#import <Foundation/Foundation.h>
  #import <UIKit/UIKit.h>
  #import <ASIHTTPRequest.h>
  #import <ASINetworkQueue.h>
  #import <TiDimension.h>
  
  typedef enum {
          TiImageScalingDefault,
          TiImageScalingThumbnail,
          TiImageScalingNonProportional,
          TiImageScalingStretch,
  }        TiImageScalingStyle;
  
  
  
  @protocol ImageLoaderDelegate
  @required
  -(void)imageLoadSuccess:(ImageLoaderRequest*)request image:(UIImage*)image;
  -(void)imageLoadFailed:(ImageLoaderRequest*)request error:(NSError*)error;
  @optional
  -(void)imageLoadCancelled:(ImageLoaderRequest*)request;
  @end
  
  @interface ImageLoaderRequest : NSObject {
  @private
          ASIHTTPRequest *request;
          NSObject<ImageLoaderDelegate>* delegate;
          NSDictionary* userInfo;
          NSURL *url;
          CGSize imageSize;
          BOOL completed;
          BOOL cancelled;
  }
  
  @property(nonatomic,readwrite,retain) ASIHTTPRequest* request;
  
  @property(nonatomic,readwrite,assign) BOOL completed;
  @property(nonatomic,readwrite,assign) CGSize imageSize;
  @property(nonatomic,readonly) NSObject<ImageLoaderDelegate>* delegate;
  
  -(void)cancel;
  -(BOOL)cancelled;
  -(NSDictionary*)userInfo;
  -(NSURL*)url;
  
  @end
  
  @interface ImageLoader : NSObject {
  @private
          NSMutableDictionary *cache;
          ASINetworkQueue* queue;
          NSMutableArray* timeout;
          NSRecursiveLock* lock;
  }
  
  +(ImageLoader*)sharedLoader;
  
  -(UIImage *)loadRemote:(NSURL*)url;
  -(UIImage *)loadImmediateImage:(NSURL *)url;
  -(UIImage *)loadImmediateImage:(NSURL *)url withSize:(CGSize)imageSize;
  -(UIImage *)loadImmediateStretchableImage:(NSURL *)url;
  -(UIImage *)loadImmediateStretchableImage:(NSURL *)url withLeftCap:(TiDimension)left topCap:(TiDimension)top;
  
  -(CGSize)fullImageSize:(NSURL *)url;
  
  -(ImageLoaderRequest*)loadImage:(NSURL*)url 
                                             delegate:(NSObject<ImageLoaderDelegate>*)delegate 
                                             userInfo:(NSDictionary*)userInfo;
  
  -(BOOL)purgeEntry:(NSURL*)url;
  
  -(void)suspend;
  -(void)resume;
  -(void)cancel;
  
  @end