Revert "fix: Stuck in dbus data acquisition"

This reverts commit 70a2ea3.

Author: wangfei

panels/dock/clipboarditem/clipboarditem.cpp

@@ -13,8 +13,6 @@
 
 #include <QGuiApplication>
 #include <QBuffer>
-#include <QDBusServiceWatcher>
-#include <QDBusConnectionInterface>
 
 DGUI_USE_NAMESPACE
 
@@ -31,34 +29,17 @@ static DDBusSender clipboardDbus()
         .interface(clipboardInterface);
 }
 
-static  QDBusServiceWatcher dbusWatcher(clipboardService, QDBusConnection::sessionBus(),
-                                                QDBusServiceWatcher::WatchForOwnerChange);
-
 ClipboardItem::ClipboardItem(QObject *parent)
     : DApplet(parent)
     , m_visible(true)
     , m_clipboardVisible(false)
 {
     QDBusConnection::sessionBus().connect(clipboardService, clipboardPath, clipboardInterface,
                                           "clipboardVisibleChanged", this, SLOT(onClipboardVisibleChanged(bool)));
-
-    auto func = [this](){
-        QDBusInterface clipboardInter(clipboardService, clipboardPath, clipboardInterface, QDBusConnection::sessionBus());
-        if (clipboardInter.isValid()) {
-            m_clipboardVisible = clipboardInter.property("clipboardVisible").toBool();
-        }
-    };
-    if (QDBusConnection::sessionBus().interface()->isServiceRegistered(clipboardService)) {
-        func();
+    QDBusInterface clipboardInter(clipboardService, clipboardPath, clipboardInterface, QDBusConnection::sessionBus());
+    if (clipboardInter.isValid()) {
+        m_clipboardVisible = clipboardInter.property("clipboardVisible").toBool();
     }
-
-    connect(&dbusWatcher, &QDBusServiceWatcher::serviceRegistered, this, [this, func](){
-        func();
-    });
-
-    connect(&dbusWatcher, &QDBusServiceWatcher::serviceUnregistered, this, [this](){
-        m_clipboardVisible = false;
-    });
 }
 
 void ClipboardItem::toggleClipboard()