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Bunch of utility funcs were moved to RCTUIManagerUtils
Summary: Because `RCTUIManager` is already overcomplicated and that stuff deserves separate file and header. Reviewed By: javache Differential Revision: D5856653 fbshipit-source-id: 7001bb8ba611976bf3b82d6a25f5619810a35b34
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| /** | ||
| * Copyright (c) 2015-present, Facebook, Inc. | ||
| * All rights reserved. | ||
| * | ||
| * This source code is licensed under the BSD-style license found in the | ||
| * LICENSE file in the root directory of this source tree. An additional grant | ||
| * of patent rights can be found in the PATENTS file in the same directory. | ||
| */ | ||
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| #import <UIKit/UIKit.h> | ||
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| #import <React/RCTAssert.h> | ||
| #import <React/RCTDefines.h> | ||
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| /** | ||
| * Returns UIManager queue. | ||
| */ | ||
| RCT_EXTERN dispatch_queue_t RCTGetUIManagerQueue(void); | ||
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| /** | ||
| * Default name for the UIManager queue. | ||
| */ | ||
| RCT_EXTERN char *const RCTUIManagerQueueName; | ||
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| /** | ||
| * Check if we are currently on UIManager queue. | ||
| */ | ||
| RCT_EXTERN BOOL RCTIsUIManagerQueue(void); | ||
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| /** | ||
| * *Asynchronously* executes the specified block on the UIManager queue. | ||
| * Unlike `dispatch_async()` this will execute the block immediately | ||
| * if we're already on the UIManager queue. | ||
| */ | ||
| RCT_EXTERN void RCTExecuteOnUIManagerQueue(dispatch_block_t block); | ||
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| /** | ||
| * *Synchorously* executes the specified block on the UIManager queue. | ||
| * Unlike `dispatch_sync()` this will execute the block immediately | ||
| * if we're already on the UIManager queue. | ||
| * Please do not use this unless you really know what you're doing. | ||
| */ | ||
| RCT_EXTERN void RCTUnsafeExecuteOnUIManagerQueueSync(dispatch_block_t block); | ||
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| /** | ||
| * Convenience macro for asserting that we're running on UIManager queue. | ||
| */ | ||
| #define RCTAssertUIManagerQueue() RCTAssert(RCTIsUIManagerQueue(), \ | ||
| @"This function must be called on the UIManager queue") |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /** | ||
| * Copyright (c) 2015-present, Facebook, Inc. | ||
| * All rights reserved. | ||
| * | ||
| * This source code is licensed under the BSD-style license found in the | ||
| * LICENSE file in the root directory of this source tree. An additional grant | ||
| * of patent rights can be found in the PATENTS file in the same directory. | ||
| */ | ||
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| #import "RCTUIManagerUtils.h" | ||
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| #import "RCTAssert.h" | ||
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| char *const RCTUIManagerQueueName = "com.facebook.react.ShadowQueue"; | ||
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| dispatch_queue_t RCTGetUIManagerQueue(void) | ||
| { | ||
| static dispatch_queue_t shadowQueue; | ||
| static dispatch_once_t onceToken; | ||
| dispatch_once(&onceToken, ^{ | ||
| if ([NSOperation instancesRespondToSelector:@selector(qualityOfService)]) { | ||
| dispatch_queue_attr_t attr = dispatch_queue_attr_make_with_qos_class(DISPATCH_QUEUE_SERIAL, QOS_CLASS_USER_INTERACTIVE, 0); | ||
| shadowQueue = dispatch_queue_create(RCTUIManagerQueueName, attr); | ||
| } else { | ||
| shadowQueue = dispatch_queue_create(RCTUIManagerQueueName, DISPATCH_QUEUE_SERIAL); | ||
| dispatch_set_target_queue(shadowQueue, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0)); | ||
| } | ||
| }); | ||
| return shadowQueue; | ||
| } | ||
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| BOOL RCTIsUIManagerQueue() | ||
| { | ||
| static void *queueKey = &queueKey; | ||
| static dispatch_once_t onceToken; | ||
| dispatch_once(&onceToken, ^{ | ||
| dispatch_queue_set_specific(RCTGetUIManagerQueue(), queueKey, queueKey, NULL); | ||
| }); | ||
| return dispatch_get_specific(queueKey) == queueKey; | ||
| } | ||
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| void RCTExecuteOnUIManagerQueue(dispatch_block_t block) | ||
| { | ||
| if (RCTIsUIManagerQueue()) { | ||
| block(); | ||
| } else { | ||
| dispatch_async(RCTGetUIManagerQueue(), ^{ | ||
| block(); | ||
| }); | ||
| } | ||
| } | ||
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| void RCTUnsafeExecuteOnUIManagerQueueSync(dispatch_block_t block) | ||
| { | ||
| if (RCTIsUIManagerQueue()) { | ||
| block(); | ||
| } else { | ||
| dispatch_sync(RCTGetUIManagerQueue(), ^{ | ||
| block(); | ||
| }); | ||
| } | ||
| } |
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