ihealth_ios/Inhealth/NotificationExtension.swift

//
//  NotificationExtension.swift
//  Inhealth
//
//  Created by weclouds on 2019/12/24.
//  Copyright © 2019 weclouds. All rights reserved.
//

import Foundation

protocol Notifier {
    associatedtype Notification:RawRepresentable
}

extension Notifier where Notification.RawValue == String{
    fileprivate static func name(for notification:Notification) -> String{
        return "\(self).\(notification.rawValue)"
    }
    
    func postNotification(_ notification:Notification,object:Any? = nil,userInfo:[String:Any]? = nil)  {
        
    }
    static func postNotification(_ notification:Notification,object:Any? = nil,userInfo:[String:Any]? = nil){
        let aName = name(for: notification)
        NotificationCenter.default.post(name: Foundation.Notification.Name(aName), object: object, userInfo: userInfo)
    }
    
    static func addObserver(_ observer:Any,selector:Selector,notification:Notification,object:Any? = nil){
        let aName = name(for: notification)
        NotificationCenter.default.addObserver(observer, selector: selector, name: NSNotification.Name(aName), object: object)
    }
    
    static
        func removeObserver(_ observer: Any,notification:Notification,object:Any? = nil){
        let aName = name(for: notification)
        NotificationCenter.default.removeObserver(observer, name: NSNotification.Name(rawValue: aName), object: object)
    }
}