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Refactor thumbnail handlers into provider classes

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ema
2025-08-02 23:58:55 +08:00
parent e342cd0851
commit fbfd2484df
11 changed files with 470 additions and 170 deletions
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168
QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Handler.cs
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@@ -15,165 +15,43 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
using PureSharpCompress.Archives.Zip;
using PureSharpCompress.Common;
using PureSharpCompress.Readers;
using QuickLook.Common.Helpers;
using QuickLook.Common.Plugin;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using QuickLook.Plugin.ThumbnailViewer.Providors;
using System.IO;
using System.Windows;
using System.Windows.Media.Imaging;
namespace QuickLook.Plugin.ThumbnailViewer;
internal static class Handler
{
// List<Pair<formats, type>>
public static List<KeyValuePair<string[], Type>> Providers = [];
public static void Prepare(string path, ContextObject context)
{
// Temporary codes
if (path.EndsWith(".pdn", StringComparison.OrdinalIgnoreCase))
(Path.GetExtension(path).ToLower() switch
{
new PdnProvider().Prepare(path, context);
return;
}
try
{
using Stream imageData = ViewImage(path);
BitmapImage bitmap = imageData.ReadAsBitmapImage();
context.SetPreferredSizeFit(new Size(bitmap.PixelWidth, bitmap.PixelHeight), 0.8d);
}
catch (Exception ex)
{
Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
context.PreferredSize = new Size { Width = 800, Height = 600 };
}
".cdr" => new CdrProvider(),
".fig" => new FigProvidor(),
".kra" => new KraProvidor(),
".pdn" => new PdnProvider(),
".pip" or ".pix" => new PixProvidor(),
".sketch" => new SketchProvidor(),
".xd" => new XdProvidor(),
".xmind" => new XmindProvidor(),
_ => (AbstractProvidor)null,
})?.Prepare(path, context);
}
public static Stream ViewImage(string path)
{
// Temporary codes
if (path.EndsWith(".pdn", StringComparison.OrdinalIgnoreCase))
return (Path.GetExtension(path).ToLower() switch
{
return new PdnProvider().ViewImage(path);
}
try
{
using ZipArchive archive = ZipArchive.Open(path, new());
using IReader reader = archive.ExtractAllEntries();
if (path.EndsWith(".xd", StringComparison.OrdinalIgnoreCase))
{
while (reader.MoveToNextEntry())
{
if (reader.Entry.Key!.Equals("preview.png", StringComparison.OrdinalIgnoreCase))
{
MemoryStream ms = new();
using EntryStream stream = reader.OpenEntryStream();
stream.CopyTo(ms);
return ms;
}
else if (reader.Entry.Key!.Equals("thumbnail.png", StringComparison.OrdinalIgnoreCase))
{
MemoryStream ms = new();
using EntryStream stream = reader.OpenEntryStream();
stream.CopyTo(ms);
return ms;
}
}
}
else if (path.EndsWith(".fig", StringComparison.OrdinalIgnoreCase))
{
while (reader.MoveToNextEntry())
{
if (reader.Entry.Key!.Equals("thumbnail.png", StringComparison.OrdinalIgnoreCase))
{
MemoryStream ms = new();
using EntryStream stream = reader.OpenEntryStream();
stream.CopyTo(ms);
return ms;
}
}
}
else if (path.EndsWith(".pip", StringComparison.OrdinalIgnoreCase) || path.EndsWith(".pix", StringComparison.OrdinalIgnoreCase))
{
while (reader.MoveToNextEntry())
{
if (reader.Entry.Key!.EndsWith(".thumb.png", StringComparison.OrdinalIgnoreCase))
{
MemoryStream ms = new();
using EntryStream stream = reader.OpenEntryStream();
stream.CopyTo(ms);
return ms;
}
}
}
else if (path.EndsWith(".sketch", StringComparison.OrdinalIgnoreCase))
{
while (reader.MoveToNextEntry())
{
if (reader.Entry.Key!.EndsWith("previews/preview.png", StringComparison.OrdinalIgnoreCase))
{
MemoryStream ms = new();
using EntryStream stream = reader.OpenEntryStream();
stream.CopyTo(ms);
return ms;
}
}
}
else if (path.EndsWith(".xmind", StringComparison.OrdinalIgnoreCase))
{
while (reader.MoveToNextEntry())
{
if (reader.Entry.Key!.Equals("Thumbnails/thumbnail.png", StringComparison.OrdinalIgnoreCase))
{
MemoryStream ms = new();
using EntryStream stream = reader.OpenEntryStream();
stream.CopyTo(ms);
return ms;
}
}
}
else if (path.EndsWith(".kra", StringComparison.OrdinalIgnoreCase))
{
while (reader.MoveToNextEntry())
{
if (reader.Entry.Key!.Contains("mergedimage"))
{
MemoryStream ms = new();
using EntryStream stream = reader.OpenEntryStream();
stream.CopyTo(ms);
return ms;
}
}
}
else if (path.EndsWith(".cdr", StringComparison.OrdinalIgnoreCase))
{
while (reader.MoveToNextEntry())
{
if (reader.Entry.Key!.Equals("previews/thumbnail.png", StringComparison.OrdinalIgnoreCase))
{
MemoryStream ms = new();
using EntryStream stream = reader.OpenEntryStream();
stream.CopyTo(ms);
return ms;
}
}
}
}
catch (Exception ex)
{
Debug.WriteLine($"Error reading thumbnail from {path}: {ex.Message}");
ProcessHelper.WriteLog(ex.ToString());
}
return null;
".cdr" => new CdrProvider(),
".fig" => new FigProvidor(),
".kra" => new KraProvidor(),
".pdn" => new PdnProvider(),
".pip" or ".pix" => new PixProvidor(),
".sketch" => new SketchProvidor(),
".xd" => new XdProvidor(),
".xmind" => new XmindProvidor(),
_ => (AbstractProvidor)null,
})?.ViewImage(path);
}
}