54 lines
1.1 KiB
Mathematica
54 lines
1.1 KiB
Mathematica
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/*
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* This file is part of the SDWebImage package.
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* (c) Olivier Poitrey <rs@dailymotion.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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#import "UIImageView+WebCache.h"
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#import "UIImageViewHelper.h"
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@implementation UIImageView (WebCache)
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- (void)setImageWithURL:(NSURL *)url
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{
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UIImageViewHelper *helper = nil;
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if ([self.subviews count] > 0)
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{
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helper = [self.subviews objectAtIndex:0];
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}
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if (helper == nil)
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{
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helper = [[[UIImageViewHelper alloc] initWithDelegate:self] autorelease];
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[self addSubview:helper];
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}
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// Remove in progress downloader from queue
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[helper cancel];
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// Save the placeholder image in order to re-apply it when view is reused
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if (helper.placeHolderImage == nil)
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{
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helper.placeHolderImage = self.image;
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}
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else
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{
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self.image = helper.placeHolderImage;
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}
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UIImage *cachedImage = [helper imageWithURL:url];
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if (cachedImage)
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{
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self.image = cachedImage;
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}
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else
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{
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[helper downloadWithURL:url];
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}
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}
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@end
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