4

2025-10-27 21:55:05 +08:00
parent d4ebfb9909
commit a6c077a42d
414 changed files with 55606 additions and 21 deletions
--- a/Pods/SDWebImage/SDWebImage/Core/UIView+WebCacheOperation.m
+++ b/Pods/SDWebImage/SDWebImage/Core/UIView+WebCacheOperation.m
@@ -0,0 +1,85 @@
+/*
+ * 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 "UIView+WebCacheOperation.h"
+#import "objc/runtime.h"
+
+// key is strong, value 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 accessed from main queue
+typedef NSMapTable<NSString *, id<SDWebImageOperation>> SDOperationsDictionary;
+
+@implementation UIView (WebCacheOperation)
+
+- (SDOperationsDictionary *)sd_operationDictionary {
+    @synchronized(self) {
+        SDOperationsDictionary *operations = objc_getAssociatedObject(self, @selector(sd_operationDictionary));
+        if (operations) {
+            return operations;
+        }
+        operations = [[NSMapTable alloc] initWithKeyOptions:NSPointerFunctionsStrongMemory valueOptions:NSPointerFunctionsWeakMemory capacity:0];
+        objc_setAssociatedObject(self, @selector(sd_operationDictionary), operations, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+        return operations;
+    }
+}
+
+- (nullable id<SDWebImageOperation>)sd_imageLoadOperationForKey:(nullable NSString *)key  {
+    id<SDWebImageOperation> operation;
+    if (!key) {
+        key = NSStringFromClass(self.class);
+    }
+    SDOperationsDictionary *operationDictionary = [self sd_operationDictionary];
+    @synchronized (self) {
+        operation = [operationDictionary objectForKey:key];
+    }
+    return operation;
+}
+
+- (void)sd_setImageLoadOperation:(nullable id<SDWebImageOperation>)operation forKey:(nullable NSString *)key {
+    if (!key) {
+        key = NSStringFromClass(self.class);
+    }
+    if (operation) {
+        SDOperationsDictionary *operationDictionary = [self sd_operationDictionary];
+        @synchronized (self) {
+            [operationDictionary setObject:operation forKey:key];
+        }
+    }
+}
+
+- (void)sd_cancelImageLoadOperationWithKey:(nullable NSString *)key {
+    if (!key) {
+        key = NSStringFromClass(self.class);
+    }
+    // Cancel in progress downloader from queue
+    SDOperationsDictionary *operationDictionary = [self sd_operationDictionary];
+    id<SDWebImageOperation> operation;
+    
+    @synchronized (self) {
+        operation = [operationDictionary objectForKey:key];
+    }
+    if (operation) {
+        if ([operation respondsToSelector:@selector(cancel)]) {
+            [operation cancel];
+        }
+        @synchronized (self) {
+            [operationDictionary removeObjectForKey:key];
+        }
+    }
+}
+
+- (void)sd_removeImageLoadOperationWithKey:(nullable NSString *)key {
+    if (!key) {
+        key = NSStringFromClass(self.class);
+    }
+    SDOperationsDictionary *operationDictionary = [self sd_operationDictionary];
+    @synchronized (self) {
+        [operationDictionary removeObjectForKey:key];
+    }
+}
+
+@end