0001 // 0002 // SnapKit 0003 // 0004 // Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit 0005 // 0006 // Permission is hereby granted, free of charge, to any person obtaining a copy 0007 // of this software and associated documentation files (the "Software"), to deal 0008 // in the Software without restriction, including without limitation the rights 0009 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 0010 // copies of the Software, and to permit persons to whom the Software is 0011 // furnished to do so, subject to the following conditions: 0012 // 0013 // The above copyright notice and this permission notice shall be included in 0014 // all copies or substantial portions of the Software. 0015 // 0016 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 0017 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 0018 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 0019 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 0020 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 0021 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 0022 // THE SOFTWARE. 0023 0024 #if os(iOS) || os(tvOS) 0025 import UIKit 0026 0027 /** 0028 Used to expose public API on view controllers 0029 */ 0030 public extension UIViewController { 0031 0032 /// top layout guide top 0033 public var snp_topLayoutGuideTop: ConstraintItem { return ConstraintItem(object: self.topLayoutGuide, attributes: ConstraintAttributes.Top) } 0034 0035 /// top layout guide bottom 0036 public var snp_topLayoutGuideBottom: ConstraintItem { return ConstraintItem(object: self.topLayoutGuide, attributes: ConstraintAttributes.Bottom) } 0037 0038 /// bottom layout guide top 0039 public var snp_bottomLayoutGuideTop: ConstraintItem { return ConstraintItem(object: self.bottomLayoutGuide, attributes: ConstraintAttributes.Top) } 0040 0041 /// bottom layout guide bottom 0042 public var snp_bottomLayoutGuideBottom: ConstraintItem { return ConstraintItem(object: self.bottomLayoutGuide, attributes: ConstraintAttributes.Bottom) } 0043 0044 } 0045 #endif 0046