UIImageView+WebCache.m
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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 "UIImageView+WebCache.h"
#import "objc/runtime.h"
static char operationKey;
static char operationArrayKey;
@implementation UIImageView (WebCache)
- (void)setImageWithURL:(NSURL *)url {
[self setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:nil];
}
- (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder {
[self setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:nil];
}
- (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options {
[self setImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:nil];
}
- (void)setImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock {
[self setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:completedBlock];
}
- (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock {
[self setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:completedBlock];
}
- (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock {
[self setImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:completedBlock];
}
- (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletedBlock)completedBlock {
[self cancelCurrentImageLoad];
self.image = placeholder;
if (url) {
__weak UIImageView *wself = self;
id <SDWebImageOperation> operation = [SDWebImageManager.sharedManager downloadWithURL:url options:options progress:progressBlock completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished) {
if (!wself) return;
dispatch_main_sync_safe(^{
if (!wself) return;
if (image) {
wself.image = image;
[wself setNeedsLayout];
}
if (completedBlock && finished) {
completedBlock(image, error, cacheType);
}
});
}];
objc_setAssociatedObject(self, &operationKey, operation, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
}
- (void)setAnimationImagesWithURLs:(NSArray *)arrayOfURLs {
[self cancelCurrentArrayLoad];
__weak UIImageView *wself = self;
NSMutableArray *operationsArray = [[NSMutableArray alloc] init];
for (NSURL *logoImageURL in arrayOfURLs) {
id <SDWebImageOperation> operation = [SDWebImageManager.sharedManager downloadWithURL:logoImageURL options:0 progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished) {
if (!wself) return;
dispatch_main_sync_safe(^{
__strong UIImageView *sself = wself;
[sself stopAnimating];
if (sself && image) {
NSMutableArray *currentImages = [[sself animationImages] mutableCopy];
if (!currentImages) {
currentImages = [[NSMutableArray alloc] init];
}
[currentImages addObject:image];
sself.animationImages = currentImages;
[sself setNeedsLayout];
}
[sself startAnimating];
});
}];
[operationsArray addObject:operation];
}
objc_setAssociatedObject(self, &operationArrayKey, [NSArray arrayWithArray:operationsArray], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
- (void)cancelCurrentImageLoad {
// Cancel in progress downloader from queue
id <SDWebImageOperation> operation = objc_getAssociatedObject(self, &operationKey);
if (operation) {
[operation cancel];
objc_setAssociatedObject(self, &operationKey, nil, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
}
- (void)cancelCurrentArrayLoad {
// Cancel in progress downloader from queue
NSArray *operations = objc_getAssociatedObject(self, &operationArrayKey);
for (id <SDWebImageOperation> operation in operations) {
if (operation) {
[operation cancel];
}
}
objc_setAssociatedObject(self, &operationArrayKey, nil, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
@end