sync: from linuxdeepin/dde-session-shell (#459)

Synchronize source files from linuxdeepin/dde-session-shell.

Source-pull-request: linuxdeepin/dde-session-shell#37

Co-authored-by: zhaoyingzhen <[email protected]>

Author: deepin-ci-robot

.tx/transifex.yaml

@@ -0,0 +1,13 @@
+filters:
+- filter_type: file
+  source_file: translations/dde-session-shell_en.ts
+  file_format: QT
+  source_language: en
+  translation_files_expression: translations/dde-session-shell_<lang>.ts
+- filter_type: file
+  source_file: plugins/login-gesture/translations/login-gesture_en.ts
+  file_format: QT
+  source_language: en
+  translation_files_expression: plugins/login-gesture/translations/login-gesture_<lang>.ts
+settings:
+  pr_branch_name: transifex_update_<br_unique_id>

src/widgets/fullscreenbackground.cpp

@@ -87,15 +87,6 @@ FullScreenBackground::FullScreenBackground(SessionBaseModel *model, QWidget *par
         m_shutdownBlackWidget->setFixedSize(this->size());
         m_shutdownBlackWidget->setBlackMode(value);
     });
-
-    connect(m_model, &SessionBaseModel::shutdownkModeChanged, this, [this] (bool value){
-        if (!m_shutdownBlackWidget) {
-            m_shutdownBlackWidget = new ShutdownBlackWidget(this);
-        }
-        qCInfo(DDE_SHELL) << "FullScreenBackground size : " << size();
-        m_shutdownBlackWidget->setFixedSize(this->size());
-        m_shutdownBlackWidget->setBlackMode(value);
-    });
 }
 
 FullScreenBackground::~FullScreenBackground()