blob: e148af6deaaad7bba302afd468c2b084d1b9d8eb [file] [log] [blame]
Anders Carlsson7bca8ca2018-08-30 07:30:291/*
2 * Copyright 2015 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#import "RTCMacros.h"
14
15typedef NS_ENUM(NSInteger, RTCDispatcherQueueType) {
16 // Main dispatcher queue.
17 RTCDispatcherTypeMain,
18 // Used for starting/stopping AVCaptureSession, and assigning
19 // capture session to AVCaptureVideoPreviewLayer.
20 RTCDispatcherTypeCaptureSession,
21 // Used for operations on AVAudioSession.
22 RTCDispatcherTypeAudioSession,
Taylor Brandstetterea7fbfb2020-08-19 23:41:5423 // Used for operations on NWPathMonitor.
24 RTCDispatcherTypeNetworkMonitor,
Anders Carlsson7bca8ca2018-08-30 07:30:2925};
26
27/** Dispatcher that asynchronously dispatches blocks to a specific
28 * shared dispatch queue.
29 */
Mirko Bonadeie8d57242018-09-17 08:22:5630RTC_OBJC_EXPORT
Mirko Bonadeia81e9c82020-05-04 14:14:3231@interface RTC_OBJC_TYPE (RTCDispatcher) : NSObject
Anders Carlsson7bca8ca2018-08-30 07:30:2932
33- (instancetype)init NS_UNAVAILABLE;
34
35/** Dispatch the block asynchronously on the queue for dispatchType.
36 * @param dispatchType The queue type to dispatch on.
37 * @param block The block to dispatch asynchronously.
38 */
39+ (void)dispatchAsyncOnType:(RTCDispatcherQueueType)dispatchType block:(dispatch_block_t)block;
40
41/** Returns YES if run on queue for the dispatchType otherwise NO.
42 * Useful for asserting that a method is run on a correct queue.
43 */
44+ (BOOL)isOnQueueForType:(RTCDispatcherQueueType)dispatchType;
45
46@end