SDWebImage/SDWebImage/UIButton+WebCache.m

224 lines
10 KiB
Objective-C

/*
* 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"
#if SD_UIKIT
#import "objc/runtime.h"
#import "UIView+WebCacheOperation.h"
#import "UIView+WebCache.h"
static char imageURLStorageKey;
typedef NSMutableDictionary<NSString *, NSURL *> SDStateImageURLDictionary;
static inline NSString * imageURLKeyForState(UIControlState state) {
return [NSString stringWithFormat:@"image_%lu", (unsigned long)state];
}
static inline NSString * backgroundImageURLKeyForState(UIControlState state) {
return [NSString stringWithFormat:@"backgroundImage_%lu", (unsigned long)state];
}
static inline NSString * imageOperationKeyForState(UIControlState state) {
return [NSString stringWithFormat:@"UIButtonImageOperation%lu", (unsigned long)state];
}
static inline NSString * backgroundImageOperationKeyForState(UIControlState state) {
return [NSString stringWithFormat:@"UIButtonBackgroundImageOperation%lu", (unsigned long)state];
}
@implementation UIButton (WebCache)
#pragma mark - Image
- (nullable NSURL *)sd_currentImageURL {
NSURL *url = self.sd_imageURLStorage[imageURLKeyForState(self.state)];
if (!url) {
url = self.sd_imageURLStorage[imageURLKeyForState(UIControlStateNormal)];
}
return url;
}
- (nullable NSURL *)sd_imageURLForState:(UIControlState)state {
return self.sd_imageURLStorage[imageURLKeyForState(state)];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url forState:(UIControlState)state {
[self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder options:(SDWebImageOptions)options {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url forState:(UIControlState)state completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:completedBlock];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:completedBlock];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder options:(SDWebImageOptions)options completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options progress:nil completed:completedBlock];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder options:(SDWebImageOptions)options progress:(nullable SDWebImageDownloaderProgressBlock)progressBlock completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options context:nil progress:progressBlock completed:completedBlock];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url
forState:(UIControlState)state
placeholderImage:(nullable UIImage *)placeholder
options:(SDWebImageOptions)options
context:(nullable SDWebImageContext *)context
progress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
completed:(nullable SDExternalCompletionBlock)completedBlock {
if (!url) {
[self.sd_imageURLStorage removeObjectForKey:imageURLKeyForState(state)];
} else {
self.sd_imageURLStorage[imageURLKeyForState(state)] = url;
}
SDWebImageMutableContext *mutableContext;
if (context) {
mutableContext = [context mutableCopy];
} else {
mutableContext = [NSMutableDictionary dictionary];
}
mutableContext[SDWebImageContextSetImageOperationKey] = imageOperationKeyForState(state);
__weak typeof(self)weakSelf = self;
[self sd_internalSetImageWithURL:url
placeholderImage:placeholder
options:options
context:mutableContext
setImageBlock:^(UIImage *image, NSData *imageData) {
[weakSelf setImage:image forState:state];
}
progress:progressBlock
completed:^(UIImage * _Nullable image, NSData * _Nullable data, NSError * _Nullable error, SDImageCacheType cacheType, BOOL finished, NSURL * _Nullable imageURL) {
if (completedBlock) {
completedBlock(image, error, cacheType, imageURL);
}
}];
}
#pragma mark - Background Image
- (nullable NSURL *)sd_currentBackgroundImageURL {
NSURL *url = self.sd_imageURLStorage[backgroundImageURLKeyForState(self.state)];
if (!url) {
url = self.sd_imageURLStorage[backgroundImageURLKeyForState(UIControlStateNormal)];
}
return url;
}
- (nullable NSURL *)sd_backgroundImageURLForState:(UIControlState)state {
return self.sd_imageURLStorage[backgroundImageURLKeyForState(state)];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url forState:(UIControlState)state {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder options:(SDWebImageOptions)options {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url forState:(UIControlState)state completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:completedBlock];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:completedBlock];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder options:(SDWebImageOptions)options completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 progress:nil completed:completedBlock];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder options:(SDWebImageOptions)options progress:(nullable SDWebImageDownloaderProgressBlock)progressBlock completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 context:nil progress:progressBlock completed:completedBlock];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url
forState:(UIControlState)state
placeholderImage:(nullable UIImage *)placeholder
options:(SDWebImageOptions)options
context:(nullable SDWebImageContext *)context
progress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
completed:(nullable SDExternalCompletionBlock)completedBlock {
if (!url) {
[self.sd_imageURLStorage removeObjectForKey:backgroundImageURLKeyForState(state)];
} else {
self.sd_imageURLStorage[backgroundImageURLKeyForState(state)] = url;
}
SDWebImageMutableContext *mutableContext;
if (context) {
mutableContext = [context mutableCopy];
} else {
mutableContext = [NSMutableDictionary dictionary];
}
mutableContext[SDWebImageContextSetImageOperationKey] = imageOperationKeyForState(state);
__weak typeof(self)weakSelf = self;
[self sd_internalSetImageWithURL:url
placeholderImage:placeholder
options:options
context:mutableContext
setImageBlock:^(UIImage *image, NSData *imageData) {
[weakSelf setBackgroundImage:image forState:state];
}
progress:progressBlock
completed:^(UIImage * _Nullable image, NSData * _Nullable data, NSError * _Nullable error, SDImageCacheType cacheType, BOOL finished, NSURL * _Nullable imageURL) {
if (completedBlock) {
completedBlock(image, error, cacheType, imageURL);
}
}];
}
#pragma mark - Cancel
- (void)sd_cancelImageLoadForState:(UIControlState)state {
[self sd_cancelImageLoadOperationWithKey:imageOperationKeyForState(state)];
}
- (void)sd_cancelBackgroundImageLoadForState:(UIControlState)state {
[self sd_cancelImageLoadOperationWithKey:backgroundImageOperationKeyForState(state)];
}
#pragma mark - Private
- (SDStateImageURLDictionary *)sd_imageURLStorage {
SDStateImageURLDictionary *storage = objc_getAssociatedObject(self, &imageURLStorageKey);
if (!storage) {
storage = [NSMutableDictionary dictionary];
objc_setAssociatedObject(self, &imageURLStorageKey, storage, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
return storage;
}
@end
#endif