feat: refactor xdgactivationclient to follow dde-shell pattern

- Use DObject private pattern (D_DECLARE_PRIVATE)
- Use signal-based API (tokenReady signal) instead of callback
- Create shared library for multiple plugins to use
- Follow dde-shell xdgactivation implementation pattern

Author: 18202781743

src/tray-wayland-integration/xdgactivationclient.h

@@ -4,34 +4,32 @@
 
 #pragma once
 
+#include <DObject>
 #include <QObject>
-#include <QPointer>
-#include <QString>
-#include <functional>
+#include <QWindow>
 
-class QWindow;
+#include "dsglobal.h"
 
 namespace tray {
 
-class XdgActivationTokenV1;
-
-class XdgActivationClient : public QObject
+class XdgActivationClientPrivate;
+class XdgActivationClient : public QObject, public DTK_CORE_NAMESPACE::DObject
 {
     Q_OBJECT
+    D_DECLARE_PRIVATE(XdgActivationClient)
 public:
     static XdgActivationClient *instance();
 
     bool isActive() const;
 
-    using TokenCallback = std::function<void(const QString &token)>;
-    void requestToken(QWindow *window, const QString &appId, TokenCallback callback);
+    void requestToken(QWindow *window = nullptr, const QString &appId = {});
+
+Q_SIGNALS:
+    void tokenReady(const QString &token);
 
 private:
     explicit XdgActivationClient(QObject *parent = nullptr);
     ~XdgActivationClient() override;
-
-    class XdgActivationV1 *m_activation = nullptr;
-    QPointer<XdgActivationTokenV1> m_pendingProvider;
 };
 
 } // namespace tray