Add reconnectAfterWait API

src/QGCApplication.cc

@@ -581,3 +581,26 @@ void QGCApplication::_loadCurrentStyle(void)
     // Finally restore the cursor before returning.
     restoreOverrideCursor();
 }
+
+void QGCApplication::reconnectAfterWait(int waitSeconds)
+{
+    LinkManager* linkManager = LinkManager::instance();
+    Q_ASSERT(linkManager);
+    
+    Q_ASSERT(linkManager->getLinks().count() == 1);
+    LinkInterface* link = linkManager->getLinks()[0];
+    
+    // Save the link configuration so we can restart the link laster
+    _reconnectLinkConfig = linkManager->getLinks()[0]->getLinkConfiguration();
+    
+    // Disconnect and wait
+    
+    linkManager->disconnectLink(link);
+    QTimer::singleShot(waitSeconds * 1000, this, &QGCApplication::_reconnect);
+}
+
+void QGCApplication::_reconnect(void)
+{
+    qgcApp()->restoreOverrideCursor();
+    LinkManager::instance()->createConnectedLink(_reconnectLinkConfig);
+}
\ No newline at end of file

src/QGCApplication.h

@@ -34,6 +34,8 @@
 
 #include <QApplication>
 
+#include "LinkConfiguration.h"
+
 #ifdef QGC_RTLAB_ENABLED
 #include "OpalLink.h"
 #endif
@@ -93,6 +95,9 @@ public:
     /// Set the current UI style
     void setStyle(bool styleIsDark);
     
+    /// Disconnects the current link and waits for the specified number of seconds before reconnecting.
+    void reconnectAfterWait(int waitSeconds);
+    
 public slots:
     /// You can connect to this slot to show an information message box from a different thread.
     void informationMessageBoxOnMainThread(const QString& title, const QString& msg);
@@ -132,6 +137,9 @@ public:
     
     static QGCApplication*  _app;   ///< Our own singleton. Should be reference directly by qgcApp
     
+private slots:
+    void _reconnect(void);
+    
 private:
     void _createSingletons(void);
     void _destroySingletons(void);
@@ -153,6 +161,8 @@ private:
     static const char*  _lightStyleFile;
     bool                _styleIsDark;      ///< true: dark style, false: light style
     
+    LinkConfiguration* _reconnectLinkConfig;    ///< Configuration to reconnect for reconnectAfterWai
+    
     /// Unit Test have access to creating and destroying singletons
     friend class UnitTest;
 };