text: //
  // MDCPanState.h
  //
  // Copyright (c) 2014 to present, Brian Gesiak @modocache
  //
  // 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 "MDCSwipeDirection.h"
  
  /*!
   * An object representing the state of the current pan gesture.
   * This is provided as an argument to `MDCSwipeToChooseOnPanBlock` callbacks.
   */
  @interface MDCPanState : NSObject
  
  /*!
   * The view being panned.
   */
  @property (nonatomic, strong) UIView *view;
  
  /*!
   * The direction of the current pan. Note that a direction of `MDCSwipeDirectionRight`
   * does not imply that the threshold has been reached.
   */
  @property (nonatomic, assign) MDCSwipeDirection direction;
  
  /*!
   * The ratio of the threshold that has been reached. This can take on any value
   * between `0.0f` and `1.0f`, with `1.0f` meaning the threshold has been reached.
   * A `thresholdRatio` of `1.0f` implies that were the user to end the pan gesture,
   * the current direction would be chosen.
   */
  @property (nonatomic, assign) CGFloat thresholdRatio;
  
  @end
  