[PasswordManager] Moved saving selected backend to switchBackend().

-Also added PasswordManager::passwordBackendChanged() signal.
-Also some other options moved to AutoFillManager::currentPasswordBackendChanged()

src/lib/autofill/passwordmanager.cpp

@@ -131,8 +131,10 @@ PasswordBackend* PasswordManager::activeBackend()
     return m_backend;
 }
 
-void PasswordManager::switchBackend(PasswordBackend* backend)
+void PasswordManager::switchBackend(const QString &backendID)
 {
+    PasswordBackend* backend = m_backends.value(backendID);
+
     if (!backend) {
         return;
     }
@@ -140,6 +142,13 @@ void PasswordManager::switchBackend(PasswordBackend* backend)
     m_backend->setActive(false);
     m_backend = backend;
     m_backend->setActive(true);
+
+    Settings settings;
+    settings.beginGroup("PasswordManager");
+    settings.setValue("Backend", backendID);
+    settings.endGroup();
+
+    emit passwordBackendChanged();
 }
 
 bool PasswordManager::registerBackend(const QString &id, PasswordBackend* backend)

src/lib/autofill/passwordmanager.h

@@ -74,7 +74,7 @@ public:
 
     QHash<QString, PasswordBackend*> availableBackends();
     PasswordBackend* activeBackend();
-    void switchBackend(PasswordBackend* backend);
+    void switchBackend(const QString &backendID);
 
     bool registerBackend(const QString &id, PasswordBackend* backend);
     void unregisterBackend(PasswordBackend* backend);
@@ -90,6 +90,9 @@ private:
     PasswordBackend* m_backend;
     DatabasePasswordBackend* m_databaseBackend;
     QHash<QString, PasswordBackend*> m_backends;
+
+signals:
+    void passwordBackendChanged();
 };
 
 // Hint to QVector to use std::realloc on item moving

src/lib/preferences/autofillmanager.cpp

@@ -46,6 +46,7 @@ AutoFillManager::AutoFillManager(QWidget* parent)
     connect(ui->search, SIGNAL(textChanged(QString)), ui->treePass, SLOT(filterString(QString)));
     connect(ui->changeBackend, SIGNAL(clicked()), this, SLOT(changePasswordBackend()));
     connect(ui->backendOptions, SIGNAL(clicked()), this, SLOT(showBackendOptions()));
+    connect(m_passwordManager, SIGNAL(passwordBackendChanged()), this, SLOT(currentPasswordBackendChanged()));
 
     connect(ui->removeExcept, SIGNAL(clicked()), this, SLOT(removeExcept()));
     connect(ui->removeAllExcept, SIGNAL(clicked()), this, SLOT(removeAllExcept()));
@@ -119,9 +120,6 @@ void AutoFillManager::changePasswordBackend()
 
     // Switch backends
     if (!item.isEmpty()) {
-        Settings settings;
-        settings.beginGroup("PasswordManager");
-
         PasswordBackend* backend = 0;
 
         QHashIterator<QString, PasswordBackend*> i(backends);
@@ -129,21 +127,14 @@ void AutoFillManager::changePasswordBackend()
             i.next();
             if (i.value()->name() == item) {
                 backend = i.value();
-                settings.setValue("Backend", i.key());
                 break;
             }
         }
 
-        settings.endGroup();
-
         if (backend) {
-            m_passwordManager->switchBackend(backend);
+            m_passwordManager->switchBackend(backends.key(backend));
-            ui->backendOptions->setVisible(backend->hasSettings());
-            ui->currentBackend->setText(QString("<b>%1</b>").arg(backend->name()));
         }
     }
-
-    QTimer::singleShot(0, this, SLOT(loadPasswords()));
 }
 
 void AutoFillManager::showBackendOptions()
@@ -335,6 +326,14 @@ void AutoFillManager::slotExportPasswords()
     QApplication::restoreOverrideCursor();
 }
 
+void AutoFillManager::currentPasswordBackendChanged()
+{
+    ui->currentBackend->setText(QString("<b>%1</b>").arg(m_passwordManager->activeBackend()->name()));
+    ui->backendOptions->setVisible(m_passwordManager->activeBackend()->hasSettings());
+
+    QTimer::singleShot(0, this, SLOT(loadPasswords()));
+}
+
 AutoFillManager::~AutoFillManager()
 {
     delete ui;

src/lib/preferences/autofillmanager.h

@@ -58,6 +58,8 @@ private slots:
     void slotImportPasswords();
     void slotExportPasswords();
 
+    void currentPasswordBackendChanged();
+
 private:
     Ui::AutoFillManager* ui;