Yizzho/peek/videos (#25983)

* Add basics of VideoPreviewer to build on

* WIP

* Minimal working code, todo next:dimension + MTC

* Nits

* Change back to GetImageSize as it indeed doesn't work with videos

* Add win32 helper methods to get video size; Refactor get size operation;

* Remove unused code

* Set VideoTask; Add message error for HR result;

* Add open read only for filestream

* Remove unused code

* Update expect.txt

* Remove comment

* Cleanup code

* Force pause videopreview on previewer change

---------

Co-authored-by: Jojo Zhou <yizzho@microsoft.com>
Co-authored-by: Yawen Hou <yawenhou@microsoft.com>
Co-authored-by: Clint Rutkas <clint@rutkas.com>
Co-authored-by: Yawen Hou <Sytta@users.noreply.github.com>
Co-authored-by: Samuel Chapleau 🌈 <sachaple@microsoft.com>

src/modules/peek/Peek.Common/Extensions/DispatcherExtensions.cs

@@ -33,5 +33,29 @@ namespace Peek.Common.Extensions
 
             return tcs.Task;
         }
+
+        /// <summary>
+        /// Run work on UI thread safely.
+        /// </summary>
+        /// <returns>True if the work was run successfully, False otherwise.</returns>
+        public static Task RunOnUiThread(this DispatcherQueue dispatcher, Action work)
+        {
+            var tcs = new TaskCompletionSource();
+            dispatcher.TryEnqueue(() =>
+            {
+                try
+                {
+                    work();
+
+                    tcs.SetResult();
+                }
+                catch (Exception e)
+                {
+                    tcs.SetException(e);
+                }
+            });
+
+            return tcs.Task;
+        }
     }
 }

src/modules/peek/Peek.Common/Extensions/IFileSystemItemExtensions.cs

@@ -8,6 +8,7 @@ using System.IO;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using System.Xml;
+using Peek.Common.Helpers;
 using Peek.Common.Models;
 using Scripting;
 using Windows.Foundation;
@@ -19,17 +20,12 @@ namespace Peek.Common.Extensions
     {
         public static Size? GetImageSize(this IFileSystemItem item)
         {
-            Size? size = null;
+            return PropertyStoreHelper.TryGetUintSizeProperty(item.Path, PropertyKey.ImageHorizontalSize, PropertyKey.ImageVerticalSize);
+        }
 
-            var width = item.Width;
-            var height = item.Height;
-
-            if (width != null && height != null)
-            {
-                size = new Size((int)width, (int)height);
-            }
-
-            return size;
+        public static Size? GetVideoSize(this IFileSystemItem item)
+        {
+            return PropertyStoreHelper.TryGetUintSizeProperty(item.Path, PropertyKey.FrameWidth, PropertyKey.FrameHeight);
         }
 
         public static Size? GetSvgSize(this IFileSystemItem item)

src/modules/peek/Peek.Common/Helpers/PropertyStoreHelper.cs

@@ -7,24 +7,13 @@ using System.Globalization;
 using System.Runtime.InteropServices;
 using Peek.Common.Extensions;
 using Peek.Common.Models;
+using Windows.Foundation;
 using Windows.Win32.UI.Shell.PropertiesSystem;
 
 namespace Peek.Common.Helpers
 {
     public static partial class PropertyStoreHelper
     {
-        /// <summary>
-        /// Gets a uint type value from PropertyStore from the given item.
-        /// </summary>
-        /// <param name="path">The file/folder path</param>
-        /// <param name="key">The property key</param>
-        /// <returns>a nullable uint</returns>
-        public static uint? TryGetUintProperty(string path, PropertyKey key)
-        {
-            using DisposablePropertyStore propertyStore = GetPropertyStoreFromPath(path);
-            return propertyStore.TryGetUInt(key);
-        }
-
         /// <summary>
         /// Gets a ulong type value from PropertyStore from the given item.
         /// </summary>
@@ -49,6 +38,28 @@ namespace Peek.Common.Helpers
             return propertyStore.TryGetString(key);
         }
 
+        /// <summary>
+        /// Gets Size composed of weight (uint) and height (uint) from PropertyStore from the given item.
+        /// </summary>
+        /// <param name="path">The file/folder path</param>
+        /// <param name="widthKey">The property key for width</param>
+        /// <param name="heightKey">The property key for height</param>
+        /// <returns>a nullable string</returns>
+        public static Size? TryGetUintSizeProperty(string path, PropertyKey widthKey, PropertyKey heightKey)
+        {
+            Size? size = null;
+            using DisposablePropertyStore propertyStore = GetPropertyStoreFromPath(path);
+            uint? width = propertyStore.TryGetUInt(widthKey);
+            uint? height = propertyStore.TryGetUInt(heightKey);
+
+            if (width != null && height != null)
+            {
+                size = new Size((float)width, (float)height);
+            }
+
+            return size;
+        }
+
         /// <summary>
         /// Gets a IPropertyStore interface (wrapped in DisposablePropertyStore) from the given path.
         /// </summary>
@@ -73,7 +84,7 @@ namespace Peek.Common.Helpers
 
                 if (hr != 0)
                 {
-                    throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "GetPropertyStore returned hresult={0}", hr));
+                    throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "GetPropertyStore returned hresult={0}, errorMessage={1}", hr, Marshal.GetExceptionForHR(hr)!.Message));
                 }
 
                 return new DisposablePropertyStore((IPropertyStore)Marshal.GetObjectForIUnknown(ppPropertyStore));

src/modules/peek/Peek.Common/Models/IFileSystemItem.cs

@@ -5,7 +5,6 @@
 using System;
 using System.Globalization;
 using System.Threading.Tasks;
-using Peek.Common.Extensions;
 using Peek.Common.Helpers;
 using Windows.Storage;
 
@@ -39,10 +38,6 @@ namespace Peek.Common.Models
 
         public string Path { get; init; }
 
-        public uint? Width => PropertyStoreHelper.TryGetUintProperty(Path, PropertyKey.ImageHorizontalSize);
-
-        public uint? Height => PropertyStoreHelper.TryGetUintProperty(Path, PropertyKey.ImageVerticalSize);
-
         public ulong FileSizeBytes => PropertyStoreHelper.TryGetUlongProperty(Path, PropertyKey.FileSizeBytes) ?? 0;
 
         public string FileType => PropertyStoreHelper.TryGetStringProperty(Path, PropertyKey.FileType) ?? string.Empty;

src/modules/peek/Peek.Common/Models/Win32/PropertyKey.cs

@@ -61,5 +61,7 @@ namespace Peek.Common.Models
         public static readonly PropertyKey ImageVerticalSize = new PropertyKey(new Guid(0x6444048F, 0x4C8B, 0x11D1, 0x8B, 0x70, 0x08, 0x00, 0x36, 0xB1, 0x1A, 0x03), 4);
         public static readonly PropertyKey FileSizeBytes = new PropertyKey(new Guid(0xb725f130, 0x47ef, 0x101a, 0xa5, 0xf1, 0x02, 0x60, 0x8c, 0x9e, 0xeb, 0xac), 12);
         public static readonly PropertyKey FileType = new PropertyKey(new Guid(0xd5cdd502, 0x2e9c, 0x101b, 0x93, 0x97, 0x08, 0x00, 0x2b, 0x2c, 0xf9, 0xae), 26);
+        public static readonly PropertyKey FrameWidth = new PropertyKey(new Guid(0x64440491, 0x4C8B, 0x11D1, 0x8B, 0x70, 0x08, 0x00, 0x36, 0xB1, 0x1A, 0x03), 3);
+        public static readonly PropertyKey FrameHeight = new PropertyKey(new Guid(0x64440491, 0x4C8B, 0x11D1, 0x8B, 0x70, 0x08, 0x00, 0x36, 0xB1, 0x1A, 0x03), 4);
     }
 }