initial commit

2025-09-01 20:47:58 +08:00
commit 12c51b5ddb
843 changed files with 475321 additions and 0 deletions
@@ -0,0 +1,50 @@
+//
+// AbstractObserver.h
+//
+// Library: Foundation
+// Package: Notifications
+// Module:  NotificationCenter
+//
+// Definition of the AbstractObserver class.
+//
+// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier:	BSL-1.0
+//
+
+
+#ifndef Foundation_AbstractObserver_INCLUDED
+#define Foundation_AbstractObserver_INCLUDED
+
+
+#include "Poco/Foundation.h"
+#include "Poco/Notification.h"
+
+
+namespace Poco {
+
+
+class Foundation_API AbstractObserver
+	/// The base class for all instantiations of
+	/// the Observer and NObserver template classes.
+{
+public:
+	AbstractObserver();
+	AbstractObserver(const AbstractObserver& observer);
+	virtual ~AbstractObserver();
+	
+	AbstractObserver& operator = (const AbstractObserver& observer);
+
+	virtual void notify(Notification* pNf) const = 0;
+	virtual bool equals(const AbstractObserver& observer) const = 0;
+	virtual bool accepts(Notification* pNf) const = 0;
+	virtual AbstractObserver* clone() const = 0;
+	virtual void disable() = 0;
+};
+
+
+} // namespace Poco
+
+
+#endif // Foundation_AbstractObserver_INCLUDED