menu.js

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * @author didierfred@gmail.com
 */

var started = 'off';
const debug_mode = false;

window.onload = function () {
    document.getElementById('config').addEventListener('click', function (e) {
        start_config();
    });
    document.getElementById('start_stop').addEventListener('click', function (e) {
        start_modify();
    });
    loadFromBrowserStorage(['started'], function (result) {
        started = result.started;
        if (started === 'on') document.getElementById('start_stop').value = 'Stop';
    });
};

function loadFromBrowserStorage(item, callback_function) {
    chrome.storage.local.get(item, callback_function);
}

function storeInBrowserStorage(item, callback_function) {
    chrome.storage.local.set(item, callback_function);
}

function start_modify() {
    if (started === 'off') {
        storeInBrowserStorage({started: 'on'}, function () {
            
            started = 'on';
            if (useManifestV3) {
                applyConfigWithManifestV3();
            } else {
                chrome.runtime.sendMessage('on');
            }
            document.getElementById('start_stop').value = 'Stop';
            // if exists reload config tab , to get the start/stop information correct
            chrome.tabs.query({currentWindow: true}, reloadConfigTab);
        });
    } else {
        storeInBrowserStorage({started: 'off'}, function () {
            
            if (useManifestV3) {
                removeConfigWithManifestV3(() => {});
            } else {
            chrome.runtime.sendMessage('off');
            }
            started = 'off';
            document.getElementById('start_stop').value = 'Start';
            // if exists reload config tab , to get the start/stop information correct
            chrome.tabs.query({currentWindow: true}, reloadConfigTab);
        });
    }
}

function reloadConfigTab(tabs) {
    var config_tab;
    // search for config tab
    for (let tab of tabs) {
        if (tab.url.startsWith(chrome.runtime.getURL(''))) config_tab = tab;
    }
    // config tab exists , reload it
    if (config_tab) chrome.tabs.reload(config_tab.id);
}

function start_config() {
    chrome.tabs.query({currentWindow: true}, loadConfigTab);
}

function loadConfigTab(tabs) {
    var config_tab;
    // search for config tab
    for (let tab of tabs) {
        if (tab.url.startsWith(chrome.runtime.getURL(''))) config_tab = tab;
    }
    // config tab exits , put the focus on it
    if (config_tab) chrome.tabs.update(config_tab.id, {active: true});
    // else create a new tab
    else chrome.tabs.create({url: '/popup/config.html'});
}