Swiftgram/AsyncDisplayKit/Details/ASRangeHandlerPreload.mm
2015-03-09 12:33:02 -07:00

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/* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "ASRangeHandlerPreload.h"
#import "ASDisplayNode.h"
#import "ASDisplayNode+Subclasses.h"
@implementation ASRangeHandlerPreload
- (void)node:(ASDisplayNode *)node enteredRangeOfType:(ASLayoutRangeType)rangeType
{
ASDisplayNodeAssert(rangeType == ASLayoutRangeTypePreload, @"Preload delegate should not handle other ranges");
[node recursivelyFetchRemoteData];
}
- (void)node:(ASDisplayNode *)node exitedRangeOfType:(ASLayoutRangeType)rangeType
{
ASDisplayNodeAssert(rangeType == ASLayoutRangeTypePreload, @"Preload delegate should not handle other ranges");
[node recursivelyClearRemoteData];
}
@end