QmlProfiler: fixed connection reset when new application starts

Reviewed-by: Kai Koehne

src/plugins/qmlprofiler/qmlprofilertool.cpp

@@ -294,6 +294,7 @@ void QmlProfilerTool::connectClient()
 {
     QTC_ASSERT(!d->m_client, return;)
     d->m_client = new QDeclarativeDebugConnection;
+    d->m_traceWindow->reset(d->m_client);
     connect(d->m_client, SIGNAL(stateChanged(QAbstractSocket::SocketState)),
             this, SLOT(connectionStateChanged()));
     d->m_connectionTimer.start();
@@ -461,7 +462,7 @@ void QmlProfilerTool::connectionStateChanged()
     {
         if (QmlProfilerPlugin::debugOutput)
             qWarning("QmlProfiler: connected and running");
-        resetWindow();
+        updateRecordingState();
         break;
     }
     case QAbstractSocket::ClosingState:
@@ -474,9 +475,8 @@ void QmlProfilerTool::connectionStateChanged()
     }
 }
 
-void QmlProfilerTool::resetWindow()
+void QmlProfilerTool::updateRecordingState()
 {
-    d->m_traceWindow->reset(d->m_client);
     if (d->m_client->isConnected()) {
         d->m_traceWindow->setRecording(d->m_recordingEnabled);
     } else {

src/plugins/qmlprofiler/qmlprofilertool.h

@@ -90,7 +90,7 @@ private slots:
 
 private:
     void connectToClient();
-    void resetWindow();
+    void updateRecordingState();
 
     class QmlProfilerToolPrivate;
     QmlProfilerToolPrivate *d;

src/plugins/qmlprofiler/tracewindow.cpp

@@ -333,7 +333,8 @@ void TraceWindow::clearDisplay()
 
 void TraceWindow::setRecording(bool recording)
 {
-    m_plugin.data()->setRecording(recording);
+    if (m_plugin)
+        m_plugin.data()->setRecording(recording);
 }
 
 bool TraceWindow::isRecording() const