(ded4a3e0a) v0.9.0.7

Libraries/MonoGame.Framework/Src/MonoGame.Framework/Input/MessageBox.WinRT.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Windows.ApplicationModel.Core;
+using Windows.Foundation;
+using Windows.UI.Core;
+using Windows.UI.Popups;
+
+namespace Microsoft.Xna.Framework.Input
+{
+    public static partial class MessageBox
+    {
+        private static readonly CoreDispatcher dispatcher;
+        private static TaskCompletionSource<int?> tcs;
+        private static IAsyncOperation<IUICommand> dialogResult; 
+
+        static MessageBox()
+        {
+            dispatcher = CoreApplication.MainView.CoreWindow.Dispatcher;
+        }
+
+        private static Task<int?> PlatformShow(string title, string description, List<string> buttons)
+        {
+            // TODO: MessageDialog only supports two buttons
+            if (buttons.Count == 3)
+                throw new NotSupportedException("This platform does not support three buttons");
+
+            tcs = new TaskCompletionSource<int?>();
+
+            MessageDialog dialog = new MessageDialog(description, title);
+            foreach (string button in buttons)
+                dialog.Commands.Add(new UICommand(button, null, dialog.Commands.Count));
+
+            dispatcher.RunAsync(CoreDispatcherPriority.Normal,
+                async () =>
+                {
+                    try
+                    {
+                        // PlatformSetResult will cancel the task, resulting in an exception
+                        dialogResult = dialog.ShowAsync();
+                        var result = await dialogResult;
+                        if (!tcs.Task.IsCompleted)
+                            tcs.SetResult(result == null ? null : (int?)result.Id);
+                    }
+                    catch (TaskCanceledException)
+                    {
+                        if (!tcs.Task.IsCompleted)
+                            tcs.SetResult(null);
+                    }
+                });
+
+            return tcs.Task;
+        }
+
+        private static void PlatformCancel(int? result)
+        {
+            // TODO: MessageDialog doesn't hide on Windows Phone 8.1
+            tcs.SetResult(result);
+            dialogResult.Cancel();
+        }
+    }
+}