feat(firefox): dedicated module and tridactyl config

users/modules/desktop/default.nix

@@ -9,6 +9,7 @@ in {
   imports = [
     ./caelestia.nix
     ./eww.nix
+    ./firefox.nix
     ./hyprland.nix
     ./kdeconnect.nix
     ./kitty.nix
@@ -25,6 +26,7 @@ in {
   options.home.desktop.fullDesktop = mkEnableOption "Enable options for graphical environments";
   config.home.desktop = {
     eww.enable = mkDefault cfg.fullDesktop;
+    firefox.enable = mkDefault cfg.fullDesktop;
     hyprland.enable = mkDefault cfg.fullDesktop;
     kdeconnect.enable = mkDefault cfg.fullDesktop;
     kitty.enable = mkDefault cfg.fullDesktop;

users/modules/desktop/firefox.nix

@@ -0,0 +1,70 @@
+{
+  config,
+  lib,
+  inputs,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.home.desktop.firefox;
+  inherit (pkgs.stdenv.hostPlatform) system;
+  zen = inputs.zen-browser.packages.${system}.default;
+  settingsToLines = settings:
+    concatStringsSep "\n" (mapAttrsToList (name: value: "set ${name} ${toString value}") settings);
+in {
+  options.home.desktop.firefox = {
+    enable = mkEnableOption "enable Firefox";
+    useZen = mkEnableOption "use Zen instead of Firefox";
+    tridactyl = {
+      enable = mkEnableOption "enable Tridactyl";
+      preConfig = mkOption {
+        description = "Lines to add to the beginning of tridactylrc";
+        type = types.lines;
+        default = "";
+      };
+      config = mkOption {
+        type = with types;
+          attrsOf (oneOf [
+            int
+            str
+            bool
+          ]);
+        description = "Tridactyl settings (converted to 'set key value' lines)";
+        default = {};
+        example = {
+          smoothscroll = true;
+          history = 1000;
+        };
+      };
+      extraConfig = mkOption {
+        description = "Extra lines to add to tridactylrc (for bindings, autocmds, etc)";
+        type = types.lines;
+        default = "";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    programs.firefox = {
+      inherit (cfg) enable;
+      package =
+        if cfg.useZen
+        then zen
+        else pkgs.firefox;
+      nativeMessagingHosts = lists.optional cfg.tridactyl.enable pkgs.tridactyl-native;
+    };
+    xdg.configFile."tridactyl/tridactylrc" = mkIf cfg.tridactyl.enable {
+      text = concatStringsSep "\n" (filter (s: s != "") [
+        cfg.tridactyl.preConfig
+        (settingsToLines (cfg.tridactyl.config
+          // {
+            browser =
+              if cfg.useZen
+              then "zen"
+              else "firefox";
+          }))
+        cfg.tridactyl.extraConfig
+      ]);
+    };
+  };
+}