FLAnimatedImageView+WebCache.h 7.49 KB
/*
 * 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"

#if SD_UIKIT

#if __has_include(<FLAnimatedImage/FLAnimatedImage.h>)
#import <FLAnimatedImage/FLAnimatedImage.h>
#else
#import "FLAnimatedImage.h"
#endif

#import "SDWebImageManager.h"

/**
 *  FLAnimatedImage is not a subclass of UIImage, so it's not possible to store it into the memory cache currently. However, for performance issue and cell reuse on FLAnimatedImageView, we use associate object to bind a FLAnimatedImage into UIImage when an animated GIF image load. For most cases, you don't need to touch this.
 */
@interface UIImage (FLAnimatedImage)

/**
 *  The FLAnimatedImage associated to the UIImage instance when an animated GIF image load.
 *  For most cases this is read-only and you should avoid manually setting this value. Util some cases like using placeholder with a `FLAnimatedImage`.
 */
@property (nonatomic, strong, nullable) FLAnimatedImage *sd_FLAnimatedImage;

@end


/**
 *  A category for the FLAnimatedImage imageView class that hooks it to the SDWebImage system.
 *  Very similar to the base class category (UIImageView (WebCache))
 */
@interface FLAnimatedImageView (WebCache)

/**
 * Load the image at the given url (either from cache or download) and load it in this imageView. It works with both static and dynamic images
 * The download is asynchronous and cached.
 *
 * @param url The url for the image.
 */
- (void)sd_setImageWithURL:(nullable NSURL *)url NS_REFINED_FOR_SWIFT;

/**
 * Load the image at the given url (either from cache or download) and load it in this imageView. It works with both static and dynamic images
 * The download is asynchronous and cached.
 * Uses a placeholder until the request finishes.
 *
 * @param url         The url for the image.
 * @param placeholder The image to be set initially, until the image request finishes.
 */
- (void)sd_setImageWithURL:(nullable NSURL *)url
          placeholderImage:(nullable UIImage *)placeholder NS_REFINED_FOR_SWIFT;

/**
 * Load the image at the given url (either from cache or download) and load it in this imageView. It works with both static and dynamic images
 * The download is asynchronous and cached.
 * Uses a placeholder until the request finishes.
 *
 *  @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;

/**
 * Load the image at the given url (either from cache or download) and load it in this imageView. It works with both static and dynamic images
 * 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;

/**
 * Load the image at the given url (either from cache or download) and load it in this imageView. It works with both static and dynamic images
 * The download is asynchronous and cached.
 * Uses a placeholder until the request finishes.
 *
 *  @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;

/**
 * Load the image at the given url (either from cache or download) and load it in this imageView. It works with both static and dynamic images
 * The download is asynchronous and cached.
 * Uses a placeholder until the request finishes.
 *
 *  @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;

/**
 * Load the image at the given url (either from cache or download) and load it in this imageView. It works with both static and dynamic images
 * The download is asynchronous and cached.
 * Uses a placeholder until the request finishes.
 *
 *  @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;

@end

#endif