QDS-12001 Downloads can be safely interrupted now

src/backend.cpp

@@ -170,37 +170,43 @@ void Backend::initDesignStudioConnector()
         updatePopup("Receiving project...");
     });
 
-    connect(m_designStudioConnector.data(),
-            &DesignStudioConnector::projectReceived,
-            this,
-            [this](const QByteArray &projectData) {
-                qDebug() << "Project received from Design Studio";
-                initializeProjectManager();
-                emit popupOpen();
-                updatePopup("Unpacking project...");
-                qDebug() << "Project data size: " << projectData.size();
-                const QString projectPath = m_projectManager->unpackProject(projectData);
-
-                if (projectPath.isEmpty()) {
-                    qCritical() << "Could not unpack project. Please check the logs for more "
-                                   "information.";
-                    emit popupClose();
-                    return;
-                }
-
-                qDebug() << "Project unpacked to " << projectPath;
-                updatePopup("Running project...");
-
-                if (!m_projectManager->runProject(projectPath)) {
-                    qCritical() << "Could not run project. Please check the logs for more "
-                                   "information.";
-                } else {
-                    m_projectManager->showAppWindow();
-                }
-
+    connect(
+        m_designStudioConnector.data(),
+        &DesignStudioConnector::projectReceived,
+        this,
+        [this](const QByteArray &projectData) {
+            qDebug() << "Project received from Design Studio";
+            initializeProjectManager();
+            emit popupOpen();
+            updatePopup("Unpacking project...");
+            qDebug() << "Project data size: " << projectData.size();
+            const QString projectPath = m_projectManager->unpackProject(projectData);
+
+            if (projectPath.isEmpty()) {
+                qCritical() << "Could not unpack project. Please check the logs for more "
+                               "information.";
                 emit popupClose();
-                m_designStudioConnector->sendProjectReceived();
-            });
+                return;
+            }
+
+            qDebug() << "Project unpacked to " << projectPath;
+            updatePopup("Running project...");
+
+            qDebug() << "Project received confirmation sent to Design Studio";
+            if (!m_projectManager->runProject(projectPath)) {
+                qCritical() << "Could not run project. Please check the logs for more "
+                               "information.";
+            } else {
+                m_projectManager->showAppWindow();
+            }
+
+            QMetaObject::invokeMethod(m_designStudioConnector.data(),
+                                      "sendProjectReceived",
+                                      Qt::QueuedConnection);
+
+            emit popupClose();
+        },
+        Qt::QueuedConnection);
 
     qDebug() << "Design Studio Connector is initialized";
 }
@@ -429,3 +435,9 @@ void Backend::parseDesignViewerUrl(const QUrl &url)
         qWarning() << "Unknown QR code data: " << urlData;
     }
 }
+
+void Backend::popupInterrupted()
+{
+    qDebug() << "Popup closed prematurely. Interrupting active downloads (if any)";
+    QMetaObject::invokeMethod(&m_serviceConnector, "interrupted", Qt::QueuedConnection);
+}