iframe-proxy | Sunbelt Computer Software

This repository was archived by the owner on Oct 19, 2022. It is now read-only.

32 lines (25 loc) · 496 Bytes

#include "Observer.h"
#include "Subject.h"
void Subject::Attach(Observer* obv) {
    _obvs.push_front(obv);
void Subject::Detach(Observer* obv) {
    if (obv != nullptr) {
        _obvs.remove(obv);
void Subject::Notify() {
    for (auto obv : _obvs) {
        obv->Update(this);
Subject::~Subject() { }
Subject::Subject() { 
    //_obvs.clear();
string ConcreteSubject::GetState() {
    return _st;
void ConcreteSubject::SetState(const string& st) {
    _st = st;

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