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CustomKeyboard/Model/KBKeyboardLayoutConfig.m

@@ -0,0 +1,187 @@
+//
+//  KBKeyboardLayoutConfig.m
+//  CustomKeyboard
+//
+
+#import "KBKeyboardLayoutConfig.h"
+#import <MJExtension/MJExtension.h>
+#import "KBConfig.h"
+
+static NSString * const kKBKeyboardLayoutConfigFileName = @"kb_keyboard_layout_config";
+
+@implementation KBKeyboardLayoutMetrics
+@end
+
+@implementation KBKeyboardLayoutFonts
+@end
+
+@implementation KBKeyboardKeyDef
+@end
+
+@implementation KBKeyboardRowItem
+
++ (NSDictionary *)mj_replacedKeyFromPropertyName {
+    return @{ @"itemId": @"id" };
+}
+
++ (NSArray<KBKeyboardRowItem *> *)itemsFromRawArray:(NSArray *)raw {
+    if (![raw isKindOfClass:[NSArray class]] || raw.count == 0) {
+        return @[];
+    }
+    NSMutableArray<KBKeyboardRowItem *> *items = [NSMutableArray arrayWithCapacity:raw.count];
+    for (id obj in raw) {
+        if ([obj isKindOfClass:[NSString class]]) {
+            KBKeyboardRowItem *item = [KBKeyboardRowItem new];
+            item.itemId = (NSString *)obj;
+            [items addObject:item];
+            continue;
+        }
+        if ([obj isKindOfClass:[NSDictionary class]]) {
+            KBKeyboardRowItem *item = [KBKeyboardRowItem mj_objectWithKeyValues:obj];
+            if (item.itemId.length == 0) {
+                NSString *fallback = ((NSDictionary *)obj)[@"id"];
+                if ([fallback isKindOfClass:[NSString class]]) {
+                    item.itemId = fallback;
+                }
+            }
+            if (item.itemId.length > 0) {
+                [items addObject:item];
+            }
+        }
+    }
+    return items.copy;
+}
+
+@end
+
+@implementation KBKeyboardRowSegments
+
+- (NSArray<KBKeyboardRowItem *> *)leftItems {
+    return [KBKeyboardRowItem itemsFromRawArray:self.left ?: @[]];
+}
+
+- (NSArray<KBKeyboardRowItem *> *)centerItems {
+    return [KBKeyboardRowItem itemsFromRawArray:self.center ?: @[]];
+}
+
+- (NSArray<KBKeyboardRowItem *> *)rightItems {
+    return [KBKeyboardRowItem itemsFromRawArray:self.right ?: @[]];
+}
+
+@end
+
+@implementation KBKeyboardRowConfig
+
+- (NSArray<KBKeyboardRowItem *> *)resolvedItems {
+    return [KBKeyboardRowItem itemsFromRawArray:self.items ?: @[]];
+}
+
+@end
+
+@implementation KBKeyboardLayout
+
++ (NSDictionary *)mj_objectClassInArray {
+    return @{ @"rows": [KBKeyboardRowConfig class] };
+}
+
+@end
+
+@implementation KBKeyboardLayoutConfig
+
++ (instancetype)sharedConfig {
+    static KBKeyboardLayoutConfig *config = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        NSString *path = [[NSBundle mainBundle] pathForResource:kKBKeyboardLayoutConfigFileName ofType:@"json"];
+        NSData *data = path.length ? [NSData dataWithContentsOfFile:path] : nil;
+        config = data ? [KBKeyboardLayoutConfig configFromJSONData:data] : nil;
+    });
+    return config;
+}
+
++ (instancetype)configFromJSONData:(NSData *)data {
+    if (data.length == 0) { return nil; }
+    NSError *error = nil;
+    id json = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
+    if (error || ![json isKindOfClass:[NSDictionary class]]) {
+        return nil;
+    }
+    NSDictionary *dict = (NSDictionary *)json;
+    KBKeyboardLayoutConfig *config = [KBKeyboardLayoutConfig mj_objectWithKeyValues:dict];
+
+    NSDictionary *keyDefsRaw = dict[@"keyDefs"];
+    if ([keyDefsRaw isKindOfClass:[NSDictionary class]]) {
+        NSMutableDictionary<NSString *, KBKeyboardKeyDef *> *defs = [NSMutableDictionary dictionaryWithCapacity:keyDefsRaw.count];
+        [keyDefsRaw enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
+            if (![key isKindOfClass:[NSString class]] || ![obj isKindOfClass:[NSDictionary class]]) {
+                return;
+            }
+            KBKeyboardKeyDef *def = [KBKeyboardKeyDef mj_objectWithKeyValues:obj];
+            if (def) {
+                defs[key] = def;
+            }
+        }];
+        config.keyDefs = defs.copy;
+    }
+
+    NSDictionary *layoutsRaw = dict[@"layouts"];
+    if ([layoutsRaw isKindOfClass:[NSDictionary class]]) {
+        NSMutableDictionary<NSString *, KBKeyboardLayout *> *layouts = [NSMutableDictionary dictionaryWithCapacity:layoutsRaw.count];
+        [layoutsRaw enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
+            if (![key isKindOfClass:[NSString class]] || ![obj isKindOfClass:[NSDictionary class]]) {
+                return;
+            }
+            KBKeyboardLayout *layout = [KBKeyboardLayout mj_objectWithKeyValues:obj];
+            if (layout) {
+                layouts[key] = layout;
+            }
+        }];
+        config.layouts = layouts.copy;
+    }
+
+    return config;
+}
+
+- (CGFloat)scaledValue:(CGFloat)designValue {
+    CGFloat baseWidth = (self.designWidth > 0.0) ? self.designWidth : KB_DESIGN_WIDTH;
+    CGFloat scale = KBScreenWidth() / baseWidth;
+    return designValue * scale;
+}
+
+- (CGFloat)keyboardAreaDesignHeight {
+    KBKeyboardLayout *layout = [self layoutForName:@"letters"] ?: self.layouts.allValues.firstObject;
+    NSUInteger rowCount = layout.rows.count;
+    if (rowCount == 0) { return 0.0; }
+
+    CGFloat rowSpacing = self.metrics.rowSpacing.doubleValue;
+    CGFloat topInset = self.metrics.topInset.doubleValue;
+    CGFloat bottomInset = self.metrics.bottomInset.doubleValue;
+
+    CGFloat total = topInset + bottomInset + rowSpacing * (rowCount - 1);
+    for (KBKeyboardRowConfig *row in layout.rows) {
+        CGFloat height = row.height.doubleValue;
+        if (height <= 0.0) {
+            height = self.metrics.keyHeight.doubleValue;
+        }
+        if (height <= 0.0) { height = 40.0; }
+        total += height;
+    }
+    return total;
+}
+
+- (CGFloat)keyboardAreaScaledHeight {
+    CGFloat designHeight = [self keyboardAreaDesignHeight];
+    return designHeight > 0.0 ? [self scaledValue:designHeight] : 0.0;
+}
+
+- (KBKeyboardLayout *)layoutForName:(NSString *)name {
+    if (name.length == 0) { return nil; }
+    return self.layouts[name];
+}
+
+- (KBKeyboardKeyDef *)keyDefForIdentifier:(NSString *)identifier {
+    if (identifier.length == 0) { return nil; }
+    return self.keyDefs[identifier];
+}
+
+@end