nixos-config/home-manager/modules/firefox/default.nix

{
  pkgs,
  config,
  lib,
  ...
}:
with lib;
let
  cfg = config.eboskma.programs.firefox;

  profileSettings = {
    "browser.chrome.guess_favicon" = false;
    "browser.shell.checkDefaultBrowser" = false;
    "browser.translations.enable" = false;
    "devtools.theme" = "dark";
    "extensions.quarantinedDomains.enabled" = false;
    "gfx.webrender.all" = true;
    "image.avif.enabled" = true;
    "image.webp.enabled" = true;
    "media.ffmpeg.vaapi.enabled" = true;
    "media.rdd-ffmpeg.enabled" = true;
    "privacy.webrtc.allowSilencingNotifications" = true;
    "privacy.webrtc.legacyGlobalIndicator" = false;
    "security.tls.enable_0rtt_data" = false;
    "ui.key.menuAccessKeyFocuses" = false;
    "widget.content.allow-gtk-dark-theme" = true;
  };

  nonDefaultDesktop = pkgs.makeDesktopItem {
    name = "firefox-" + (if cfg.work then "private" else "horus");
    desktopName = "Firefox (" + (if cfg.work then "Personal" else "Horus") + ")";
    exec = "firefox -P " + (if cfg.work then "private" else "horus") + " %u";
    icon = "firefox";
    categories = [
      "GNOME"
      "GTK"
      "Network"
      "WebBrowser"
    ];
    mimeTypes = [
      "text/html"
      "text/xml"
      "application/xhtml+xml"
      "application/xml"
      "application/rss+xml"
      "application/rdf+xml"
      "image/gif"
      "image/jpeg"
      "image/png"
      "x-scheme-handler/http"
      "x-scheme-handler/https"
      "x-scheme-handler/ftp"
      "x-scheme-handler/chrome"
      "video/webm"
      "application/x-xpinstall"
    ];
    startupNotify = true;
    extraConfig = {
      "X-MultipleArgs" = "false";
    };
  };
in
{
  options.eboskma.programs.firefox = {
    enable = mkEnableOption "enable firefox";
    work = mkOption {
      description = "whether this is a work config";
      type = types.bool;
      default = false;
    };
  };

  config = mkIf cfg.enable {
    programs.firefox = {
      enable = true;
      package = pkgs.firefox.override {
        cfg = {
          enableGnomeExtensions = true;
          enableSpeechSynthesisSupport = true;
        };
      };

      profiles = {
        private = {
          id = 0;
          isDefault = !cfg.work;
          settings = profileSettings;
        };

        horus = {
          id = 1;
          isDefault = cfg.work;
          settings = profileSettings;
        };
      };
    };

    home.packages = [ nonDefaultDesktop ];
  };
}