add autoreconnection, first attempts after 10sec, then 60sec and at l…

…east every hour

watchconnection.cpp

@@ -37,6 +37,9 @@ WatchConnection::WatchConnection(QObject *parent) : QObject(parent)
  m_services.append(m_weatherService);
 
  m_isConnected = false;
+
+ m_reconnectTimer.setSingleShot(true);
+ QObject::connect(&m_reconnectTimer, &QTimer::timeout, this, &WatchConnection::reconnect);
 }
 
 void WatchConnection::setDevice(Watch *device)
@@ -46,6 +49,24 @@ void WatchConnection::setDevice(Watch *device)
  emit currentWatchChanged();
  }
 
+ m_connectionAttempts = 0;
+ scheduleReconnect();
+}
+
+void WatchConnection::scheduleReconnect()
+{
+ if (m_connectionAttempts == 0)
+ reconnect();
+ else if (m_connectionAttempts < 25)
+ m_reconnectTimer.start(1000 * 10);
+ else if (m_connectionAttempts < 35)
+ m_reconnectTimer.start(1000 * 60);
+ else
+ m_reconnectTimer.start(1000 * 60 * 15);
+}
+
+void WatchConnection::reconnect()
+{
  if (m_control) {
  m_control->disconnectFromDevice();
  delete m_control;
@@ -63,6 +84,7 @@ void WatchConnection::setDevice(Watch *device)
 
  m_control->connectToDevice();
  }
+ m_connectionAttempts++;
 }
 
 void WatchConnection::connectionError(QLowEnergyController::Error err)
@@ -75,12 +97,15 @@ void WatchConnection::deviceConnected()
  m_isConnected = true;
  emit connected();
  m_control->discoverServices();
+ m_connectionAttempts = 1;
 }
 
 void WatchConnection::deviceDisconnected()
 {
  m_isConnected = false;
  emit disconnected();
+ if (!m_reconnectTimer.isActive())
+ scheduleReconnect();
 }
 
 bool WatchConnection::isConnected()

watchconnection.h

@@ -19,6 +19,7 @@
 #define WATCHCONNECTION_H
 
 #include <QObject>
+#include <QTimer>
 
 #include <QLowEnergyController>
 #include <QLowEnergyService>
@@ -77,9 +78,13 @@ private slots:
  WeatherService *m_weatherService;
 
  bool m_isConnected;
+ int m_connectionAttempts = 0;
+ QTimer m_reconnectTimer;
 
  void serviceDiscovered(const QBluetoothUuid &);
  void serviceScanDone();
+ void scheduleReconnect();
+ void reconnect();
 
  void serviceStateChanged(QLowEnergyService::ServiceState s);
  void updateHeartRateValue(const QLowEnergyCharacteristic &c, const QByteArray &value);