Rx extension for UIImagePickerController+Rx.swift

UIImagePickerController+Rx.swift

//
//  UIImagePickerController+Rx.swift
//  RxSubject
//
//  Created by Hung Dinh Van on 12/27/16.
//  Copyright © 2016 ChuCuoi. All rights reserved.
//

import UIKit
import RxCocoa
import RxSwift

extension UIImagePickerController {
    
    /// Factory method that enables subclasses to implement their own `delegate`.
    /// - returns: Instance of delegate proxy that wraps `delegate`.
    func createRxDelegateProxy() -> RxImagePickerControllerDelegateProxy {
        return RxImagePickerControllerDelegateProxy(parentObject: self)
    }
    
}

extension Reactive where Base: UIImagePickerController {
    
    /// Reactive wrapper for `delegate`.
    ///
    /// For more information take a look at `DelegateProxyType` protocol documentation.
    var delegate: DelegateProxy {
        return RxImagePickerControllerDelegateProxy.proxyForObject(base)
    }
    
    /// Reactive wrapper for `didFinishPickingMediaWithInfo`.
    var didFinishPickingMediaWithInfo: Observable<[String : Any]> {
        let proxy = RxImagePickerControllerDelegateProxy.proxyForObject(base)
        return proxy.didFinishPickingSubject
    }
    
    /// Reactive wrapper for `didCancel`.
    var didCancel: Observable<Void> {
        let proxy = RxImagePickerControllerDelegateProxy.proxyForObject(base)
        return proxy.didCancelPickingSubject
    }
}