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8c45eaefce
* Add ASBatchFetchingDelegate - In addition to checking remaining leading screens, ASBatchFetching now also calculates a remaining time and consults its delegate if needed. - The delegate can override the decision of ASBatchFetching, for example based on remaining time and average time of past batch requests. * Fix up tests * Update CHANGELOG
28 lines
881 B
Objective-C
28 lines
881 B
Objective-C
//
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// ASBatchFetchingDelegate.h
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// Texture
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//
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// Copyright (c) 2017-present, Pinterest, Inc. All rights reserved.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <UIKit/UIKit.h>
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@protocol ASBatchFetchingDelegate <NSObject>
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/**
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* @abstract Determine if batch fetching should begin based on the remaining time.
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* If the delegate doesn't have enough information to confidently decide, it can take the given hint.
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*
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* @param remainingTime The amount of time left for user to reach the end of the scroll view's content.
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*
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* @param hint A hint for the delegate to fallback to.
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*/
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- (BOOL)shouldFetchBatchWithRemainingTime:(NSTimeInterval)remainingTime hint:(BOOL)hint;
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@end
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