected = QDateTime();
                     item.created = QDateTime();
                     item.visits = 0;
                     item.favorite = true;
                     item.source = RemoteDesktop::Bookmarks;
                 } else {
                     // otherwise override these fields with the info from the bookmark
                     remoteDesktops[index].title = bm.fullText();
                     remoteDesktops[index].favorite = true;
                     remoteDesktops[index].source = RemoteDesktop::Bookmarks;
                 }
             }
             // if we have a new item, add it
             if (newItem)
                 remoteDesktops.append(item);
         }
         bm = group.next(bm); // next item in the group
     }
 }
 
 #ifdef BUILD_ZEROCONF
 void RemoteDesktopsModel::servicesChanged()
 {
     // redo list because it is easier than finding and removing one that disappeared
     const QList<KDNSSD::RemoteService::Ptr> services = zeroconfBrowser->services();
     QUrl url;
     removeAllItemsFromSources(RemoteDesktop::Zeroconf);
     for (const KDNSSD::RemoteService::Ptr &service : services) {
         url.setScheme(m_protocols[service->type()].toLower());
         url.setHost(service->hostName());
         url.setPort(service->port());
 
         RemoteDesktop item;
         item.url = url.url();
 
         if (!remoteDesktops.contains(item)) {
             item.title = service->serviceName();
             item.source = RemoteDesktop::Zeroconf;
             item.created = QDateTime::currentDateTime();
             item.favorite = false;
             item.visits = 0;
             remoteDesktops.append(item);
         }
     }
     beginResetModel();
     endResetModel();
 }
 #endif