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/*
* Copyright 2009,2010,2011 Reality Jockey, Ltd.
* info@rjdj.me
* http://rjdj.me/
*
* This file is part of ZenGarden.
*
* ZenGarden is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ZenGarden 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with ZenGarden. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef _MESSAGE_DELAY_H_
#define _MESSAGE_DELAY_H_
#include "MessageObject.h"
/**
* [delay float]
* A delay only has one outstanding message at any time. If a scheduled message already exists
* and a new message is sent into the object, then the previously scheduled message will be cancelled
* and the new one rescheduled. For a generalised delay line, use the pipe (<code>MessagePipe</code>)
* object.
*/
class MessageDelay : public MessageObject {
public:
static MessageObject *newObject(PdMessage *initMessage, PdGraph *graph);
MessageDelay(PdMessage *initMessage, PdGraph *graph);
~MessageDelay();
static const char *getObjectLabel();
std::string toString();
void sendMessage(int outletIndex, PdMessage *message);
private:
void processMessage(int inletIndex, PdMessage *message);
void cancelScheduledMessageIfExists();
double delayMs;
PdMessage *scheduledMessage;
};
inline const char *MessageDelay::getObjectLabel() {
return "delay";
}
inline std::string MessageDelay::toString() {
return MessageDelay::getObjectLabel();
}
#endif // _MESSAGE_DELAY_H_