event.h

/* 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