popup.js

/*
 * Referer Modifier: Modify the Referer header in HTTP requests
 * Copyright (C) 2022 Fiona Klute
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
"use strict";

var settings_button = document.getElementById("settings");
var deactivate_button = document.getElementById("deactivate");

var mod_enabled = true;


function setupPowerButton(enabled)
{
	if (enabled)
	{
		deactivate_button.innerText = browser.i18n.getMessage("deactivate");
		deactivate_button.classList.remove("off");
	}
	else
	{
		deactivate_button.innerText = browser.i18n.getMessage("reactivate");
		deactivate_button.classList.add("off");
	}
}


async function toggleModification()
{
	mod_enabled = !mod_enabled;
	setupPowerButton(mod_enabled);
	await browser.storage.local.set({mod_enabled: mod_enabled});
}


async function refreshConfig(change, area)
{
	if (area === "local")
	{
		if (Object.prototype.hasOwnProperty.call(change, "mod_enabled"))
		{
			mod_enabled = change.mod_enabled.newValue;
			setupPowerButton(mod_enabled);
		}
	}
}


browser.storage.local.get(["mod_enabled"]).then(
	async (result) =>
	{
		if (result.mod_enabled !== undefined)
		{
			mod_enabled = result.mod_enabled;
		}
		else
		{
			mod_enabled = true;
		}
		setupPowerButton(mod_enabled);
	});
browser.storage.onChanged.addListener(refreshConfig);

settings_button.addEventListener(
	"click",
	function()
	{
		browser.runtime.openOptionsPage();
	});

deactivate_button.addEventListener("click", toggleModification);