0001    //  Copyright (c) 2016 Indragie Karunaratne. All rights reserved.
0002    //  Licensed under the MIT license, see LICENSE file for more info.
0003    
0004    #if os(OSX)
0005        import AppKit
0006        public typealias View
SwiftAutoLayout.swift:21
extension View: LayoutRegion {}
SwiftAutoLayout.swift:110
public extension View {
 = NSView
0007        public typealias LayoutPriority
SwiftAutoLayout.swift:151
public func ~(lhs: NSLayoutConstraint, rhs: LayoutPriority) -> NSLayoutConstraint {
 = NSLayoutPriority
0008        
0009        @available(OSX 10.11, *)
0010        public typealias LayoutGuide
SwiftAutoLayout.swift:24
extension LayoutGuide: LayoutRegion {}
 = NSLayoutGuide
0011    #elseif os(iOS) || os(tvOS)
0012        import UIKit
0013        public typealias View = UIView
0014        public typealias LayoutPriority = UILayoutPriority
0015        
0016        @available(iOS 9.0, *)
0017        public typealias LayoutGuide = UILayoutGuide
0018    #endif
0019    
0020    public protocol LayoutRegion
SwiftAutoLayout.swift:21
extension View: LayoutRegion {}
SwiftAutoLayout.swift:24
extension LayoutGuide: LayoutRegion {}
SwiftAutoLayout.swift:97
public extension LayoutRegion {
: AnyObject {}
0021    extension View: LayoutRegion {}
0022    
0023    @available(iOS 9.0, OSX 10.11, *)
0024    extension LayoutGuide: LayoutRegion {}
0025    
0026    public struct XAxis
SwiftAutoLayout.swift:98
    public var left: LayoutItem<XAxis> { return layoutItem(self, .Left) }
SwiftAutoLayout.swift:99
    public var right: LayoutItem<XAxis> { return layoutItem(self, .Right) }
SwiftAutoLayout.swift:102
    public var leading: LayoutItem<XAxis> { return layoutItem(self, .Leading) }
SwiftAutoLayout.swift:103
    public var trailing: LayoutItem<XAxis> { return layoutItem(self, .Trailing) }
SwiftAutoLayout.swift:106
    public var centerX: LayoutItem<XAxis> { return layoutItem(self, .CenterX) }
 {}
0027    public struct YAxis
SwiftAutoLayout.swift:100
    public var top: LayoutItem<YAxis> { return layoutItem(self, .Top) }
SwiftAutoLayout.swift:101
    public var bottom: LayoutItem<YAxis> { return layoutItem(self, .Bottom) }
SwiftAutoLayout.swift:107
    public var centerY: LayoutItem<YAxis> { return layoutItem(self, .CenterY) }
SwiftAutoLayout.swift:111
    public var baseline: LayoutItem<YAxis> { return layoutItem(self, .Baseline) }
SwiftAutoLayout.swift:114
    public var firstBaseline: LayoutItem<YAxis> { return layoutItem(self, .FirstBaseline) }
SwiftAutoLayout.swift:115
    public var lastBaseline: LayoutItem<YAxis> { return layoutItem(self, .LastBaseline) }
 {}
0028    public struct Dimension
SwiftAutoLayout.swift:73
public func ==(lhs: LayoutItem<Dimension>, rhs: CGFloat) -> NSLayoutConstraint {
SwiftAutoLayout.swift:81
public func >=(lhs: LayoutItem<Dimension>, rhs: CGFloat) -> NSLayoutConstraint {
SwiftAutoLayout.swift:89
public func <=(lhs: LayoutItem<Dimension>, rhs: CGFloat) -> NSLayoutConstraint {
SwiftAutoLayout.swift:104
    public var width: LayoutItem<Dimension> { return layoutItem(self, .Width) }
SwiftAutoLayout.swift:105
    public var height: LayoutItem<Dimension> { return layoutItem(self, .Height) }
 {}
0029    
0030    public struct LayoutItem
SwiftAutoLayout.swift:36
    private func constrain(secondItem: LayoutItem, relation: NSLayoutRelation) -> NSLayoutConstraint {
SwiftAutoLayout.swift:44
    private func itemWithMultiplier(multiplier: CGFloat) -> LayoutItem {
SwiftAutoLayout.swift:45
        return LayoutItem(item: self.item, attribute: self.attribute, multiplier: multiplier, constant: self.constant)
SwiftAutoLayout.swift:48
    private func itemWithConstant(constant: CGFloat) -> LayoutItem {
SwiftAutoLayout.swift:49
        return LayoutItem(item: self.item, attribute: self.attribute, multiplier: self.multiplier, constant: constant)
SwiftAutoLayout.swift:53
public func *<C>(lhs: LayoutItem<C>, rhs: CGFloat) -> LayoutItem<C> {
SwiftAutoLayout.swift:53
public func *<C>(lhs: LayoutItem<C>, rhs: CGFloat) -> LayoutItem<C> {
SwiftAutoLayout.swift:57
public func /<C>(lhs: LayoutItem<C>, rhs: CGFloat) -> LayoutItem<C> {
SwiftAutoLayout.swift:57
public func /<C>(lhs: LayoutItem<C>, rhs: CGFloat) -> LayoutItem<C> {
SwiftAutoLayout.swift:61
public func +<C>(lhs: LayoutItem<C>, rhs: CGFloat) -> LayoutItem<C> {
SwiftAutoLayout.swift:61
public func +<C>(lhs: LayoutItem<C>, rhs: CGFloat) -> LayoutItem<C> {
SwiftAutoLayout.swift:65
public func -<C>(lhs: LayoutItem<C>, rhs: CGFloat) -> LayoutItem<C> {
SwiftAutoLayout.swift:65
public func -<C>(lhs: LayoutItem<C>, rhs: CGFloat) -> LayoutItem<C> {
SwiftAutoLayout.swift:69
public func ==<C>(lhs: LayoutItem<C>, rhs: LayoutItem<C>) -> NSLayoutConstraint {
SwiftAutoLayout.swift:69
public func ==<C>(lhs: LayoutItem<C>, rhs: LayoutItem<C>) -> NSLayoutConstraint {
SwiftAutoLayout.swift:73
public func ==(lhs: LayoutItem<Dimension>, rhs: CGFloat) -> NSLayoutConstraint {
SwiftAutoLayout.swift:77
public func >=<C>(lhs: LayoutItem<C>, rhs: LayoutItem<C>) -> NSLayoutConstraint {
SwiftAutoLayout.swift:77
public func >=<C>(lhs: LayoutItem<C>, rhs: LayoutItem<C>) -> NSLayoutConstraint {
SwiftAutoLayout.swift:81
public func >=(lhs: LayoutItem<Dimension>, rhs: CGFloat) -> NSLayoutConstraint {
SwiftAutoLayout.swift:85
public func <=<C>(lhs: LayoutItem<C>, rhs: LayoutItem<C>) -> NSLayoutConstraint {
SwiftAutoLayout.swift:85
public func <=<C>(lhs: LayoutItem<C>, rhs: LayoutItem<C>) -> NSLayoutConstraint {
SwiftAutoLayout.swift:89
public func <=(lhs: LayoutItem<Dimension>, rhs: CGFloat) -> NSLayoutConstraint {
SwiftAutoLayout.swift:93
private func layoutItem<C>(item: AnyObject, _ attribute: NSLayoutAttribute) -> LayoutItem<C> {
SwiftAutoLayout.swift:94
    return LayoutItem(item: item, attribute: attribute, multiplier: 1.0, constant: 0.0)
SwiftAutoLayout.swift:98
    public var left: LayoutItem<XAxis> { return layoutItem(self, .Left) }
SwiftAutoLayout.swift:99
    public var right: LayoutItem<XAxis> { return layoutItem(self, .Right) }
SwiftAutoLayout.swift:100
    public var top: LayoutItem<YAxis> { return layoutItem(self, .Top) }
SwiftAutoLayout.swift:101
    public var bottom: LayoutItem<YAxis> { return layoutItem(self, .Bottom) }
SwiftAutoLayout.swift:102
    public var leading: LayoutItem<XAxis> { return layoutItem(self, .Leading) }
SwiftAutoLayout.swift:103
    public var trailing: LayoutItem<XAxis> { return layoutItem(self, .Trailing) }
SwiftAutoLayout.swift:104
    public var width: LayoutItem<Dimension> { return layoutItem(self, .Width) }
SwiftAutoLayout.swift:105
    public var height: LayoutItem<Dimension> { return layoutItem(self, .Height) }
SwiftAutoLayout.swift:106
    public var centerX: LayoutItem<XAxis> { return layoutItem(self, .CenterX) }
SwiftAutoLayout.swift:107
    public var centerY: LayoutItem<YAxis> { return layoutItem(self, .CenterY) }
SwiftAutoLayout.swift:111
    public var baseline: LayoutItem<YAxis> { return layoutItem(self, .Baseline) }
SwiftAutoLayout.swift:114
    public var firstBaseline: LayoutItem<YAxis> { return layoutItem(self, .FirstBaseline) }
SwiftAutoLayout.swift:115
    public var lastBaseline: LayoutItem<YAxis> { return layoutItem(self, .LastBaseline) }
<C> {
0031        public let item
SwiftAutoLayout.swift:37
        return NSLayoutConstraint(item: item, attribute: attribute, relatedBy: relation, toItem: secondItem.item, attribute: secondItem.attribute, multiplier: secondItem.multiplier, constant: secondItem.constant)
SwiftAutoLayout.swift:37
        return NSLayoutConstraint(item: item, attribute: attribute, relatedBy: relation, toItem: secondItem.item, attribute: secondItem.attribute, multiplier: secondItem.multiplier, constant: secondItem.constant)
SwiftAutoLayout.swift:41
        return NSLayoutConstraint(item: item, attribute: attribute, relatedBy: relation, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: constant)
SwiftAutoLayout.swift:45
        return LayoutItem(item: self.item, attribute: self.attribute, multiplier: multiplier, constant: self.constant)
SwiftAutoLayout.swift:49
        return LayoutItem(item: self.item, attribute: self.attribute, multiplier: self.multiplier, constant: constant)
: AnyObject
0032        public let attribute
SwiftAutoLayout.swift:37
        return NSLayoutConstraint(item: item, attribute: attribute, relatedBy: relation, toItem: secondItem.item, attribute: secondItem.attribute, multiplier: secondItem.multiplier, constant: secondItem.constant)
SwiftAutoLayout.swift:37
        return NSLayoutConstraint(item: item, attribute: attribute, relatedBy: relation, toItem: secondItem.item, attribute: secondItem.attribute, multiplier: secondItem.multiplier, constant: secondItem.constant)
SwiftAutoLayout.swift:41
        return NSLayoutConstraint(item: item, attribute: attribute, relatedBy: relation, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: constant)
SwiftAutoLayout.swift:45
        return LayoutItem(item: self.item, attribute: self.attribute, multiplier: multiplier, constant: self.constant)
SwiftAutoLayout.swift:49
        return LayoutItem(item: self.item, attribute: self.attribute, multiplier: self.multiplier, constant: constant)
: NSLayoutAttribute
0033        public let multiplier
SwiftAutoLayout.swift:37
        return NSLayoutConstraint(item: item, attribute: attribute, relatedBy: relation, toItem: secondItem.item, attribute: secondItem.attribute, multiplier: secondItem.multiplier, constant: secondItem.constant)
SwiftAutoLayout.swift:49
        return LayoutItem(item: self.item, attribute: self.attribute, multiplier: self.multiplier, constant: constant)
SwiftAutoLayout.swift:54
    return lhs.itemWithMultiplier(lhs.multiplier * rhs)
SwiftAutoLayout.swift:58
    return lhs.itemWithMultiplier(lhs.multiplier / rhs)
: CGFloat
0034        public let constant
SwiftAutoLayout.swift:37
        return NSLayoutConstraint(item: item, attribute: attribute, relatedBy: relation, toItem: secondItem.item, attribute: secondItem.attribute, multiplier: secondItem.multiplier, constant: secondItem.constant)
SwiftAutoLayout.swift:45
        return LayoutItem(item: self.item, attribute: self.attribute, multiplier: multiplier, constant: self.constant)
SwiftAutoLayout.swift:62
    return lhs.itemWithConstant(lhs.constant + rhs)
SwiftAutoLayout.swift:66
    return lhs.itemWithConstant(lhs.constant - rhs)
: CGFloat
0035        
0036        private func constrain
SwiftAutoLayout.swift:70
    return lhs.constrain(rhs, relation: .Equal)
SwiftAutoLayout.swift:78
    return lhs.constrain(rhs, relation: .GreaterThanOrEqual)
SwiftAutoLayout.swift:86
    return lhs.constrain(rhs, relation: .LessThanOrEqual)
(secondItem: LayoutItem, relation: NSLayoutRelation) -> NSLayoutConstraint {
0037            return NSLayoutConstraint(item: item, attribute: attribute, relatedBy: relation, toItem: secondItem.item, attribute: secondItem.attribute, multiplier: secondItem.multiplier, constant: secondItem.constant)
0038        }
0039        
0040        private func constrain
SwiftAutoLayout.swift:74
    return lhs.constrain(rhs, relation: .Equal)
SwiftAutoLayout.swift:82
    return lhs.constrain(rhs, relation: .GreaterThanOrEqual)
SwiftAutoLayout.swift:90
    return lhs.constrain(rhs, relation: .LessThanOrEqual)
(constant: CGFloat, relation: NSLayoutRelation) -> NSLayoutConstraint {
0041            return NSLayoutConstraint(item: item, attribute: attribute, relatedBy: relation, toItem: nil, attribute: .NotAnAttribute, multiplier: 1.0, constant: constant)
0042        }
0043        
0044        private func itemWithMultiplier
SwiftAutoLayout.swift:54
    return lhs.itemWithMultiplier(lhs.multiplier * rhs)
SwiftAutoLayout.swift:58
    return lhs.itemWithMultiplier(lhs.multiplier / rhs)
(multiplier: CGFloat) -> LayoutItem {
0045            return LayoutItem(item: self.item, attribute: self.attribute, multiplier: multiplier, constant: self.constant)
0046        }
0047        
0048        private func itemWithConstant
SwiftAutoLayout.swift:62
    return lhs.itemWithConstant(lhs.constant + rhs)
SwiftAutoLayout.swift:66
    return lhs.itemWithConstant(lhs.constant - rhs)
(constant: CGFloat) -> LayoutItem {
0049            return LayoutItem(item: self.item, attribute: self.attribute, multiplier: self.multiplier, constant: constant)
0050        }
0051    }
0052    
0053    public func *<C>(lhs: LayoutItem<C>, rhs: CGFloat) -> LayoutItem<C> {
0054        return lhs.itemWithMultiplier(lhs.multiplier * rhs)
0055    }
0056    
0057    public func /<C>(lhs: LayoutItem<C>, rhs: CGFloat) -> LayoutItem<C> {
0058        return lhs.itemWithMultiplier(lhs.multiplier / rhs)
0059    }
0060    
0061    public func +<C>(lhs: LayoutItem<C>, rhs: CGFloat) -> LayoutItem<C> {
0062        return lhs.itemWithConstant(lhs.constant + rhs)
0063    }
0064    
0065    public func -<C>(lhs: LayoutItem<C>, rhs: CGFloat) -> LayoutItem<C> {
0066        return lhs.itemWithConstant(lhs.constant - rhs)
0067    }
0068    
0069    public func ==<C>(lhs: LayoutItem<C>, rhs: LayoutItem<C>) -> NSLayoutConstraint {
0070        return lhs.constrain(rhs, relation: .Equal)
0071    }
0072    
0073    public func ==(lhs: LayoutItem<Dimension>, rhs: CGFloat) -> NSLayoutConstraint {
0074        return lhs.constrain(rhs, relation: .Equal)
0075    }
0076    
0077    public func >=<C>(lhs: LayoutItem<C>, rhs: LayoutItem<C>) -> NSLayoutConstraint {
0078        return lhs.constrain(rhs, relation: .GreaterThanOrEqual)
0079    }
0080    
0081    public func >=(lhs: LayoutItem<Dimension>, rhs: CGFloat) -> NSLayoutConstraint {
0082        return lhs.constrain(rhs, relation: .GreaterThanOrEqual)
0083    }
0084    
0085    public func <=<C>(lhs: LayoutItem<C>, rhs: LayoutItem<C>) -> NSLayoutConstraint {
0086        return lhs.constrain(rhs, relation: .LessThanOrEqual)
0087    }
0088    
0089    public func <=(lhs: LayoutItem<Dimension>, rhs: CGFloat) -> NSLayoutConstraint {
0090        return lhs.constrain(rhs, relation: .LessThanOrEqual)
0091    }
0092    
0093    private func layoutItem
SwiftAutoLayout.swift:98
    public var left: LayoutItem<XAxis> { return layoutItem(self, .Left) }
SwiftAutoLayout.swift:99
    public var right: LayoutItem<XAxis> { return layoutItem(self, .Right) }
SwiftAutoLayout.swift:100
    public var top: LayoutItem<YAxis> { return layoutItem(self, .Top) }
SwiftAutoLayout.swift:101
    public var bottom: LayoutItem<YAxis> { return layoutItem(self, .Bottom) }
SwiftAutoLayout.swift:102
    public var leading: LayoutItem<XAxis> { return layoutItem(self, .Leading) }
SwiftAutoLayout.swift:103
    public var trailing: LayoutItem<XAxis> { return layoutItem(self, .Trailing) }
SwiftAutoLayout.swift:104
    public var width: LayoutItem<Dimension> { return layoutItem(self, .Width) }
SwiftAutoLayout.swift:105
    public var height: LayoutItem<Dimension> { return layoutItem(self, .Height) }
SwiftAutoLayout.swift:106
    public var centerX: LayoutItem<XAxis> { return layoutItem(self, .CenterX) }
SwiftAutoLayout.swift:107
    public var centerY: LayoutItem<YAxis> { return layoutItem(self, .CenterY) }
SwiftAutoLayout.swift:111
    public var baseline: LayoutItem<YAxis> { return layoutItem(self, .Baseline) }
SwiftAutoLayout.swift:114
    public var firstBaseline: LayoutItem<YAxis> { return layoutItem(self, .FirstBaseline) }
SwiftAutoLayout.swift:115
    public var lastBaseline: LayoutItem<YAxis> { return layoutItem(self, .LastBaseline) }
<C>(item: AnyObject, _ attribute: NSLayoutAttribute) -> LayoutItem<C> {
0094        return LayoutItem(item: item, attribute: attribute, multiplier: 1.0, constant: 0.0)
0095    }
0096    
0097    public extension LayoutRegion {
0098        public var left: LayoutItem<XAxis> { return layoutItem(self, .Left) }
0099        public var right: LayoutItem<XAxis> { return layoutItem(self, .Right) }
0100        public var top: LayoutItem<YAxis> { return layoutItem(self, .Top) }
0101        public var bottom: LayoutItem<YAxis> { return layoutItem(self, .Bottom) }
0102        public var leading: LayoutItem<XAxis> { return layoutItem(self, .Leading) }
0103        public var trailing: LayoutItem<XAxis> { return layoutItem(self, .Trailing) }
0104        public var width: LayoutItem<Dimension> { return layoutItem(self, .Width) }
0105        public var height: LayoutItem<Dimension> { return layoutItem(self, .Height) }
0106        public var centerX: LayoutItem<XAxis> { return layoutItem(self, .CenterX) }
0107        public var centerY: LayoutItem<YAxis> { return layoutItem(self, .CenterY) }
0108    }
0109    
0110    public extension View {
0111        public var baseline: LayoutItem<YAxis> { return layoutItem(self, .Baseline) }
0112        
0113        @available(iOS 8.0, OSX 10.11, *)
0114        public var firstBaseline: LayoutItem<YAxis> { return layoutItem(self, .FirstBaseline) }
0115        public var lastBaseline: LayoutItem<YAxis> { return layoutItem(self, .LastBaseline) }
0116    }
0117    
0118    #if os(iOS) || os(tvOS)
0119    public extension UIViewController {
0120        public var topLayoutGuideTop: LayoutItem<YAxis> {
0121            return layoutItem(topLayoutGuide, .Top)
0122        }
0123        
0124        public var topLayoutGuideBottom: LayoutItem<YAxis> {
0125            return layoutItem(topLayoutGuide, .Bottom)
0126        }
0127        
0128        public var bottomLayoutGuideTop: LayoutItem<YAxis> {
0129            return layoutItem(bottomLayoutGuide, .Top)
0130        }
0131        
0132        public var bottomLayoutGuideBottom: LayoutItem<YAxis> {
0133            return layoutItem(bottomLayoutGuide, .Bottom)
0134        }
0135    }
0136        
0137    public extension UIView {
0138        public var leftMargin: LayoutItem<XAxis> { return layoutItem(self, .LeftMargin) }
0139        public var rightMargin: LayoutItem<XAxis> { return layoutItem(self, .RightMargin) }
0140        public var topMargin: LayoutItem<YAxis> { return layoutItem(self, .TopMargin) }
0141        public var bottomMargin: LayoutItem<YAxis> { return layoutItem(self, .BottomMargin) }
0142        public var leadingMargin: LayoutItem<XAxis> { return layoutItem(self, .LeadingMargin) }
0143        public var trailingMargin: LayoutItem<XAxis> { return layoutItem(self, .TrailingMargin) }
0144        public var centerXWithinMargins: LayoutItem<XAxis> { return layoutItem(self, .CenterXWithinMargins) }
0145        public var centerYWithinMargins: LayoutItem<YAxis> { return layoutItem(self, .CenterYWithinMargins) }
0146    }
0147    #endif
0148    
0149    infix operator ~ { associativity left precedence 120 }
0150    
0151    public func ~(lhs: NSLayoutConstraint, rhs: LayoutPriority) -> NSLayoutConstraint {
0152        let newConstraint = NSLayoutConstraint(item: lhs.firstItem, attribute: lhs.firstAttribute, relatedBy: lhs.relation, toItem: lhs.secondItem, attribute: lhs.secondAttribute, multiplier: lhs.multiplier, constant: lhs.constant)
0153        newConstraint.priority = rhs
0154        return newConstraint
0155    }
0156