#import <TiProxy.h>
  #import <TiPoint.h>
  #import <TiColor.h>
  #import <ListenerEntry.h>
  #import <LayoutConstraint.h>
  #import <QuartzCore/QuartzCore.h>
  
  
  
  @protocol TiAnimationDelegate
  
  @optional
  
  -(BOOL)animationShouldTransition:(id)sender;
  -(void)animationWillStart:(id)sender;
  -(void)animationDidStart:(id)sender;
  -(void)animationWillComplete:(id)sender;
  -(void)animationDidComplete:(id)sender;
  
  @end
  
  @interface TiAnimation : TiProxy {
  @private
          NSNumber        *zIndex;
          NSNumber        *left;
          NSNumber        *right;
          NSNumber        *top;
          NSNumber        *bottom;
          NSNumber        *width;
          NSNumber        *height;
          NSNumber        *duration;
          TiPoint                *center;
          TiColor                *backgroundColor;
          TiColor                *color;
          NSNumber        *opacity;
          NSNumber        *opaque;
          NSNumber        *visible;
          NSNumber        *curve;
          NSNumber        *repeat;
          NSNumber        *autoreverse;
          NSNumber        *delay;
          TiProxy                *transform;
          NSNumber        *transition;
          TiViewProxy        *view;
  
          // this is a temporary function passed in
          ListenerEntry *callback;
          
          NSObject<TiAnimationDelegate> *delegate;
  
          // for animation delegate
          UIView* animatedView;
                  
          // for autoreverse
          LayoutConstraint autoreverseLayout;
          UIView *autoreverseView;
          id transformMatrix;
  }
  
  @property(nonatomic,assign,readwrite) NSObject<TiAnimationDelegate> *delegate;
  
  @property(nonatomic,readwrite,assign) UIView* animatedView;
  @property(nonatomic,readwrite,assign) UIView* autoreverseView;
  @property(nonatomic,readwrite,assign) id transformMatrix;
  @property(nonatomic,readonly) LayoutConstraint autoreverseLayout;
  @property(nonatomic,readonly) ListenerEntry* callback;
  
  // animatable properties against what is being animated
  @property(nonatomic,retain,readwrite) NSNumber        *zIndex;
  @property(nonatomic,retain,readwrite) NSNumber        *left;
  @property(nonatomic,retain,readwrite) NSNumber        *right;
  @property(nonatomic,retain,readwrite) NSNumber        *top;
  @property(nonatomic,retain,readwrite) NSNumber        *bottom;
  @property(nonatomic,retain,readwrite) NSNumber        *width;
  @property(nonatomic,retain,readwrite) NSNumber        *height;
  @property(nonatomic,retain,readwrite) NSNumber        *duration;
  @property(nonatomic,retain,readwrite) TiPoint        *center;
  @property(nonatomic,retain,readwrite) TiColor        *color;
  @property(nonatomic,retain,readwrite) TiColor        *backgroundColor;
  @property(nonatomic,retain,readwrite) NSNumber        *opacity;
  @property(nonatomic,retain,readwrite) NSNumber        *opaque;
  @property(nonatomic,retain,readwrite) NSNumber        *visible;
  
  // properties that control the animation 
  @property(nonatomic,retain,readwrite) NSNumber        *curve;
  @property(nonatomic,retain,readwrite) NSNumber        *repeat;
  @property(nonatomic,retain,readwrite) NSNumber        *autoreverse;
  @property(nonatomic,retain,readwrite) NSNumber        *delay;
  @property(nonatomic,retain,readwrite) TiProxy        *transform;
  @property(nonatomic,retain,readwrite) NSNumber        *transition;
  @property(nonatomic,retain,readwrite) TiProxy        *view;
  
  +(TiAnimation*)animationFromArg:(id)args context:(id<TiEvaluator>)context create:(BOOL)yn;
  
  -(id)initWithDictionary:(NSDictionary*)properties context:(id<TiEvaluator>)context;
  
  -(id)initWithDictionary:(NSDictionary*)properties context:(id<TiEvaluator>)context callback:(KrollCallback*)callback;
  
  -(void)animate:(id)args;
  
  -(BOOL)isTransitionAnimation;
  
  @end