Refactory lock screen and screen saver.

src/dialogs/DialogManager.cpp

@@ -121,11 +121,6 @@ void DialogManager::requestScreenSaverPlay()
     mScreenSaverWindow->play();
 }
 
-void DialogManager::requestScreenSaverStop(bool aIsStopLocker)
-{
-    mScreenSaverWindow->stop(aIsStopLocker);
-}
-
 DialogResult DialogManager::requestResetAdminPwd()
 {
     AdminSPwdDialog dialog(mTopWidget);
@@ -487,15 +482,10 @@ void DialogManager::raiseDeviceError(QObject *parent, QObject *msg) {
     dialog->showExitButton();
     setTopWidget(dialog);
     dialog->setWindowModality(Qt::WindowModal);
-    mScreenSaverWindow->stop(true);
     dialog->showFullScreen ();
     dialog->exec();
     releaseTopWidget(dialog);
     dialog->deleteLater();
-    if (nullptr != mTopWidget && !mTopWidget->inherits("GUIMessageDialog"))
-    {
-        mScreenSaverWindow->startLocker();
-    }
 }
 
 // 扫描过程 dialog 只能为最底层，并且会被error dialog 清除！

src/dialogs/DialogManager.h

@@ -44,7 +44,6 @@ public:
     void init(QWidget* aParent);
         void requestLogin(QWidget* aParent);
     void requestScreenSaverPlay();
-    void requestScreenSaverStop(bool aIsStopLocker = false);
     DialogResult requestResetAdminPwd();
     int requestAddAccount(QSqlTableModel* model);
     int requestEditSelfAccount();