- Saving trackers file only when necessary

- Avoid code duplication for showProperties()

src/FinishedTorrents.cpp

@@ -310,18 +310,14 @@ void FinishedTorrents::deleteTorrent(QString hash){
 
 // Show torrent properties dialog
 void FinishedTorrents::showProperties(const QModelIndex &index){
-  int row = index.row();
-  QString hash = finishedListModel->data(finishedListModel->index(row, F_HASH)).toString();
-  QTorrentHandle h = BTSession->getTorrentHandle(hash);
-  properties *prop = new properties(this, BTSession, h);
-  connect(prop, SIGNAL(filteredFilesChanged(QString)), this, SLOT(updateFileSize(QString)));
-  prop->show();
+  showPropertiesFromHash(finishedListModel->data(finishedListModel->index(index.row(), F_HASH)).toString());
 }
 
 void FinishedTorrents::showPropertiesFromHash(QString hash){
   QTorrentHandle h = BTSession->getTorrentHandle(hash);
   properties *prop = new properties(this, BTSession, h);
   connect(prop, SIGNAL(filteredFilesChanged(QString)), this, SLOT(updateFileSize(QString)));
+  connect(prop, SIGNAL(trackersChanged(QString)), BTSession, SLOT(saveTrackerFile(QString)));
   prop->show();
 }
 

src/bittorrent.cpp

@@ -858,8 +858,6 @@ void bittorrent::saveFastResumeAndRatioData() {
       }
       // Save ratio data
       saveDownloadUploadForTorrent(hash);
-      // Save trackers
-      saveTrackerFile(hash);
     }
   }
   qDebug("Fast resume and ratio data saved");
@@ -1005,6 +1003,7 @@ bool bittorrent::loadTrackerFile(QString hash) {
 }
 
 void bittorrent::saveTrackerFile(QString hash) {
+  qDebug("Saving tracker file for %s", hash.toUtf8().data());
   QDir torrentBackup(misc::qBittorrentPath() + "BT_backup");
   QFile tracker_file(torrentBackup.path()+QDir::separator()+ hash + ".trackers");
   if(tracker_file.exists()) {

src/downloadingTorrents.cpp

@@ -168,18 +168,14 @@ void DownloadingTorrents::setBottomTabEnabled(unsigned int index, bool b){
 
 // Show torrent properties dialog
 void DownloadingTorrents::showProperties(const QModelIndex &index) {
-  int row = index.row();
-  QString hash = DLListModel->data(DLListModel->index(row, HASH)).toString();
-  QTorrentHandle h = BTSession->getTorrentHandle(hash);
-  properties *prop = new properties(this, BTSession, h);
-  connect(prop, SIGNAL(filteredFilesChanged(QString)), this, SLOT(updateFileSizeAndProgress(QString)));
-  prop->show();
+  showPropertiesFromHash(DLListModel->data(DLListModel->index(index.row(), HASH)).toString());
 }
 
 void DownloadingTorrents::showPropertiesFromHash(QString hash) {
   QTorrentHandle h = BTSession->getTorrentHandle(hash);
   properties *prop = new properties(this, BTSession, h);
   connect(prop, SIGNAL(filteredFilesChanged(QString)), this, SLOT(updateFileSizeAndProgress(QString)));
+  connect(prop, SIGNAL(trackersChanged(QString)), BTSession, SLOT(saveTrackerFile(QString)));
   prop->show();
 }
 

src/properties_imp.cpp

@@ -502,6 +502,7 @@ void properties::askForTracker(){
   h.force_reannounce();
   // Reload Trackers
   loadTrackers();
+  emit trackersChanged(h.hash());
 }
 
 void properties::deleteSelectedUrlSeeds(){
@@ -550,6 +551,7 @@ void properties::deleteSelectedTrackers(){
   h.force_reannounce();
   // Reload Trackers
   loadTrackers();
+  emit trackersChanged(h.hash());
 }
 
 void properties::riseSelectedTracker(){
@@ -583,6 +585,7 @@ void properties::riseSelectedTracker(){
     // Reload Trackers
     loadTrackers();
     trackersURLS->item(i-1)->setSelected(true);
+    emit trackersChanged(h.hash());
   }
 }
 
@@ -617,6 +620,7 @@ void properties::lowerSelectedTracker(){
     // Reload Trackers
     loadTrackers();
     trackersURLS->item(i+1)->setSelected(true);
+    emit trackersChanged(h.hash());
   }
 }
 

src/properties_imp.h

@@ -42,6 +42,7 @@ class properties : public QDialog, private Ui::properties{
     QTorrentHandle h;
     bittorrent *BTSession;
     bool changedFilteredfiles;
+    bool changedTrackers;
     QString hash;
     PropListDelegate *PropDelegate;
     QStandardItemModel *PropListModel;
@@ -84,6 +85,7 @@ class properties : public QDialog, private Ui::properties{
   signals:
     void filteredFilesChanged(QString hash);
     void fileSizeChanged(QString hash);
+    void trackersChanged(QString hash);
 
   public:
     // Constructor