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Bunch of utility funcs were moved to RCTUIManagerUtils

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Summary: Because `RCTUIManager` is already overcomplicated and that stuff deserves separate file and header.

Reviewed By: javache

Differential Revision: D5856653

fbshipit-source-id: 7001bb8ba611976bf3b82d6a25f5619810a35b34
This commit is contained in:
Valentin Shergin
2017-09-26 13:55:58 -07:00
committed by Facebook Github Bot
parent 34487c0591
commit 6d67e2dbbc
9 changed files with 154 additions and 55 deletions
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21
React/Modules/RCTUIManager.h
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@@ -15,27 +15,6 @@
#import <React/RCTRootView.h>
#import <React/RCTViewManager.h>
/**
* UIManager queue
*/
RCT_EXTERN dispatch_queue_t RCTGetUIManagerQueue(void);
/**
* Default name for the UIManager queue
*/
RCT_EXTERN char *const RCTUIManagerQueueName;
/**
* Check if we are currently on UIManager queue.
*/
RCT_EXTERN BOOL RCTIsUIManagerQueue(void);
/**
* Convenience macro for asserting that we're running on UIManager queue.
*/
#define RCTAssertUIManagerQueue() RCTAssert(RCTIsUIManagerQueue(), \
@"This function must be called on the UIManager queue")
/**
* Posted right before re-render happens. This is a chance for views to invalidate their state so
* next render cycle will pick up updated views and layout appropriately.

28
React/Modules/RCTUIManager.m
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@@ -36,6 +36,7 @@
#import "RCTShadowView+Internal.h"
#import "RCTShadowView.h"
#import "RCTUIManagerObserverCoordinator.h"
#import "RCTUIManagerUtils.h"
#import "RCTUtils.h"
#import "RCTView.h"
#import "RCTViewManager.h"
@@ -52,7 +53,6 @@ static void RCTTraverseViewNodes(id<RCTComponent> view, void (^block)(id<RCTComp
}
}
char *const RCTUIManagerQueueName = "com.facebook.react.ShadowQueue";
NSString *const RCTUIManagerWillUpdateViewsDueToContentSizeMultiplierChangeNotification = @"RCTUIManagerWillUpdateViewsDueToContentSizeMultiplierChangeNotification";
@implementation RCTUIManager
@@ -239,32 +239,6 @@ static NSDictionary *deviceOrientationEventBody(UIDeviceOrientation orientation)
}
#endif
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;
}
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;
}
- (dispatch_queue_t)methodQueue
{
return RCTGetUIManagerQueue();

49
React/Modules/RCTUIManagerUtils.h Normal file
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@@ -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.
*/
#import <UIKit/UIKit.h>
#import <React/RCTAssert.h>
#import <React/RCTDefines.h>
/**
* Returns UIManager queue.
*/
RCT_EXTERN dispatch_queue_t RCTGetUIManagerQueue(void);
/**
* Default name for the UIManager queue.
*/
RCT_EXTERN char *const RCTUIManagerQueueName;
/**
* Check if we are currently on UIManager queue.
*/
RCT_EXTERN BOOL RCTIsUIManagerQueue(void);
/**
* *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);
/**
* *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);
/**
* Convenience macro for asserting that we're running on UIManager queue.
*/
#define RCTAssertUIManagerQueue() RCTAssert(RCTIsUIManagerQueue(), \
@"This function must be called on the UIManager queue")

62
React/Modules/RCTUIManagerUtils.m Normal file
View File

@@ -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.
*/
#import "RCTUIManagerUtils.h"
#import "RCTAssert.h"
char *const RCTUIManagerQueueName = "com.facebook.react.ShadowQueue";
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;
}
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;
}
void RCTExecuteOnUIManagerQueue(dispatch_block_t block)
{
if (RCTIsUIManagerQueue()) {
block();
} else {
dispatch_async(RCTGetUIManagerQueue(), ^{
block();
});
}
}
void RCTUnsafeExecuteOnUIManagerQueueSync(dispatch_block_t block)
{
if (RCTIsUIManagerQueue()) {
block();
} else {
dispatch_sync(RCTGetUIManagerQueue(), ^{
block();
});
}
}