/Users/awniemel/Notepad-SVN/svn/trunk/CatNiP/CatNiP/MediaWikiQuery.h

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//
//  MediaWikiQuery.h
//  WebConnectionProto
//
//  Created by Antti V J Niemela, tkol on 5/24/11.
//  Copyright 2011 University of Helsinki. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "MediaWikiQueryDelegate.h"
#import "CatNiPErrorManager.h"
#import "MediaWikiProgressListener.h"


@class MediaWikiQueryDelegate;

@interface MediaWikiQuery : NSObject {
    id <MediaWikiQueryDelegate> queryDelegate;
    NSString* mediaWikiURLString;
    NSURLRequest* mediaWikiRequest;
    NSURLConnection* mediaWikiConnection;
    NSMutableData* receivedData;
    NSMutableSet* progressListeners;
    NSInteger expectedSize;
    NSInteger currentBytes;
    BOOL working;
    
}
- (id)initWithDelegate:(id <MediaWikiQueryDelegate>)mediaWikiQueryDelegate;
- (id)initWithDelegate:(id <MediaWikiQueryDelegate>)mediaWikiQueryDelegate mediaWikiURL:(NSString*) mwURLString;
- (BOOL)startQuery;
- (NSString*) buildQueryURL;

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response;
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data;
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error;
- (void)connectionDidFinishLoading:(NSURLConnection *)connection;


-(void)addProgressListener:(id <MediaWikiProgressListener>)listener;
-(void)removeProgressListener:(id <MediaWikiProgressListener>)listener;


@property(copy,readwrite) NSString* mediaWikiURLString;
@property(readonly) NSInteger expectedSize;
@property(readonly) NSInteger currentBytes;

@end