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Pods/LookinServer/Src/Main/Shared/LookinAutoLayoutConstraint.h

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+#ifdef SHOULD_COMPILE_LOOKIN_SERVER 
+
+//
+//  LookinAutoLayoutConstraint.h
+//  Lookin
+//
+//  Created by Li Kai on 2019/9/28.
+//  https://lookin.work
+//
+
+
+
+#import "LookinDefines.h"
+
+@class LookinObject;
+
+typedef NS_ENUM(NSInteger, LookinConstraintItemType) {
+    LookinConstraintItemTypeUnknown,
+    LookinConstraintItemTypeNil,
+    LookinConstraintItemTypeView,
+    LookinConstraintItemTypeSelf,
+    LookinConstraintItemTypeSuper,
+    LookinConstraintItemTypeLayoutGuide
+};
+
+@interface LookinAutoLayoutConstraint : NSObject <NSSecureCoding>
+
+#if TARGET_OS_IPHONE
++ (instancetype)instanceFromNSConstraint:(NSLayoutConstraint *)constraint isEffective:(BOOL)isEffective firstItemType:(LookinConstraintItemType)firstItemType secondItemType:(LookinConstraintItemType)secondItemType;
+#endif
+
+@property(nonatomic, assign) BOOL effective;
+@property(nonatomic, assign) BOOL active;
+@property(nonatomic, assign) BOOL shouldBeArchived;
+@property(nonatomic, strong) LookinObject *firstItem;
+@property(nonatomic, assign) LookinConstraintItemType firstItemType;
+/// iOS 里的 NSLayoutAttribute，注意 iOS 和 macOS 虽然都有 NSLayoutAttribute 但是 value 非常不同，因此这里使用 NSInteger 避免混淆
+@property(nonatomic, assign) NSInteger firstAttribute;
+@property(nonatomic, assign) NSLayoutRelation relation;
+@property(nonatomic, strong) LookinObject *secondItem;
+@property(nonatomic, assign) LookinConstraintItemType secondItemType;
+/// iOS 里的 NSLayoutAttribute，注意 iOS 和 macOS 虽然都有 NSLayoutAttribute 但是 value 非常不同，因此这里使用 NSInteger 避免混淆
+@property(nonatomic, assign) NSInteger secondAttribute;
+@property(nonatomic, assign) CGFloat multiplier;
+@property(nonatomic, assign) CGFloat constant;
+@property(nonatomic, assign) CGFloat priority;
+@property(nonatomic, copy) NSString *identifier;
+
+@end
+
+#endif /* SHOULD_COMPILE_LOOKIN_SERVER */