moved view controllers to core library for reuse

src/iOS.Core/Models/AppExtensionContext.cs

@@ -0,0 +1,47 @@
+using System;
+
+namespace Bit.iOS.Core.Models
+{
+    public class AppExtensionContext
+    {
+        private string _uriString;
+
+        public Uri Uri
+        {
+            get
+            {
+                Uri uri;
+                if(string.IsNullOrWhiteSpace(UrlString) || !Uri.TryCreate(UrlString, UriKind.Absolute, out uri))
+                {
+                    return null;
+                }
+
+                return uri;
+            }
+        }
+        public string UrlString
+        {
+            get
+            {
+                return _uriString;
+            }
+            set
+            {
+                _uriString = value;
+                if(_uriString != null && !_uriString.StartsWith(App.Constants.iOSAppProtocol) && _uriString.Contains("."))
+                {
+                    if(!_uriString.Contains("://") && !_uriString.Contains(" "))
+                    {
+                        _uriString = string.Concat("http://", _uriString);
+                    }
+                }
+
+                if(!_uriString.StartsWith("http") && !_uriString.StartsWith(App.Constants.iOSAppProtocol))
+                {
+                    _uriString = string.Concat(App.Constants.iOSAppProtocol, _uriString);
+                }
+            }
+        }
+        public PasswordGenerationOptions PasswordOptions { get; set; }
+    }
+}