SettingsLayout: implement autosave, enabled by default (10 minutes)

main.qml

@@ -1370,6 +1370,8 @@ ApplicationWindow {
         property int lockOnUserInActivityInterval: 10  // minutes
         property bool blackTheme: true
         property bool checkForUpdates: true
+        property bool autosave: true
+        property int autosaveMinutes: 10
 
         property bool fiatPriceEnabled: false
         property bool fiatPriceToggle: false
@@ -1811,6 +1813,24 @@ ApplicationWindow {
         }
     }
 
+    Timer {
+        id: autosaveTimer
+        interval: persistentSettings.autosaveMinutes * 60 * 1000
+        repeat: true
+        running: persistentSettings.autosave
+        onTriggered: {
+            if (currentWallet) {
+                currentWallet.storeAsync(function(success) {
+                    if (success) {
+                        appWindow.showStatusMessage(qsTr("Autosaved the wallet"), 3);
+                    } else {
+                        appWindow.showStatusMessage(qsTr("Failed to autosave the wallet"), 3);
+                    }
+                });
+            }
+        }
+    }
+
     // TODO: Make the callback dynamic
     Timer {
         id: statusMessageTimer

pages/settings/SettingsLayout.qml

@@ -94,6 +94,25 @@ Rectangle {
             text: qsTr("Ask for password before sending a transaction") + translationManager.emptyString
         }
 
+        MoneroComponents.CheckBox {
+            checked: persistentSettings.autosave
+            onClicked: persistentSettings.autosave = !persistentSettings.autosave
+            text: qsTr("Autosave") + translationManager.emptyString
+        }
+
+        MoneroComponents.Slider {
+            Layout.fillWidth: true
+            Layout.leftMargin: 35
+            Layout.topMargin: 6
+            visible: persistentSettings.autosave
+            from: 1
+            stepSize: 1
+            to: 60
+            value: persistentSettings.autosaveMinutes
+            text: "%1 %2 %3".arg(qsTr("Every")).arg(value).arg(qsTr("minute(s)")) + translationManager.emptyString
+            onMoved: persistentSettings.autosaveMinutes = value
+        }
+
         MoneroComponents.CheckBox {
             id: userInActivityCheckbox
             checked: persistentSettings.lockOnUserInActivity