wowmodelviewer/Observer_8h_source.html

#pragma once


#include <list>


class Event;

class Observable;


class Observer

{

public:

    Observer();

    virtual ~Observer();


    virtual void onDestroyEvent()

    {

    }


    virtual void onEvent(Event*) = 0;


private:

    void treatEvent(Event*);

    void addObservable(Observable*);

    void removeObservable(Observable*);

    std::list<Observable*>::iterator findObservable(Observable*);

    std::list<Observable*> m_observableList;

    friend class Observable;

};


Event
Lightweight event object carrying a type tag and sender reference.
Definition Event.h:9

Observable
Subject in the Observer pattern; maintains a list of Observer subscribers.
Definition Observable.h:12

Observer
Listener in the Observer pattern; receives events from Observable subjects.
Definition Observer.h:12

Observer::onEvent
virtual void onEvent(Event *)=0
Handle an incoming event. Must be implemented by subclasses.

Observer::Observer
Observer()
Definition Observer.cpp:5

Observer::addObservable
void addObservable(Observable *)
Definition Observer.cpp:36

Observer::treatEvent
void treatEvent(Event *)
Definition Observer.cpp:19

Observer::~Observer
virtual ~Observer()
Definition Observer.cpp:10

Observer::findObservable
std::list< Observable * >::iterator findObservable(Observable *)
Definition Observer.cpp:50

Observer::removeObservable
void removeObservable(Observable *)
Definition Observer.cpp:45

Observer::onDestroyEvent
virtual void onDestroyEvent()
Called when an observed subject is destroyed.
Definition Observer.h:18

Observer::m_observableList
std::list< Observable * > m_observableList
Definition Observer.h:30