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# Conflicts: # AsyncDisplayKit.xcodeproj/project.pbxproj # AsyncDisplayKit.xcodeproj/xcshareddata/xcschemes/AsyncDisplayKit.xcscheme # Source/ASDisplayNode.mm # Source/ASEditableTextNode.h # Source/ASImageNode.mm # Source/ASMapNode.h # Source/ASMapNode.mm # Source/Base/ASAssert.m # Source/Details/ASPhotosFrameworkImageRequest.h # Source/Details/ASPhotosFrameworkImageRequest.m # Source/Layout/ASLayoutElement.mm
70 lines
2.2 KiB
Objective-C
70 lines
2.2 KiB
Objective-C
//
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// ASBatchContext.h
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#ifndef MINIMAL_ASDK
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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* @abstract A context object to notify when batch fetches are finished or cancelled.
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*/
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@interface ASBatchContext : NSObject
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/**
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* Retrieve the state of the current batch process.
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*
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* @return A boolean reflecting if the owner of the context object is fetching another batch.
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*/
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- (BOOL)isFetching;
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/**
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* Let the context object know that a batch fetch was completed.
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*
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* @param didComplete A boolean that states whether or not the batch fetch completed.
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*
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* @discussion Only by passing YES will the owner of the context know to attempt another batch update when necessary.
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* For instance, when a table has reached the end of its data, a batch fetch will be attempted unless the context
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* object thinks that it is still fetching.
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*/
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- (void)completeBatchFetching:(BOOL)didComplete;
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/**
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* Ask the context object if the batch fetching process was cancelled by the context owner.
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*
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* @discussion If an error occurs in the context owner, the batch fetching may become out of sync and need to be
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* cancelled. For best practices, pass the return value of -batchWasCancelled to -completeBatchFetch:.
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*
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* @return A boolean reflecting if the context object owner had to cancel the batch process.
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*/
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- (BOOL)batchFetchingWasCancelled;
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/**
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* Notify the context object that something has interrupted the batch fetching process.
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*
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* @discussion Call this method only when something has corrupted the batch fetching process. Calling this method should
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* be left to the owner of the batch process unless there is a specific purpose.
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*/
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- (void)cancelBatchFetching;
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/**
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* Notify the context object that fetching has started.
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*
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* @discussion Call this method only when you are beginning a fetch process. This should really only be called by the
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* context object's owner. Calling this method should be paired with -completeBatchFetching:.
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*/
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- (void)beginBatchFetching;
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@end
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NS_ASSUME_NONNULL_END
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#endif
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