QmlProfiler: Move connection failure message to QmlProfilerTool

and show it on any kind of connection failure, not only on timeout.

Change-Id: I6b9c44cd3455d5dd383a552f9b422d3d236b67c4
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/qmlprofiler/qmlprofilerclientmanager.cpp

@@ -33,7 +33,6 @@
 
 #include <QPointer>
 #include <QTimer>
-#include <QMessageBox>
 
 using namespace Core;
 
@@ -186,6 +185,17 @@ void QmlProfilerClientManager::createConnection()
             this, &QmlProfilerClientManager::qmlDebugConnectionStateChanged);
 }
 
+void QmlProfilerClientManager::retryConnect()
+{
+    disconnectClient();
+    if (!d->localSocket.isEmpty())
+        connectLocalClient(d->localSocket);
+    else if (!d->tcpHost.isEmpty() && d->tcpPort.isValid())
+        connectTcpClient(d->tcpPort);
+    else
+        emit connectionFailed();
+}
+
 void QmlProfilerClientManager::connectClientSignals()
 {
     QTC_ASSERT(d->profilerState, return);
@@ -267,22 +277,7 @@ void QmlProfilerClientManager::tryToConnect()
         d->connectionAttempts = 0;
         delete d->connection; // delete directly.
         d->connection = 0;
-
+        emit connectionFailed();
-        QMessageBox *infoBox = QmlProfilerTool::requestMessageBox();
-        infoBox->setIcon(QMessageBox::Critical);
-        infoBox->setWindowTitle(tr("Qt Creator"));
-        infoBox->setText(tr("Could not connect to the in-process QML profiler.\n"
-                            "Do you want to retry?"));
-        infoBox->setStandardButtons(QMessageBox::Retry |
-                                    QMessageBox::Cancel |
-                                    QMessageBox::Help);
-        infoBox->setDefaultButton(QMessageBox::Retry);
-        infoBox->setModal(true);
-
-        connect(infoBox, &QDialog::finished,
-                this, &QmlProfilerClientManager::retryMessageBoxFinished);
-
-        infoBox->show();
     }
 }
 
@@ -320,30 +315,6 @@ void QmlProfilerClientManager::logState(const QString &msg)
     QmlProfilerTool::logState(QLatin1String("QML Profiler: ") + msg);
 }
 
-void QmlProfilerClientManager::retryMessageBoxFinished(int result)
-{
-    QTC_ASSERT(!d->connection, disconnectClient());
-
-    switch (result) {
-    case QMessageBox::Retry: {
-        connectTcpClient(d->tcpPort);
-        d->connectionAttempts = 0;
-        d->connectionTimer.start();
-        break;
-    }
-    case QMessageBox::Help: {
-        QmlProfilerTool::handleHelpRequest(QLatin1String("qthelp://org.qt-project.qtcreator/doc/creator-debugging-qml.html"));
-        // fall through
-    }
-    default: {
-        // The actual error message has already been logged.
-        logState(tr("Failed to connect!"));
-        emit connectionFailed();
-        break;
-    }
-    }
-}
-
 void QmlProfilerClientManager::qmlComplete(qint64 maximumTime)
 {
     if (d->profilerState->currentState() == QmlProfilerStateManager::AppStopRequested)

src/plugins/qmlprofiler/qmlprofilerclientmanager.h

@@ -63,6 +63,7 @@ signals:
     void connectionClosed();
 
 public slots:
+    void retryConnect();
     void connectTcpClient(Utils::Port port);
     void connectLocalClient(const QString &file);
     void disconnectClient();
@@ -75,8 +76,6 @@ private slots:
     void qmlDebugConnectionStateChanged(QAbstractSocket::SocketState state);
     void logState(const QString &);
 
-    void retryMessageBoxFinished(int result);
-
     void qmlComplete(qint64 maximumTime);
     void qmlNewEngine(int engineId);
 

src/plugins/qmlprofiler/qmlprofilertool.cpp

@@ -348,14 +348,15 @@ AnalyzerRunControl *QmlProfilerTool::createRunControl(RunConfiguration *runConfi
 void QmlProfilerTool::finalizeRunControl(QmlProfilerRunControl *runControl)
 {
     runControl->registerProfilerStateManager(d->m_profilerState);
+    QmlProfilerClientManager *clientManager = d->m_profilerConnections;
 
     QTC_ASSERT(runControl->connection().is<AnalyzerConnection>(), return);
     // FIXME: Check that there's something sensible in sp.connParams
     auto connection = runControl->connection().as<AnalyzerConnection>();
     if (!connection.analyzerSocket.isEmpty())
-        d->m_profilerConnections->setLocalSocket(connection.analyzerSocket);
+        clientManager->setLocalSocket(connection.analyzerSocket);
     else
-        d->m_profilerConnections->setTcpConnection(connection.analyzerHost, connection.analyzerPort);
+        clientManager->setTcpConnection(connection.analyzerHost, connection.analyzerPort);
 
     //
     // Initialize m_projectFinder
@@ -372,8 +373,35 @@ void QmlProfilerTool::finalizeRunControl(QmlProfilerRunControl *runControl)
     if (connection.analyzerSocket.isEmpty())
         connect(runControl, &QmlProfilerRunControl::processRunning,
                 d->m_profilerConnections, &QmlProfilerClientManager::connectTcpClient);
-    connect(d->m_profilerConnections, &QmlProfilerClientManager::connectionFailed,
+    connect(clientManager, &QmlProfilerClientManager::connectionFailed,
-            runControl, &QmlProfilerRunControl::cancelProcess);
+            runControl, [clientManager, runControl]() {
+        QMessageBox *infoBox = new QMessageBox(ICore::mainWindow());
+        infoBox->setIcon(QMessageBox::Critical);
+        infoBox->setWindowTitle(tr("Qt Creator"));
+        infoBox->setText(tr("Could not connect to the in-process QML profiler.\n"
+                            "Do you want to retry?"));
+        infoBox->setStandardButtons(QMessageBox::Retry | QMessageBox::Cancel | QMessageBox::Help);
+        infoBox->setDefaultButton(QMessageBox::Retry);
+        infoBox->setModal(true);
+
+        connect(infoBox, &QDialog::finished, runControl, [clientManager, runControl](int result) {
+            switch (result) {
+            case QMessageBox::Retry:
+                clientManager->retryConnect();
+                break;
+            case QMessageBox::Help:
+                HelpManager::handleHelpRequest(
+                            "qthelp://org.qt-project.qtcreator/doc/creator-debugging-qml.html");
+            case QMessageBox::Cancel:
+                // The actual error message has already been logged.
+                logState(tr("Failed to connect!"));
+                runControl->cancelProcess();
+                break;
+            }
+        });
+
+        infoBox->show();
+    });
 }
 
 void QmlProfilerTool::populateFileFinder(QString projectDirectory, QString activeSysroot)
@@ -817,16 +845,6 @@ void QmlProfilerTool::showNonmodalWarning(const QString &warningMsg)
     noExecWarning->show();
 }
 
-QMessageBox *QmlProfilerTool::requestMessageBox()
-{
-    return new QMessageBox(ICore::mainWindow());
-}
-
-void QmlProfilerTool::handleHelpRequest(const QString &link)
-{
-    HelpManager::handleHelpRequest(link);
-}
-
 void QmlProfilerTool::profilerStateChanged()
 {
     switch (d->m_profilerState->currentState()) {

src/plugins/qmlprofiler/qmlprofilertool.h

@@ -59,8 +59,6 @@ public:
     static QList <QAction *> profilerContextMenuActions();
 
     // display dialogs / log output
-    static QMessageBox *requestMessageBox();
-    static void handleHelpRequest(const QString &link);
     static void logState(const QString &msg);
     static void logError(const QString &msg);
     static void showNonmodalWarning(const QString &warningMsg);