feat(Modules/LockScreen): divert PAM messages to user (eg: to notify the user about fingerprint reader)

Modules/LockScreen/LockContext.qml

@@ -12,6 +12,7 @@ Scope {
   property bool unlockInProgress: false
   property bool showFailure: false
   property string errorMessage: ""
+  property string infoMessage: ""
   property bool pamAvailable: typeof PamContext !== "undefined"
 
   onCurrentTextChanged: {
@@ -47,6 +48,8 @@ Scope {
 
       if (messageIsError) {
         errorMessage = message
+      } else {
+        infoMessage = message
       }
 
       if (responseRequired) {

Modules/LockScreen/LockScreen.qml

@@ -515,6 +515,7 @@ Loader {
                       width: 0
                       height: 0
                       visible: false
+                      enabled: !lockContext.unlockInProgress
                       font.family: Settings.data.ui.fontFixed
                       font.pointSize: Style.fontSizeL * scaling
                       color: Color.mOnSurface
@@ -544,7 +545,7 @@ Loader {
                       color: Color.mOnSurface
                       font.family: Settings.data.ui.fontFixed
                       font.pointSize: Style.fontSizeL * scaling
-                      visible: passwordInput.activeFocus
+                      visible: passwordInput.activeFocus && !lockContext.unlockInProgress
 
                       SequentialAnimation {
                         id: typingEffect
@@ -588,7 +589,7 @@ Loader {
                   NText {
                     text: {
                       if (lockContext.unlockInProgress)
-                        return "Authenticating..."
+                        return lockContext.infoMessage || "Authenticating..."
                       if (lockContext.showFailure && lockContext.errorMessage)
                         return lockContext.errorMessage
                       if (lockContext.showFailure)