Trim whitespace-only lines

Source/PermissionAlert.swift

@@ -25,55 +25,55 @@
 open class PermissionAlert {
     /// The permission.
     fileprivate let permission: Permission
-    
+
     /// The status of the permission.
     fileprivate var status: PermissionStatus { return permission.status }
-    
+
     /// The domain of the permission.
     fileprivate var type: PermissionType { return permission.type }
-    
+
     fileprivate var callbacks: Permission.Callback { return permission.callbacks }
-    
+
     /// The title of the alert.
     open var title: String?
-    
+
     /// Descriptive text that provides more details about the reason for the alert.
     open var message: String?
-    
+
     /// The title of the cancel action.
     open var cancel: String? {
         get { return cancelActionTitle }
         set { cancelActionTitle = newValue }
     }
-    
+
     /// The title of the settings action.
     open var settings: String? {
         get { return defaultActionTitle }
         set { defaultActionTitle = newValue }
     }
-    
+
     /// The title of the confirm action.
     open var confirm: String? {
         get { return defaultActionTitle }
         set { defaultActionTitle = newValue }
     }
-    
+
     fileprivate var cancelActionTitle: String?
     fileprivate var defaultActionTitle: String?
-    
+
     var controller: UIAlertController {
         let controller = UIAlertController(title: title, message: message, preferredStyle: .alert)
-        
+
         let action = UIAlertAction(title: cancelActionTitle, style: .cancel, handler: cancelHandler)
         controller.addAction(action)
-        
+
         return controller
     }
-    
+
     internal init(permission: Permission) {
         self.permission = permission
     }
-    
+
     internal func present() {
         DispatchQueue.main.async {
             UIApplication.shared.presentViewController(self.controller)
@@ -88,7 +88,7 @@ open class PermissionAlert {
 internal class DisabledAlert: PermissionAlert {
     override init(permission: Permission) {
         super.init(permission: permission)
-        
+
         title   = "\(permission) is currently disabled"
         message = "Please enable access to \(permission) in the Settings app."
         cancel  = "OK"
@@ -98,34 +98,34 @@ internal class DisabledAlert: PermissionAlert {
 internal class DeniedAlert: PermissionAlert {
     override var controller: UIAlertController {
         let controller = super.controller
-        
+
         let action = UIAlertAction(title: defaultActionTitle, style: .default, handler: settingsHandler)
         controller.addAction(action)
 
         if #available(iOS 9.0, *) {
             controller.preferredAction = action
         }
-        
+
         return controller
     }
-    
+
     override init(permission: Permission) {
         super.init(permission: permission)
-        
+
         title    = "Permission for \(permission) was denied"
         message  = "Please enable access to \(permission) in the Settings app."
         cancel   = "Cancel"
         settings = "Settings"
     }
-    
+
     @objc func settingsHandler() {
         NotificationCenter.default.removeObserver(self, name: UIApplication.didBecomeActiveNotification)
         callbacks(status)
     }
-    
+
     private func settingsHandler(_ action: UIAlertAction) {
         NotificationCenter.default.addObserver(self, selector: .settingsHandler, name: UIApplication.didBecomeActiveNotification)
-        
+
         if let URL = URL(string: UIApplication.openSettingsURLString) {
             UIApplication.shared.openURL(URL)
         }
@@ -135,26 +135,26 @@ internal class DeniedAlert: PermissionAlert {
 internal class PrePermissionAlert: PermissionAlert {
     override var controller: UIAlertController {
         let controller = super.controller
-        
+
         let action = UIAlertAction(title: defaultActionTitle, style: .default, handler: confirmHandler)
         controller.addAction(action)
 
         if #available(iOS 9.0, *) {
             controller.preferredAction = action
         }
-        
+
         return controller
     }
-    
+
     override init(permission: Permission) {
         super.init(permission: permission)
-        
+
         title   = "\(Bundle.main.name) would like to access your \(permission)"
         message = "Please enable access to \(permission)."
         cancel  = "Cancel"
         confirm = "Confirm"
     }
-    
+
     fileprivate func confirmHandler(_ action: UIAlertAction) {
         permission.requestAuthorization(callbacks)
     }