MKAnnotationView+WebCache.m
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//
// MKAnnotationView+WebCache.m
// SDWebImage
//
// Created by Olivier Poitrey on 14/03/12.
// Copyright (c) 2012 Dailymotion. All rights reserved.
//
#import "MKAnnotationView+WebCache.h"
#import "objc/runtime.h"
static char imageURLKey;
static char operationKey;
@implementation MKAnnotationView (WebCache)
- (NSURL *)imageURL;
{
return objc_getAssociatedObject(self, &imageURLKey);
}
- (void)setImageWithURL:(NSURL *)url
{
[self setImageWithURL:url placeholderImage:nil options:0 completed:nil];
}
- (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder {
[self setImageWithURL:url placeholderImage:placeholder options:0 completed:nil];
}
- (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options {
[self setImageWithURL:url placeholderImage:placeholder options:options completed:nil];
}
- (void)setImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock {
[self setImageWithURL:url placeholderImage:nil options:0 completed:completedBlock];
}
- (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock {
[self setImageWithURL:url placeholderImage:placeholder options:0 completed:completedBlock];
}
- (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock {
[self cancelCurrentImageLoad];
objc_setAssociatedObject(self, &imageURLKey, url, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
self.image = placeholder;
if (url) {
__weak MKAnnotationView *wself = self;
id <SDWebImageOperation> operation = [SDWebImageManager.sharedManager downloadImageWithURL:url options:options progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) {
if (!wself) return;
dispatch_main_sync_safe(^{
__strong MKAnnotationView *sself = wself;
if (!sself) return;
if (image) {
sself.image = image;
}
if (completedBlock && finished) {
completedBlock(image, error, cacheType);
}
});
}];
objc_setAssociatedObject(self, &operationKey, operation, 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);
}
}
@end