Added Json encode support for QVariantList and QStringList

src/eventmanager.cpp

@@ -231,9 +231,8 @@ QVariantMap EventManager::getGlobalPreferences() const {
   data["save_path"] = Preferences::getSavePath();
   data["temp_path_enabled"] = Preferences::isTempPathEnabled();
   data["temp_path"] = Preferences::getTempPath();
-  // XXX: json.h does not encode QStringList correctly
-  //data["scan_dirs"] = Preferences::getScanDirs();
-  //data["download_in_scan_dirs"] = Preferences::getDownloadInScanDirs();
+  data["scan_dirs"] = Preferences::getScanDirs();
+  data["download_in_scan_dirs"] = Preferences::getDownloadInScanDirs();
   data["export_dir_enabled"] = Preferences::isTorrentExportEnabled();
   data["export_dir"] = Preferences::getExportDir();
   data["preallocate_all"] = Preferences::preAllocateAllFiles();

src/json.h

@@ -49,6 +49,14 @@ namespace json {
     case QVariant::ULongLong:
     case QMetaType::Float:
       return v.value<QString>();
+    case QVariant::StringList:
+    case QVariant::List: {
+        QStringList strList;
+        foreach(const QVariant &var, v.toList()) {
+          strList << toJson(var);
+        }
+        return "["+strList.join(",")+"]";
+      }
     case QVariant::String:
       {
         QString s = v.value<QString>();