/*
* Copyright (c) 2015 - 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>

@interface CADisplayLink : NSObject {

  id _target;
 SEL _selector;
}

@property(readonly, nonatomic) CFTimeInterval duration;

@property(nonatomic) NSInteger frameInterval;

@property(getter=isPaused, nonatomic) BOOL paused;

@property(readonly, nonatomic) CFTimeInterval timestamp;

// Returns a new display link.
+ (CADisplayLink *)displayLinkWithTarget:(id)target
                                selector:(SEL)sel;

// Release the target
- (void) invalidate;

@end