igration.CLEANUP_PREF,
    builtinColorwayThemeFound
      ? ColorwayThemeMigration.CLEANUP_COMPLETED_WITH_BUILTIN
      : ColorwayThemeMigration.CLEANUP_COMPLETED
  );

  return activeThemeUninstalling;
}

export const ColorwayThemeMigration = {
  get CLEANUP_PREF() {
    return "extensions.colorway-builtin-themes-cleanup";
  },
  get CLEANUP_UNKNOWN() {
    return 0;
  },
  get CLEANUP_COMPLETED() {
    return 1;
  },
  get CLEANUP_COMPLETED_WITH_BUILTIN() {
    return 2;
  },

  maybeWarn: async () => {
    const activeThemeID = Services.prefs.getCharPref(
      "extensions.activeThemeID",
      ""
    );

    // Let's remove all the existing colorwy builtin themes.
    const activeThemeUninstalled = await uninstallAllColorwayBuiltinThemes(
      activeThemeID
    ).catch(err => {
      console.warn("Error on uninstalling all colorways builtin themes", err);
    });

    if (!activeThemeUninstalled) {
      return;
    }

    // This can go async.
    lazy.AddonManager.getAddonByID(lazy.AddonSettings.DEFAULT_THEME_ID).then(
      addon => addon.enable()
    );

    const win = lazy.BrowserWindowTracker.getTopWindow({
      allowFromInactiveWorkspace: true,
    });
    win.MozXULElement.insertFTLIfNeeded("toolkit/global/extensions.ftl");

    win.gNotificationBox.appendNotification(
      "colorway-theme-migration",
      {
        label: {
          "l10n-id": "webext-colorway-theme-migration-notification-message",
        },
        priority: win.gNotificationBox.PRIORITY_INFO_MEDIUM,
      },
      [
        {
          supportPage: "colorways",
        },
        {
          "l10n-id": "webext-colorway-theme-migration-notification-button",
          callback: () => {
            win.openTrustedLinkIn(
              "https://addons.mozilla.org/firefox/collections/4757633/colorways/",
              "tab"
            );
          },
        },
      ]
    );
  },
};
PK