FoxTube/FoxTube/Controls/MainFrame.xaml.cs

using System;
using Windows.UI.Xaml.Controls;

namespace FoxTube.Controls
{
    public sealed partial class MainFrame : UserControl
    {
        public static MainFrame Current { get; private set; }

        public event NavigatingOccured Navigating;
        public event NavigationOccured Navigated;

        public bool CanGoBack => !VideoMinimized || content.CanGoBack;
        public bool IsVideoOpened { get; } = false;
        public bool VideoMinimized => video.Width != double.NaN;
        public Type SourcePageType => content.SourcePageType;

        public MainFrame()
        {
            InitializeComponent();
            Current = this;
        }

        public void NavigateTo(Type pageType, object parameter = null)
        {
            if (content.SourcePageType == pageType && parameter == (content.FrameContent as INavigationPage).Parameter)
                return;

            content.Navigate(pageType, parameter);

            if (video.FrameContent != null && !VideoMinimized)
                MinimizeVideo();

            Navigating?.Invoke(pageType, parameter);
        }

        public void Refresh()
        {
            content.Refresh();
            Navigating?.Invoke(SourcePageType, (content.Content as ViewModel).Parameter);
        }

        #region Video control methods
        public void OpenVideo(string id, string playlistId = null, bool incognito = false)
        {
            /*if (VideoMinimized)
                MaximizeVideo();

            video.Navigate(typeof(VideoPage), (id, playlistId, incognito));

            MainPage.Current.UpdateView();*/
        }

        public void MinimizeVideo(bool player = false)
        {
            /*if (video.FrameContent == null)
                return;

            video.Margin = new Thickness(0, 0, 25, 50);
            video.HorizontalAlignment = HorizontalAlignment.Right;
            video.VerticalAlignment = VerticalAlignment.Bottom;
            video.Width = 432;

            if (!player)
                (video.FrameContent as VideoPage).Minimize();

            MainPage.Current.UpdateView();*/
        }

        public void MaximizeVideo(bool player = false)
        {
            /*if (video.FrameContent == null)
                return;

            video.Margin = new Thickness(0);
            video.VerticalAlignment = VerticalAlignment.Stretch;
            video.HorizontalAlignment = HorizontalAlignment.Stretch;
            video.Width = double.NaN;

            if (!player)
                (video.FrameContent as VideoPage).Maximize();

            MainPage.Current.UpdateView();*/
        }

        public void CloseVideo()
        {
            /*if (ApplicationView.GetForCurrentView().IsFullScreenMode)
                ApplicationView.GetForCurrentView().ExitFullScreenMode();

            video.FrameContent = null;
            video.ClearHistory();

            if (VideoMinimized)
                MaximizeVideo();

            GC.Collect();

            MainPage.Current.UpdateView();*/
        }

        public void RefreshVideo()
        {
            /*if (video.FrameContent == null)
                return;

            if (VideoMinimized)
                MaximizeVideo();

            video.Refresh();

            Methods.MainPage.UpdateView();*/
        }
        #endregion

        public void AuthorizationChanged(bool isAuthorized)
        {
            //TODO: Uncomment this
            /*switch (isAuthorized)
            {
                case true:
                    if (content.FrameContent == null)
                        NavigateTo(typeof(Home));
                    else if (!content.SourcePageType.Name.Belongs("Downloads", "Settings"))
                        content.Refresh();
                    break;

                case false:
                    NavigateTo(typeof(Home));

                    content.ClearHistory();
                    video.ClearHistory();
                    break;
            }

            RefreshVideo();*/
        }

        public void BackRequested()
        {
            if (video.FrameContent != null && !VideoMinimized)
            {
                if (video.CanGoBack)
                    video.GoBack();
                else if (video.State != LoadingScreenState.Loaded)
                    CloseVideo();
                else
                    MinimizeVideo();
            }
            else if (content.CanGoBack)
                content.GoBack();
        }

        void Content_Navigated(System.Collections.IList pivotCollection, int? selectedPivot) =>
            Navigated?.Invoke(pivotCollection, selectedPivot);
    }
}