| Anders Carlsson | 7bca8ca | 2018-08-30 07:30:29 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018 The WebRTC project authors. All Rights Reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| 11 | #import <Foundation/Foundation.h> |
| 12 | |
| 13 | // RTCDisplayLinkTimer wraps a CADisplayLink and is set to fire every two screen |
| 14 | // refreshes, which should be 30fps. We wrap the display link in order to avoid |
| 15 | // a retain cycle since CADisplayLink takes a strong reference onto its target. |
| 16 | // The timer is paused by default. |
| 17 | @interface RTCDisplayLinkTimer : NSObject |
| 18 | |
| 19 | @property(nonatomic) BOOL isPaused; |
| 20 | |
| 21 | - (instancetype)initWithTimerHandler:(void (^)(void))timerHandler; |
| 22 | - (void)invalidate; |
| 23 | |
| 24 | @end |
