45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
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/*
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* Copyright 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import <Foundation/Foundation.h>
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#import "RTCMacros.h"
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typedef NS_ENUM(NSInteger, RTCDispatcherQueueType) {
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// Main dispatcher queue.
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RTCDispatcherTypeMain,
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// Used for starting/stopping AVCaptureSession, and assigning
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// capture session to AVCaptureVideoPreviewLayer.
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RTCDispatcherTypeCaptureSession,
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// Used for operations on AVAudioSession.
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RTCDispatcherTypeAudioSession,
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};
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/** Dispatcher that asynchronously dispatches blocks to a specific
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* shared dispatch queue.
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*/
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RTC_OBJC_EXPORT
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@interface RTCDispatcher : NSObject
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- (instancetype)init NS_UNAVAILABLE;
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/** Dispatch the block asynchronously on the queue for dispatchType.
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* @param dispatchType The queue type to dispatch on.
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* @param block The block to dispatch asynchronously.
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*/
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+ (void)dispatchAsyncOnType:(RTCDispatcherQueueType)dispatchType block:(dispatch_block_t)block;
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/** Returns YES if run on queue for the dispatchType otherwise NO.
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* Useful for asserting that a method is run on a correct queue.
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*/
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+ (BOOL)isOnQueueForType:(RTCDispatcherQueueType)dispatchType;
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@end
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