370 lines
15 KiB
Objective-C
370 lines
15 KiB
Objective-C
//
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// KeyboardViewController+Theme.m
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// CustomKeyboard
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//
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// Created by Codex on 2026/02/22.
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//
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#import "KeyboardViewController+Private.h"
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#import "KBFunctionView.h"
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#import "KBKeyBoardMainView.h"
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#import "KBSkinInstallBridge.h"
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#import "KBSkinManager.h"
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#import "UIImage+KBColor.h"
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#import <QuartzCore/QuartzCore.h>
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static NSString *const kKBDefaultSkinIdLight = @"normal_them";
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static NSString *const kKBDefaultSkinZipNameLight = @"normal_them";
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static NSString *const kKBDefaultSkinIdDark = @"normal_hei_them";
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static NSString *const kKBDefaultSkinZipNameDark = @"normal_hei_them";
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// 提前声明一个类别，使编译器在 static 回调中识别 kb_consumePendingShopSkin 方法。
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@interface KeyboardViewController (KBSkinShopBridge)
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- (void)kb_consumePendingShopSkin;
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@end
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static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
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void *observer, CFStringRef name,
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const void *object,
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CFDictionaryRef userInfo) {
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KeyboardViewController *strongSelf =
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(__bridge KeyboardViewController *)observer;
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if (!strongSelf) {
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return;
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}
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dispatch_async(dispatch_get_main_queue(), ^{
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if ([strongSelf respondsToSelector:@selector(kb_consumePendingShopSkin)]) {
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[strongSelf kb_consumePendingShopSkin];
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}
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});
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}
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@implementation KeyboardViewController (Theme)
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- (void)kb_registerDarwinSkinInstallObserver {
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CFNotificationCenterAddObserver(
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CFNotificationCenterGetDarwinNotifyCenter(),
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(__bridge const void *)(self), KBSkinInstallNotificationCallback,
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(__bridge CFStringRef)KBDarwinSkinInstallRequestNotification, NULL,
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CFNotificationSuspensionBehaviorDeliverImmediately);
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}
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- (void)kb_unregisterDarwinSkinInstallObserver {
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CFNotificationCenterRemoveObserver(
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CFNotificationCenterGetDarwinNotifyCenter(),
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(__bridge const void *)(self),
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(__bridge CFStringRef)KBDarwinSkinInstallRequestNotification, NULL);
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}
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- (void)kb_applyTheme {
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@autoreleasepool {
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KBSkinTheme *t = [KBSkinManager shared].current;
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UIImage *img = nil;
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BOOL isDefaultTheme = [self kb_isDefaultKeyboardTheme:t];
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BOOL isDarkMode = [self kb_isDarkModeActive];
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NSString *skinId = t.skinId ?: @"";
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NSString *themeKey =
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[NSString stringWithFormat:@"%@|default=%d|dark=%d", skinId,
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isDefaultTheme, isDarkMode];
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BOOL themeChanged =
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(self.kb_lastAppliedThemeKey.length == 0 ||
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![self.kb_lastAppliedThemeKey isEqualToString:themeKey]);
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if (themeChanged) {
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self.kb_lastAppliedThemeKey = themeKey;
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}
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CGSize size = self.bgImageView.bounds.size;
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if (isDefaultTheme) {
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if (isDarkMode) {
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// 暗黑模式：直接使用背景色，不使用图片渲染
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// 这样可以避免图片渲染时的色彩空间转换导致颜色不一致
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img = nil;
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self.bgImageView.image = nil;
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[self.kb_defaultGradientLayer removeFromSuperlayer];
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self.kb_defaultGradientLayer = nil;
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// 使用与系统键盘底部完全相同的颜色
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if (@available(iOS 13.0, *)) {
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// iOS 系统键盘使用的实际颜色 (RGB: 44, 44, 46 in sRGB, 或 #2C2C2E)
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// 但为了完美匹配，我们使用动态颜色并直接设置为背景
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UIColor *kbBgColor =
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[UIColor colorWithDynamicProvider:^UIColor *_Nonnull(
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UITraitCollection *_Nonnull traitCollection) {
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if (traitCollection.userInterfaceStyle ==
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UIUserInterfaceStyleDark) {
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// 暗黑模式下系统键盘实际背景色
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return [UIColor colorWithRed:43.0 / 255.0
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green:43.0 / 255.0
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blue:43.0 / 255.0
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alpha:1.0];
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} else {
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return [UIColor colorWithRed:209.0 / 255.0
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green:211.0 / 255.0
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blue:219.0 / 255.0
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alpha:1.0];
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}
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}];
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self.contentView.backgroundColor = kbBgColor;
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self.bgImageView.backgroundColor = kbBgColor;
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} else {
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UIColor *darkColor = [UIColor colorWithRed:43.0 / 255.0
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green:43.0 / 255.0
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blue:43.0 / 255.0
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alpha:1.0];
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self.contentView.backgroundColor = darkColor;
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self.bgImageView.backgroundColor = darkColor;
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}
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} else {
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// 浅色模式：使用渐变层（避免生成大位图导致内存上涨）
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if (size.width <= 0 || size.height <= 0) {
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[self.view layoutIfNeeded];
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size = self.bgImageView.bounds.size;
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}
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if (size.width <= 0 || size.height <= 0) {
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size = self.view.bounds.size;
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}
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if (size.width <= 0 || size.height <= 0) {
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size = [UIScreen mainScreen].bounds.size;
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}
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UIColor *topColor = [UIColor colorWithHex:0xDEDFE4];
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UIColor *bottomColor = [UIColor colorWithHex:0xD1D3DB];
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UIColor *resolvedTopColor = topColor;
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UIColor *resolvedBottomColor = bottomColor;
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if (@available(iOS 13.0, *)) {
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resolvedTopColor =
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[topColor resolvedColorWithTraitCollection:self.traitCollection];
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resolvedBottomColor =
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[bottomColor resolvedColorWithTraitCollection:self.traitCollection];
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}
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CAGradientLayer *layer = self.kb_defaultGradientLayer;
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if (!layer) {
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layer = [CAGradientLayer layer];
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layer.startPoint = CGPointMake(0.5, 0.0);
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layer.endPoint = CGPointMake(0.5, 1.0);
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[self.bgImageView.layer insertSublayer:layer atIndex:0];
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self.kb_defaultGradientLayer = layer;
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}
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layer.colors =
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@[ (id)resolvedTopColor.CGColor, (id)resolvedBottomColor.CGColor ];
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layer.frame = (CGRect){CGPointZero, size};
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img = nil;
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self.bgImageView.image = nil;
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self.contentView.backgroundColor = [UIColor clearColor];
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self.bgImageView.backgroundColor = [UIColor clearColor];
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}
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NSLog(@"===");
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} else {
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// 自定义皮肤：清除背景色，使用皮肤图片
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self.contentView.backgroundColor = [UIColor clearColor];
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self.bgImageView.backgroundColor = [UIColor clearColor];
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[self.kb_defaultGradientLayer removeFromSuperlayer];
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self.kb_defaultGradientLayer = nil;
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img = [[KBSkinManager shared] currentBackgroundImage];
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}
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NSLog(@"⌨️[Keyboard] apply theme id=%@ hasBg=%d", t.skinId, (img != nil));
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[self kb_logSkinDiagnosticsWithTheme:t backgroundImage:img];
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self.bgImageView.image = img;
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// 皮肤资源可能被“重新下载”，即使 skinId 未变也需要刷新按键图标。
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if ([self.keyBoardMainView respondsToSelector:@selector(kb_applyTheme)]) {
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// method declared in KBKeyBoardMainView.h
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
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[self.keyBoardMainView performSelector:@selector(kb_applyTheme)];
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#pragma clang diagnostic pop
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}
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// 注意：这里不能直接访问 self.functionView，否则会导致功能面板提前创建，占用内存。
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KBFunctionView *functionView = [self kb_functionViewIfCreated];
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if (functionView &&
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[functionView respondsToSelector:@selector(kb_applyTheme)]) {
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
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[functionView performSelector:@selector(kb_applyTheme)];
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#pragma clang diagnostic pop
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}
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}
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}
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- (BOOL)kb_isDefaultKeyboardTheme:(KBSkinTheme *)theme {
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NSString *skinId = theme.skinId ?: @"";
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if (skinId.length == 0 || [skinId isEqualToString:@"default"]) {
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return YES;
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}
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if ([skinId isEqualToString:kKBDefaultSkinIdLight]) {
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return YES;
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}
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return [skinId isEqualToString:kKBDefaultSkinIdDark];
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}
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- (BOOL)kb_isDarkModeActive {
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if (@available(iOS 13.0, *)) {
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return self.traitCollection.userInterfaceStyle == UIUserInterfaceStyleDark;
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}
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return NO;
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}
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- (NSString *)kb_defaultSkinIdForCurrentStyle {
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return [self kb_isDarkModeActive] ? kKBDefaultSkinIdDark
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: kKBDefaultSkinIdLight;
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}
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- (NSString *)kb_defaultSkinZipNameForCurrentStyle {
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return [self kb_isDarkModeActive] ? kKBDefaultSkinZipNameDark
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: kKBDefaultSkinZipNameLight;
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}
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- (UIImage *)kb_defaultGradientImageWithSize:(CGSize)size
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topColor:(UIColor *)topColor
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bottomColor:(UIColor *)bottomColor {
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if (size.width <= 0 || size.height <= 0) {
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return nil;
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}
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// 尺寸未变则复用缓存，避免反复创建图片撑爆键盘扩展内存
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if (self.kb_cachedGradientImage &&
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CGSizeEqualToSize(self.kb_cachedGradientSize, size)) {
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return self.kb_cachedGradientImage;
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}
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UIColor *resolvedTopColor = topColor;
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UIColor *resolvedBottomColor = bottomColor;
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if (@available(iOS 13.0, *)) {
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resolvedTopColor =
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[topColor resolvedColorWithTraitCollection:self.traitCollection];
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resolvedBottomColor =
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[bottomColor resolvedColorWithTraitCollection:self.traitCollection];
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}
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CAGradientLayer *layer = [CAGradientLayer layer];
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layer.frame = CGRectMake(0, 0, size.width, size.height);
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layer.startPoint = CGPointMake(0.5, 0.0);
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layer.endPoint = CGPointMake(0.5, 1.0);
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layer.colors =
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@[ (id)resolvedTopColor.CGColor, (id)resolvedBottomColor.CGColor ];
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UIGraphicsBeginImageContextWithOptions(size, YES, 0);
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[layer renderInContext:UIGraphicsGetCurrentContext()];
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UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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self.kb_cachedGradientImage = image;
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self.kb_cachedGradientSize = size;
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return image;
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}
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- (void)kb_logSkinDiagnosticsWithTheme:(KBSkinTheme *)theme
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backgroundImage:(UIImage *)image {
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#if DEBUG
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NSString *skinId = theme.skinId ?: @"";
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NSString *name = theme.name ?: @"";
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NSMutableArray<NSString *> *roots = [NSMutableArray array];
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NSURL *containerURL = [[NSFileManager defaultManager]
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containerURLForSecurityApplicationGroupIdentifier:AppGroup];
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if (containerURL.path.length > 0) {
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[roots addObject:containerURL.path];
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}
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NSString *cacheRoot = NSSearchPathForDirectoriesInDomains(
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NSCachesDirectory, NSUserDomainMask, YES)
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.firstObject;
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if (cacheRoot.length > 0) {
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[roots addObject:cacheRoot];
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}
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NSFileManager *fm = [NSFileManager defaultManager];
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NSMutableArray<NSString *> *lines = [NSMutableArray array];
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for (NSString *root in roots) {
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NSString *iconsDir = [[root stringByAppendingPathComponent:@"Skins"]
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stringByAppendingPathComponent:skinId];
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iconsDir = [iconsDir stringByAppendingPathComponent:@"icons"];
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BOOL isDir = NO;
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BOOL exists = [fm fileExistsAtPath:iconsDir isDirectory:&isDir] && isDir;
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NSArray *contents =
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exists ? [fm contentsOfDirectoryAtPath:iconsDir error:nil] : nil;
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NSUInteger count = contents.count;
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BOOL hasQ =
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exists &&
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[fm fileExistsAtPath:[iconsDir
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stringByAppendingPathComponent:@"key_q.png"]];
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BOOL hasQUp =
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exists && [fm fileExistsAtPath:[iconsDir stringByAppendingPathComponent:
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@"key_q_up.png"]];
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BOOL hasDel =
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exists && [fm fileExistsAtPath:[iconsDir stringByAppendingPathComponent:
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@"key_del.png"]];
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BOOL hasShift =
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exists &&
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[fm fileExistsAtPath:[iconsDir
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stringByAppendingPathComponent:@"key_up.png"]];
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BOOL hasShiftUpper =
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exists && [fm fileExistsAtPath:[iconsDir stringByAppendingPathComponent:
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@"key_up_upper.png"]];
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NSString *line = [NSString
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stringWithFormat:@"root=%@ icons=%@ exist=%d count=%tu key_q=%d "
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@"key_q_up=%d key_del=%d key_up=%d key_up_upper=%d",
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root, iconsDir, exists, count, hasQ, hasQUp, hasDel,
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hasShift, hasShiftUpper];
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[lines addObject:line];
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}
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NSLog(@"[Keyboard] theme id=%@ name=%@ hasBg=%d\n%@", skinId, name,
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(image != nil), [lines componentsJoinedByString:@"\n"]);
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#endif
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}
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- (void)kb_consumePendingShopSkin {
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KBWeakSelf [KBSkinInstallBridge
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consumePendingRequestFromBundle:NSBundle.mainBundle
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completion:^(BOOL success,
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NSError *_Nullable error) {
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if (!success) {
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if (error) {
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NSLog(@"[Keyboard] skin request failed: %@",
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error);
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[KBHUD
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showInfo:
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KBLocalized(
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@"皮肤资源准备失败，请稍后再试")];
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}
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return;
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}
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[weakSelf kb_applyTheme];
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[KBHUD showInfo:KBLocalized(
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@"皮肤已更新，立即体验吧")];
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}];
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}
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- (void)kb_applyDefaultSkinIfNeeded {
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NSDictionary *pending = [KBSkinInstallBridge pendingRequestPayload];
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if (pending.count > 0) {
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return;
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}
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NSString *currentId = [KBSkinManager shared].current.skinId ?: @"";
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BOOL isDefault =
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(currentId.length == 0 || [currentId isEqualToString:@"default"]);
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BOOL isLightDefault = [currentId isEqualToString:kKBDefaultSkinIdLight];
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BOOL isDarkDefault = [currentId isEqualToString:kKBDefaultSkinIdDark];
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if (!isDefault && !isLightDefault && !isDarkDefault) {
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// 用户已应用自定义皮肤：不随深色模式切换默认皮肤
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return;
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}
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NSString *targetId = [self kb_defaultSkinIdForCurrentStyle];
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if (currentId.length > 0 && [currentId isEqualToString:targetId]) {
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return;
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}
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NSError *applyError = nil;
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if ([KBSkinInstallBridge applyInstalledSkinWithId:targetId error:&applyError]) {
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return;
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}
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// 默认皮肤 zip 仅由主 App 持有并解压。扩展侧不再尝试从自身 bundle 解压。
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// 若主 App 尚未安装对应默认皮肤，这里仅保留当前主题，避免“找不到 zip”报错。
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if (applyError) {
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NSLog(@"[Keyboard] default skin %@ not installed in AppGroup yet: %@",
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targetId, applyError);
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}
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}
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@end
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