- Optimization, bugfixes and refactoring

- Fixed crash when local watch history reaches 87 entries (now its capacity is 200)
- Added backward navigation to video page
- Improved authentication process
- Removed outdated logo from 'About' page and updated Twitter link

FoxTube/Pages/History.xaml.cs

@@ -14,7 +14,7 @@ namespace FoxTube.Pages
     /// <summary>
     /// YouTube history page
     /// </summary>
-    public sealed partial class History : Page, NavigationPage
+    public sealed partial class History : Page, INavigationPage
     {
         public object Parameter { get; set; } = null;
         int page = 1;
@@ -31,10 +31,12 @@ namespace FoxTube.Pages
             Parameter = e.Parameter;
 
             Initialize();
+            Methods.MainPage.PageContent.LoadingPage.Close();
         }
 
         public async void Initialize()
         {
+            Methods.MainPage.VideoContent.LoadingPage.Close();
             try
             {
                 loading.Refresh();
@@ -71,7 +73,7 @@ namespace FoxTube.Pages
 
         private void Refresh_Click(object sender, RoutedEventArgs e)
         {
-            Methods.MainPage.GoToHistory();
+            Methods.MainPage.VideoContent.Refresh();
         }
 
         private async void ShowMore_Clicked()
@@ -135,10 +137,10 @@ namespace FoxTube.Pages
                 {
                     websiteLoading.Error(e.GetType().ToString(), e.Message);
                     Analytics.TrackEvent("History loading error", new Dictionary<string, string>()
-                {
-                    { "Exception", e.GetType().ToString() },
-                    { "Message", e.Message }
-                });
+                    {
+                        { "Exception", e.GetType().ToString() },
+                        { "Message", e.Message }
+                    });
                 }
             });
         }
@@ -148,7 +150,7 @@ namespace FoxTube.Pages
             await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
             {
                 for (int k = 25 * webPage++; k < 25 * webPage && k < SecretsVault.History.Count; k++)
-                    websiteList.Add(new VideoCard(HistorySet.Items[k].Id, "HL"));
+                    websiteList.Add(new VideoCard(SecretsVault.History[k], "HL"));
 
                 if (websiteList.Count >= SecretsVault.History.Count)
                     websiteMore.Visibility = Visibility.Collapsed;