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/*
* signals.cpp
*
* Created on: 25/03/2015
* Author: raster
*/
#include "signals.hh"
Signals::Signals() {
}
Signals::~Signals() {
// Unsubscribe from all the emiters
std::list<class Signals *>::iterator iter;
for (iter = this->subscribed.begin(); iter != this->subscribed.end(); ++iter) {
(*iter)->unregister_signal("",this);
}
}
void Signals::send_signal(std::string signal_name) {
std::map<string,class Signals *>::iterator iter;
for(iter = this->signal_list.find(signal_name); iter != this->signal_list.end(); ++iter) {
if (!((*iter).second->callback_receiver(signal_name,this))) {
break;
}
}
}
void Signals::register_signal(std::string signal_name, class Signals *receiver) {
std::map<string,class Signals *>::iterator iter;
for(iter = this->signal_list.find(signal_name); iter != this->signal_list.end(); ++iter) {
if ((*iter).second == receiver) {
return; // this signal is already connected to the receiver
}
}
this->signal_list.insert(std::pair<string,class Signals *>(signal_name,receiver));
}
void Signals::unregister_signal(std::string signal_name, class Signals *receiver) {
std::map<string,class Signals *>::iterator iter;
if (signal_name != "") {
for(iter = this->signal_list.find(signal_name); iter != this->signal_list.end(); ++iter) {
if ((*iter).second == receiver) {
this->signal_list.erase(iter);
return;
}
}
} else {
for(iter = this->signal_list.begin(); iter != this->signal_list.end(); ++iter) {
if ((*iter).second == receiver) {
this->signal_list.erase(iter);
return;
}
}
}
}
bool Signals::callback_receiver(std::string signal_name, class Signals *sender) {
return true;
}
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