128 lines
5.3 KiB
Objective-C
128 lines
5.3 KiB
Objective-C
//
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// UIImageView+ZFCache.h
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// ZFPlayer
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//
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// Copyright (c) 2016年 任子丰 ( http://github.com/renzifeng )
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#import <UIKit/UIKit.h>
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typedef void (^ZFDownLoadDataCallBack)(NSData *data, NSError *error);
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typedef void (^ZFDownloadProgressBlock)(unsigned long long total, unsigned long long current);
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@interface ZFImageDownloader : NSObject<NSURLSessionDownloadDelegate>
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@property (nonatomic, strong) NSURLSession *session;
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@property (nonatomic, strong) NSURLSessionDownloadTask *task;
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@property (nonatomic, assign) unsigned long long totalLength;
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@property (nonatomic, assign) unsigned long long currentLength;
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@property (nonatomic, copy) ZFDownloadProgressBlock progressBlock;
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@property (nonatomic, copy) ZFDownLoadDataCallBack callbackOnFinished;
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- (void)startDownloadImageWithUrl:(NSString *)url
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progress:(ZFDownloadProgressBlock)progress
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finished:(ZFDownLoadDataCallBack)finished;
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@end
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typedef void (^ZFImageBlock)(UIImage *image);
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@interface UIImageView (ZFCache)
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/**
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* Get/Set the callback block when download the image finished.
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*
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* The image object from network or from disk.
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*/
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@property (nonatomic, copy) ZFImageBlock completion;
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/**
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* Image downloader
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*/
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@property (nonatomic, strong) ZFImageDownloader *imageDownloader;
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/**
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* Specify the URL to download images fails, the number of retries, the default is 2
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*/
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@property (nonatomic, assign) NSUInteger attemptToReloadTimesForFailedURL;
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/**
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* Will automatically download to cutting for UIImageView size of image.The default value is NO.
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* If set to YES, then the download after a successful store only after cutting the image
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*/
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@property (nonatomic, assign) BOOL shouldAutoClipImageToViewSize;
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/**
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* Set the imageView `image` with an `url` and a placeholder.
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*
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* The download is asynchronous and cached.
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*
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* @param url The url for the image.
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* @param placeholderImageName The image name to be set initially, until the image request finishes.
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*/
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- (void)setImageWithURLString:(NSString *)url placeholderImageName:(NSString *)placeholderImageName;
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/**
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* Set the imageView `image` with an `url` and a placeholder.
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*
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* The download is asynchronous and cached.
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*
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* @param url The url for the image.
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* @param placeholderImage The image to be set initially, until the image request finishes.
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*/
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- (void)setImageWithURLString:(NSString *)url placeholder:(UIImage *)placeholderImage;
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/**
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* Set the imageView `image` with an `url`, placeholder.
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*
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* The download is asynchronous and cached.
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*
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* @param url The url for the image.
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* @param placeholderImage The image to be set initially, until the image request finishes.
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* @param completion A block called when operation has been completed. This block has no return value
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* and takes the requested UIImage as first parameter. In case of error the image parameter
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* is nil and the second parameter may contain an NSError. The third parameter is a Boolean
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* indicating if the image was retrieved from the local cache or from the network.
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* The fourth parameter is the original image url.
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*/
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- (void)setImageWithURLString:(NSString *)url
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placeholder:(UIImage *)placeholderImage
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completion:(void (^)(UIImage *image))completion;
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/**
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* Set the imageView `image` with an `url`, placeholder.
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*
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* The download is asynchronous and cached.
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*
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* @param url The url for the image.
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* @param placeholderImageName The image name to be set initially, until the image request finishes.
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* @param completion A block called when operation has been completed. This block has no return value
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* and takes the requested UIImage as first parameter. In case of error the image parameter
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* is nil and the second parameter may contain an NSError. The third parameter is a Boolean
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* indicating if the image was retrieved from the local cache or from the network.
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* The fourth parameter is the original image url.
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*/
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- (void)setImageWithURLString:(NSString *)url
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placeholderImageName:(NSString *)placeholderImageName
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completion:(void (^)(UIImage *image))completion;
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@end
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