Implement tracker list in the side panel. Closes #170.

src/core/qtlibtorrent/qbtsession.cpp

@@ -1278,6 +1278,7 @@ void QBtSession::loadTorrentTempData(QTorrentHandle &h, QString savePath, bool m
 
 void QBtSession::mergeTorrents(QTorrentHandle& h_ex, const QString& magnet_uri)
 {
+    QString hash = h_ex.hash();
     QList<QUrl> new_trackers = misc::magnetUriToTrackers(magnet_uri);
     bool trackers_added = false;
     foreach (const QUrl& new_tracker, new_trackers) {
@@ -1293,6 +1294,7 @@ void QBtSession::mergeTorrents(QTorrentHandle& h_ex, const QString& magnet_uri)
         if (!found) {
             h_ex.add_tracker(announce_entry(new_tracker.toString().toStdString()));
             trackers_added = true;
+            emit trackerAdded(new_tracker.toString(), hash);
         }
     }
     if (trackers_added)
@@ -1302,6 +1304,7 @@ void QBtSession::mergeTorrents(QTorrentHandle& h_ex, const QString& magnet_uri)
 void QBtSession::mergeTorrents(QTorrentHandle &h_ex, boost::intrusive_ptr<torrent_info> t) {
     // Check if the torrent contains trackers or url seeds we don't know about
     // and add them
+    QString hash = h_ex.hash();
     if (!h_ex.is_valid()) return;
     std::vector<announce_entry> existing_trackers = h_ex.trackers();
     std::vector<announce_entry> new_trackers = t->trackers();
@@ -1320,6 +1323,7 @@ void QBtSession::mergeTorrents(QTorrentHandle &h_ex, boost::intrusive_ptr<torren
         if (!found) {
             h_ex.add_tracker(announce_entry(new_tracker_url));
             trackers_added = true;
+            emit trackerAdded(new_tracker_url.c_str(), hash);
         }
     }
 

src/core/qtlibtorrent/qbtsession.h

@@ -288,6 +288,7 @@ private slots:
     void metadataReceivedHidden(const QTorrentHandle &h);
     void stateUpdate(const std::vector<libtorrent::torrent_status> &statuses);
     void statsReceived(const libtorrent::stats_alert&);
+    void trackerAdded(const QString &tracker, const QString &hash);
 
 private:
     // Bittorrent

src/core/qtlibtorrent/torrentmodel.cpp

@@ -312,6 +312,11 @@ QVariant TorrentModelItem::data(int column, int role) const
     }
 }
 
+QTorrentHandle TorrentModelItem::torrentHandle() const
+{
+    return m_torrent;
+}
+
 // TORRENT MODEL
 
 TorrentModel::TorrentModel(QObject *parent) :

src/core/qtlibtorrent/torrentmodel.h

@@ -59,6 +59,7 @@ class TorrentModelItem : public QObject {
     bool setData(int column, const QVariant &value, int role = Qt::DisplayRole);
     inline QString const& hash() const { return m_hash; }
     State state() const;
+    QTorrentHandle torrentHandle() const;
 
 signals:
     void labelChanged(QString previous, QString current);

src/gui/mainwindow.cpp

@@ -214,6 +214,9 @@ MainWindow::MainWindow(QWidget *parent)
     connect(search_filter, SIGNAL(textChanged(QString)), transferList, SLOT(applyNameFilter(QString)));
     connect(hSplitter, SIGNAL(splitterMoved(int, int)), this, SLOT(writeSettings()));
     connect(vSplitter, SIGNAL(splitterMoved(int, int)), this, SLOT(writeSettings()));
+    connect(properties, SIGNAL(trackerAdded(const QString&, const QString&)), transferListFilters, SLOT(addTracker(const QString&, const QString&)));
+    connect(properties, SIGNAL(trackerRemoved(const QString&, const QString&)), transferListFilters, SLOT(removeTracker(const QString&, const QString&)));
+    connect(QBtSession::instance(), SIGNAL(trackerAdded(const QString&, const QString&)), transferListFilters, SLOT(addTracker(const QString&, const QString&)));
 
     vboxLayout->addWidget(tabs);
 

src/gui/properties/propertieswidget.cpp

@@ -111,6 +111,8 @@ PropertiesWidget::PropertiesWidget(QWidget *parent, MainWindow* main_window, Tra
   trackerList = new TrackerList(this);
   connect(trackerUpButton, SIGNAL(clicked()), trackerList, SLOT(moveSelectionUp()));
   connect(trackerDownButton, SIGNAL(clicked()), trackerList, SLOT(moveSelectionDown()));
+  connect(trackerList, SIGNAL(trackerAdded(const QString&, const QString&)), this, SIGNAL(trackerAdded(const QString&, const QString&)));
+  connect(trackerList, SIGNAL(trackerRemoved(const QString&, const QString&)), this, SIGNAL(trackerRemoved(const QString&, const QString&)));
   horizontalLayout_trackers->insertWidget(0, trackerList);
   connect(trackerList->header(), SIGNAL(sectionMoved(int, int, int)), trackerList, SLOT(saveSettings()));
   connect(trackerList->header(), SIGNAL(sectionResized(int, int, int)), trackerList, SLOT(saveSettings()));

src/gui/properties/propertieswidget.h

@@ -69,6 +69,10 @@ class PropertiesWidget : public QWidget, private Ui::PropertiesWidget {
   PeerListWidget* getPeerList() const { return peersList; }
   QTreeView* getFilesList() const { return filesList; }
 
+signals:
+  void trackerAdded(const QString &tracker, const QString &hash);
+  void trackerRemoved(const QString &tracker, const QString &hash);
+
 protected:
   QPushButton* getButtonFromIndex(int index);
   bool applyPriorities();

src/gui/properties/trackerlist.cpp

@@ -300,14 +300,19 @@ void TrackerList::loadTrackers() {
 void TrackerList::askForTrackers() {
   QTorrentHandle h = properties->getCurrentTorrent();
   if (!h.is_valid()) return;
+  QString hash = h.hash();
   QStringList trackers = TrackersAdditionDlg::askForTrackers(h);
   if (!trackers.empty()) {
+    if (h.trackers().empty())
+      emit trackerRemoved("", hash);
+
     for (int i=0; i<trackers.count(); i++) {
       const QString& tracker = trackers[i];
       if (tracker.trimmed().isEmpty()) continue;
       announce_entry url(tracker.toStdString());
       url.tier = (topLevelItemCount() - NB_STICKY_ITEM) + i;
       h.add_tracker(url);
+      emit trackerAdded(tracker, hash);
     }
     // Reannounce to new trackers
     if (!h.is_paused())
@@ -336,6 +341,7 @@ void TrackerList::deleteSelectedTrackers() {
     clear();
     return;
   }
+  QString hash = h.hash();
   QList<QTreeWidgetItem *> selected_items = getSelectedTrackerItems();
   if (selected_items.isEmpty()) return;
   QStringList urls_to_remove;
@@ -344,6 +350,7 @@ void TrackerList::deleteSelectedTrackers() {
     urls_to_remove << tracker_url;
     tracker_items.remove(tracker_url);
     delete item;
+    emit trackerRemoved(tracker_url, hash);
   }
   // Iterate of trackers and remove selected ones
   std::vector<announce_entry> remaining_trackers;
@@ -357,6 +364,8 @@ void TrackerList::deleteSelectedTrackers() {
     }
   }
   h.replace_trackers(remaining_trackers);
+  if (remaining_trackers.empty())
+      emit trackerAdded("", hash);
   if (!h.is_paused())
     h.force_reannounce();
   // Reload Trackers
@@ -366,6 +375,7 @@ void TrackerList::deleteSelectedTrackers() {
 void TrackerList::editSelectedTracker() {
   try {
     QTorrentHandle h = properties->getCurrentTorrent();
+    QString hash = h.hash();
 
     QList<QTreeWidgetItem *> selected_items = getSelectedTrackerItems();
     if (selected_items.isEmpty())
@@ -402,6 +412,8 @@ void TrackerList::editSelectedTracker() {
         new_entry.tier = it->tier;
         match = true;
         *it = new_entry;
+        emit trackerRemoved(tracker_url.toString(), hash);
+        emit trackerAdded(new_tracker_url.toString(), hash);
       }
     }
 

src/gui/properties/trackerlist.h

@@ -60,6 +60,10 @@ class TrackerList: public QTreeWidget {
   TrackerList(PropertiesWidget *properties);
   ~TrackerList();
 
+signals:
+  void trackerAdded(const QString &tracker, const QString &hash);
+  void trackerRemoved(const QString &tracker, const QString &hash);
+
 protected:
   QList<QTreeWidgetItem*> getSelectedTrackerItems() const;