Added support for view controller layout guides

SnapKit.xcodeproj/project.pbxproj

@@ -7,9 +7,10 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		EE4910981B19A26000A54F1F /* ViewController+SnapKit.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE4910971B19A26000A54F1F /* ViewController+SnapKit.swift */; };
+		EE4910991B19A40200A54F1F /* SnapKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EEBCC9D819CC627D0083B827 /* SnapKit.framework */; };
 		EE94F6091AC0F10A008767FF /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EE94F6081AC0F10A008767FF /* UIKit.framework */; };
 		EE94F60B1AC0F10F008767FF /* AppKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EE94F60A1AC0F10F008767FF /* AppKit.framework */; };
-		EE94F6101AC0F143008767FF /* SnapKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EEBCC9D819CC627D0083B827 /* SnapKit.framework */; };
 		EE94F6111AC0F146008767FF /* SnapKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EECDB37A1AC0C9D4006BBC11 /* SnapKit.framework */; };
 		EECDB36C1AC0C9A6006BBC11 /* Constraint.swift in Sources */ = {isa = PBXBuildFile; fileRef = EECDB35E1AC0C95C006BBC11 /* Constraint.swift */; };
 		EECDB36D1AC0C9A6006BBC11 /* ConstraintAttributes.swift in Sources */ = {isa = PBXBuildFile; fileRef = EECDB35F1AC0C95C006BBC11 /* ConstraintAttributes.swift */; };
@@ -50,6 +51,7 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
+		EE4910971B19A26000A54F1F /* ViewController+SnapKit.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "ViewController+SnapKit.swift"; sourceTree = "<group>"; };
 		EE94F6081AC0F10A008767FF /* UIKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UIKit.framework; path = System/Library/Frameworks/UIKit.framework; sourceTree = SDKROOT; };
 		EE94F60A1AC0F10F008767FF /* AppKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AppKit.framework; path = Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk/System/Library/Frameworks/AppKit.framework; sourceTree = DEVELOPER_DIR; };
 		EEBCC9D819CC627D0083B827 /* SnapKit.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = SnapKit.framework; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -86,7 +88,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				EE94F6101AC0F143008767FF /* SnapKit.framework in Frameworks */,
+				EE4910991B19A40200A54F1F /* SnapKit.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -147,6 +149,7 @@
 				EEFCF3311AD9432400A425FA /* ConstraintDescription.swift */,
 				EECDB3611AC0C95C006BBC11 /* ConstraintMaker.swift */,
 				EECDB3671AC0C95C006BBC11 /* View+SnapKit.swift */,
+				EE4910971B19A26000A54F1F /* ViewController+SnapKit.swift */,
 				EECDB3601AC0C95C006BBC11 /* ConstraintItem.swift */,
 				EECDB3631AC0C95C006BBC11 /* EdgeInsets.swift */,
 				EECDB3651AC0C95C006BBC11 /* LayoutConstraint.swift */,
@@ -357,6 +360,7 @@
 				EEFCF3321AD9432400A425FA /* ConstraintDescription.swift in Sources */,
 				EECDB3731AC0C9A6006BBC11 /* View+SnapKit.swift in Sources */,
 				EECDB3711AC0C9A6006BBC11 /* EdgeInsets.swift in Sources */,
+				EE4910981B19A26000A54F1F /* ViewController+SnapKit.swift in Sources */,
 				EECDB36F1AC0C9A6006BBC11 /* ConstraintMaker.swift in Sources */,
 				EECDB36D1AC0C9A6006BBC11 /* ConstraintAttributes.swift in Sources */,
 				EECDB3721AC0C9A6006BBC11 /* LayoutConstraint.swift in Sources */,

Source/ViewController+SnapKit.swift

@@ -0,0 +1,46 @@
+//
+//  SnapKit
+//
+//  Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+
+#if os(iOS)
+import UIKit
+public typealias ViewController = UIViewController
+
+/**
+    Used to expose public API on view controllers
+*/
+public extension UIViewController {
+    
+    /// top layout guide top
+    public var snp_topLayoutGuideTop: ConstraintItem { return ConstraintItem(object: self.topLayoutGuide, attributes: ConstraintAttributes.Top) }
+    
+    /// top layout guide bottom
+    public var snp_topLayoutGuideBottom: ConstraintItem { return ConstraintItem(object: self.topLayoutGuide, attributes: ConstraintAttributes.Bottom) }
+    
+    /// bottom layout guide top
+    public var snp_bottomLayoutGuideTop: ConstraintItem { return ConstraintItem(object: self.bottomLayoutGuide, attributes: ConstraintAttributes.Top) }
+    
+    /// bottom layout guide bottom
+    public var snp_bottomLayoutGuideBottom: ConstraintItem { return ConstraintItem(object: self.bottomLayoutGuide, attributes: ConstraintAttributes.Bottom) }
+    
+}
+#endif

Tests/Tests.swift

@@ -29,6 +29,22 @@ class SnapKitTests: XCTestCase {
         super.tearDown()
     }
     
+    func testLayoutGuideConstraints() {
+        #if os(iOS)
+        let vc = UIViewController()
+        vc.view = UIView(frame: CGRectMake(0, 0, 300, 300))
+        
+        vc.view.addSubview(self.container)
+        
+        self.container.snp_makeConstraints { (make) -> Void in
+            make.top.equalTo(vc.snp_topLayoutGuideBottom)
+            make.bottom.equalTo(vc.snp_bottomLayoutGuideTop)
+        }
+        
+        XCTAssertEqual(vc.view.snp_constraints.count, 6, "Should have 6 constraints installed")
+        #endif
+    }
+    
     func testMakeConstraints() {
         let v1 = View()
         let v2 = View()