Refactor password changing

* Move showing passive notifications out of RegistrationManager
* RegistrationManager: Move signal calls

src/Kaidan.h

@@ -419,9 +419,11 @@ signals:
 	void passwordChangeSucceeded();
 
 	/**
-	 * Emitted, when changing the password has failed.
+	 * Emitted when changing the user's password failed.
+	 *
+	 * @param errorMessage message describing the error
 	 */
-	void passwordChangeFailed();
+	void passwordChangeFailed(const QString &errorMessage);
 
 	/**
 	 * Emitted, when a contact was muted/unmuted.

src/RegistrationManager.cpp

@@ -69,12 +69,7 @@ RegistrationManager::RegistrationManager(ClientWorker *clientWorker, QXmppClient
 	connect(m_manager, &QXmppRegistrationManager::accountDeletionFailed, m_clientWorker, &ClientWorker::handleAccountDeletionFromServerFailed);
 	connect(m_manager, &QXmppRegistrationManager::accountDeleted, m_clientWorker, &ClientWorker::handleAccountDeletedFromServer);
 
-	connect(m_manager, &QXmppRegistrationManager::passwordChanged, Kaidan::instance(), &Kaidan::setPassword);
-
-	connect(m_manager, &QXmppRegistrationManager::passwordChanged, Kaidan::instance(), &Kaidan::passwordChangeSucceeded);
 	connect(m_manager, &QXmppRegistrationManager::passwordChanged, this, &RegistrationManager::handlePasswordChangeSucceeded);
-
-	connect(m_manager, &QXmppRegistrationManager::passwordChangeFailed, Kaidan::instance(), &Kaidan::passwordChangeFailed);
 	connect(m_manager, &QXmppRegistrationManager::passwordChangeFailed, this, &RegistrationManager::handlePasswordChangeFailed);
 }
 
@@ -123,16 +118,13 @@ void RegistrationManager::handlePasswordChangeSucceeded(const QString &newPasswo
 	    QString::fromUtf8(newPassword.toUtf8().toBase64())
 	);
 
-	emit Kaidan::instance()->passiveNotificationRequested(
-	    tr("Password changed successfully.")
-	);
+	QMetaObject::invokeMethod(Kaidan::instance(), "setPassword", Q_ARG(QString, newPassword));
+	emit Kaidan::instance()->passwordChangeSucceeded();
 }
 
 void RegistrationManager::handlePasswordChangeFailed(const QXmppStanza::Error &error)
 {
-	emit Kaidan::instance()->passiveNotificationRequested(
-	    tr("Failed to change password: %1").arg(error.text())
-	);
+	emit Kaidan::instance()->passwordChangeFailed(error.text());
 }
 
 void RegistrationManager::handleRegistrationFormReceived(const QXmppRegisterIq &iq)

src/qml/settings/ChangePassword.qml

@@ -50,6 +50,7 @@ Kirigami.Page {
 
 	ColumnLayout {
 		id: content
+		visible: !busyIndicator.visible
 		anchors.fill: parent
 		spacing: 0
 
@@ -140,24 +141,24 @@ Kirigami.Page {
 					}
 
 					Kaidan.changePassword(password1.text)
-					content.visible = false
 					busyIndicator.visible = true
 				}
 			}
 		}
 	}
 
-	function handleChangeResult() {
-		busyIndicator.visible = false
-		stack.pop()
-	}
+	Connections {
+		target: Kaidan
 
-	Component.onCompleted: {
-		Kaidan.passwordChangeSucceeded.connect(handleChangeResult)
-		Kaidan.passwordChangeFailed.connect(handleChangeResult)
-	}
-	Component.onDestruction: {
-		Kaidan.passwordChangeSucceeded.disconnect(handleChangeResult)
-		Kaidan.passwordChangeFailed.disconnect(handleChangeResult)
+		onPasswordChangeSucceeded: {
+			busyIndicator.visible = false
+			passiveNotification(qsTr("Password changed successfully"))
+			stack.pop()
+		}
+
+		onPasswordChangeFailed: {
+			busyIndicator.visible = false
+			passiveNotification(qsTr("Failed to change password: %1").arg(errorMessage))
+		}
 	}
 }