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VideoBrowser/ViewModels/MainWindowViewModel.cs

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+namespace VideoBrowser.ViewModels
+{
+    using Dragablz;
+    using System;
+    using System.Linq;
+    using System.Windows;
+    using System.Windows.Input;
+    using VideoBrowser.Common;
+    using VideoBrowser.Controls.CefSharpBrowser;
+    using VideoBrowser.Controls.CefSharpBrowser.ViewModels;
+    using VideoBrowser.Core;
+    using VideoBrowser.Models;
+    using VideoBrowser.Views;
+
+    /// <summary>
+    /// Defines the <see cref="MainWindowViewModel" />.
+    /// </summary>
+    public class MainWindowViewModel : NotifyPropertyChanged
+    {
+        #region Constructors
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MainWindowViewModel"/> class.
+        /// </summary>
+        /// <param name="globalData">The globalData<see cref="GlobalData"/>.</param>
+        /// <param name="globalBrowserData">The globalBrowserData<see cref="GlobalBrowserData"/>.</param>
+        public MainWindowViewModel(GlobalBrowserData globalBrowserData)
+        {
+            this.ClosingCommand = new RelayCommand(this.OnClosing);
+            this.LoadedCommand = new RelayCommand(this.OnLoaded);
+            this.PressEscCommand = new RelayCommand(this.OnPressEsc);
+            this.PressF2Command = new RelayCommand(this.OnPressF2);
+            this.About = new AboutViewModel();
+            var downloadItemModels = globalBrowserData.DownloadItemModels;
+            this.DownloadQueueViewModel = new DownloadQueueViewModel(downloadItemModels) { ShowMessageAsync = this.ShowMessageAsync };
+            this.DownloadFlyoutViewModel = new DownloadFlyoutViewModel(downloadItemModels) { ShowDownloadTabAction = this.ShowDownloadTabAction };
+            this.WebBrowserTabControlViewModel = new WebBrowserTabControlViewModel(globalBrowserData)
+            {
+                CreateBrowserFunc = this.CreateBrowser
+            };
+
+            this.Initialize();
+        }
+
+        #endregion Constructors
+
+        #region Properties
+
+        /// <summary>
+        /// Gets the About.
+        /// </summary>
+        public AboutViewModel About { get; }
+
+        /// <summary>
+        /// Gets the CefWindowData.
+        /// </summary>
+        public CefWindowData CefWindowData => this.WebBrowserTabControlViewModel.CefWindowData;
+
+        /// <summary>
+        /// Gets the ClosingCommand.
+        /// </summary>
+        public RelayCommand ClosingCommand { get; }
+
+        /// <summary>
+        /// Gets the DownloadFlyoutViewModel.
+        /// </summary>
+        public DownloadFlyoutViewModel DownloadFlyoutViewModel { get; }
+
+        /// <summary>
+        /// Gets the DownloadQueueViewModel.
+        /// </summary>
+        public DownloadQueueViewModel DownloadQueueViewModel { get; }
+
+        /// <summary>
+        /// Gets the GlobalBrowserData.
+        /// </summary>
+        public GlobalBrowserData GlobalBrowserData => this.WebBrowserTabControlViewModel.GlobalBrowserData;
+
+        /// <summary>
+        /// Gets the LoadedCommand.
+        /// </summary>
+        public ICommand LoadedCommand { get; }
+
+        /// <summary>
+        /// Gets the PressEscCommand.
+        /// </summary>
+        public ICommand PressEscCommand { get; }
+
+        /// <summary>
+        /// Gets the PressF2Command.
+        /// </summary>
+        public ICommand PressF2Command { get; }
+
+        /// <summary>
+        /// Gets the Settings.
+        /// </summary>
+        public SettingsViewModel Settings => this.GlobalBrowserData.Settings;
+
+        /// <summary>
+        /// Gets the Title.
+        /// </summary>
+        public string Title => $"{AppEnvironment.Name}";
+
+        /// <summary>
+        /// Gets the WebBrowserTabControlViewModel.
+        /// </summary>
+        public WebBrowserTabControlViewModel WebBrowserTabControlViewModel { get; }
+
+        /// <summary>
+        /// Gets the DownloadAction.
+        /// </summary>
+        private Action<Operation> DownloadAction => this.DownloadQueueViewModel.Download;
+
+        #endregion Properties
+
+        #region Methods
+
+        /// <summary>
+        /// The CreateBrowser.
+        /// </summary>
+        /// <returns>The <see cref="HeaderedItemViewModel"/>.</returns>
+        internal TabItem CreateBrowser()
+        {
+            var model = new WebBrowserHeaderedItemViewModel(this.GlobalBrowserData, this.CefWindowData, this.DownloadAction);
+            return model;
+        }
+
+        /// <summary>
+        /// The Dispose.
+        /// </summary>
+        private void Dispose()
+        {
+            this.WebBrowserTabControlViewModel.Dispose();
+            var viewModels = this.GlobalBrowserData.WindowViewModels;
+            if (viewModels.Contains(this))
+            {
+                viewModels.Remove(this);
+            }
+
+            if (!viewModels.Any())
+            {
+                this.GlobalBrowserData.Dispose();
+            }
+        }
+
+        /// <summary>
+        /// The Initialize.
+        /// </summary>
+        private void Initialize()
+        {
+            var args = AppEnvironment.Arguments;
+            var url = Properties.Settings.Default.LastUrl;
+            if (args != null && args.Any())
+            {
+                url = args.First();
+            }
+
+            if (this.WebBrowserTabControlViewModel.TabItems.Any())
+            {
+                var browser = this.WebBrowserTabControlViewModel.TabItems.First();
+                if (browser is WebBrowserHeaderedItemViewModel model)
+                {
+                    model.VideoBrowserViewModel.NavigateUrl = url;
+                }
+            }
+        }
+
+        /// <summary>
+        /// The OnClosing.
+        /// </summary>
+        /// <param name="obj">The obj<see cref="object"/>.</param>
+        private void OnClosing(object obj)
+        {
+            var (_, _, commandParameter) = (ValueTuple<object, EventArgs, object>)obj;
+            var window = (Window)commandParameter;
+            var settings = Properties.Settings.Default;
+            settings.WindowPosition = new Point(window.Left, window.Top);
+            settings.WindowWidth = window.ActualWidth;
+            settings.WindowHeight = window.Height;
+            settings.WindowState = window.WindowState;
+            settings.Save();
+            DownloadQueueHandler.Stop();
+            this.Dispose();
+        }
+
+        /// <summary>
+        /// The OnLoaded.
+        /// </summary>
+        /// <param name="obj">The obj<see cref="object"/>.</param>
+        private void OnLoaded(object obj)
+        {
+            var (_, _, commandParameter) = (ValueTuple<object, EventArgs, object>)obj;
+            var settings = Properties.Settings.Default;
+            var window = (MainWindow)commandParameter;
+            window.Left = settings.WindowPosition.X;
+            window.Top = settings.WindowPosition.Y;
+            window.Width = settings.WindowWidth;
+            window.Height = settings.WindowHeight;
+            window.WindowState = settings.WindowState;
+            this.CefWindowData.MainWindow = window;
+            DownloadQueueHandler.LimitDownloads = settings.ShowMaxSimDownloads;
+            DownloadQueueHandler.StartWatching(settings.MaxSimDownloads);
+        }
+
+        /// <summary>
+        /// The OnPressEsc.
+        /// </summary>
+        /// <param name="obj">The obj<see cref="object"/>.</param>
+        private void OnPressEsc(object obj)
+        {
+            // Leave full screen.
+            if (this.CefWindowData.IsFullScreen)
+            {
+                this.CefWindowData.IsFullScreenCommand.Execute(false);
+            }
+        }
+
+        /// <summary>
+        /// The OnPressF2.
+        /// </summary>
+        /// <param name="obj">The obj<see cref="object"/>.</param>
+        private void OnPressF2(object obj)
+        {
+            var window = this.CefWindowData.MainWindow;
+            window.Width = 1022;
+            window.Height = 900;
+        }
+
+        /// <summary>
+        /// The ShowDownloadTabAction.
+        /// </summary>
+        private void ShowDownloadTabAction()
+        {
+            var button = this.GlobalBrowserData.GetAddInButton(typeof(DownloadQueueButton));
+            button?.Command.Execute(this.WebBrowserTabControlViewModel);
+        }
+
+        /// <summary>
+        /// The ShowMessageAsync.
+        /// </summary>
+        /// <param name="title">The title<see cref="string"/>.</param>
+        /// <param name="message">The message<see cref="string"/>.</param>
+        private void ShowMessageAsync(string title, string message)
+        {
+            this.CefWindowData.ShowMessageAsync(title, message);
+        }
+
+        #endregion Methods
+    }
+}