66 строки
2.3 KiB
Objective-C
66 строки
2.3 KiB
Objective-C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "RCTReloadCommand.h"
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#import "RCTAssert.h"
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#import "RCTKeyCommands.h"
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#import "RCTUtils.h"
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static NSHashTable<id<RCTReloadListener>> *listeners;
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static NSLock *listenersLock;
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static NSURL *bundleURL;
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NSString *const RCTTriggerReloadCommandNotification = @"RCTTriggerReloadCommandNotification";
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NSString *const RCTTriggerReloadCommandReasonKey = @"reason";
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NSString *const RCTTriggerReloadCommandBundleURLKey = @"bundleURL";
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void RCTRegisterReloadCommandListener(id<RCTReloadListener> listener)
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{
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if (!listenersLock) {
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listenersLock = [NSLock new];
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}
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[listenersLock lock];
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if (!listeners) {
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listeners = [NSHashTable weakObjectsHashTable];
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}
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#if RCT_DEV
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RCTAssertMainQueue(); // because registerKeyCommandWithInput: must be called on the main thread
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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[[RCTKeyCommands sharedInstance] registerKeyCommandWithInput:@"r"
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modifierFlags:UIKeyModifierCommand
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action:^(__unused UIKeyCommand *command) {
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RCTTriggerReloadCommandListeners(@"Command + R");
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}];
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});
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#endif
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[listeners addObject:listener];
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[listenersLock unlock];
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}
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void RCTTriggerReloadCommandListeners(NSString *reason)
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{
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[listenersLock lock];
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[[NSNotificationCenter defaultCenter] postNotificationName:RCTTriggerReloadCommandNotification
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object:nil
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userInfo:@{
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RCTTriggerReloadCommandReasonKey : RCTNullIfNil(reason),
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RCTTriggerReloadCommandBundleURLKey : RCTNullIfNil(bundleURL)
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}];
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for (id<RCTReloadListener> l in [listeners allObjects]) {
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[l didReceiveReloadCommand];
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}
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[listenersLock unlock];
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}
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void RCTReloadCommandSetBundleURL(NSURL *URL)
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{
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bundleURL = URL;
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}
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