QmlProfiler: manage quick stops before connection

Task-number: QTCREATORBUG-5804
Change-Id: I86e9a94c5352d0ac8f9157949afd3b32d60cb05e
Reviewed-on: http://codereview.qt.nokia.com/3606
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/qmlprofiler/qml/StatusDisplay.qml

@@ -61,6 +61,7 @@ Rectangle {
                 target: statusText
                 text: qsTr("No QML events recorded");
             }
+            onCompleted: root.clearAll();
         },
         // running app
         State {

src/plugins/qmlprofiler/qmlprofilerengine.cpp

@@ -193,6 +193,7 @@ bool QmlProfilerEngine::start()
     }
 
     AnalyzerManager::handleToolStarted();
+    emit starting(this);
     return true;
 }
 

src/plugins/qmlprofiler/qmlprofilertool.cpp

@@ -106,6 +106,7 @@ public:
     QToolButton *m_recordButton;
     QToolButton *m_clearButton;
     bool m_recordingEnabled;
+    bool m_appIsRunning;
 
     enum ConnectMode {
         TcpConnection, OstConnection
@@ -128,6 +129,7 @@ QmlProfilerTool::QmlProfilerTool(QObject *parent)
     d->m_runConfiguration = 0;
     d->m_isAttached = false;
     d->m_recordingEnabled = true;
+    d->m_appIsRunning = false;
 
     d->m_connectionTimer.setInterval(200);
     connect(&d->m_connectionTimer, SIGNAL(timeout()), SLOT(tryToConnect()));
@@ -247,6 +249,9 @@ IAnalyzerEngine *QmlProfilerTool::createEngine(const AnalyzerStartParameters &sp
     connect(d->m_traceWindow, SIGNAL(viewUpdated()), engine, SLOT(dataReceived()));
     connect(this, SIGNAL(connectionFailed()), engine, SLOT(finishProcess()));
     connect(this, SIGNAL(fetchingData(bool)), engine, SLOT(setFetchingData(bool)));
+    connect(engine, SIGNAL(starting(const Analyzer::IAnalyzerEngine*)), this, SLOT(setAppIsRunning()));
+    connect(engine, SIGNAL(finished()), this, SLOT(setAppIsStopped()));
+    connect(this, SIGNAL(cancelRun()), engine, SLOT(finishProcess()));
     emit fetchingData(d->m_recordButton->isChecked());
 
     return engine;
@@ -395,6 +400,10 @@ void QmlProfilerTool::stopRecording()
 {
     d->m_traceWindow->setRecording(false);
     emit fetchingData(false);
+
+    // manage early stop
+    if (d->m_client && !d->m_client->isConnected() && d->m_appIsRunning)
+        emit cancelRun();
 }
 
 void QmlProfilerTool::setRecording(bool recording)
@@ -412,6 +421,16 @@ void QmlProfilerTool::setRecording(bool recording)
         stopRecording();
 }
 
+void QmlProfilerTool::setAppIsRunning()
+{
+    d->m_appIsRunning = true;
+}
+
+void QmlProfilerTool::setAppIsStopped()
+{
+    d->m_appIsRunning = false;
+}
+
 void QmlProfilerTool::gotoSourceLocation(const QString &fileUrl, int lineNumber)
 {
     if (lineNumber < 0 || fileUrl.isEmpty())

src/plugins/qmlprofiler/qmlprofilertool.h

@@ -72,6 +72,9 @@ public slots:
     void stopRecording();
     void setRecording(bool recording);
 
+    void setAppIsRunning();
+    void setAppIsStopped();
+
     void gotoSourceLocation(const QString &fileUrl, int lineNumber);
     void updateTimer(qreal elapsedSeconds);
     void correctTimer();
@@ -84,6 +87,7 @@ signals:
     void setTimeLabel(const QString &);
     void fetchingData(bool);
     void connectionFailed();
+    void cancelRun();
 
 private slots:
     void updateProjectFileList();