#import <TiProxy.h>
  #import <TiUIView.h>
  #import <pthread.h>
  
  @protocol TiKeyboardFocusableView
  
  #pragma mark Public DerbyApp APIs.
  (void)focus:(id)args;
  (void)blur:(id)args;
  
  #pragma mark Private internal APIs.
  @property(nonatomic,readonly) UIView * keyboardAccessoryView;
  @property(nonatomic,readonly) CGFloat keyboardAccessoryHeight;
  
  @end
  
  #pragma mark dirtyflags used by TiViewProxy
  define NEEDS_LAYOUT_CHILDREN        1
  
  enum
  {
          TiRefreshViewPosition = 2,
          TiRefreshViewChildrenPosition,
          TiRefreshViewZIndex,
          TiRefreshViewSize,
  
          TiRefreshViewEnqueued,
  };
  
   TiBlob;
  //For TableRows, we need to have minimumParentHeightForWidth:
  @interface TiViewProxy : TiProxy<LayoutAutosizing> 
  {
  @protected
  //TODO: Actually have a rhyme and reason on keeping things @protected vs @private.
  //For now, for sake of proper value grouping, we're all under one roof.
  
  #pragma mark Layout properties
          LayoutConstraint layoutProperties;
          int zIndex;
          BOOL hidden;        //This is the boolean version of ![TiUtils boolValue:visible def:yes]
                  //And has nothing to do with whether or not it's onscreen or 
  
  #pragma mark Parent/Children relationships
          TiViewProxy *parent;
          pthread_rwlock_t childrenLock;
          NSMutableArray *children;
          NSMutableArray *pendingAdds;
  
  #pragma mark Visual components
          TiUIView *view;
          UIBarButtonItem * barButtonItem;
  
  #pragma mark Layout caches that can be recomputed
          CGFloat verticalLayoutBoundary;
          CGFloat horizontalLayoutBoundary;
          CGFloat horizontalLayoutRowHeight;        //Note, this has nothing to do with table views.
          int lastChildArranged;
  
          CGRect sandboxBounds;
          CGPoint positionCache;        //Recomputed and stored when position changes.
          CGRect sizeCache;        //Recomputed and stored when size changes.
          UIViewAutoresizing autoresizeCache;        //Changed by repositioning or resizing.
  
          BOOL parentVisible;
          //In most cases, this is the same as [parent parentVisible] && ![parent hidden]
          //However, in the case of windows attached to the root view, the parent is ALWAYS visible.
          //That is, will be true if and only if all parents are visible or are the root controller.
          //Use parentWillShow and parentWillHide to set this.
  
  #pragma mark Housecleaning that is set and used
          NSRecursiveLock *destroyLock;
  
          BOOL windowOpened;
          BOOL windowOpening;
  
          int dirtyflags;        //For atomic actions, best to be explicit about the 32 bitness.
          BOOL viewInitialized;
          BOOL repositioning;
          BOOL isUsingBarButtonItem;
  }
  
  #pragma mark public API
  @property(nonatomic,readwrite,assign) int zIndex;
  @property(nonatomic,readwrite,assign) BOOL parentVisible; // For tableview magic ONLY
  @property(nonatomic,readonly) NSArray *children;
  @property(nonatomic,readonly) TiPoint *center;
  
  -(void)add:(id)arg;
  -(void)remove:(id)arg;
  -(void)show:(id)arg;
  -(void)hide:(id)arg;
  -(void)animate:(id)arg;
  
  -(void)setTop:(id)value;
  -(void)setBottom:(id)value;
  -(void)setLeft:(id)value;
  -(void)setRight:(id)value;
  -(void)setWidth:(id)value;
  -(void)setHeight:(id)value;
  -(void)setLayout:(id)value;
  -(void)setMinWidth:(id)value;
  -(void)setMinHeight:(id)value;
  
  -(void)setSize:(id)value;
  -(void)setCenter:(id)value;
  -(id)animatedCenter;
  
  -(void)setBackgroundGradient:(id)arg;
  -(TiBlob*)toImage:(id)args;
  
  #pragma mark nonpublic accessors not related to Housecleaning
  @property(assign) TiViewProxy *parent;
  //TODO: make this a proper readwrite property declaration.
  
  @property(nonatomic,readonly,assign) LayoutConstraint * layoutProperties;
  @property(nonatomic,readwrite,assign) CGRect sandboxBounds;
          //This is unaffected by parentVisible. So if something is truely visible, it'd be [self visible] && parentVisible.
  -(void)setHidden:(BOOL)newHidden withArgs:(id)args;
  
  @property(nonatomic,retain) UIBarButtonItem * barButtonItem;
  -(TiUIView *)barButtonViewForSize:(CGSize)bounds;
  
  //NOTE: DO NOT SET VIEW UNLESS IN A TABLE VIEW, AND EVEN THEN.
  @property(nonatomic,readwrite,retain)TiUIView * view;
  
  -(NSMutableDictionary*)langConversionTable;
  
  #pragma mark Methods subclasses should override for behavior changes
  -(BOOL)suppressesRelayout;
  -(BOOL)supportsNavBarPositioning;
  -(BOOL)canHaveControllerParent;
  -(BOOL)shouldDetachViewOnUnload;
  -(UIView *)parentViewForChild:(TiViewProxy *)child;
  
  #pragma mark Event trigger methods
  -(void)windowWillOpen;
  -(void)windowDidOpen;
  -(void)windowWillClose;
  -(void)windowDidClose;
  
  -(void)willFirePropertyChanges;
  -(void)didFirePropertyChanges;
  
  -(void)viewWillAttach; // Need this for video player & possibly other classes which override newView
  -(void)viewDidAttach;
  -(void)viewWillDetach;
  -(void)viewDidDetach;
  
  #pragma mark Housecleaning state accessors
  //TODO: Sounds like the redundancy department of redundancy was here.
  -(BOOL)viewAttached;
  -(BOOL)viewInitialized;
  -(BOOL)viewReady;
  -(BOOL)windowHasOpened;
  -(BOOL)windowIsOpening;
  
  -(BOOL)isUsingBarButtonItem;
  
  -(CGRect)appFrame;        //TODO: Why is this here? It doesn't have anything to do with a specific instance.
  
  #pragma mark Building up and tearing down
  -(void)firePropertyChanges;
  -(TiUIView*)newView;
  
  -(void)detachView;
  -(void)destroy;
  -(void)removeBarButtonView;
  
  #pragma mark Callbacks
  
  -(void)getAnimatedCenterPoint:(NSMutableDictionary *)resultDict;
  -(void)addImageToBlob:(NSArray*)args;
  
  -(void)animationCompleted:(TiAnimation*)animation;
  -(void)makeViewPerformAction:(TiAction *)action;
  
  -(void)makeViewPerformSelector:(SEL)selector withObject:(id)object createIfNeeded:(BOOL)create waitUntilDone:(BOOL)wait;
  
  #pragma mark Layout events, internal and external
  
  -(void)willChangeSize;
  -(void)willChangePosition;
  -(void)willChangeZIndex;
  -(void)willChangeLayout;
  -(void)willShow;
  -(void)willHide;
  
  -(void)contentsWillChange;
  
  -(void)parentSizeWillChange;
  -(void)parentWillRelay;
  -(void)parentWillShow;
  -(void)parentWillHide;
  
  #pragma mark Layout actions
  
  -(void)refreshView:(TiUIView *)transferView;
  
  -(void)refreshSize;
  -(void)refreshPosition;
  -(void)willEnqueue;
  
  //Unlike the other layout actions, this one is done by the parent of the one called by refreshView.
  //This is the effect of refreshing the Z index via careful view placement.
  -(void)insertSubview:(UIView *)childView forProxy:(TiViewProxy *)childProxy;
  
  #pragma mark Layout commands that need refactoring out
  
  -(void)determineSandboxBounds;
  -(void)layoutChildren:(BOOL)optimize;
  -(void)layoutChildrenIfNeeded;
  -(void)layoutChild:(TiViewProxy*)child optimize:(BOOL)optimize;
  
  -(void)relayout;
  -(void)insertIntoView:(UIView*)view bounds:(CGRect)bounds;
  -(void)reposition;        //Todo: Replace
  
  -(BOOL)willBeRelaying;        //Todo: Replace
  -(void)childWillResize:(TiViewProxy *)child;        //Todo: Replace
  
  @end
  
  define USE_VIEW_FOR_METHOD(resultType,methodname,inputType)        \
  -(resultType) methodname: (inputType)value        \
  {        \
          return [[self view] methodname:value];        \
  }
  
  define USE_VIEW_FOR_UI_METHOD(methodname)        \
  -(void)methodname:(id)args        \
  {        \
          if ([self viewAttached])        \
          {        \
                  [[self view] performSelectorOnMainThread:@selector(methodname:) withObject:args waitUntilDone:NO];        \
          }        \
  }
  
  define USE_VIEW_FOR_VERIFY_WIDTH        USE_VIEW_FOR_METHOD(CGFloat,verifyWidth,CGFloat)
  define USE_VIEW_FOR_VERIFY_HEIGHT        USE_VIEW_FOR_METHOD(CGFloat,verifyHeight,CGFloat)
  define USE_VIEW_FOR_AUTO_WIDTH                USE_VIEW_FOR_METHOD(CGFloat,autoWidthForWidth,CGFloat)
  define USE_VIEW_FOR_AUTO_HEIGHT        USE_VIEW_FOR_METHOD(CGFloat,autoHeightForWidth,CGFloat)
  
  define DECLARE_VIEW_CLASS_FOR_NEWVIEW(viewClass)        \
  -(TiUIView*)newView        \
  {        \
          return [[viewClass alloc] init];        \
  }