Prova connessione: timeout 30s, busy indicator, normalizzazione https://, log qDebug per debug su device

qml/pages/SettingsPage.qml

@@ -6,6 +6,7 @@ Page {
 
     property string testResult: ""
     property bool testOk: false
+    property bool testing: false
 
     SilicaFlickable {
         anchors.fill: parent
@@ -58,9 +59,20 @@ Page {
             Button {
                 anchors.horizontalCenter: parent.horizontalCenter
                 text: "Prova connessione"
+                enabled: !page.testing
                 onClicked: testConnection()
             }
 
+            Item {
+                width: parent.width
+                height: page.testing ? Theme.itemSizeSmall : 0
+                BusyIndicator {
+                    anchors.horizontalCenter: parent.horizontalCenter
+                    running: page.testing
+                    size: BusyIndicatorSize.Small
+                }
+            }
+
             Label {
                 x: Theme.horizontalPageMargin
                 width: parent.width - 2 * Theme.horizontalPageMargin
@@ -75,12 +87,17 @@ Page {
     }
 
     function testConnection() {
-        var base = appSettings.baseUrl
+        var base = appSettings.serverUrl.trim()
         if (base.length === 0) {
             page.testResult = "Inserisci l'indirizzo del server"
             page.testOk = false
             return
         }
+        // normalizza: senza schema aggiunge https:// e lo salva nel campo
+        if (base.indexOf("http://") !== 0 && base.indexOf("https://") !== 0)
+            base = "https://" + base
+        appSettings.serverUrl = base
+        page.testing = true
         page.testResult = "Verifica in corso…"
         apiClient.getFeed(base + "/opds")
     }
@@ -90,12 +107,14 @@ Page {
         onFeedReady: {
             if (pageStack.currentPage !== page)
                 return
+            page.testing = false
             page.testOk = true
             page.testResult = "Connessione OK: " + entries.length + " sezioni trovate"
         }
         onFeedError: {
             if (pageStack.currentPage !== page)
                 return
+            page.testing = false
             page.testOk = false
             page.testResult = message
         }