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/*
* This file is part of the SDWebImage package.
* (c) Olivier Poitrey <rs@dailymotion.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
#import "SDWebImageCompat.h"
#import "SDWebImageManager.h"
/**
* Integrates SDWebImage async downloading and caching of remote images with UIImageView.
*
* Usage with a UITableViewCell sub-class:
*
* @code
#import <SDWebImage/UIImageView+WebCache.h>
...
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *MyIdentifier = @"MyIdentifier";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:MyIdentifier];
if (cell == nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:MyIdentifier];
}
// Here we use the provided sd_setImageWithURL: method to load the web image
// Ensure you use a placeholder image otherwise cells will be initialized with no image
[cell.imageView sd_setImageWithURL:[NSURL URLWithString:@"http://example.com/image.jpg"]
placeholderImage:[UIImage imageNamed:@"placeholder"]];
cell.textLabel.text = @"My Text";
return cell;
}
* @endcode
*/
@interface UIImageView (WebCache)
/**
* Set the imageView `image` with an `url`.
*
* The download is asynchronous and cached.
*
* @param url The url for the image.
*/
- (void)sd_setImageWithURL:(nullable NSURL *)url NS_REFINED_FOR_SWIFT;
/**
* Set the imageView `image` with an `url` and a placeholder.
*
* The download is asynchronous and cached.
*
* @param url The url for the image.
* @param placeholder The image to be set initially, until the image request finishes.
* @see sd_setImageWithURL:placeholderImage:options:
*/
- (void)sd_setImageWithURL:(nullable NSURL *)url
placeholderImage:(nullable UIImage *)placeholder NS_REFINED_FOR_SWIFT;
/**
* Set the imageView `image` with an `url`, placeholder and custom options.
*
* The download is asynchronous and cached.
*
* @param url The url for the image.
* @param placeholder The image to be set initially, until the image request finishes.
* @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values.
*/
- (void)sd_setImageWithURL:(nullable NSURL *)url
placeholderImage:(nullable UIImage *)placeholder
options:(SDWebImageOptions)options NS_REFINED_FOR_SWIFT;
/**
* Set the imageView `image` with an `url`.
*
* The download is asynchronous and cached.
*
* @param url The url for the image.
* @param completedBlock A block called when operation has been completed. This block has no return value
* and takes the requested UIImage as first parameter. In case of error the image parameter
* is nil and the second parameter may contain an NSError. The third parameter is a Boolean
* indicating if the image was retrieved from the local cache or from the network.
* The fourth parameter is the original image url.
*/
- (void)sd_setImageWithURL:(nullable NSURL *)url
completed:(nullable SDExternalCompletionBlock)completedBlock;
/**
* Set the imageView `image` with an `url`, placeholder.
*
* The download is asynchronous and cached.
*
* @param url The url for the image.
* @param placeholder The image to be set initially, until the image request finishes.
* @param completedBlock A block called when operation has been completed. This block has no return value
* and takes the requested UIImage as first parameter. In case of error the image parameter
* is nil and the second parameter may contain an NSError. The third parameter is a Boolean
* indicating if the image was retrieved from the local cache or from the network.
* The fourth parameter is the original image url.
*/
- (void)sd_setImageWithURL:(nullable NSURL *)url
placeholderImage:(nullable UIImage *)placeholder
completed:(nullable SDExternalCompletionBlock)completedBlock NS_REFINED_FOR_SWIFT;
/**
* Set the imageView `image` with an `url`, placeholder and custom options.
*
* The download is asynchronous and cached.
*
* @param url The url for the image.
* @param placeholder The image to be set initially, until the image request finishes.
* @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values.
* @param completedBlock A block called when operation has been completed. This block has no return value
* and takes the requested UIImage as first parameter. In case of error the image parameter
* is nil and the second parameter may contain an NSError. The third parameter is a Boolean
* indicating if the image was retrieved from the local cache or from the network.
* The fourth parameter is the original image url.
*/
- (void)sd_setImageWithURL:(nullable NSURL *)url
placeholderImage:(nullable UIImage *)placeholder
options:(SDWebImageOptions)options
completed:(nullable SDExternalCompletionBlock)completedBlock;
/**
* Set the imageView `image` with an `url`, placeholder and custom options.
*
* The download is asynchronous and cached.
*
* @param url The url for the image.
* @param placeholder The image to be set initially, until the image request finishes.
* @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values.
* @param progressBlock A block called while image is downloading
* @note the progress block is executed on a background queue
* @param completedBlock A block called when operation has been completed. This block has no return value
* and takes the requested UIImage as first parameter. In case of error the image parameter
* is nil and the second parameter may contain an NSError. The third parameter is a Boolean
* indicating if the image was retrieved from the local cache or from the network.
* The fourth parameter is the original image url.
*/
- (void)sd_setImageWithURL:(nullable NSURL *)url
placeholderImage:(nullable UIImage *)placeholder
options:(SDWebImageOptions)options
progress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
completed:(nullable SDExternalCompletionBlock)completedBlock;
/**
* Set the imageView `image` with an `url` and custom options. The placeholder image is from previous cached image and will use the provided one instead if the query failed.
* This method was designed to ensure that placeholder and query cache process happened in the same runloop to avoid flashing on cell during two `setImage:` call. But it's really misunderstanding and deprecated.
* This can be done by using `sd_setImageWithURL:` with `SDWebImageQueryDiskSync`. But take care that if the memory cache missed, query disk cache synchronously may reduce the frame rate
*
* The download is asynchronous and cached.
*
* @param url The url for the image.
* @param placeholder The image to be set initially, until the image request finishes.
* @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values.
* @param progressBlock A block called while image is downloading
* @note the progress block is executed on a background queue
* @param completedBlock A block called when operation has been completed. This block has no return value
* and takes the requested UIImage as first parameter. In case of error the image parameter
* is nil and the second parameter may contain an NSError. The third parameter is a Boolean
* indicating if the image was retrieved from the local cache or from the network.
* The fourth parameter is the original image url.
* @deprecated consider using `SDWebImageQueryDiskSync` options with `sd_setImageWithURL:` instead
*/
- (void)sd_setImageWithPreviousCachedImageWithURL:(nullable NSURL *)url
placeholderImage:(nullable UIImage *)placeholder
options:(SDWebImageOptions)options
progress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
completed:(nullable SDExternalCompletionBlock)completedBlock __deprecated_msg("This method is misunderstanding and deprecated, consider using `SDWebImageQueryDiskSync` options with `sd_setImageWithURL:` instead");
#if SD_UIKIT
#pragma mark - Animation of multiple images
/**
* Download an array of images and starts them in an animation loop
*
* @param arrayOfURLs An array of NSURL
*/
- (void)sd_setAnimationImagesWithURLs:(nonnull NSArray<NSURL *> *)arrayOfURLs;
- (void)sd_cancelCurrentAnimationImagesLoad;
#endif
@end