try to detect at start if Librespot is known by Spotify and restart i…

…t if not

qml/components/SpotifyController.qml

@@ -59,14 +59,14 @@ Item {
         }
     }
 
-    Connections {
+    /*Connections {
         target: app
         onStateChanged: {
             if (app.state === Qt.ApplicationActive) {
                 app.controller.reloadDevices();
             }
         }
-    }
+    }*/
 
     Connections {
         target: spotify
@@ -100,17 +100,21 @@ Item {
         })
     }
 
+    signal devicesReloaded()
+
     function reloadDevices() {
         Spotify.getMyDevices(function(error, data) {
             if (data) {
                 try {
                     console.log("reloadDevices() #devices: " + data.devices.length)
                     devicesModel.clear();
                     for (var i=0; i < data.devices.length; i++) {
+                        //console.log(JSON.stringify(data.devices[i]))
                         devicesModel.append(data.devices[i]);
                         if (data.devices[i].is_active)
                             playbackState.device = data.devices[i]
                     }
+                    devicesReloaded()
                 } catch (err) {
                     console.log("reloadDevices() error: " + err)
                 }

qml/hutspot.qml

@@ -45,6 +45,7 @@ ApplicationWindow {
 
     property alias queue: queue
     property alias playingPage: playingPage
+    property alias librespot: librespot
 
     allowedOrientations: defaultAllowedOrientations
 
@@ -814,6 +815,35 @@ ApplicationWindow {
         id: librespot
     }
 
+    // check if the Librespot service is known to Spotify
+    function isLibrespotInDevicesList() {
+        var i
+        // we cannot determine the name if it is not running
+        if(!librespot.serviceRunning)
+            return false
+        var devName = librespot.getName()
+        if(devName.length === 0) // failed to determine the name
+            return false
+        for(i=0;i<spotifyController.devices.count;i++) {
+            var device = spotifyController.devices.get(i)
+            if(device.name === devName)
+                return true
+        }
+        return false
+    }
+
+    Connections {
+        target: spotifyController
+        onDevicesReloaded: {
+            // check if Librespot is known to Spotify and if not restart it
+            if(app.start_stop_librespot.value
+               && !isLibrespotInDevicesList()) {
+                console.log("Librespot is not in the devices list so restart it")
+                librespot.start()
+            }
+        }
+    }
+
     function getAppIconSource() {
         return getAppIconSource2(Theme.iconSizeExtraLarge)
     }