Swiftgram/AsyncDisplayKit/Details/ASScrollDirection.h

35 lines
1.2 KiB
Objective-C

/* 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 <Foundation/Foundation.h>
#import "ASBaseDefines.h"
typedef NS_OPTIONS(NSInteger, ASScrollDirection) {
ASScrollDirectionNone = 0,
ASScrollDirectionRight = 1 << 0,
ASScrollDirectionLeft = 1 << 1,
ASScrollDirectionUp = 1 << 2,
ASScrollDirectionDown = 1 << 3
};
extern const ASScrollDirection ASScrollDirectionHorizontalDirections;
extern const ASScrollDirection ASScrollDirectionVerticalDirections;
ASDISPLAYNODE_EXTERN_C_BEGIN
BOOL ASScrollDirectionContainsVerticalDirection(ASScrollDirection scrollDirection);
BOOL ASScrollDirectionContainsHorizontalDirection(ASScrollDirection scrollDirection);
BOOL ASScrollDirectionContainsRight(ASScrollDirection scrollDirection);
BOOL ASScrollDirectionContainsLeft(ASScrollDirection scrollDirection);
BOOL ASScrollDirectionContainsUp(ASScrollDirection scrollDirection);
BOOL ASScrollDirectionContainsDown(ASScrollDirection scrollDirection);
ASDISPLAYNODE_EXTERN_C_END