| /* |
| * Copyright 2018 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #import <Foundation/Foundation.h> |
| |
| // RTCDisplayLinkTimer wraps a CADisplayLink and is set to fire every two screen |
| // refreshes, which should be 30fps. We wrap the display link in order to avoid |
| // a retain cycle since CADisplayLink takes a strong reference onto its target. |
| // The timer is paused by default. |
| @interface RTCDisplayLinkTimer : NSObject |
| |
| @property(nonatomic) BOOL isPaused; |
| |
| - (instancetype)initWithTimerHandler:(void (^)(void))timerHandler; |
| - (void)invalidate; |
| |
| @end |