Implement spinning indicator when loading

Ruben2776 · May 9, 2023 · e90ad65 · e90ad65
1 parent 1efc016
commit e90ad65
Show file tree

Hide file tree

Showing 7 changed files with 31 additions and 13 deletions.
diff --git a/PicView/ChangeImage/LoadPic.cs b/PicView/ChangeImage/LoadPic.cs
@@ -4,8 +4,10 @@
 using PicView.UILogic;
 using System.Diagnostics;
 using System.IO;
+using System.Windows;
 using System.Windows.Input;
 using System.Windows.Threading;
+using PicView.UILogic.Loading;
 using static PicView.ChangeImage.ErrorHandling;
 using static PicView.ChangeImage.Navigation;
 using static PicView.ChangeTitlebar.SetTitle;
@@ -324,15 +326,8 @@ internal static async Task LoadPicAtIndexAsync(int index, FileInfo? fileInfo = n
     /// <param name="showLoading"></param>
     internal static void LoadingPreview(FileInfo fileInfo, bool showLoading = true)
     {
-        var isLogo = false;
         var thumb = Thumbnails.GetThumb(FolderIndex, fileInfo);
-        if (thumb is null)
-        {
-            thumb = ImageFunctions.ShowLogo() ?? ImageFunctions.ImageErrorMessage();
-            isLogo = true;
-        }
 
-        var bitmapSourceHolder = new Thumbnails.LogoOrThumbHolder(thumb, isLogo);
         ConfigureWindows.GetMainWindow.Dispatcher.Invoke(DispatcherPriority.Send, () =>
         {
             if (showLoading)
@@ -342,12 +337,9 @@ internal static void LoadingPreview(FileInfo fileInfo, bool showLoading = true)
             }
 
             ConfigureWindows.GetMainWindow.MainImage.Cursor = Cursors.Wait;
+            GetSpinWaiter.Visibility = Visibility.Visible;
 
-            ConfigureWindows.GetMainWindow.MainImage.Source = bitmapSourceHolder.Thumb;
-            // Set to logo size or don't allow image size to stretch the whole screen, fixes when opening new image from unloaded status
-            if (!bitmapSourceHolder.isLogo && !(XWidth < 1)) return;
-            ConfigureWindows.GetMainWindow.MainImage.Width = Thumbnails.LogoOrThumbHolder.Size;
-            ConfigureWindows.GetMainWindow.MainImage.Height = Thumbnails.LogoOrThumbHolder.Size;
+            ConfigureWindows.GetMainWindow.MainImage.Source = thumb;
         });
     }
 

diff --git a/PicView/ChangeImage/QuickLoad.cs b/PicView/ChangeImage/QuickLoad.cs
@@ -4,6 +4,7 @@
 using PicView.SystemIntegration;
 using PicView.UILogic;
 using System.IO;
+using System.Windows;
 using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Threading;
@@ -66,6 +67,14 @@ await ConfigureWindows.GetMainWindow.Dispatcher.InvokeAsync(() =>
                 ConfigureWindows.GetMainWindow.MainImage.Source = errorImage);
         }
 
+        await ConfigureWindows.GetMainWindow.Dispatcher.InvokeAsync(() =>
+        {
+            if (UC.GetSpinWaiter is { IsVisible: true })
+            {
+                UC.GetSpinWaiter.Visibility = Visibility.Collapsed;
+            }
+        });
+
         Pics = FileList(fileInfo);
         FolderIndex = Pics.IndexOf(fileInfo.FullName);
 

diff --git a/PicView/ChangeImage/UpdateImage.cs b/PicView/ChangeImage/UpdateImage.cs
@@ -44,6 +44,11 @@ await ConfigureWindows.GetMainWindow.Dispatcher.InvokeAsync(() =>
             {
                 ConfigureWindows.GetMainWindow.MainImage.Source = preLoadValue.BitmapSource;
             }
+
+            if (GetSpinWaiter is {IsVisible: true})
+            {
+                GetSpinWaiter.Visibility = Visibility.Collapsed;
+            }
         }, DispatcherPriority.Send);
 
         var titleString = TitleString(preLoadValue.BitmapSource.PixelWidth, preLoadValue.BitmapSource.PixelHeight,

diff --git a/PicView/UILogic/Loading/LoadControls.cs b/PicView/UILogic/Loading/LoadControls.cs
@@ -305,4 +305,10 @@ internal static void LoadQuickResize()
         Trace.WriteLine(nameof(GetQuickResize) + " loaded ");
 #endif
     }
+
+    internal static void LoadSpinWaiter()
+    {
+        GetSpinWaiter = new SpinWaiter();
+        ConfigureWindows.GetMainWindow.ParentContainer.Children.Add(GetSpinWaiter);
+    }
 }
diff --git a/PicView/UILogic/Loading/StartLoading.cs b/PicView/UILogic/Loading/StartLoading.cs
@@ -137,8 +137,8 @@ internal static void AddUiElementsAndUpdateValues()
         LoadImageSettingsMenu();
         LoadQuickSettingsMenu();
         LoadToolsAndEffectsMenu();
-        LoadAutoScrollSign();
         LoadTooltipStyle();
+        LoadSpinWaiter();
 
         // Initialize things!
         InitializeZoom();

diff --git a/PicView/UILogic/TransformImage/Scroll.cs b/PicView/UILogic/TransformImage/Scroll.cs
@@ -5,6 +5,7 @@
 using System.Windows.Controls;
 using System.Windows.Input;
 using System.Windows.Threading;
+using PicView.UILogic.Loading;
 using static PicView.UILogic.Sizing.ScaleImage;
 using static PicView.UILogic.Tooltip;
 using static PicView.UILogic.UC;
@@ -67,6 +68,10 @@ internal static void ShowAutoScrollSign()
         {
             return;
         }
+        if (GetAutoScrollSign is null)
+        {
+            LoadControls.LoadAutoScrollSign();
+        }
         Canvas.SetTop(GetAutoScrollSign, AutoScrollOrigin.Value.Y);
         Canvas.SetLeft(GetAutoScrollSign, AutoScrollOrigin.Value.X);
         GetAutoScrollSign.Visibility = Visibility.Visible;

diff --git a/PicView/UILogic/UC.cs b/PicView/UILogic/UC.cs
@@ -32,6 +32,7 @@ internal static class UC
     internal static ColorPicker? GetColorPicker { get; set; }
     internal static GripButton? GetGripButton { get; set; }
     internal static QuickResize? GetQuickResize { get; set; }
+    internal static SpinWaiter? GetSpinWaiter { get; set; }
 
     private static bool _imageSettingsMenuOpen;
     private static bool _fileMenuOpen;