Free some RAM when a file transfer ends

filetransferinstance.h

@@ -32,11 +32,15 @@ struct ToxFile;
 class FileTransferInstance : public QObject
 {
     Q_OBJECT
+public:
+    enum TransfState {tsPending, tsProcessing, tsPaused, tsFinished, tsCanceled};
+
 public:
     explicit FileTransferInstance(ToxFile File);
     QString getHtmlImage();
     uint getId(){return id;}
     void setTextCursor(QTextCursor cursor);
+    TransfState getState() {return state;}
 
 public slots:
     void onFileTransferInfo(int FriendId, int FileNum, int64_t Filesize, int64_t BytesSent, ToxFile::FileDirection Direction);
@@ -63,8 +67,6 @@ private:
     QString wrapIntoForm(const QString &content, const QString &type, const QString &imgAstr, const QString &imgBstr);
 
 private:
-    enum TransfState {tsPending, tsProcessing, tsPaused, tsFinished, tsCanceled};
-
     static uint Idconter;
     uint id;
 

widget/chatareawidget.cpp

@@ -19,7 +19,6 @@
 #include <QAbstractTextDocumentLayout>
 #include <QMessageBox>
 #include <QScrollBar>
-#include <QDebug>
 
 ChatAreaWidget::ChatAreaWidget(QWidget *parent) :
     QTextEdit(parent)

widget/chatareawidget.h

@@ -19,7 +19,6 @@
 
 #include <QTextEdit>
 #include <QList>
-#include <QMap>
 
 class ChatAction;
 

widget/tool/chataction.cpp

@@ -18,7 +18,6 @@
 #include "smileypack.h"
 #include <QStringList>
 #include <QBuffer>
-#include <QDebug>
 #include "filetransferinstance.h"
 
 QString ChatAction::toHtmlChars(const QString &str)
@@ -154,4 +153,15 @@ void FileTransferAction::updateHtml()
     int end = cur.position();
     cur.setPosition(pos);
     cur.setPosition(end, QTextCursor::KeepAnchor);
+
+    // Free our ressources if we'll never need to update again
+    if (w->getState() == FileTransferInstance::TransfState::tsCanceled
+            || w->getState() == FileTransferInstance::TransfState::tsFinished)
+    {
+        sender.clear();
+        sender.squeeze();
+        timestamp.clear();
+        timestamp.squeeze();
+        cur = QTextCursor();
+    }
 }