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Add update mechanism to MarkdownViewer resources, move link opening behavior to WebpagePanel

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This commit is contained in:
KamilDev
2024-12-06 01:48:58 +11:00
parent cf7b6ad46f
commit ec62cb4238
5 changed files with 474 additions and 192 deletions
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217
QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/Plugin.cs
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@@ -20,12 +20,9 @@ using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows;
using System.Windows.Threading;
using Microsoft.Web.WebView2.Core;
using QuickLook.Common.Helpers;
using QuickLook.Common.Plugin;
using QuickLook.Plugin.HtmlViewer;
@@ -36,84 +33,21 @@ namespace QuickLook.Plugin.MarkdownViewer
public class Plugin : IViewer
{
private WebpagePanel? _panel;
private static string _resourcePath;
private static readonly string ResourcePrefix = "QuickLook.Plugin.MarkdownViewer.Resources.";
private string? _currentHtmlPath;
private static bool OverrideFilesInDevelopment => true && Debugger.IsAttached; // Debug setting
static Plugin()
{
// Set up resource path in AppData
_resourcePath = Path.Combine(SettingHelper.LocalDataPath, "QuickLook.Plugin.MarkdownViewer");
}
private static readonly string _resourcePath = Path.Combine(SettingHelper.LocalDataPath, "QuickLook.Plugin.MarkdownViewer");
private static readonly string _resourcePrefix = "QuickLook.Plugin.MarkdownViewer.Resources.";
private static readonly ResourceManager _resourceManager = new ResourceManager(_resourcePath, _resourcePrefix);
public int Priority => 0;
public void Init()
{
// Create directory if it doesn't exist
if (!Directory.Exists(_resourcePath) || OverrideFilesInDevelopment)
{
Directory.CreateDirectory(_resourcePath);
ExtractResources();
}
// Initialize resources and handle versioning
_resourceManager.InitializeResources();
// Clean up any temporary HTML files if QuickLook was forcibly terminated
try
{
var tempFiles = Directory.GetFiles(_resourcePath, "temp_*.html");
foreach (var file in tempFiles)
{
try
{
File.Delete(file);
}
catch (IOException) { } // Ignore deletion errors
}
}
catch (Exception ex)
{
Debug.WriteLine($"Failed to clean up temporary HTML files: {ex.Message}");
}
}
private void ExtractResources()
{
var assembly = Assembly.GetExecutingAssembly();
var resourceNames = assembly.GetManifestResourceNames();
foreach (var resourceName in resourceNames)
{
if (!resourceName.StartsWith(ResourcePrefix)) continue;
var relativePath = resourceName.Substring(ResourcePrefix.Length);
if (relativePath.Equals("resources", StringComparison.OrdinalIgnoreCase)) continue; // Skip 'resources' binary file
var targetPath = Path.Combine(_resourcePath, relativePath.Replace('/', Path.DirectorySeparatorChar));
// Create directory if it doesn't exist
var directory = Path.GetDirectoryName(targetPath);
if (directory != null)
Directory.CreateDirectory(directory);
// Extract the resource (skip if it already exists, unless in debug mode)
if (File.Exists(targetPath) && !OverrideFilesInDevelopment)
continue;
using (var resourceStream = assembly.GetManifestResourceStream(resourceName))
using (var fileStream = File.Create(targetPath))
{
resourceStream?.CopyTo(fileStream);
}
}
// Verify that md2html.html was extracted
var htmlPath = Path.Combine(_resourcePath, "md2html.html");
if (!File.Exists(htmlPath))
{
throw new FileNotFoundException($"Required template file md2html.html not found in resources. Available resources: {string.Join(", ", resourceNames)}");
}
CleanupTempFiles();
}
public bool CanHandle(string path)
@@ -135,123 +69,6 @@ namespace QuickLook.Plugin.MarkdownViewer
var htmlPath = GenerateMarkdownHtml(path);
_panel.NavigateToFile(htmlPath);
_panel.Dispatcher.Invoke(() => { context.IsBusy = false; }, DispatcherPriority.Loaded);
_panel._webView.NavigationStarting += NavigationStarting_CancelNavigation;
}
private void NavigationStarting_CancelNavigation(object sender, CoreWebView2NavigationStartingEventArgs e)
{
if (e.Uri.StartsWith("data:")) // when using NavigateToString
return;
var newUri = new Uri(e.Uri);
if (newUri == _panel?._currentUri) return;
e.Cancel = true;
// Open in default browser
try
{
if (!Uri.TryCreate(e.Uri, UriKind.Absolute, out var uri))
{
Debug.WriteLine($"Invalid URI format: {e.Uri}");
return;
}
// Safe schemes can open directly
if (uri.Scheme == Uri.UriSchemeHttp ||
uri.Scheme == Uri.UriSchemeHttps ||
uri.Scheme == Uri.UriSchemeMailto)
{
Process.Start(uri.AbsoluteUri);
return;
}
// Ask user for unsafe schemes. Use dispatcher to avoid blocking thread.
var associatedApp = GetAssociatedAppForScheme(uri.Scheme);
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
var result = MessageBox.Show(
!string.IsNullOrEmpty(associatedApp) ?
$"The following link will open in {associatedApp}:\n{e.Uri}" : $"The following link will open:\n{e.Uri}",
!string.IsNullOrEmpty(associatedApp) ?
$"Open {associatedApp}?" : "Open custom URI?",
MessageBoxButton.YesNo,
MessageBoxImage.Information);
if (result == MessageBoxResult.Yes)
{
Process.Start(e.Uri);
}
}));
}
catch (Exception ex)
{
Debug.WriteLine($"Failed to open URL in browser: {ex.Message}");
}
}
[DllImport("Shlwapi.dll", CharSet = CharSet.Unicode)]
private static extern uint AssocQueryString(
AssocF flags,
AssocStr str,
string pszAssoc,
string? pszExtra,
[Out] StringBuilder? pszOut,
ref uint pcchOut);
[Flags]
private enum AssocF
{
None = 0,
VerifyExists = 0x1
}
private enum AssocStr
{
Command = 1,
Executable = 2,
FriendlyAppName = 4
}
private string? GetAssociatedAppForScheme(string scheme)
{
try
{
// Try to get friendly app name first
uint pcchOut = 0;
AssocQueryString(AssocF.None, AssocStr.FriendlyAppName, scheme, null, null, ref pcchOut);
if (pcchOut > 0)
{
StringBuilder pszOut = new StringBuilder((int)pcchOut);
AssocQueryString(AssocF.None, AssocStr.FriendlyAppName, scheme, null, pszOut, ref pcchOut);
var appName = pszOut.ToString().Trim();
if (!string.IsNullOrEmpty(appName))
return appName;
}
// Fall back to executable name if friendly name is not available
pcchOut = 0;
AssocQueryString(AssocF.None, AssocStr.Executable, scheme, null, null, ref pcchOut);
if (pcchOut > 0)
{
StringBuilder pszOut = new StringBuilder((int)pcchOut);
AssocQueryString(AssocF.None, AssocStr.Executable, scheme, null, pszOut, ref pcchOut);
var exeName = pszOut.ToString().Trim();
if (!string.IsNullOrEmpty(exeName))
return Path.GetFileName(exeName);
}
return null;
}
catch (Exception ex)
{
Debug.WriteLine($"Failed to get associated app: {ex.Message}");
return null;
}
}
private string GenerateMarkdownHtml(string path)
@@ -286,6 +103,7 @@ namespace QuickLook.Plugin.MarkdownViewer
return outputPath;
}
#region Cleanup
private void CleanupTempHtmlFile()
{
if (!string.IsNullOrEmpty(_currentHtmlPath) && File.Exists(_currentHtmlPath))
@@ -298,6 +116,26 @@ namespace QuickLook.Plugin.MarkdownViewer
}
}
private void CleanupTempFiles()
{
try
{
var tempFiles = Directory.GetFiles(_resourcePath, "temp_*.html");
foreach (var file in tempFiles)
{
try
{
File.Delete(file);
}
catch (IOException) { } // Ignore deletion errors
}
}
catch (Exception ex)
{
Debug.WriteLine($"Failed to clean up temporary HTML files: {ex.Message}");
}
}
public void Cleanup()
{
GC.SuppressFinalize(this);
@@ -307,5 +145,6 @@ namespace QuickLook.Plugin.MarkdownViewer
_panel?.Dispose();
_panel = null;
}
#endregion
}
}