Web UI code optimization

src/webui/httpconnection.cpp

@@ -403,7 +403,7 @@ void HttpConnection::respondCommand(const QString& command) {
       tmpfile->write(m_parser.torrent());
       tmpfile->close();
       emit torrentReadyToBeDownloaded(tmpfile->fileName(), false, QString(), false);
-      delete tmpfile;
+      tmpfile->deleteLater();
     } else {
       std::cerr << "I/O Error: Could not create temporary file" << std::endl;
       delete tmpfile;

src/webui/httprequestparser.cpp

@@ -61,7 +61,7 @@ QString HttpRequestParser::post(const QString& key) const {
   return m_postMap.value(key);
 }
 
-QByteArray HttpRequestParser::torrent() const {
+const QByteArray& HttpRequestParser::torrent() const {
   return m_torrentContent;
 }
 

src/webui/httprequestparser.h

@@ -44,7 +44,7 @@ public:
   QByteArray message() const;
   QString get(const QString& key) const;
   QString post(const QString& key) const;
-  QByteArray torrent() const;
+  const QByteArray& torrent() const;
   void write(const QByteArray& ba);
   inline QHttpRequestHeader& header() { return m_header; }