| /* |
| * Copyright 2015 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> |
| |
| #import <WebRTC/RTCMacros.h> |
| |
| typedef NS_ENUM(NSInteger, RTCDispatcherQueueType) { |
| // Main dispatcher queue. |
| RTCDispatcherTypeMain, |
| // Used for starting/stopping AVCaptureSession, and assigning |
| // capture session to AVCaptureVideoPreviewLayer. |
| RTCDispatcherTypeCaptureSession, |
| // Used for operations on AVAudioSession. |
| RTCDispatcherTypeAudioSession, |
| }; |
| |
| /** Dispatcher that asynchronously dispatches blocks to a specific |
| * shared dispatch queue. |
| */ |
| RTC_EXPORT |
| @interface RTCDispatcher : NSObject |
| |
| - (instancetype)init NS_UNAVAILABLE; |
| |
| /** Dispatch the block asynchronously on the queue for dispatchType. |
| * @param dispatchType The queue type to dispatch on. |
| * @param block The block to dispatch asynchronously. |
| */ |
| + (void)dispatchAsyncOnType:(RTCDispatcherQueueType)dispatchType |
| block:(dispatch_block_t)block; |
| |
| /** Returns YES if run on queue for the dispatchType otherwise NO. |
| * Useful for asserting that a method is run on a correct queue. |
| */ |
| + (BOOL)isOnQueueForType:(RTCDispatcherQueueType)dispatchType; |
| |
| @end |
