UIButton+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 "UIButton+WebCache.h"
#import "objc/runtime.h"
#import "UIView+WebCacheOperation.h"
static char imageURLStorageKey;
@implementation UIButton (WebCache)
- (NSURL *)sd_currentImageURL {
NSURL *url = self.imageURLStorage[@(self.state)];
if (!url) {
url = self.imageURLStorage[@(UIControlStateNormal)];
}
return url;
}
- (NSURL *)sd_imageURLForState:(UIControlState)state {
return self.imageURLStorage[@(state)];
}
- (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state {
[self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil];
}
- (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil];
}
- (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil];
}
- (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletionBlock)completedBlock {
[self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:completedBlock];
}
- (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:completedBlock];
}
- (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock {
[self setImage:placeholder forState:state];
[self sd_cancelImageLoadForState:state];
if (!url) {
[self.imageURLStorage removeObjectForKey:@(state)];
dispatch_main_async_safe(^{
NSError *error = [NSError errorWithDomain:@"SDWebImageErrorDomain" code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}];
if (completedBlock) {
completedBlock(nil, error, SDImageCacheTypeNone, url);
}
});
return;
}
self.imageURLStorage[@(state)] = url;
__weak UIButton *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 UIButton *sself = wself;
if (!sself) return;
if (image) {
[sself setImage:image forState:state];
}
if (completedBlock && finished) {
completedBlock(image, error, cacheType, url);
}
});
}];
[self sd_setImageLoadOperation:operation forState:state];
}
- (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil];
}
- (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil];
}
- (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil];
}
- (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletionBlock)completedBlock {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:completedBlock];
}
- (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:completedBlock];
}
- (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock {
[self sd_cancelImageLoadForState:state];
[self setBackgroundImage:placeholder forState:state];
if (url) {
__weak UIButton *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 UIButton *sself = wself;
if (!sself) return;
if (image) {
[sself setBackgroundImage:image forState:state];
}
if (completedBlock && finished) {
completedBlock(image, error, cacheType, url);
}
});
}];
[self sd_setBackgroundImageLoadOperation:operation forState:state];
} else {
dispatch_main_async_safe(^{
NSError *error = [NSError errorWithDomain:@"SDWebImageErrorDomain" code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}];
if (completedBlock) {
completedBlock(nil, error, SDImageCacheTypeNone, url);
}
});
}
}
- (void)sd_setImageLoadOperation:(id<SDWebImageOperation>)operation forState:(UIControlState)state {
[self sd_setImageLoadOperation:operation forKey:[NSString stringWithFormat:@"UIButtonImageOperation%@", @(state)]];
}
- (void)sd_cancelImageLoadForState:(UIControlState)state {
[self sd_cancelImageLoadOperationWithKey:[NSString stringWithFormat:@"UIButtonImageOperation%@", @(state)]];
}
- (void)sd_setBackgroundImageLoadOperation:(id<SDWebImageOperation>)operation forState:(UIControlState)state {
[self sd_setImageLoadOperation:operation forKey:[NSString stringWithFormat:@"UIButtonBackgroundImageOperation%@", @(state)]];
}
- (void)sd_cancelBackgroundImageLoadForState:(UIControlState)state {
[self sd_cancelImageLoadOperationWithKey:[NSString stringWithFormat:@"UIButtonBackgroundImageOperation%@", @(state)]];
}
- (NSMutableDictionary *)imageURLStorage {
NSMutableDictionary *storage = objc_getAssociatedObject(self, &imageURLStorageKey);
if (!storage)
{
storage = [NSMutableDictionary dictionary];
objc_setAssociatedObject(self, &imageURLStorageKey, storage, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
return storage;
}
@end
@implementation UIButton (WebCacheDeprecated)
- (NSURL *)currentImageURL {
return [self sd_currentImageURL];
}
- (NSURL *)imageURLForState:(UIControlState)state {
return [self sd_imageURLForState:state];
}
- (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state {
[self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil];
}
- (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil];
}
- (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil];
}
- (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletedBlock)completedBlock {
[self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {
if (completedBlock) {
completedBlock(image, error, cacheType);
}
}];
}
- (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {
if (completedBlock) {
completedBlock(image, error, cacheType);
}
}];
}
- (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {
if (completedBlock) {
completedBlock(image, error, cacheType);
}
}];
}
- (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil];
}
- (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil];
}
- (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil];
}
- (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletedBlock)completedBlock {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {
if (completedBlock) {
completedBlock(image, error, cacheType);
}
}];
}
- (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {
if (completedBlock) {
completedBlock(image, error, cacheType);
}
}];
}
- (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:options completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {
if (completedBlock) {
completedBlock(image, error, cacheType);
}
}];
}
- (void)cancelCurrentImageLoad {
// in a backwards compatible manner, cancel for current state
[self sd_cancelImageLoadForState:self.state];
}
- (void)cancelBackgroundImageLoadForState:(UIControlState)state {
[self sd_cancelBackgroundImageLoadForState:state];
}
@end