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8b890f07be
* Fork dealloc queue in an experiment * Fix and put back * Use the right selector * Go simpler * Clarify name * Type inference * Use CFTypeRefs like a boss * Improve comments * License header
91 lines
3.0 KiB
Objective-C
91 lines
3.0 KiB
Objective-C
//
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// ASRunLoopQueue.h
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// Texture
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
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// grant of patent rights can be found in the PATENTS file in the same directory.
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//
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// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
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// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <Foundation/Foundation.h>
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#import <AsyncDisplayKit/ASBaseDefines.h>
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NS_ASSUME_NONNULL_BEGIN
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@protocol ASCATransactionQueueObserving <NSObject>
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- (void)prepareForCATransactionCommit;
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@end
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@interface ASAbstractRunLoopQueue : NSObject
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@end
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AS_SUBCLASSING_RESTRICTED
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@interface ASRunLoopQueue<ObjectType> : ASAbstractRunLoopQueue <NSLocking>
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/**
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* Create a new queue with the given run loop and handler.
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*
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* @param runloop The run loop that will drive this queue.
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* @param retainsObjects Whether the queue should retain its objects.
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* @param handlerBlock An optional block to be run for each enqueued object.
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*
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* @discussion You may pass @c nil for the handler if you simply want the objects to
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* be retained at enqueue time, and released during the run loop step. This is useful
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* for creating a "main deallocation queue", as @c ASDeallocQueue creates its own
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* worker thread with its own run loop.
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*/
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- (instancetype)initWithRunLoop:(CFRunLoopRef)runloop
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retainObjects:(BOOL)retainsObjects
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handler:(nullable void(^)(ObjectType dequeuedItem, BOOL isQueueDrained))handlerBlock;
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- (void)enqueue:(ObjectType)object;
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@property (atomic, readonly) BOOL isEmpty;
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@property (nonatomic, assign) NSUInteger batchSize; // Default == 1.
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@property (nonatomic, assign) BOOL ensureExclusiveMembership; // Default == YES. Set-like behavior.
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@end
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AS_SUBCLASSING_RESTRICTED
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@interface ASCATransactionQueue : ASAbstractRunLoopQueue
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@property (atomic, readonly) BOOL isEmpty;
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@property (atomic, readonly, getter=isEnabled) BOOL enabled;
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/**
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* The queue to run on main run loop before CATransaction commit.
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*
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* @discussion this queue will run after ASRunLoopQueue and before CATransaction commit
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* to get last chance of updating/coalesce info like interface state.
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* Each node will only be called once per transaction commit to reflect interface change.
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*/
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@property (class, atomic, readonly) ASCATransactionQueue *sharedQueue;
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+ (ASCATransactionQueue *)sharedQueue NS_RETURNS_RETAINED;
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- (void)enqueue:(id<ASCATransactionQueueObserving>)object;
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@end
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@interface ASDeallocQueue : NSObject
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@property (class, atomic, readonly) ASDeallocQueue *sharedDeallocationQueue;
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+ (ASDeallocQueue *)sharedDeallocationQueue NS_RETURNS_RETAINED;
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- (void)drain;
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- (void)releaseObjectInBackground:(id __strong _Nullable * _Nonnull)objectPtr;
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@end
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NS_ASSUME_NONNULL_END
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