new build system

inject controls in homepage
2026-06-13 23:35:46 +02:00
parent df98b2c1f8
commit 4d2f7df217
11 changed files with 775 additions and 41 deletions
@@ -0,0 +1,72 @@
+using System;
+using System.IO;
+using MediaBrowser.Common.Configuration;
+using Microsoft.Extensions.Logging;
+
+namespace Jellyfin.Plugin.JellyLMS.Services;
+
+/// <summary>
+/// Injects (or removes) a script tag in the web client's <c>index.html</c>
+/// that adds a floating button linking to the JellyLMS remote control page.
+/// This follows the pattern used by other Jellyfin plugins (e.g. Intro Skipper)
+/// since there is no official plugin hook for adding buttons to the web client.
+/// </summary>
+public static class WebClientPatchService
+{
+    private const string Marker = "<!-- jellylms-remote-button -->";
+    private const string ScriptTag = "<script defer src=\"/JellyLms/RemoteControl/ClientScript\"></script>";
+    private const string Injected = ScriptTag + Marker + "\n</body>";
+
+    /// <summary>
+    /// Ensures the web client's index.html either has or does not have the
+    /// JellyLMS remote button script injected, matching <paramref name="enableButton"/>.
+    /// </summary>
+    /// <param name="applicationPaths">The Jellyfin application paths.</param>
+    /// <param name="enableButton">Whether the remote button script should be present.</param>
+    /// <param name="logger">The logger.</param>
+    public static void Apply(IApplicationPaths applicationPaths, bool enableButton, ILogger logger)
+    {
+        var indexPath = Path.Combine(applicationPaths.WebPath, "index.html");
+
+        try
+        {
+            if (!File.Exists(indexPath))
+            {
+                logger.LogDebug("JellyLMS: web client index.html not found at {Path}", indexPath);
+                return;
+            }
+
+            var html = File.ReadAllText(indexPath);
+            var hasMarker = html.Contains(Marker, StringComparison.Ordinal);
+
+            if (enableButton && !hasMarker)
+            {
+                var patched = ReplaceLast(html, "</body>", Injected);
+                File.WriteAllText(indexPath, patched);
+                logger.LogInformation("JellyLMS: injected remote control button into {Path}", indexPath);
+            }
+            else if (!enableButton && hasMarker)
+            {
+                var patched = html.Replace(ScriptTag + Marker + "\n", string.Empty, StringComparison.Ordinal)
+                    .Replace(ScriptTag + Marker, string.Empty, StringComparison.Ordinal);
+                File.WriteAllText(indexPath, patched);
+                logger.LogInformation("JellyLMS: removed remote control button from {Path}", indexPath);
+            }
+        }
+        catch (Exception ex) when (ex is IOException or UnauthorizedAccessException)
+        {
+            logger.LogWarning(ex, "JellyLMS: failed to patch web client index.html at {Path}", indexPath);
+        }
+    }
+
+    private static string ReplaceLast(string source, string find, string replace)
+    {
+        var index = source.LastIndexOf(find, StringComparison.Ordinal);
+        if (index < 0)
+        {
+            return source;
+        }
+
+        return source[..index] + replace + source[(index + find.Length)..];
+    }
+}