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Support markdown viewer fallback folder #508

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ema
2024-12-06 12:31:51 +08:00
parent 9f3126b63f
commit 72d3c3187b
2 changed files with 83 additions and 12 deletions
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79
QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/WebpagePanel.cs
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@@ -15,6 +15,9 @@
// 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 Microsoft.Web.WebView2.Core;
using Microsoft.Web.WebView2.Wpf;
using QuickLook.Common.Helpers;
using System;
using System.Diagnostics;
using System.Drawing;
@@ -24,15 +27,14 @@ using System.Runtime.InteropServices;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using Microsoft.Web.WebView2.Core;
using Microsoft.Web.WebView2.Wpf;
using QuickLook.Common.Helpers;
namespace QuickLook.Plugin.HtmlViewer
{
public class WebpagePanel : UserControl
{
private Uri _currentUri;
private string _primaryPath;
private string _fallbackPath;
private WebView2 _webView;
public WebpagePanel()
@@ -53,12 +55,24 @@ namespace QuickLook.Plugin.HtmlViewer
};
_webView.NavigationStarting += NavigationStarting_CancelNavigation;
_webView.NavigationCompleted += WebView_NavigationCompleted;
_webView.CoreWebView2InitializationCompleted += WebView_CoreWebView2InitializationCompleted;
Content = _webView;
}
}
public void NavigateToFile(string path)
public void NavigateToFile(string path, string fallbackPath = null)
{
try
{
_primaryPath = Path.GetDirectoryName(path);
_fallbackPath = fallbackPath;
}
catch (Exception e)
{
// Omit logging for less important logs
Debug.WriteLine(e);
}
var uri = Path.IsPathRooted(path) ? Helper.FilePathToFileUrl(path) : new Uri(path);
NavigateToUri(uri);
@@ -145,6 +159,7 @@ namespace QuickLook.Plugin.HtmlViewer
}
#region Get Associated App For Scheme
[DllImport("Shlwapi.dll", CharSet = CharSet.Unicode)]
private static extern uint AssocQueryString(
AssocF flags,
@@ -208,13 +223,67 @@ namespace QuickLook.Plugin.HtmlViewer
return null;
}
}
#endregion
#endregion Get Associated App For Scheme
private void WebView_NavigationCompleted(object sender, CoreWebView2NavigationCompletedEventArgs e)
{
_webView.DefaultBackgroundColor = Color.White; // Reset to white after page load to match expected default behavior
}
private void WebView_CoreWebView2InitializationCompleted(object sender, CoreWebView2InitializationCompletedEventArgs e)
{
if (e.IsSuccess)
{
_webView.CoreWebView2.AddWebResourceRequestedFilter("*", CoreWebView2WebResourceContext.All);
_webView.CoreWebView2.WebResourceRequested += (sender, args) =>
{
if (string.IsNullOrWhiteSpace(_fallbackPath) || !Directory.Exists(_fallbackPath))
{
return;
}
try
{
var requestedUri = new Uri(args.Request.Uri);
// Check if the request is for a local file
if (requestedUri.Scheme == "file" && !File.Exists(requestedUri.LocalPath))
{
// Try loading from fallback directory
var fileName = Path.GetFileName(requestedUri.LocalPath);
var fileDirectoryName = Path.GetDirectoryName(requestedUri.LocalPath);
// Convert the primary path to fallback path
if (fileDirectoryName.StartsWith(_primaryPath))
{
var fallbackFilePath = Path.Combine(
_fallbackPath.Trim('/', '\\'), // Make it combinable
fileDirectoryName.Substring(_primaryPath.Length).Trim('/', '\\'), // Make it combinable
fileName
);
if (File.Exists(fallbackFilePath))
{
// Serve the file from the fallback directory
var fileStream = File.OpenRead(fallbackFilePath);
var response = _webView.CoreWebView2.Environment.CreateWebResourceResponse(
fileStream, 200, "OK", "Content-Type: application/octet-stream");
args.Response = response;
}
}
}
}
catch (Exception e)
{
// We don’t need to feel burdened by any exceptions
Debug.WriteLine(e);
}
};
}
}
public void Dispose()
{
_webView?.Dispose();