DesignPattern/20.ObserverPattern/2.Code/AllyCenter.h

#ifndef __ALLYCENTER_H__
#define __ALLYCENTER_H__

#include "common.h"
#include <vector>
#include <string>

// 前向声明
class Observer;
class Player;

// 抽象目标：联盟中心
class AllyCenter
{
public:
	AllyCenter();
	virtual ~AllyCenter() {}
	// 声明通知方法
	virtual void notify(INFO_TYPE infoType, std::string name) = 0;
	// 加入玩家
	void join(Observer *player);
	// 移除玩家
	void remove(Observer *player);

protected:
	// 玩家列表
	std::vector<Observer *> playerList;
};

// 具体目标
class AllyCenterController : public AllyCenter
{
public:
	AllyCenterController();
	// 实现通知方法
	void notify(INFO_TYPE infoType, std::string name);
};

#endif //__ALLYCENTER_H__