1 files changed, 60 insertions, 0 deletions
diff --git a/src/library/export/libraryexporter.cpp b/src/library/export/libraryexporter.cpp
new file mode 100644
index 0000000000..d01d46ecc1
--- /dev/null
+++ b/src/library/export/libraryexporter.cpp
@@ -0,0 +1,60 @@
+#include "library/export/libraryexporter.h"
+
+#include <QProgressDialog>
+#include <QThreadPool>
+
+#include "library/export/engineprimeexportjob.h"
+#include "util/parented_ptr.h"
+
+namespace mixxx {
+
+LibraryExporter::LibraryExporter(QWidget* parent,
+        UserSettingsPointer pConfig,
+        TrackCollectionManager* pTrackCollectionManager)
+        : QWidget{parent},
+          m_pConfig{std::move(pConfig)},
+          m_pTrackCollectionManager{pTrackCollectionManager} {
+}
+
+void LibraryExporter::requestExportWithOptionalInitialCrate(
+        std::optional<CrateId> initialSelectedCrate) {
+    if (!m_pDialog) {
+        m_pDialog = make_parented<DlgLibraryExport>(
+                this, m_pConfig, m_pTrackCollectionManager);
+        connect(m_pDialog.get(),
+                SIGNAL(startEnginePrimeExport(EnginePrimeExportRequest)),
+                this,
+                SLOT(beginEnginePrimeExport(EnginePrimeExportRequest)));
+    } else {
+        m_pDialog->show();
+        m_pDialog->raise();
+        m_pDialog->setWindowState(
+                (m_pDialog->windowState() & ~Qt::WindowMinimized) |
+                Qt::WindowActive);
+    }
+
+    m_pDialog->setSelectedCrate(initialSelectedCrate);
+}
+
+void LibraryExporter::beginEnginePrimeExport(
+        EnginePrimeExportRequest request) {
+    // Note that the job will run in a background thread.
+    auto pJobThread = make_parented<EnginePrimeExportJob>(
+            this,
+            m_pTrackCollectionManager,
+            std::move(request));
+    connect(pJobThread, &EnginePrimeExportJob::finished, pJobThread, &QObject::deleteLater);
+
+    // Construct a dialog to monitor job progress and offer cancellation.
+    auto pd = make_parented<QProgressDialog>(this);
+    pd->setLabelText(tr("Exporting to Engine Prime..."));
+    pd->setMinimumDuration(0);
+    connect(pJobThread, &EnginePrimeExportJob::jobMaximum, pd, &QProgressDialog::setMaximum);
+    connect(pJobThread, &EnginePrimeExportJob::jobProgress, pd, &QProgressDialog::setValue);
+    connect(pJobThread, &EnginePrimeExportJob::finished, pd, &QObject::deleteLater);
+    connect(pd, &QProgressDialog::canceled, pJobThread, &EnginePrimeExportJob::cancel);
+
+    pJobThread->start();
+}
+
+} // namespace mixxx