增加换肤功能

TUIKit/TUICore/TUIGlobalization.m

@@ -0,0 +1,176 @@
+//
+//  NSBundle+TUIKIT.m
+//  Pods
+//
+//  Created by harvy on 2020/10/9.
+//  Copyright © 2023 Tencent. All rights reserved.
+//
+
+#import "TUIGlobalization.h"
+#import <objc/runtime.h>
+#import "TUIDefine.h"
+
+@implementation TUIGlobalization
+
++ (void)load {
+    NSString *language = [TUIGlobalization getPreferredLanguage];
+    if([language hasPrefix:@"ar"]) {
+        [TUIGlobalization setRTLOption:YES];
+    }
+    else {
+        [TUIGlobalization setRTLOption:NO];
+    }
+}
+
+static NSString *gCustomLanguage = nil;
+static BOOL gRTLOption = NO;
+
++ (NSString *)getLocalizedStringForKey:(NSString *)key bundle:(NSString *)bundleName {
+    return [self getLocalizedStringForKey:key value:nil bundle:bundleName];
+}
+
++ (NSString *)getLocalizedStringForKey:(NSString *)key value:(nullable NSString *)value bundle:(nonnull NSString *)bundleName {
+    static NSMutableDictionary *bundleCache = nil;
+    if (bundleCache == nil) {
+        bundleCache = [NSMutableDictionary dictionary];
+    }
+    NSString *language = [self getPreferredLanguage];
+    language = [@"Localizable" stringByAppendingPathComponent:language];
+    NSString *cacheKey = [NSString stringWithFormat:@"%@_%@", bundleName, language];
+    NSBundle *bundle = [bundleCache objectForKey:cacheKey];
+    if (bundle == nil) {
+        bundle = [NSBundle bundleWithPath:[TUIKitLocalizable(bundleName) pathForResource:language ofType:@"lproj"]];
+        if (bundle) {
+            [bundleCache setObject:bundle forKey:cacheKey];
+        }
+    }
+    value = [bundle localizedStringForKey:key value:value table:nil];
+
+    // It's not necessary to query at main bundle, cause it's a long-time operation
+    // NSString *resultStr = [[NSBundle mainBundle] localizedStringForKey:key value:value table:nil];
+    return value ?: @"";
+}
+
++ (NSString *)getPreferredLanguage {
+    // Custom language in app
+    if (gCustomLanguage == nil) {
+        gCustomLanguage = [NSUserDefaults.standardUserDefaults objectForKey:TUICustomLanguageKey];
+    }
+    if (gCustomLanguage.length > 0) {
+        return gCustomLanguage;
+    }
+
+    // Follow system changes by default
+    NSString *language = [NSLocale preferredLanguages].firstObject;
+    if ([language hasPrefix:@"en"]) {
+        language = @"en";
+    } else if ([language hasPrefix:@"zh"]) {
+        if ([language rangeOfString:@"Hans"].location != NSNotFound) {
+            // Simplified Chinese
+            language = @"zh-Hans";
+        } else {
+            // Traditional Chinese
+            language = @"zh-Hant";
+        }
+    } else if ([language hasPrefix:@"ar"]) {
+        language = @"ar";
+    }
+    else {
+        language = @"en";
+    }
+
+    return language;
+}
+
++ (void)setPreferredLanguage:(NSString *)language {
+    gCustomLanguage = language;
+    [NSUserDefaults.standardUserDefaults setObject:language ?: @"" forKey:TUICustomLanguageKey];
+    [NSUserDefaults.standardUserDefaults synchronize];
+
+    dispatch_async(dispatch_get_main_queue(), ^{
+      [NSNotificationCenter.defaultCenter postNotificationName:TUIChangeLanguageNotification object:nil];
+    });
+}
+
++ (void)ignoreTraditionChinese:(BOOL)ignore {
+#ifdef DEBUG
+  NSAssert(false, @"traditional chinese is now supported by the TUIKit component, and the current API has been deprecated");
+#endif
+}
+
++ (void)setRTLOption:(BOOL)op {
+    gRTLOption = op;
+    [UIView appearance].semanticContentAttribute =  op?UISemanticContentAttributeForceRightToLeft:UISemanticContentAttributeForceLeftToRight;
+    [UISearchBar appearance].semanticContentAttribute = op?UISemanticContentAttributeForceRightToLeft:UISemanticContentAttributeForceLeftToRight;
+    [UICollectionView appearance].semanticContentAttribute = op?UISemanticContentAttributeForceRightToLeft:UISemanticContentAttributeForceLeftToRight;
+    [UISwitch appearance].semanticContentAttribute = op?UISemanticContentAttributeForceRightToLeft:UISemanticContentAttributeForceLeftToRight;
+    
+    [NSUserDefaults.standardUserDefaults setBool:op forKey:TUIKitGlobalizationRTLOptionKey];
+    [NSUserDefaults.standardUserDefaults synchronize];
+}
+
++ (BOOL)getRTLOption {
+    return gRTLOption;
+}
+
+#pragma mark - Deprecated
++ (NSString *)g_localizedStringForKey:(NSString *)key bundle:(nonnull NSString *)bundleName {
+    return [self getLocalizedStringForKey:key value:nil bundle:bundleName];
+}
+
++ (NSString *)tk_localizableLanguageKey {
+    return [self getPreferredLanguage];
+}
+
+@end
+
+@interface TUIBundle : NSBundle
+
+@end
+
+@implementation TUIBundle
+
+- (NSString *)localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)tableName {
+    if ([TUIBundle private_mainBundle]) {
+        return [[TUIBundle private_mainBundle] localizedStringForKey:key value:value table:tableName];
+    } else {
+        return [super localizedStringForKey:key value:value table:tableName];
+    }
+}
+
++ (NSBundle *)private_mainBundle {
+    static NSMutableDictionary *bundleCache;
+    if (bundleCache == nil) {
+        bundleCache = [NSMutableDictionary dictionary];
+    }
+    NSString *customLanguage = [TUIGlobalization getPreferredLanguage];
+    if (customLanguage.length) {
+        NSString *path = [[NSBundle mainBundle] pathForResource:customLanguage ofType:@"lproj"] ?: @"";
+        NSBundle *bundle = [bundleCache objectForKey:path];
+        if (bundle == nil) {
+            bundle = [NSBundle bundleWithPath:path];
+            if (bundle) {
+                [bundleCache setObject:bundle forKey:path];
+            }
+        }
+        return bundle;
+    }
+    return nil;
+}
+
+@end
+
+@interface NSBundle (Localization)
+
+@end
+
+@implementation NSBundle (Localization)
+
++ (void)load {
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+      object_setClass([NSBundle mainBundle], [TUIBundle class]);
+    });
+}
+
+@end