observable.cpp
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/******************************************************
* Presage, an extensible predictive text entry system
* ---------------------------------------------------
*
* Copyright (C) 2008 Matteo Vescovi <matteo.vescovi@yahoo.co.uk>
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.
*
**********(*)*/
#include "observable.h"
#include <iostream>
Observable::~Observable ()
{
// complete
}
void Observable::attach (Observer* observer)
{
observers.push_back (observer);
}
void Observable::detach (Observer* observer)
{
observers.remove (observer);
}
void Observable::notify ()
{
for (std::list <Observer*>::iterator it = observers.begin ();
it != observers.end ();
it++) {
//std::cerr << "notify() observable: " << *it << std::endl;
(*it)->update (this);
}
}
Observable::Observable ()
{
// complete
}
Observer
Definition: observer.h:33
Observable::detach
virtual void detach(Observer *observer)
Definition: observable.cpp:38
Observable::observers
std::list< Observer * > observers
Definition: observable.h:70
Observable::~Observable
virtual ~Observable()
Definition: observable.cpp:28
Observable::attach
virtual void attach(Observer *observer)
Definition: observable.cpp:33
Observable::notify
virtual void notify()
Definition: observable.cpp:43
observable.h
Observable::Observable
Observable()
Definition: observable.cpp:53