Hash for checking upload/download, waiting screen

OpenSaveCloudClient/WaitingForm.cs

@@ -0,0 +1,42 @@
+using OpenSaveCloudClient.Core;
+using OpenSaveCloudClient.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace OpenSaveCloudClient
+{
+    public partial class WaitingForm : Form
+    {
+        private TaskManager taskManager;
+        bool busy = true;
+        public WaitingForm()
+        {
+            InitializeComponent();
+            taskManager = TaskManager.GetInstance();
+            taskManager.TaskChanged += OnTaskChanged;
+        }
+
+        private void WaitingForm_FormClosing(object sender, FormClosingEventArgs e)
+        {
+            e.Cancel = busy;
+        }
+
+        private void OnTaskChanged(object? sender, TaskChangedEventArgs e)
+        {
+            busy = (taskManager.TasksInformation.Count(ti => ti.Status == AsyncTaskStatus.Running) > 0);
+            if (!busy)
+            {
+                this.Invoke((MethodInvoker)delegate {
+                    Close();
+                });
+            }
+        }
+    }
+}