Add class to coordinate automatic library updates

YACReaderLibrary/libraries_update_coordinator.h

@@ -0,0 +1,34 @@
+
+#ifndef LIBRARIES_UPDATE_COORDINATOR_H
+#define LIBRARIES_UPDATE_COORDINATOR_H
+
+#include <QtCore>
+
+class YACReaderLibraries;
+
+class LibrariesUpdateCoordinator : public QObject
+{
+    Q_OBJECT
+public:
+    LibrariesUpdateCoordinator(QSettings *settings, YACReaderLibraries &libraries, QObject *parent = 0);
+
+    void updateLibraries();
+
+signals:
+    void updateStarted();
+    void updateEnded();
+
+private slots:
+    void checkUpdatePolicy();
+    void startUpdate();
+    void updateLibrary(const QString &path);
+
+private:
+    QSettings *settings;
+    YACReaderLibraries &libraries;
+    QTimer *timer;
+    QElapsedTimer elapsedTimer;
+    std::future<void> updateFuture;
+};
+
+#endif // LIBRARIES_UPDATE_COORDINATOR_H