A whole bunch of crazy stuff

2026-04-07 19:17:39 +00:00 · 2017-05-17 16:29:21 -07:00
parent 432018cfdc
commit 415306ce42
5 changed files with 573 additions and 27 deletions
@@ -0,0 +1,125 @@
+//
+//  ASObjectBasedCollectionDataSource.h
+//  AsyncDisplayKit
+//
+//  Created by Adlai Holler on 5/16/17.
+//  Copyright © 2017 Facebook. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <AsyncDisplayKit/ASBaseDefines.h>
+#import <AsyncDisplayKit/ASCollectionNode.h>
+
+@class ASDisplayNode;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol IGListDiffable <NSObject>
+@end
+
+@protocol ASCopyDiffable <NSObject, IGListDiffable, NSCopying>
+@end
+
+AS_SUBCLASSING_RESTRICTED
+@interface ASCollectionData<ObjectType: id<NSCopying>, SectionType: id<ASCopyDiffable>, ItemType: id<ASCopyDiffable>> : NSObject
+
+@property (atomic, copy, readonly) ObjectType rootObject;
+
+@property (atomic, copy, readonly) NSArray<SectionType> *sections;
+
+- (NSArray<ItemType> *)itemsInSectionWithID:(id)sectionID;
+
+@end
+
+@interface ASMutableCollectionData<ObjectType: id<NSCopying>, SectionType: id<ASCopyDiffable>, ItemType: id<ASCopyDiffable>> : NSObject <NSCopying>
+
+@end
+
+@interface ASSectionController2<ObjectType : id<ASCopyDiffable>, ItemType : id<ASCopyDiffable>> : NSObject
+
+@property (atomic, copy, readonly) NSArray<ItemType> *items;
+
+- (void)didUpdateToObject:(ObjectType)object;
+
+@end
+
+@interface ASCellNode (ObjectHandling)
+
+- (BOOL)canUpdateToObject:(id)object;
+
+- (void)didUpdateToObject:(id)object;
+
+@end
+
+AS_SUBCLASSING_RESTRICTED
+@interface ASCollectionDataRequest<ObjectType: id<ASCopyDiffable>> : NSObject
+
+@property (atomic, readonly, getter=isCancelled) BOOL cancelled;
+
+@end
+
+typedef ASDisplayNode *_Nullable(^ASObjectRenderBlock)(id object);
+
+AS_SUBCLASSING_RESTRICTED
+@interface ASObjectRenderer : NSObject
+
+@property (class, atomic, strong, readonly) ASObjectRenderer *sharedRenderer;
+
+/**
+ * You should call this in the `load` method of your display node subclass.
+ *
+ * @param c The class of objects you can render.
+ * @param block The block that attempts to render the object into a node.
+ */
+- (void)addRenderMethodForObjectClass:(nullable Class)c block:(ASObjectRenderBlock)block;
+
+/**
+ */
+- (nullable ASDisplayNode *)renderObject:(id)object;
+
+@end
+
+AS_SUBCLASSING_RESTRICTED
+@interface ASSectionRenderer : NSObject
+
+@property (class, atomic, strong, readonly) ASObjectRenderer *sharedRenderer;
+
+/**
+ * You should call this in the `load` method of your display node subclass.
+ *
+ * @param c The class of objects you can render.
+ * @param block The block that attempts to render the object into a node.
+ */
+- (void)addRenderMethodForObjectClass:(nullable Class)c block:(ASObjectRenderBlock)block;
+
+/**
+ */
+- (nullable NSArray<ASCopyDiffable>  *)renderObject:(id)object;
+@end
+
+AS_SUBCLASSING_RESTRICTED
+@interface ASObjectBasedCollectionDataSource<ObjectType: id<ASCopyDiffable>, SectionType: id<ASCopyDiffable>, ItemType: id<ASCopyDiffable>> : NSObject <ASCollectionDataSource, ASCollectionDelegate>
+
+- (instancetype)initWithCollectionNode:(ASCollectionNode *)collectionNode sourceQueue:(nullable dispatch_queue_t)sourceQueue;
+
+@property (nonatomic, weak, readonly) ASCollectionNode *collectionNode;
+
+@property (nonatomic, weak) id<UIScrollViewDelegate> scrollViewDelegate;
+
+@property (nonatomic, copy, nullable) ASCollectionData<ObjectType, SectionType, ItemType> *(^dataBlock)(ASCollectionDataRequest<ObjectType> *request);
+
+/**
+ * If this is the main queue (default) the method will be called on the main thread.
+ */
+@property (nonatomic, strong, readonly) dispatch_queue_t sourceQueue;
+
+/**
+ * @note You can call this inside `+performWithoutAnimation:`.
+ * @note You can call this method from any thread. 
+ */
+- (void)invalidateWithAnimationCompletion:(void(^)(BOOL finished))animationCompletion;
+
+@end
+
+
+NS_ASSUME_NONNULL_END