Stop paying attention to heartbeats while downloading logs.

src/ViewWidgets/LogDownloadController.cc

@@ -326,8 +326,7 @@ LogDownloadController::_receivedAllData()
         _requestLogData(_downloadData->ID, 0, _downloadData->entry->size());
     } else {
         _resetSelection();
-        _downloadingLogs = false;
-        emit downloadingLogsChanged();
+        _setDownloading(false);
     }
 }
 
@@ -456,8 +455,7 @@ LogDownloadController::download(void)
             }
         }
         //-- Start download process
-        _downloadingLogs = true;
-        emit downloadingLogsChanged();
+        _setDownloading(true);
         _receivedAllData();
     }
 }
@@ -545,6 +543,15 @@ LogDownloadController::_prepareLogDownload()
     return result;
 }
 
+//----------------------------------------------------------------------------------------
+void
+LogDownloadController::_setDownloading(bool active)
+{
+    _downloadingLogs = active;
+    _vehicle->setConnectionLostEnabled(!active);
+    emit downloadingLogsChanged();
+}
+
 //----------------------------------------------------------------------------------------
 void
 LogDownloadController::eraseAll(void)
@@ -577,8 +584,7 @@ LogDownloadController::cancel(void)
         _downloadData = 0;
     }
     _resetSelection(true);
-    _downloadingLogs = false;
-    emit downloadingLogsChanged();
+    _setDownloading(false);
 }
 
 //-----------------------------------------------------------------------------

src/ViewWidgets/LogDownloadController.h

@@ -176,6 +176,7 @@ private:
     void _requestLogList    (uint32_t start = 0, uint32_t end = 0xFFFF);
     void _requestLogData    (uint8_t id, uint32_t offset = 0, uint32_t count = 0xFFFFFFFF);
     bool _prepareLogDownload();
+    void _setDownloading    (bool active);
 
     QGCLogEntry* _getNextSelected();