完善桌宠内核基础设施

src/tray/TrayController.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <QMenu>
+#include <QSystemTrayIcon>
+
+class PetWindow;
+
+class TrayController
+{
+public:
+    explicit TrayController(PetWindow *petWindow);
+
+    bool isAvailable() const;
+    void show();
+
+private:
+    void createMenu();
+    void showPetWindow();
+    void hidePetWindow();
+    void togglePetWindowVisibility();
+    void quitApplication();
+
+    PetWindow *m_petWindow = nullptr;
+    QSystemTrayIcon m_trayIcon;
+    QMenu m_menu;
+};