Library scan: don't show summary when run during startup

src/coreservices.cpp

@@ -452,7 +452,7 @@ void CoreServices::initialize(QApplication* pApp) {
     // Scan the library directory. Do this after the skinloader has
     // loaded a skin, see issue #6625
     if (rescan || musicDirAdded || m_pSettingsManager->shouldRescanLibrary()) {
-        m_pTrackCollectionManager->startLibraryScan();
+        m_pTrackCollectionManager->startLibraryScanNoReport();
     }
 
     // This has to be done before m_pSoundManager->setupDevices()

src/library/scanner/libraryscanner.cpp

@@ -100,11 +100,10 @@ LibraryScanner::LibraryScanner(
         const UserSettingsPointer& pConfig)
         : m_pDbConnectionPool(std::move(pDbConnectionPool)),
           m_analysisDao(pConfig),
-          m_trackDao(m_cueDao, m_playlistDao,
-                  m_analysisDao, m_libraryHashDao,
-                  pConfig),
+          m_trackDao(m_cueDao, m_playlistDao, m_analysisDao, m_libraryHashDao, pConfig),
           m_stateSema(1), // only one transaction is possible at a time
-          m_state(IDLE) {
+          m_state(IDLE),
+          m_emitSummaryReport(true) {
     // Move LibraryScanner to its own thread so that our signals/slots will
     // queue to our event loop.
     moveToThread(this);
@@ -461,11 +460,14 @@ void LibraryScanner::slotFinishUnhashedScan() {
     // now we may accept new scan commands
 
     emit scanFinished();
-    emit scanSummary(result);
+    if (m_emitSummaryReport) {
+        emit scanSummary(result);
+    }
 }
 
-void LibraryScanner::scan() {
+void LibraryScanner::scan(bool requestSummaryReport) {
     if (changeScannerState(STARTING)) {
+        m_emitSummaryReport = requestSummaryReport;
         emit startScan();
     }
 }

src/library/scanner/libraryscanner.h

@@ -35,7 +35,9 @@ class LibraryScanner : public QThread {
   public slots:
     // Call from any thread to start a scan. Does nothing if a scan is already
     // in progress.
-    void scan();
+    // Optionally omit summary report. Purpose is to not show the summary dialog
+    // during startup when being called by CoreServices::initialize.
+    void scan(bool requestSummaryReport = true);
 
     // Call from any thread to cancel the scan.
     void slotCancel();
@@ -125,4 +127,6 @@ class LibraryScanner : public QThread {
 
     QList<mixxx::FileInfo> m_libraryRootDirs;
     QScopedPointer<LibraryScannerDlg> m_pProgressDlg;
+
+    bool m_emitSummaryReport;
 };

src/library/trackcollectionmanager.cpp

@@ -172,6 +172,13 @@ TrackCollectionManager::~TrackCollectionManager() {
     GlobalTrackCache::destroyInstance();
 }
 
+void TrackCollectionManager::startLibraryScanNoReport() {
+    VERIFY_OR_DEBUG_ASSERT(m_pScanner) {
+        return;
+    }
+    m_pScanner->scan(false);
+}
+
 void TrackCollectionManager::startLibraryScan() {
     VERIFY_OR_DEBUG_ASSERT(m_pScanner) {
         return;

src/library/trackcollectionmanager.h

@@ -92,6 +92,8 @@ class TrackCollectionManager: public QObject,
         Failed,
     };
     SaveTrackResult saveTrack(const TrackPointer& pTrack) const;
+    // Same as startLibraryScan() but don't emit the scan summary.
+    void startLibraryScanNoReport();
 
   signals:
     void libraryScanStarted();