firefox: support showing bookmarks on toolbar

modules/programs/firefox.nix

@@ -71,7 +71,12 @@ let
           }>${escapeXML bookmark.name}</A>'';
 
       directoryToHTML = indentLevel: directory: ''
-        ${indent indentLevel}<DT><H3>${escapeXML directory.name}</H3>
+        ${indent indentLevel}<DT>${
+          if directory.toolbar then
+            ''<H3 PERSONAL_TOOLBAR_FOLDER="true">Bookmarks Toolbar''
+          else
+            "<H3>${escapeXML directory.name}"
+        }</H3>
         ${indent indentLevel}<DL><p>
         ${allItemsToHTML (indentLevel + 1) directory.bookmarks}
         ${indent indentLevel}</p></DL>'';
@@ -287,6 +292,12 @@ in {
                       default = [ ];
                       description = "Bookmarks within directory.";
                     };
+
+                    toolbar = mkOption {
+                      type = types.bool;
+                      default = false;
+                      description = "If directory should be shown in toolbar.";
+                    };
                   };
                 }) // {
                   description = "directory submodule";

tests/modules/programs/firefox/profile-settings-expected-bookmarks.html

@@ -6,6 +6,10 @@
 <TITLE>Bookmarks</TITLE>
 <H1>Bookmarks Menu</H1>
 <DL><p>
+  <DT><H3 PERSONAL_TOOLBAR_FOLDER="true">Bookmarks Toolbar</H3>
+  <DL><p>
+    <DT><A HREF="https://nixos.wiki/wiki/Home_Manager" ADD_DATE="0" LAST_MODIFIED="0">Home Manager</A>
+  </p></DL>
   <DT><A HREF="https://en.wikipedia.org/wiki/Special:Search?search=%s&amp;go=Go" ADD_DATE="0" LAST_MODIFIED="0" SHORTCUTURL="wiki">wikipedia</A>
   <DT><A HREF="https://www.kernel.org" ADD_DATE="0" LAST_MODIFIED="0">kernel.org</A>
   <DT><H3>Nix sites</H3>

tests/modules/programs/firefox/profile-settings.nix

@@ -16,6 +16,13 @@ lib.mkIf config.test.enableBig {
       id = 2;
       settings = { "general.smoothScroll" = false; };
       bookmarks = [
+        {
+          toolbar = true;
+          bookmarks = [{
+            name = "Home Manager";
+            url = "https://nixos.wiki/wiki/Home_Manager";
+          }];
+        }
         {
           name = "wikipedia";
           keyword = "wiki";