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engines/hadesch/event.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.
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ * Copyright 2020 Google
+ *
+ */
+#ifndef HADESCH_EVENT_H
+#define HADESCH_EVENT_H
+
+namespace Hadesch {
+
+class EventHandler {
+public:
+	virtual void operator()() = 0;
+	virtual ~EventHandler() {}
+};
+
+class EventHandlerWrapper {
+public:
+	void operator()() const;
+	bool operator==(int eventId) const;
+
+	EventHandlerWrapper(int eventId) {
+		_eventId = eventId;
+	}
+
+	EventHandlerWrapper() {
+		_eventId = -1;
+	}
+
+	EventHandlerWrapper(Common::SharedPtr<EventHandler> handler) {
+		_handler = handler;
+		_eventId = -1;
+	}
+
+	Common::String getDebugString() const {
+		return Common::String::format("eventid=%d, handler is %s", _eventId,
+					      !!_handler ? "valid" : "null");
+	}
+
+private:
+	Common::SharedPtr<EventHandler> _handler;
+	int _eventId;
+};
+}
+
+#endif