添加键盘背景
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58
Shared/KBSkinManager.h
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58
Shared/KBSkinManager.h
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//
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// KBSkinManager.h
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// App & Keyboard Extension shared skin/theme manager.
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//
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// Stores a lightweight theme (colors, identifiers) to shared keychain so
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// both targets see the same current skin. Cross-process updates are delivered
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// via Darwin notification. Intended for immediate reflection in extension.
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//
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#import <Foundation/Foundation.h>
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#import <UIKit/UIKit.h>
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NS_ASSUME_NONNULL_BEGIN
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extern NSString * const KBSkinDidChangeNotification; // in-process
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extern NSString * const KBDarwinSkinChanged; // cross-process
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/// Simple theme model (colors only; assets can be added later via App Group)
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@interface KBSkinTheme : NSObject <NSSecureCoding>
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@property (nonatomic, copy) NSString *skinId; // e.g. "mint"
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@property (nonatomic, copy) NSString *name; // display name
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@property (nonatomic, strong) UIColor *keyboardBackground;
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@property (nonatomic, strong) UIColor *keyBackground;
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@property (nonatomic, strong) UIColor *keyTextColor;
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@property (nonatomic, strong) UIColor *keyHighlightBackground; // selected/highlighted
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@property (nonatomic, strong) UIColor *accentColor; // function view accents
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/// 可选：键盘背景图片的 PNG/JPEG 数据（若存在，优先显示图片）
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@property (nonatomic, strong, nullable) NSData *backgroundImageData;
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@end
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/// Shared skin manager (Keychain Sharing based)
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@interface KBSkinManager : NSObject
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+ (instancetype)shared;
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@property (atomic, strong, readonly) KBSkinTheme *current; // never nil (fallback to default)
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/// Save theme from JSON dictionary (keys: id, name, background, key_bg, key_text, key_highlight, accent)
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- (BOOL)applyThemeFromJSON:(NSDictionary *)json;
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/// Save explicit theme
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- (BOOL)applyTheme:(KBSkinTheme *)theme;
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/// Reset to default theme
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- (void)resetToDefault;
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/// 直接应用图片皮肤（使用 JPEG/PNG 数据）。建议大小 < 512KB。
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- (BOOL)applyImageSkinWithData:(NSData *)imageData skinId:(NSString *)skinId name:(NSString *)name;
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/// 当前背景图片（若存在）
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- (nullable UIImage *)currentBackgroundImage;
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/// Parse a hex color string like "#RRGGBB"/"#RRGGBBAA"
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+ (UIColor *)colorFromHexString:(NSString *)hex defaultColor:(UIColor *)fallback;
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@end
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NS_ASSUME_NONNULL_END
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214
Shared/KBSkinManager.m
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214
Shared/KBSkinManager.m
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//
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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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}
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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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}
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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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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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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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+ (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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