Swiftgram/Source/ASVisibilityProtocols.m
2017-02-26 18:14:13 -08:00

26 lines
795 B
Objective-C

//
// ASVisibilityProtocols.m
// AsyncDisplayKit
//
// Created by Garrett Moon on 4/28/16.
//
// 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 <AsyncDisplayKit/ASVisibilityProtocols.h>
ASLayoutRangeMode ASLayoutRangeModeForVisibilityDepth(NSUInteger visibilityDepth)
{
if (visibilityDepth == 0) {
return ASLayoutRangeModeFull;
} else if (visibilityDepth == 1) {
return ASLayoutRangeModeMinimum;
} else if (visibilityDepth == 2) {
return ASLayoutRangeModeVisibleOnly;
}
return ASLayoutRangeModeLowMemory;
}