fix(notification-ukcc-plugin): 修改启动时导致设置卡顿的问题

notification-ukcc-plugin/notification-ukcc-plugin.cpp

@@ -26,8 +26,17 @@
 #include <QApplication>
 #include <QTranslator>
 #include <QtConcurrent/QtConcurrent>
+#include <mutex>
 
 #define THEME_QT_SCHEMA  "org.ukui.style"
+static std::once_flag flag;
+static UkuiSearch::ApplicationInfo *s_appInfo = nullptr;
+UkuiSearch::ApplicationInfo *appInfo() {
+    std::call_once(flag, [ & ] {
+        s_appInfo = new UkuiSearch::ApplicationInfo();
+    });
+    return s_appInfo;
+}
 
 class ToolButton : public QToolButton
 {
@@ -59,9 +68,6 @@ Notice::Notice()
     if (!m_globalSettings) {
         m_globalSettings = new UkuiNotification::NotificationGlobalSettings();
     }
-    if (!m_appInfo) {
-        m_appInfo = new UkuiSearch::ApplicationInfo();
-    }
 
     m_pluginWidget = new QWidget;
     m_pluginWidget->setAttribute(Qt::WA_DeleteOnClose);
@@ -79,11 +85,6 @@ Notice::~Notice()
         delete m_globalSettings;
         m_globalSettings = nullptr;
     }
-    if (m_appInfo) {
-        delete m_appInfo;
-        m_appInfo = nullptr;
-    }
-
 }
 
 QString Notice::plugini18nName()
@@ -473,7 +474,7 @@ void Notice::initListUI()
     connect(this, &Notice::appDataInfo, this, &Notice::addItemUi, Qt::QueuedConnection);
 
     QtConcurrent::run([=](){
-        const UkuiSearch::ApplicationInfoMap& appInfoMap = m_appInfo->getInfo(properties, restrictions);
+        const UkuiSearch::ApplicationInfoMap& appInfoMap = appInfo()->getInfo(properties, restrictions);
         Q_EMIT appDataInfo(appInfoMap);
     });
 
@@ -487,7 +488,7 @@ void Notice::initListUI()
         };
 
         QtConcurrent::run([=](){
-            UkuiSearch::ApplicationPropertyMap dataMap = m_appInfo->getInfo(desktopEntry, properties);
+            UkuiSearch::ApplicationPropertyMap dataMap = appInfo()->getInfo(desktopEntry, properties);
             UkuiSearch::ApplicationInfoMap appInfoMap = {{desktopEntry, dataMap}};
             Q_EMIT appDataInfo(appInfoMap);
         });

notification-ukcc-plugin/notification-ukcc-plugin.h

@@ -110,8 +110,6 @@ private:
     QVBoxLayout *m_appListVerticalLayout = nullptr;
 
     UkuiNotification::NotificationGlobalSettings *m_globalSettings = nullptr;
-
-    UkuiSearch::ApplicationInfo *m_appInfo = nullptr;
 };
 
 #endif // NOTIFICATION_UKCC_PLUGIN_H