//
  //  ASIProgressDelegate.h
  //  Part of ASIHTTPRequest -> http://allseeing-i.com/ASIHTTPRequest
  //
  //  Created by Ben Copsey on 13/04/2010.
  //  Copyright 2010 All-Seeing Interactive. All rights reserved.
  //
  
  
  
  @protocol ASIProgressDelegate <NSObject>
  
  @optional
  
  // These methods are used to update UIProgressViews (iPhone OS) or NSProgressIndicators (Mac OS X)
  // If you are using a custom progress delegate, you may find it easier to implement didReceiveBytes / didSendBytes instead
  if TARGET_OS_IPHONE
  (void)setProgress:(float)newProgress;
  else
  (void)setDoubleValue:(double)newProgress;
  (void)setMaxValue:(double)newMax;
  endif
  
  // Called when the request receives some data - bytes is the length of that data
  (void)request:(ASIHTTPRequest *)request didReceiveBytes:(long long)bytes;
  
  // Called when the request sends some data
  // The first 32KB (128KB on older platforms) of data sent is not included in this amount because of limitations with the CFNetwork API
  // bytes may be less than zero if a request needs to remove upload progress (probably because the request needs to run again)
  (void)request:(ASIHTTPRequest *)request didSendBytes:(long long)bytes;
  
  // Called when a request needs to change the length of the content to download
  (void)request:(ASIHTTPRequest *)request incrementDownloadSizeBy:(long long)newLength;
  
  // Called when a request needs to change the length of the content to upload
  // newLength may be less than zero when a request needs to remove the size of the internal buffer from progress tracking
  (void)request:(ASIHTTPRequest *)request incrementUploadSizeBy:(long long)newLength;
  @end