Files

46 lines
1.6 KiB
JavaScript

const ANALYZER_URL = 'http://localhost:8088/';
const VOLUMIO_URL = 'http://localhost:3000/';
function matchingTabs(tabs, url) {
return tabs.filter(tab => tab.url && tab.url.startsWith(url));
}
// Keep one Analyzer and one Volumio tab. Chromium starts on Analyzer, so
// Volumio can load in the background without delaying the first visible UI.
function ensureDualTabs() {
chrome.tabs.query({ currentWindow: true }, tabs => {
const analyzerTabs = matchingTabs(tabs, ANALYZER_URL);
const volumioTabs = matchingTabs(tabs, VOLUMIO_URL);
const duplicates = [...analyzerTabs.slice(1), ...volumioTabs.slice(1)]
.map(tab => tab.id)
.filter(id => Number.isInteger(id));
if (duplicates.length > 0) chrome.tabs.remove(duplicates);
if (analyzerTabs.length === 0) chrome.tabs.create({ url: ANALYZER_URL, active: true });
if (volumioTabs.length === 0) chrome.tabs.create({ url: VOLUMIO_URL, active: false });
});
}
// Activate an existing application tab without reloading it.
function activateOrCreate(url) {
chrome.tabs.query({ currentWindow: true }, tabs => {
const tab = matchingTabs(tabs, url)[0];
if (tab) chrome.tabs.update(tab.id, { active: true });
else chrome.tabs.create({ url, active: true });
});
}
chrome.runtime.onMessage.addListener((msg, _sender, sendResponse) => {
if (!msg) return;
if (msg.cmd === 'bootstrap') {
ensureDualTabs();
sendResponse({ ok: true });
return;
}
if (msg.cmd === 'toggle') {
if (msg.from === 'volumio') activateOrCreate(ANALYZER_URL);
else activateOrCreate(VOLUMIO_URL);
sendResponse({ ok: true });
}
});