From 7b02207537d35bfa1714bf8beafc921f717d100a Mon Sep 17 00:00:00 2001
From: 单军华
Date: Wed, 11 Jul 2018 10:47:42 +0800
Subject: [PATCH] 首次上传
---
screendisplay/Pods/SDWebImage/SDWebImage/UIImageView+WebCache.m | 139 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 139 insertions(+), 0 deletions(-)
diff --git a/screendisplay/Pods/SDWebImage/SDWebImage/UIImageView+WebCache.m b/screendisplay/Pods/SDWebImage/SDWebImage/UIImageView+WebCache.m
new file mode 100644
index 0000000..1baea5d
--- /dev/null
+++ b/screendisplay/Pods/SDWebImage/SDWebImage/UIImageView+WebCache.m
@@ -0,0 +1,139 @@
+/*
+ * 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 "UIImageView+WebCache.h"
+#import "objc/runtime.h"
+#import "UIView+WebCacheOperation.h"
+#import "UIView+WebCache.h"
+
+@implementation UIImageView (WebCache)
+
+- (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_internalSetImageWithURL:url
+ placeholderImage:placeholder
+ options:options
+ operationKey:nil
+ setImageBlock:nil
+ progress:progressBlock
+ completed:completedBlock];
+}
+
+- (void)sd_setImageWithPreviousCachedImageWithURL:(nullable NSURL *)url
+ placeholderImage:(nullable UIImage *)placeholder
+ options:(SDWebImageOptions)options
+ progress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
+ completed:(nullable SDExternalCompletionBlock)completedBlock {
+ NSString *key = [[SDWebImageManager sharedManager] cacheKeyForURL:url];
+ UIImage *lastPreviousCachedImage = [[SDImageCache sharedImageCache] imageFromCacheForKey:key];
+
+ [self sd_setImageWithURL:url placeholderImage:lastPreviousCachedImage ?: placeholder options:options progress:progressBlock completed:completedBlock];
+}
+
+#if SD_UIKIT
+
+#pragma mark - Animation of multiple images
+
+- (void)sd_setAnimationImagesWithURLs:(nonnull NSArray<NSURL *> *)arrayOfURLs {
+ [self sd_cancelCurrentAnimationImagesLoad];
+ NSPointerArray *operationsArray = [self sd_animationOperationArray];
+
+ [arrayOfURLs enumerateObjectsUsingBlock:^(NSURL *logoImageURL, NSUInteger idx, BOOL * _Nonnull stop) {
+ __weak __typeof(self) wself = self;
+ id <SDWebImageOperation> operation = [[SDWebImageManager sharedManager] loadImageWithURL:logoImageURL options:0 progress:nil completed:^(UIImage *image, NSData *data, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) {
+ __strong typeof(wself) sself = wself;
+ if (!sself) return;
+ dispatch_main_async_safe(^{
+ [sself stopAnimating];
+ if (sself && image) {
+ NSMutableArray<UIImage *> *currentImages = [[sself animationImages] mutableCopy];
+ if (!currentImages) {
+ currentImages = [[NSMutableArray alloc] init];
+ }
+
+ // We know what index objects should be at when they are returned so
+ // we will put the object at the index, filling any empty indexes
+ // with the image that was returned too "early". These images will
+ // be overwritten. (does not require additional sorting datastructure)
+ while ([currentImages count] < idx) {
+ [currentImages addObject:image];
+ }
+
+ currentImages[idx] = image;
+
+ sself.animationImages = currentImages;
+ [sself setNeedsLayout];
+ }
+ [sself startAnimating];
+ });
+ }];
+ @synchronized (self) {
+ [operationsArray addPointer:(__bridge void *)(operation)];
+ }
+ }];
+}
+
+static char animationLoadOperationKey;
+
+// element is weak because operation instance is retained by SDWebImageManager's runningOperations property
+// we should use lock to keep thread-safe because these method may not be acessed from main queue
+- (NSPointerArray *)sd_animationOperationArray {
+ @synchronized(self) {
+ NSPointerArray *operationsArray = objc_getAssociatedObject(self, &animationLoadOperationKey);
+ if (operationsArray) {
+ return operationsArray;
+ }
+ operationsArray = [NSPointerArray weakObjectsPointerArray];
+ objc_setAssociatedObject(self, &animationLoadOperationKey, operationsArray, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+ return operationsArray;
+ }
+}
+
+- (void)sd_cancelCurrentAnimationImagesLoad {
+ NSPointerArray *operationsArray = [self sd_animationOperationArray];
+ if (operationsArray) {
+ @synchronized (self) {
+ for (id operation in operationsArray) {
+ if ([operation conformsToProtocol:@protocol(SDWebImageOperation)]) {
+ [operation cancel];
+ }
+ }
+ operationsArray.count = 0;
+ }
+ }
+}
+#endif
+
+@end
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