From 71079c1fb973afc2498c65a33c3fd405b6fafc95 Mon Sep 17 00:00:00 2001
From: sbosse <sbosse@uni-bremen.de>
Date: Mon, 21 Jul 2025 23:31:39 +0200
Subject: [PATCH] Mon 21 Jul 22:43:21 CEST 2025

---
 .../src/wp/ContactPickerTask.cs               | 122 ++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 js/ui/cordova/plugins/cordova-plugin-contacts/src/wp/ContactPickerTask.cs

diff --git a/js/ui/cordova/plugins/cordova-plugin-contacts/src/wp/ContactPickerTask.cs b/js/ui/cordova/plugins/cordova-plugin-contacts/src/wp/ContactPickerTask.cs
new file mode 100644
index 0000000..b11170f
--- /dev/null
+++ b/js/ui/cordova/plugins/cordova-plugin-contacts/src/wp/ContactPickerTask.cs
@@ -0,0 +1,122 @@
+/*
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+*/
+
+namespace WPCordovaClassLib.Cordova.Commands
+{
+    using System;
+    using System.Windows;
+    using Microsoft.Phone.Controls;
+    using Microsoft.Phone.Tasks;
+    using Microsoft.Phone.UserData;
+
+    /// <summary>
+    /// Allows an application to pick contact. 
+    /// Use this to allow users to pick contact from your application.
+    /// </summary>
+    public class ContactPickerTask
+    {
+        /// <summary>
+        /// Occurs when a Pick task is completed.
+        /// </summary>
+        public event EventHandler<PickResult> Completed;
+
+        /// <summary>
+        /// Shows Contact pick application
+        /// </summary>
+        public void Show()
+        {
+            Deployment.Current.Dispatcher.BeginInvoke(() =>
+            {
+                var root = Application.Current.RootVisual as PhoneApplicationFrame;
+
+                string baseUrl = "/";
+
+                if (root != null)
+                {
+                    root.Navigated += this.OnNavigate;
+
+                    // dummy parameter is used to always open a fresh version
+                    root.Navigate(
+                        new Uri(
+                            baseUrl + "Plugins/cordova-plugin-contacts/ContactPicker.xaml?dummy="
+                            + Guid.NewGuid(),
+                            UriKind.Relative));
+                }
+            });
+        }
+
+        /// <summary>
+        /// Performs additional configuration of the picker application.
+        /// </summary>
+        /// <param name="sender">The source of the event.</param>
+        /// <param name="e">The <see cref="System.Windows.Navigation.NavigationEventArgs"/> instance containing the event data.</param>
+        private void OnNavigate(object sender, System.Windows.Navigation.NavigationEventArgs e)
+        {
+            if (!(e.Content is ContactPicker))
+            {
+                return;
+            }
+
+            var phoneApplicationFrame = Application.Current.RootVisual as PhoneApplicationFrame;
+            if (phoneApplicationFrame != null)
+            {
+                phoneApplicationFrame.Navigated -= this.OnNavigate;
+            }
+
+            ContactPicker contactPicker = (ContactPicker)e.Content;
+
+            if (contactPicker != null)
+            {
+                contactPicker.Completed += this.Completed;
+            }
+            else if (this.Completed != null)
+            {
+                this.Completed(this, new PickResult(TaskResult.Cancel));
+            }
+        }
+
+        /// <summary>
+        /// Represents contact returned
+        /// </summary>
+        public class PickResult : TaskEventArgs
+        {
+            /// <summary>
+            /// Initializes a new instance of the PickResult class.
+            /// </summary>
+            public PickResult()
+            {
+            }
+
+            /// <summary>
+            /// Initializes a new instance of the PickResult class
+            /// with the specified Microsoft.Phone.Tasks.TaskResult.
+            /// </summary>
+            /// <param name="taskResult">Associated Microsoft.Phone.Tasks.TaskResult</param>
+            public PickResult(TaskResult taskResult)
+                : base(taskResult)
+            {
+            }
+
+            /// <summary>
+            ///  Gets the contact.
+            /// </summary>
+            public Contact Contact { get; internal set; }
+        }
+    }
+}