fix(dock): debounce tray plugin list logging to ensure stable state

debian/control

@@ -5,7 +5,7 @@ Maintainer: Deepin Packages Builder <packages@deepin.com>
 Build-Depends:
  debhelper-compat (= 13),
  cmake,
- dde-application-manager-api (>> 1.2.51),
+ dde-application-manager-api (>= 1.2.48),
  dde-api-dev (>> 6.0.39),
  dde-tray-loader-dev (> 2.0.24),
  extra-cmake-modules,
@@ -82,6 +82,7 @@ Depends:
  qml6-module-qtquick-layouts,
  qml6-module-qtquick-window,
  qt6-wayland (>= 6.8),
+ dde-application-manager (>> 1.2.51),
  ${misc:Depends},
  ${shlibs:Depends},
 Breaks:

panels/dock/dockdbusproxy.cpp

@@ -81,9 +81,11 @@ DockDBusProxy::DockDBusProxy(DockPanel* parent)
             timer->stop();
             timer->deleteLater();
             connect(m_trayApplet, SIGNAL(pluginsChanged()), this, SIGNAL(pluginsChanged()));
-            QTimer::singleShot(3000, this, [this]() {
-                logInitialPluginState();
+            // Trigger a debounced log on each change, and also schedule one immediately after first load
+            connect(this, &DockDBusProxy::pluginsChanged, this, [this]() {
+                scheduleDebouncedLog();
             });
+            scheduleDebouncedLog();
         }
     });
     timer->start();
@@ -301,6 +303,20 @@ void DockDBusProxy::logCurrentVisiblePluginList(const QString &changedItemKey, b
 #endif
 }
 
+// Restart the timer on every pluginsChanged; only log after the list stays stable for 2s
+void DockDBusProxy::scheduleDebouncedLog()
+{
+    if (!m_debounceTimer) {
+        m_debounceTimer = new QTimer(this);
+        m_debounceTimer->setSingleShot(true);
+        m_debounceTimer->setInterval(2000);
+        connect(m_debounceTimer, &QTimer::timeout, this, [this]() {
+            logInitialPluginState();
+        });
+    }
+    m_debounceTimer->start();
+}
+
 void DockDBusProxy::ReloadPlugins()
 {
     parent()->ReloadPlugins();

panels/dock/dockdbusproxy.h

@@ -91,8 +91,12 @@ class DockDBusProxy final: public QObject, public QDBusContext
     void updateDockPluginsVisible(const QVariantMap &pluginsVisible);
     void logInitialPluginState();
     void logCurrentVisiblePluginList(const QString &changedItemKey = QString(), bool changedVisible = true);
+    // Debounce logging the initial plugin list, as it may change asynchronously right after load
+    void scheduleDebouncedLog();
 
     DS_NAMESPACE::DAppletProxy *m_oldDockApplet;
     DS_NAMESPACE::DAppletProxy *m_trayApplet;
+    // Debounce timer to ensure the plugin list has stabilized before logging
+    QTimer *m_debounceTimer = nullptr;
 };
 }