text: //
  //  CYPortalTransitionContext.h
  //  PortalTransitionExample
  //
  //  Created by Ce Yang on 23/05/2015.
  //  Copyright (c) 2015 Ce Yang. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface CYPortalTransitionContext : NSObject <UIViewControllerContextTransitioning>
  
  @property (nonatomic, copy) void(^completionBlock)(BOOL compeleted);
  //Designed Initilizer
  - (instancetype)initWithFromViewController:(UIViewController *)fromViewController toViewController:(UIViewController *)toViewController;
  @property (nonatomic, weak) UIView *containerView;
  @property (nonatomic, getter=isInteractive) BOOL interactive;
  @property (nonatomic, getter=isAnimated) BOOL animated;
  
  @end
  