#import <Foundation/Foundation.h>
#import "SDWebImageDownloader.h"
#import "SDWebImageOperation.h"



@protocol SDWebImageDownloaderOperation <NSURLSessionTaskDelegate, NSURLSessionDataDelegate>
@required
- (nonnull instancetype)initWithRequest:(nullable NSURLRequest *)request
                              inSession:(nullable NSURLSession *)session
                                options:(SDWebImageDownloaderOptions)options;

- (nonnull instancetype)initWithRequest:(nullable NSURLRequest *)request
                              inSession:(nullable NSURLSession *)session
                                options:(SDWebImageDownloaderOptions)options
                                context:(nullable SDWebImageContext *)context;

- (nullable id)addHandlersForProgress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
                            completed:(nullable SDWebImageDownloaderCompletedBlock)completedBlock;

- (nullable id)addHandlersForProgress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
                            completed:(nullable SDWebImageDownloaderCompletedBlock)completedBlock
                        decodeOptions:(nullable SDImageCoderOptions *)decodeOptions;

- (BOOL)cancel:(nullable id)token;

@property (strong, nonatomic, readonly, nullable) NSURLRequest *request;
@property (strong, nonatomic, readonly, nullable) NSURLResponse *response;

@optional
@property (strong, nonatomic, readonly, nullable) NSURLSessionTask *dataTask;
@property (strong, nonatomic, readonly, nullable) NSURLSessionTaskMetrics *metrics API_AVAILABLE(macos(10.12), ios(10.0), watchos(3.0), tvos(10.0));


@property (strong, nonatomic, nullable) NSURLCredential *credential;
@property (assign, nonatomic) double minimumProgressInterval;
@property (copy, nonatomic, nullable) NSIndexSet *acceptableStatusCodes;
@property (copy, nonatomic, nullable) NSSet<NSString *> *acceptableContentTypes;

@end




@interface SDWebImageDownloaderOperation : NSOperation <SDWebImageDownloaderOperation>



@property (strong, nonatomic, readonly, nullable) NSURLRequest *request;



@property (strong, nonatomic, readonly, nullable) NSURLResponse *response;



@property (strong, nonatomic, readonly, nullable) NSURLSessionTask *dataTask;



@property (strong, nonatomic, readonly, nullable) NSURLSessionTaskMetrics *metrics API_AVAILABLE(macos(10.12), ios(10.0), watchos(3.0), tvos(10.0));



@property (strong, nonatomic, nullable) NSURLCredential *credential;



@property (assign, nonatomic) double minimumProgressInterval;



@property (copy, nonatomic, nullable) NSIndexSet *acceptableStatusCodes;



@property (copy, nonatomic, nullable) NSSet<NSString *> *acceptableContentTypes;



@property (assign, nonatomic, readonly) SDWebImageDownloaderOptions options;



@property (copy, nonatomic, readonly, nullable) SDWebImageContext *context;



- (nonnull instancetype)initWithRequest:(nullable NSURLRequest *)request
                              inSession:(nullable NSURLSession *)session
                                options:(SDWebImageDownloaderOptions)options;



- (nonnull instancetype)initWithRequest:(nullable NSURLRequest *)request
                              inSession:(nullable NSURLSession *)session
                                options:(SDWebImageDownloaderOptions)options
                                context:(nullable SDWebImageContext *)context NS_DESIGNATED_INITIALIZER;



- (nullable id)addHandlersForProgress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
                            completed:(nullable SDWebImageDownloaderCompletedBlock)completedBlock;



- (nullable id)addHandlersForProgress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
                            completed:(nullable SDWebImageDownloaderCompletedBlock)completedBlock
                        decodeOptions:(nullable SDImageCoderOptions *)decodeOptions;



- (BOOL)cancel:(nullable id)token;

@end