//
  //  VKCaptchaViewController.h
  //
  //  Copyright (c) 2014 VK.com
  //
  //  Permission is hereby granted, free of charge, to any person obtaining a copy of
  //  this software and associated documentation files (the "Software"), to deal in
  //  the Software without restriction, including without limitation the rights to
  //  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  //  the Software, and to permit persons to whom the Software is furnished to do so,
  //  subject to the following conditions:
  //
  //  The above copyright notice and this permission notice shall be included in all
  //  copies or substantial portions of the Software.
  //
  //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  //  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  //  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  //  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  //  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  #import <UIKit/UIKit.h>
  #import "VKError.h"
  
  /**
  Controller fo displaying captcha.
  */
  @interface VKCaptchaViewController : UIViewController {
  @private
      VKError *_captchaError;
  }
  /**
  Initializes controller with captcha url
  @param error error for request that causes captcha-check
  @returns Prepared controller. Best way to use it - use presentIn: method
  */
  + (instancetype)captchaControllerWithError:(VKError *)error;
  
  /**
  Presents current view controller in another. Automatically hides when captcha was answered properly
  @param viewController Parent view controller
  */
  - (void)presentIn:(UIViewController *)viewController;
  @end