334 lines
15 KiB
Objective-C
334 lines
15 KiB
Objective-C
//
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// KBSkinManager.m
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//
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#import "KBSkinManager.h"
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#import <Security/Security.h>
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#import "KBConfig.h"
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NSString * const KBSkinDidChangeNotification = @"KBSkinDidChangeNotification";
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NSString * const KBDarwinSkinChanged = @"com.loveKey.nyx.skin.changed";
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static NSString * const kKBSkinService = @"com.loveKey.nyx.skin"; // Keychain service
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static NSString * const kKBSkinAccount = @"current"; // Keychain account
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@implementation KBSkinTheme
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+ (BOOL)supportsSecureCoding { return YES; }
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- (void)encodeWithCoder:(NSCoder *)coder {
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[coder encodeObject:self.skinId forKey:@"skinId"];
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[coder encodeObject:self.name forKey:@"name"];
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[coder encodeObject:self.keyboardBackground forKey:@"keyboardBackground"];
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[coder encodeObject:self.keyBackground forKey:@"keyBackground"];
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[coder encodeObject:self.keyTextColor forKey:@"keyTextColor"];
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[coder encodeObject:self.keyHighlightBackground forKey:@"keyHighlightBackground"];
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[coder encodeObject:self.accentColor forKey:@"accentColor"];
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if (self.backgroundImageData) {
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[coder encodeObject:self.backgroundImageData forKey:@"backgroundImageData"];
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}
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if (self.hiddenKeyTextIdentifiers.count > 0) {
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[coder encodeObject:self.hiddenKeyTextIdentifiers forKey:@"hiddenKeyTextIdentifiers"];
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}
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if (self.keyIconMap.count > 0) {
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[coder encodeObject:self.keyIconMap forKey:@"keyIconMap"];
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}
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}
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- (instancetype)initWithCoder:(NSCoder *)coder {
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if (self = [super init]) {
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_skinId = [coder decodeObjectOfClass:NSString.class forKey:@"skinId"] ?: @"default";
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_name = [coder decodeObjectOfClass:NSString.class forKey:@"name"] ?: @"Default";
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_keyboardBackground = [coder decodeObjectOfClass:UIColor.class forKey:@"keyboardBackground"] ?: [UIColor colorWithWhite:0.95 alpha:1.0];
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_keyBackground = [coder decodeObjectOfClass:UIColor.class forKey:@"keyBackground"] ?: UIColor.whiteColor;
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_keyTextColor = [coder decodeObjectOfClass:UIColor.class forKey:@"keyTextColor"] ?: UIColor.blackColor;
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_keyHighlightBackground = [coder decodeObjectOfClass:UIColor.class forKey:@"keyHighlightBackground"] ?: [UIColor colorWithWhite:0.85 alpha:1.0];
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_accentColor = [coder decodeObjectOfClass:UIColor.class forKey:@"accentColor"] ?: [UIColor colorWithRed:0.77 green:0.93 blue:0.82 alpha:1.0];
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_backgroundImageData = [coder decodeObjectOfClass:NSData.class forKey:@"backgroundImageData"];
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// 这两个字段是新增的，旧数据没有也没关系
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_hiddenKeyTextIdentifiers = [coder decodeObjectOfClass:NSArray.class forKey:@"hiddenKeyTextIdentifiers"];
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_keyIconMap = [coder decodeObjectOfClass:NSDictionary.class forKey:@"keyIconMap"];
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}
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return self;
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}
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@end
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@interface KBSkinManager ()
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@property (atomic, strong, readwrite) KBSkinTheme *current;
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@end
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@implementation KBSkinManager
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+ (instancetype)shared {
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static KBSkinManager *m; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ m = [KBSkinManager new]; });
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return m;
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}
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- (instancetype)init {
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if (self = [super init]) {
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_current = [self p_loadFromKeychain] ?: [self.class defaultTheme];
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// Observe Darwin notification for cross-process updates
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CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(),
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(__bridge const void *)(self),
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KBSkinDarwinCallback,
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(__bridge CFStringRef)KBDarwinSkinChanged,
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NULL,
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CFNotificationSuspensionBehaviorDeliverImmediately);
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}
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return self;
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}
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static void KBSkinDarwinCallback(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo) {
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KBSkinManager *self = (__bridge KBSkinManager *)observer;
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[self p_reloadFromKeychainAndBroadcast:YES];
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}
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- (void)dealloc {
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CFNotificationCenterRemoveObserver(CFNotificationCenterGetDarwinNotifyCenter(), (__bridge const void *)(self), (__bridge CFStringRef)KBDarwinSkinChanged, NULL);
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}
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#pragma mark - Public
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- (BOOL)applyThemeFromJSON:(NSDictionary *)json {
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if (json.count == 0) return NO;
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KBSkinTheme *t = [KBSkinTheme new];
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t.skinId = [json[@"id"] isKindOfClass:NSString.class] ? json[@"id"] : @"custom";
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t.name = [json[@"name"] isKindOfClass:NSString.class] ? json[@"name"] : t.skinId;
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t.keyboardBackground = [self.class colorFromHexString:json[@"background"] defaultColor:[self.class defaultTheme].keyboardBackground];
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t.keyBackground = [self.class colorFromHexString:json[@"key_bg"] defaultColor:[self.class defaultTheme].keyBackground];
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t.keyTextColor = [self.class colorFromHexString:json[@"key_text"] defaultColor:[self.class defaultTheme].keyTextColor];
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t.keyHighlightBackground = [self.class colorFromHexString:json[@"key_highlight"] defaultColor:[self.class defaultTheme].keyHighlightBackground];
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t.accentColor = [self.class colorFromHexString:json[@"accent"] defaultColor:[self.class defaultTheme].accentColor];
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// 可选：hidden_keys 为需要隐藏文本的按键标识数组
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id hidden = json[@"hidden_keys"];
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if ([hidden isKindOfClass:NSArray.class]) {
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t.hiddenKeyTextIdentifiers = hidden;
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}
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// 可选：key_icons 为 按键标识 -> 图标名/文件名 的字典
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id icons = json[@"key_icons"];
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if ([icons isKindOfClass:NSDictionary.class]) {
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t.keyIconMap = icons;
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}
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return [self applyTheme:t];
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}
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- (BOOL)applyTheme:(KBSkinTheme *)theme {
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if (!theme) return NO;
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if ([self p_saveToKeychain:theme]) {
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self.current = theme;
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[[NSNotificationCenter defaultCenter] postNotificationName:KBSkinDidChangeNotification object:nil];
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CFNotificationCenterPostNotification(CFNotificationCenterGetDarwinNotifyCenter(), (__bridge CFStringRef)KBDarwinSkinChanged, NULL, NULL, true);
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return YES;
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}
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return NO;
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}
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- (void)resetToDefault {
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[self applyTheme:[self.class defaultTheme]];
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}
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- (BOOL)applyImageSkinWithData:(NSData *)imageData skinId:(NSString *)skinId name:(NSString *)name {
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if (imageData.length == 0) return NO;
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// 构造新主题，继承当前配色作为按键/强调色的默认值
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KBSkinTheme *base = self.current ?: [self.class defaultTheme];
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KBSkinTheme *t = [KBSkinTheme new];
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t.skinId = skinId ?: @"image";
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t.name = name ?: t.skinId;
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t.keyboardBackground = base.keyboardBackground ?: [self.class defaultTheme].keyboardBackground;
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t.keyBackground = base.keyBackground ?: [self.class defaultTheme].keyBackground;
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t.keyTextColor = base.keyTextColor ?: [self.class defaultTheme].keyTextColor;
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t.keyHighlightBackground = base.keyHighlightBackground ?: [self.class defaultTheme].keyHighlightBackground;
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t.accentColor = base.accentColor ?: [self.class defaultTheme].accentColor;
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// 继承按键文本隐藏配置和图标映射，避免仅切换背景时丢失这些设置
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t.hiddenKeyTextIdentifiers = base.hiddenKeyTextIdentifiers;
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t.keyIconMap = base.keyIconMap;
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t.backgroundImageData = imageData;
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return [self applyTheme:t];
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}
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- (UIImage *)currentBackgroundImage {
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NSData *d = self.current.backgroundImageData;
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if (d.length == 0) return nil;
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return [UIImage imageWithData:d scale:[UIScreen mainScreen].scale] ?: nil;
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}
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- (BOOL)shouldHideKeyTextForIdentifier:(NSString *)identifier {
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if (identifier.length == 0) return NO;
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NSArray<NSString *> *list = self.current.hiddenKeyTextIdentifiers;
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if (list.count == 0) return NO;
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// 简单线性查找，数量有限足够；如需可改为 NSSet 缓存。
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for (NSString *s in list) {
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if ([s isKindOfClass:NSString.class] && [s isEqualToString:identifier]) {
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return YES;
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}
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}
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return NO;
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}
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- (NSString *)iconNameForKeyIdentifier:(NSString *)identifier {
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if (identifier.length == 0) return nil;
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NSDictionary<NSString *, NSString *> *map = self.current.keyIconMap;
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if (map.count == 0) return nil;
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NSString *name = map[identifier];
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if (![name isKindOfClass:NSString.class] || name.length == 0) return nil;
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return name;
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}
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- (UIImage *)iconImageForKeyIdentifier:(NSString *)identifier {
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return [self iconImageForKeyIdentifier:identifier caseVariant:0];
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}
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- (UIImage *)iconImageForKeyIdentifier:(NSString *)identifier caseVariant:(NSInteger)caseVariant {
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NSDictionary<NSString *, NSString *> *map = self.current.keyIconMap;
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NSString *value = nil;
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if (identifier.length > 0 && map.count > 0) {
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// 1) 大小写变体优先：letter_q_upper / letter_q_lower
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if (caseVariant == 2) { // upper
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NSString *keyUpper = [identifier stringByAppendingString:@"_upper"];
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NSString *candidate = map[keyUpper];
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if ([candidate isKindOfClass:NSString.class] && candidate.length > 0) {
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value = candidate;
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}
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} else if (caseVariant == 1) { // lower
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NSString *keyLower = [identifier stringByAppendingString:@"_lower"];
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NSString *candidate = map[keyLower];
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if ([candidate isKindOfClass:NSString.class] && candidate.length > 0) {
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value = candidate;
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}
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}
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// 2) 若未配置大小写专用图标，则回退到基础 id（兼容旧数据：letter_q）
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if (value.length == 0) {
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NSString *candidate = map[identifier];
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if ([candidate isKindOfClass:NSString.class] && candidate.length > 0) {
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value = candidate;
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}
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}
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}
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// 若在 keyIconMap 中找到了 value，按约定加载
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if (value.length > 0) {
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if ([value containsString:@"/"]) {
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// 视为相对 App Group 根目录的文件路径
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NSURL *containerURL = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:AppGroup];
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if (!containerURL) return nil;
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NSString *fullPath = [[containerURL.path stringByAppendingPathComponent:value] stringByStandardizingPath];
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if (![[NSFileManager defaultManager] fileExistsAtPath:fullPath]) return nil;
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return [UIImage imageWithContentsOfFile:fullPath];
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}
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// 否则按本地 Assets 名称加载（兼容旧实现）
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return [UIImage imageNamed:value];
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}
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// 兜底：若 keyIconMap 中没有该键，则按照约定的命名规则直接从 App Group 读取：
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// Skins/<skinId>/icons/(identifier[_upper/_lower]).png
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NSString *skinId = self.current.skinId;
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if (skinId.length == 0 || identifier.length == 0) return nil;
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NSURL *containerURL = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:AppGroup];
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if (!containerURL) return nil;
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// 先尝试大小写后缀
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if (caseVariant == 2) {
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NSString *relativeUpper = [NSString stringWithFormat:@"Skins/%@/icons/%@_upper.png", skinId, identifier];
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NSString *fullUpper = [[containerURL.path stringByAppendingPathComponent:relativeUpper] stringByStandardizingPath];
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if ([[NSFileManager defaultManager] fileExistsAtPath:fullUpper]) {
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return [UIImage imageWithContentsOfFile:fullUpper];
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}
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} else if (caseVariant == 1) {
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NSString *relativeLower = [NSString stringWithFormat:@"Skins/%@/icons/%@_lower.png", skinId, identifier];
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NSString *fullLower = [[containerURL.path stringByAppendingPathComponent:relativeLower] stringByStandardizingPath];
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if ([[NSFileManager defaultManager] fileExistsAtPath:fullLower]) {
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return [UIImage imageWithContentsOfFile:fullLower];
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}
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}
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// 最后回退到基础 id：Skins/<skinId>/icons/<identifier>.png
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NSString *relative = [NSString stringWithFormat:@"Skins/%@/icons/%@.png", skinId, identifier];
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NSString *fullPath = [[containerURL.path stringByAppendingPathComponent:relative] stringByStandardizingPath];
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if (![[NSFileManager defaultManager] fileExistsAtPath:fullPath]) return nil;
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return [UIImage imageWithContentsOfFile:fullPath];
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}
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+ (UIColor *)colorFromHexString:(NSString *)hex defaultColor:(UIColor *)fallback {
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if (![hex isKindOfClass:NSString.class] || hex.length == 0) return fallback;
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NSString *s = [[hex stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] lowercaseString];
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if ([s hasPrefix:@"#"]) s = [s substringFromIndex:1];
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unsigned long long v = 0; NSScanner *scanner = [NSScanner scannerWithString:s];
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if (![scanner scanHexLongLong:&v]) return fallback;
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if (s.length == 6) { // RRGGBB
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CGFloat r = ((v >> 16) & 0xFF) / 255.0;
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CGFloat g = ((v >> 8) & 0xFF) / 255.0;
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CGFloat b = (v & 0xFF) / 255.0;
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return [UIColor colorWithRed:r green:g blue:b alpha:1.0];
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} else if (s.length == 8) { // RRGGBBAA
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CGFloat r = ((v >> 24) & 0xFF) / 255.0;
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CGFloat g = ((v >> 16) & 0xFF) / 255.0;
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CGFloat b = ((v >> 8) & 0xFF) / 255.0;
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CGFloat a = (v & 0xFF) / 255.0;
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return [UIColor colorWithRed:r green:g blue:b alpha:a];
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}
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return fallback;
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}
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#pragma mark - Defaults
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+ (KBSkinTheme *)defaultTheme {
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KBSkinTheme *t = [KBSkinTheme new];
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t.skinId = @"default";
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t.name = @"Default";
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t.keyboardBackground = [UIColor colorWithWhite:0.95 alpha:1.0];
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t.keyBackground = UIColor.whiteColor;
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t.keyTextColor = UIColor.blackColor;
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t.keyHighlightBackground = [UIColor colorWithWhite:0.85 alpha:1.0];
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t.accentColor = [UIColor colorWithRed:0.77 green:0.93 blue:0.82 alpha:1.0];
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t.backgroundImageData = nil;
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return t;
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}
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#pragma mark - Keychain
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- (NSMutableDictionary *)baseKCQuery {
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NSMutableDictionary *q = [@{ (__bridge id)kSecClass: (__bridge id)kSecClassGenericPassword,
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(__bridge id)kSecAttrService: kKBSkinService,
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(__bridge id)kSecAttrAccount: kKBSkinAccount } mutableCopy];
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q[(__bridge id)kSecAttrAccessGroup] = KB_KEYCHAIN_ACCESS_GROUP;
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return q;
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}
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- (BOOL)p_saveToKeychain:(KBSkinTheme *)theme {
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NSError *err = nil;
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NSData *data = [NSKeyedArchiver archivedDataWithRootObject:theme requiringSecureCoding:YES error:&err];
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if (err || data.length == 0) return NO;
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NSMutableDictionary *q = [self baseKCQuery];
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SecItemDelete((__bridge CFDictionaryRef)q);
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q[(__bridge id)kSecValueData] = data;
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q[(__bridge id)kSecAttrAccessible] = (__bridge id)kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly;
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OSStatus st = SecItemAdd((__bridge CFDictionaryRef)q, NULL);
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return (st == errSecSuccess);
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}
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- (KBSkinTheme *)p_loadFromKeychain {
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NSMutableDictionary *q = [self baseKCQuery];
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q[(__bridge id)kSecReturnData] = @YES;
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q[(__bridge id)kSecMatchLimit] = (__bridge id)kSecMatchLimitOne;
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CFTypeRef dataRef = NULL; OSStatus st = SecItemCopyMatching((__bridge CFDictionaryRef)q, &dataRef);
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if (st != errSecSuccess || !dataRef) return nil;
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NSData *data = (__bridge_transfer NSData *)dataRef;
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if (data.length == 0) return nil;
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@try {
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KBSkinTheme *t = [NSKeyedUnarchiver unarchivedObjectOfClass:KBSkinTheme.class fromData:data error:NULL];
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return t;
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} @catch (__unused NSException *e) { return nil; }
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}
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- (void)p_reloadFromKeychainAndBroadcast:(BOOL)broadcast {
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KBSkinTheme *t = [self p_loadFromKeychain] ?: [self.class defaultTheme];
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self.current = t;
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if (broadcast) {
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[[NSNotificationCenter defaultCenter] postNotificationName:KBSkinDidChangeNotification object:nil];
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}
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}
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@end
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