64 lines
1.9 KiB
Objective-C
64 lines
1.9 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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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 root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <Foundation/Foundation.h>
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#import "RCTI18nUtil.h"
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@implementation RCTI18nUtil
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+ (id)sharedInstance {
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static RCTI18nUtil *sharedRCTI18nUtilInstance = nil;
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@synchronized(self) {
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if (sharedRCTI18nUtilInstance == nil)
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sharedRCTI18nUtilInstance = [self new];
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}
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return sharedRCTI18nUtilInstance;
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}
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// If current using language is RTL language and meanwhile set allowRTL on the JS side,
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// the RN app will automatically have a RTL layout.
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- (BOOL)isRTL
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{
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if ([self allowRTL] && [self isApplicationPreferredLanguageRTL]) {
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return YES;
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}
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return NO;
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}
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- (BOOL)allowRTL
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{
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BOOL rtlStatus = [[NSUserDefaults standardUserDefaults]
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boolForKey:@"RCTI18nUtil_allowRTL"];
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return rtlStatus;
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}
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- (void)setAllowRTL:(BOOL)rtlStatus
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{
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[[NSUserDefaults standardUserDefaults] setBool:rtlStatus forKey:@"RCTI18nUtil_allowRTL"];
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[[NSUserDefaults standardUserDefaults] synchronize];
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}
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// Check if the current device language is RTL
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- (BOOL)isDevicePreferredLanguageRTL
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{
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NSLocaleLanguageDirection direction = [NSLocale characterDirectionForLanguage:[[NSLocale preferredLanguages] objectAtIndex:0]];
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return direction == NSLocaleLanguageDirectionRightToLeft;
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}
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// Check if the current application language is RTL
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- (BOOL)isApplicationPreferredLanguageRTL
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{
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NSString *preferredAppLanguage = [[[NSBundle mainBundle] preferredLocalizations] objectAtIndex:0];
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NSLocaleLanguageDirection direction = [NSLocale characterDirectionForLanguage:preferredAppLanguage];
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return direction == NSLocaleLanguageDirectionRightToLeft;
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}
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@end
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