You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.5 KiB
60 lines
1.5 KiB
/*
|
|
* 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 "RTCDisplayLinkTimer.h"
|
|
|
|
#import <UIKit/UIKit.h>
|
|
|
|
@implementation RTCDisplayLinkTimer {
|
|
CADisplayLink *_displayLink;
|
|
void (^_timerHandler)(void);
|
|
}
|
|
|
|
- (instancetype)initWithTimerHandler:(void (^)(void))timerHandler {
|
|
NSParameterAssert(timerHandler);
|
|
if (self = [super init]) {
|
|
_timerHandler = timerHandler;
|
|
_displayLink =
|
|
[CADisplayLink displayLinkWithTarget:self
|
|
selector:@selector(displayLinkDidFire:)];
|
|
_displayLink.paused = YES;
|
|
#if __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_10_0
|
|
_displayLink.preferredFramesPerSecond = 30;
|
|
#else
|
|
[_displayLink setFrameInterval:2];
|
|
#endif
|
|
[_displayLink addToRunLoop:[NSRunLoop currentRunLoop]
|
|
forMode:NSRunLoopCommonModes];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void)dealloc {
|
|
[self invalidate];
|
|
}
|
|
|
|
- (BOOL)isPaused {
|
|
return _displayLink.paused;
|
|
}
|
|
|
|
- (void)setIsPaused:(BOOL)isPaused {
|
|
_displayLink.paused = isPaused;
|
|
}
|
|
|
|
- (void)invalidate {
|
|
[_displayLink invalidate];
|
|
}
|
|
|
|
- (void)displayLinkDidFire:(CADisplayLink *)displayLink {
|
|
_timerHandler();
|
|
}
|
|
|
|
@end
|