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Stream CHM via HTTP handler and remove Helper

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This commit is contained in:
ema
2026-04-28 03:58:49 +08:00
parent c27771387c
commit 84ebfa56c4
3 changed files with 16 additions and 72 deletions
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QuickLook.Plugin/QuickLook.Plugin.ChmViewer/ChmWebpagePanel.cs
+12 -16
View File
@@ -27,9 +27,11 @@ namespace QuickLook.Plugin.ChmViewer;
public class ChmWebpagePanel : WebpagePanel
{
private const string _resourcePrefix = "QuickLook.Plugin.ChmViewer.Resources.";
private static readonly Dictionary<string, byte[]> _resources = [];
private readonly byte[] _homePage;
protected const string _resourcePrefix = "QuickLook.Plugin.ChmViewer.Resources.";
protected internal static readonly Dictionary<string, byte[]> _resources = [];
protected readonly byte[] _homePage;
protected string _path;
static ChmWebpagePanel()
{
@@ -68,15 +70,9 @@ public class ChmWebpagePanel : WebpagePanel
public void PreviewCompiledHtmlHelp(string path)
{
FallbackPath = Path.GetDirectoryName(path);
_path = path;
var chmFileUrl = Helper.FilePathToFileUrl(path);
var pluginUri = new Uri($"file://quicklook/?plugin=1&chm={Uri.EscapeDataString(chmFileUrl.AbsoluteUri)}");
var chmFile = File.ReadAllBytes(path); // Preload the CHM file to improve performance when the WebView requests it later
_resources.Add(Uri.EscapeDataString(chmFileUrl.AbsoluteUri), chmFile);
NavigateToUri(pluginUri);
NavigateToUri(new Uri("http://quicklook/?plugin=1&chm=http://quicklook/.chm"));
}
protected override void WebView_WebResourceRequested(object sender, Microsoft.Web.WebView2.Core.CoreWebView2WebResourceRequestedEventArgs args)
@@ -87,21 +83,21 @@ public class ChmWebpagePanel : WebpagePanel
{
var requestedUri = new Uri(args.Request.Uri);
if (requestedUri.Scheme == "file")
if (requestedUri.Scheme == "http")
{
string absolutePath = Uri.UnescapeDataString(requestedUri.AbsolutePath);
if (absolutePath.StartsWith("/?plugin=1"))
if (absolutePath == "/")
{
var response = _webView.CoreWebView2.Environment.CreateWebResourceResponse(
new MemoryStream(_homePage), 200, "OK", MimeTypes.GetContentType(".html"));
args.Response = response;
}
else if (ContainsKey(requestedUri.AbsolutePath))
else if (absolutePath == "/.chm")
{
var stream = ReadStream(requestedUri.AbsolutePath);
Stream stream = new FileStream(_path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
var response = _webView.CoreWebView2.Environment.CreateWebResourceResponse(
stream, 200, "OK", MimeTypes.GetContentType(Path.GetExtension(requestedUri.AbsolutePath)));
stream, 200, "OK", MimeTypes.GetContentType(Path.GetExtension(".chm")));
args.Response = response;
}
else