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diff --git a/engines/pegasus/notification.h b/engines/pegasus/notification.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef PEGASUS_NOTIFICATION_H
+#define PEGASUS_NOTIFICATION_H
+
+#include "common/array.h"
+#include "common/list.h"
+
+#include "pegasus/types.h"
+#include "pegasus/util.h"
+
+namespace Pegasus {
+
+class NotificationManager;
+class NotificationReceiver;
+
+struct ReceiverEntry {
+	NotificationReceiver *receiver;
+	NotificationFlags mask;
+};
+
+int operator==(const ReceiverEntry &entry1, const ReceiverEntry &entry2);
+int operator!=(const ReceiverEntry &entry1, const ReceiverEntry &entry2);
+
+typedef Common::Array<ReceiverEntry> ReceiverList;
+
+/*
+	A notification can have 32 flags associated with it, which can be user-defined.
+*/
+
+class Notification : public IDObject {
+friend class NotificationManager;
+
+public:
+	Notification(const NotificationID id, NotificationManager *owner);
+	virtual ~Notification();
+
+	// notifyMe will have this receiver notified when any of the specified notification
+	// flags are set.
+	// If there is already a notification set for this receiver, notifyMe does a bitwise
+	// OR with the receiver's current notification flags.
+
+	// Can selectively set or clear notification bits by using the flags and mask argument.
+
+	void notifyMe(NotificationReceiver*, NotificationFlags flags, NotificationFlags mask);
+	void cancelNotification(NotificationReceiver *receiver);
+
+	void setNotificationFlags(NotificationFlags flags,	NotificationFlags mask);
+	NotificationFlags getNotificationFlags() { return _currentFlags; }
+
+	void clearNotificationFlags() { setNotificationFlags(0, ~(NotificationFlags)0); }
+
+protected:
+	void checkReceivers();
+
+	NotificationManager *_owner;
+	ReceiverList _receivers;
+	NotificationFlags _currentFlags;
+};
+
+class NotificationReceiver {
+friend class Notification;
+
+public:
+	NotificationReceiver();
+	virtual ~NotificationReceiver();
+
+protected:
+	// receiveNotification is called automatically whenever a notification that this
+	// receiver depends on has its flags set
+
+	virtual void receiveNotification(Notification *, const NotificationFlags);
+	virtual void newNotification(Notification *notification);
+
+private:
+	Notification *_notification;
+};
+
+typedef Common::List<Notification *> NotificationList;
+
+class NotificationManager : public NotificationReceiver {
+friend class Notification;
+
+public:
+	NotificationManager();
+	virtual ~NotificationManager();
+
+	void checkNotifications();
+
+protected:
+	void addNotification(Notification *notification);
+	void removeNotification(Notification *notification);
+	void detachNotifications();
+
+	NotificationList _notifications;
+};
+
+} // End of namespace Pegasus
+
+#endif