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单军华

2018-07-19 83b9d5c682b21d88133f24da0f94dd56bd79e687

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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 "NSButton+WebCache.h"
 
#if SD_MAC
 
#import "objc/runtime.h"
#import "UIView+WebCacheOperation.h"
#import "UIView+WebCache.h"
 
static inline NSString * imageOperationKey() {
    return @"NSButtonImageOperation";
}
 
static inline NSString * alternateImageOperationKey() {
    return @"NSButtonAlternateImageOperation";
}
 
@implementation NSButton (WebCache)
 
#pragma mark - Image
 
- (void)sd_setImageWithURL:(nullable NSURL *)url {
    [self sd_setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:nil];
}
 
- (void)sd_setImageWithURL:(nullable NSURL *)url placeholderImage:(nullable UIImage *)placeholder {
    [self sd_setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:nil];
}
 
- (void)sd_setImageWithURL:(nullable NSURL *)url placeholderImage:(nullable UIImage *)placeholder options:(SDWebImageOptions)options {
    [self sd_setImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:nil];
}
 
- (void)sd_setImageWithURL:(nullable NSURL *)url completed:(nullable SDExternalCompletionBlock)completedBlock {
    [self sd_setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:completedBlock];
}
 
- (void)sd_setImageWithURL:(nullable NSURL *)url placeholderImage:(nullable UIImage *)placeholder completed:(nullable SDExternalCompletionBlock)completedBlock {
    [self sd_setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:completedBlock];
}
 
- (void)sd_setImageWithURL:(nullable NSURL *)url placeholderImage:(nullable UIImage *)placeholder options:(SDWebImageOptions)options completed:(nullable SDExternalCompletionBlock)completedBlock {
    [self sd_setImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:completedBlock];
}
 
- (void)sd_setImageWithURL:(nullable NSURL *)url
          placeholderImage:(nullable UIImage *)placeholder
                   options:(SDWebImageOptions)options
                  progress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
                 completed:(nullable SDExternalCompletionBlock)completedBlock {
    self.sd_currentImageURL = url;
    
    __weak typeof(self)weakSelf = self;
    [self sd_internalSetImageWithURL:url
                    placeholderImage:placeholder
                             options:options
                        operationKey:imageOperationKey()
                       setImageBlock:^(NSImage * _Nullable image, NSData * _Nullable imageData) {
                           weakSelf.image = image;
                       }
                            progress:progressBlock
                           completed:completedBlock];
}
 
#pragma mark - Alternate Image
 
- (void)sd_setAlternateImageWithURL:(nullable NSURL *)url {
    [self sd_setAlternateImageWithURL:url placeholderImage:nil options:0 progress:nil completed:nil];
}
 
- (void)sd_setAlternateImageWithURL:(nullable NSURL *)url placeholderImage:(nullable UIImage *)placeholder {
    [self sd_setAlternateImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:nil];
}
 
- (void)sd_setAlternateImageWithURL:(nullable NSURL *)url placeholderImage:(nullable UIImage *)placeholder options:(SDWebImageOptions)options {
    [self sd_setAlternateImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:nil];
}
 
- (void)sd_setAlternateImageWithURL:(nullable NSURL *)url completed:(nullable SDExternalCompletionBlock)completedBlock {
    [self sd_setAlternateImageWithURL:url placeholderImage:nil options:0 progress:nil completed:completedBlock];
}
 
- (void)sd_setAlternateImageWithURL:(nullable NSURL *)url placeholderImage:(nullable UIImage *)placeholder completed:(nullable SDExternalCompletionBlock)completedBlock {
    [self sd_setAlternateImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:completedBlock];
}
 
- (void)sd_setAlternateImageWithURL:(nullable NSURL *)url placeholderImage:(nullable UIImage *)placeholder options:(SDWebImageOptions)options completed:(nullable SDExternalCompletionBlock)completedBlock {
    [self sd_setAlternateImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:completedBlock];
}
 
- (void)sd_setAlternateImageWithURL:(nullable NSURL *)url
                   placeholderImage:(nullable UIImage *)placeholder
                            options:(SDWebImageOptions)options
                           progress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
                          completed:(nullable SDExternalCompletionBlock)completedBlock {
    self.sd_currentAlternateImageURL = url;
    
    __weak typeof(self)weakSelf = self;
    [self sd_internalSetImageWithURL:url
                    placeholderImage:placeholder
                             options:options
                        operationKey:alternateImageOperationKey()
                       setImageBlock:^(NSImage * _Nullable image, NSData * _Nullable imageData) {
                           weakSelf.alternateImage = image;
                       }
                            progress:progressBlock
                           completed:completedBlock];
}
 
#pragma mark - Cancel
 
- (void)sd_cancelCurrentImageLoad {
    [self sd_cancelImageLoadOperationWithKey:imageOperationKey()];
}
 
- (void)sd_cancelCurrentAlternateImageLoad {
    [self sd_cancelImageLoadOperationWithKey:alternateImageOperationKey()];
}
 
#pragma mar - Private
 
- (NSURL *)sd_currentImageURL {
    return objc_getAssociatedObject(self, @selector(sd_currentImageURL));
}
 
- (void)setSd_currentImageURL:(NSURL *)sd_currentImageURL {
    objc_setAssociatedObject(self, @selector(sd_currentImageURL), sd_currentImageURL, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
 
- (NSURL *)sd_currentAlternateImageURL {
    return objc_getAssociatedObject(self, @selector(sd_currentAlternateImageURL));
}
 
- (void)setSd_currentAlternateImageURL:(NSURL *)sd_currentAlternateImageURL {
    objc_setAssociatedObject(self, @selector(sd_currentAlternateImageURL), sd_currentAlternateImageURL, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
 
@end
 
#endif