text: /*   Copyright 2013 APPNEXUS INC
   
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
   
   http://www.apache.org/licenses/LICENSE-2.0
   
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
   */
  
  #import <UIKit/UIKit.h>
  
  @interface UIView (ANCategory)
  
  - (void)an_presentView:(UIView *)view animated:(BOOL)animated;
  - (void)an_presentView:(UIView *)view animated:(BOOL)animated completion:(void (^)(BOOL))completion;
  
  - (void)an_dismissFromPresentingViewAnimated:(BOOL)animated;
  
  - (void)an_removeSubviews;
  - (void)an_removeSubviewsWithException:(UIView *)exception;
  
  - (BOOL)an_isViewable;
  - (BOOL)an_isAtLeastHalfViewable;
  - (CGFloat)an_exposedPercentage;
  - (CGRect)an_visibleRectangle;
  
  - (UIViewController *)an_parentViewController;
  
  - (CGRect)an_originalFrame;
  
  #pragma mark - Autolayout
  
  - (void)an_constrainWithSize:(CGSize)size;
  - (void)an_constrainWithFrameSize;
  - (void)an_removeSizeConstraint;
  - (void)an_extractWidthConstraint:(NSLayoutConstraint **)widthConstraint
                   heightConstraint:(NSLayoutConstraint **)heightConstraint;
  
  - (void)an_constrainToSizeOfSuperview;
  - (void)an_constrainToSizeOfSuperviewApplyingSafeAreaLayoutGuide;
  - (void)an_removeSizeConstraintToSuperview;
  
  - (void)an_alignToSuperviewWithXAttribute:(NSLayoutAttribute)xAttribute
                                 yAttribute:(NSLayoutAttribute)yAttribute;
  - (void)an_alignToSuperviewWithXAttribute:(NSLayoutAttribute)xAttribute
                                 yAttribute:(NSLayoutAttribute)yAttribute
                                    offsetX:(CGFloat)offsetX
                                    offsetY:(CGFloat)offsetY;
  - (void)an_alignToSuperviewApplyingSafeAreaLayoutGuideWithXAttribute:(NSLayoutAttribute)xAttribute
                                         yAttribute:(NSLayoutAttribute)yAttribute
                                            offsetX:(CGFloat)offsetX
                                            offsetY:(CGFloat)offsetY;
  - (void)an_removeAlignmentConstraintsToSuperview;
  
  @end
  