214 lines
8.8 KiB
Objective-C
214 lines
8.8 KiB
Objective-C
/*
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* This file is part of the SDWebImage package.
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* (c) Olivier Poitrey <rs@dailymotion.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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#import "SDWebImageCompat.h"
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#import "SDWebImageManager.h"
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/**
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* Integrates SDWebImage async downloading and caching of remote images with UIImageView.
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*
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* Usage with a UITableViewCell sub-class:
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*
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* @code
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#import <SDWebImage/UIImageView+WebCache.h>
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...
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
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{
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static NSString *MyIdentifier = @"MyIdentifier";
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UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:MyIdentifier];
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if (cell == nil) {
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cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:MyIdentifier]
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autorelease];
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}
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// Here we use the provided sd_setImageWithURL: method to load the web image
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// Ensure you use a placeholder image otherwise cells will be initialized with no image
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[cell.imageView sd_setImageWithURL:[NSURL URLWithString:@"http://example.com/image.jpg"]
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placeholderImage:[UIImage imageNamed:@"placeholder"]];
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cell.textLabel.text = @"My Text";
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return cell;
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}
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* @endcode
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*/
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@interface UIImageView (WebCache)
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/**
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* Get the current image URL.
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*
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* Note that because of the limitations of categories this property can get out of sync
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* if you use setImage: directly.
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*/
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- (nullable NSURL *)sd_imageURL;
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/**
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* Set the imageView `image` with an `url`.
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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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*/
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- (void)sd_setImageWithURL:(nullable NSURL *)url;
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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 placeholder The image to be set initially, until the image request finishes.
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* @see sd_setImageWithURL:placeholderImage:options:
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*/
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- (void)sd_setImageWithURL:(nullable NSURL *)url
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placeholderImage:(nullable UIImage *)placeholder;
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/**
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* Set the imageView `image` with an `url`, placeholder and custom options.
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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 placeholder The image to be set initially, until the image request finishes.
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* @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values.
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*/
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- (void)sd_setImageWithURL:(nullable NSURL *)url
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placeholderImage:(nullable UIImage *)placeholder
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options:(SDWebImageOptions)options;
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/**
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* Set the imageView `image` with an `url`.
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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 completedBlock 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)sd_setImageWithURL:(nullable NSURL *)url
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completed:(nullable SDExternalCompletionBlock)completedBlock;
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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 placeholder The image to be set initially, until the image request finishes.
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* @param completedBlock 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)sd_setImageWithURL:(nullable NSURL *)url
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placeholderImage:(nullable UIImage *)placeholder
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completed:(nullable SDExternalCompletionBlock)completedBlock;
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/**
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* Set the imageView `image` with an `url`, placeholder and custom options.
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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 placeholder The image to be set initially, until the image request finishes.
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* @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values.
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* @param completedBlock 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)sd_setImageWithURL:(nullable NSURL *)url
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placeholderImage:(nullable UIImage *)placeholder
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options:(SDWebImageOptions)options
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completed:(nullable SDExternalCompletionBlock)completedBlock;
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/**
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* Set the imageView `image` with an `url`, placeholder and custom options.
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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 placeholder The image to be set initially, until the image request finishes.
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* @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values.
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* @param progressBlock A block called while image is downloading
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* @param completedBlock 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)sd_setImageWithURL:(nullable NSURL *)url
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placeholderImage:(nullable UIImage *)placeholder
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options:(SDWebImageOptions)options
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progress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
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completed:(nullable SDExternalCompletionBlock)completedBlock;
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/**
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* Set the imageView `image` with an `url` and optionally a placeholder image.
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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 placeholder The image to be set initially, until the image request finishes.
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* @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values.
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* @param progressBlock A block called while image is downloading
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* @param completedBlock 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)sd_setImageWithPreviousCachedImageWithURL:(nullable NSURL *)url
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placeholderImage:(nullable UIImage *)placeholder
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options:(SDWebImageOptions)options
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progress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
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completed:(nullable SDExternalCompletionBlock)completedBlock;
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/**
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* Download an array of images and starts them in an animation loop
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*
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* @param arrayOfURLs An array of NSURL
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*/
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- (void)sd_setAnimationImagesWithURLs:(nonnull NSArray<NSURL *> *)arrayOfURLs;
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/**
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* Cancel the current download
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*/
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- (void)sd_cancelCurrentImageLoad;
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- (void)sd_cancelCurrentAnimationImagesLoad;
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/**
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* Show activity UIActivityIndicatorView
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*/
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- (void)setShowActivityIndicatorView:(BOOL)show;
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/**
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* set desired UIActivityIndicatorViewStyle
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*
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* @param style The style of the UIActivityIndicatorView
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*/
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- (void)setIndicatorStyle:(UIActivityIndicatorViewStyle)style;
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- (BOOL)showActivityIndicatorView;
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- (void)addActivityIndicator;
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- (void)removeActivityIndicator;
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@end
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