40 lines
		
	
	
		
			952 B
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			952 B
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
| //
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| //  MCONNTPFetchHeaderOperation.h
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| //  mailcore2
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| //
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| //  Created by Robert Widmann on 8/13/14.
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| //  Copyright (c) 2014 MailCore. All rights reserved.
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| //
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| 
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| #ifndef MAILCORE_MCONNTPFETCHHEADEROPERATION_H
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| 
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| #define MAILCORE_MCONNTPFETCHHEADEROPERATION_H
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| 
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| #import <Foundation/Foundation.h>
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| #import <MailCore/MCONNTPOperation.h>
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| 
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| /** 
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|  This is an asynchronous operation that will fetch the header of a message.
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|  @See MCONNTPSession
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|  */
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| 
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| @class MCOMessageHeader;
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| 
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| @interface MCONNTPFetchHeaderOperation : MCONNTPOperation
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| 
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| /** 
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|  Starts the asynchronous fetch operation.
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|  
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|  @param completionBlock Called when the operation is finished.
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|  
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|  - On success `error` will be nil and `header` will contain the message header
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|  
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|  - On failure, `error` will be set with `MCOErrorDomain` as domain and an 
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|  error code available in MCOConstants.h, `header` will be null
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|  */
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| - (void) start:(void (^)(NSError * error, MCOMessageHeader * header))completionBlock;
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| 
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| @end
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| 
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| #endif
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