Initial commit

2017-08-15 16:59:01 +08:00
commit bdc83e07ef
5766 changed files with 423223 additions and 0 deletions
@@ -0,0 +1,55 @@
+/*
+ * 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"
+
+static char loadOperationKey;
+
+@implementation UIView (WebCacheOperation)
+
+- (NSMutableDictionary *)operationDictionary {
+    NSMutableDictionary *operations = objc_getAssociatedObject(self, &loadOperationKey);
+    if (operations) {
+        return operations;
+    }
+    operations = [NSMutableDictionary dictionary];
+    objc_setAssociatedObject(self, &loadOperationKey, operations, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+    return operations;
+}
+
+- (void)sd_setImageLoadOperation:(id)operation forKey:(NSString *)key {
+    [self sd_cancelImageLoadOperationWithKey:key];
+    NSMutableDictionary *operationDictionary = [self operationDictionary];
+    [operationDictionary setObject:operation forKey:key];
+}
+
+- (void)sd_cancelImageLoadOperationWithKey:(NSString *)key {
+    // Cancel in progress downloader from queue
+    NSMutableDictionary *operationDictionary = [self operationDictionary];
+    id operations = [operationDictionary objectForKey:key];
+    if (operations) {
+        if ([operations isKindOfClass:[NSArray class]]) {
+            for (id <SDWebImageOperation> operation in operations) {
+                if (operation) {
+                    [operation cancel];
+                }
+            }
+        } else if ([operations conformsToProtocol:@protocol(SDWebImageOperation)]){
+            [(id<SDWebImageOperation>) operations cancel];
+        }
+        [operationDictionary removeObjectForKey:key];
+    }
+}
+
+- (void)sd_removeImageLoadOperationWithKey:(NSString *)key {
+    NSMutableDictionary *operationDictionary = [self operationDictionary];
+    [operationDictionary removeObjectForKey:key];
+}
+
+@end