Projektdateien hinzufügen.

VideoBrowser/ViewModels/DownloadFlyoutViewModel.cs

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+namespace VideoBrowser.ViewModels
+{
+    using System;
+    using System.Collections.ObjectModel;
+    using System.Collections.Specialized;
+    using System.Windows.Input;
+    using VideoBrowser.Common;
+    using VideoBrowser.Controls.CefSharpBrowser.Models;
+    using VideoBrowser.Extensions;
+
+    /// <summary>
+    /// Defines the <see cref="DownloadFlyoutViewModel" />.
+    /// </summary>
+    public class DownloadFlyoutViewModel : NotifyPropertyChanged
+    {
+        #region Fields
+
+        private bool _isOpen;
+
+        private string _message;
+
+        #endregion Fields
+
+        #region Constructors
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DownloadFlyoutViewModel"/> class.
+        /// </summary>
+        /// <param name="models">The models<see cref="ObservableCollection{DownloadItemModel}"/>.</param>
+        internal DownloadFlyoutViewModel(ObservableCollection<DownloadItemModel> models)
+        {
+            this.DownloadItemModels = models;
+            this.DownloadItemModels.CollectionChanged += this.OnDownloadItemModels_CollectionChanged;
+            this.ShowDownloadTabCommand = new RelayCommand(this.OnShowDownloadTab, nameof(this.ShowDownloadTabCommand));
+        }
+
+        #endregion Constructors
+
+        #region Properties
+
+        /// <summary>
+        /// Gets or sets the DownloadItemModels.
+        /// </summary>
+        public ObservableCollection<DownloadItemModel> DownloadItemModels { get; internal set; }
+
+        /// <summary>
+        /// Gets or sets a value indicating whether IsOpen.
+        /// </summary>
+        public bool IsOpen { get => _isOpen; set => this.Set(this.PropertyChangedHandler, ref _isOpen, value); }
+
+        /// <summary>
+        /// Gets or sets the Message.
+        /// </summary>
+        public string Message { get => _message; internal set => this.Set(this.PropertyChangedHandler, ref _message, value); }
+
+        /// <summary>
+        /// Gets or sets the ShowDownloadTabAction.
+        /// </summary>
+        public Action ShowDownloadTabAction { get; set; }
+
+        /// <summary>
+        /// Gets the ShowDownloadTabCommand.
+        /// </summary>
+        public ICommand ShowDownloadTabCommand { get; }
+
+        #endregion Properties
+
+        #region Methods
+
+        /// <summary>
+        /// The OnDownloadItemModels_CollectionChanged.
+        /// </summary>
+        /// <param name="sender">The sender<see cref="object"/>.</param>
+        /// <param name="e">The e<see cref="NotifyCollectionChangedEventArgs"/>.</param>
+        private void OnDownloadItemModels_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
+        {
+            if (e.Action == NotifyCollectionChangedAction.Add)
+            {
+                this.IsOpen = true;
+            }
+        }
+
+        /// <summary>
+        /// The OnShowDownloadTab.
+        /// </summary>
+        /// <param name="obj">The obj<see cref="object"/>.</param>
+        private void OnShowDownloadTab(object obj)
+        {
+            this.ShowDownloadTabAction?.Invoke();
+        }
+
+        #endregion Methods
+    }
+}