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'use strict';
var CONNECTED = false;
var DEVICES = [];
var TARGET_URL = null;
// Suppress errors caused by Mozilla polyfill
// TODO: not sure if these are relevant anymore
const _MUTE = [
'Could not establish connection. Receiving end does not exist.',
'The message port closed before a response was received.',
];
// Simple error logging function
// eslint-disable-next-line no-redeclare
function logError(error) {
if (!_MUTE.includes(error.message))
console.error(error.message);
}
/**
* Share a URL, either direct to the browser or by SMS
*
* @param {string} device - The deviceId
* @param {string} action - Currently either 'share' or 'telephony'
* @param {string} url - The URL to share
*/
async function sendUrl(device, action, url) {
try {
window.close();
await browser.runtime.sendMessage({
type: 'share',
data: {
device: device,
url: url,
action: action,
},
});
} catch (e) {
logError(e);
}
}
/**
* Create and return a device element for the popup menu
*
* @param {object} device - A JSON object describing a connected device
* @return {HTMLElement} - A <div> element with icon, name and actions
*/
function getDeviceElement(device) {
const deviceElement = document.createElement('div');
deviceElement.className = 'device';
const deviceIcon = document.createElement('img');
deviceIcon.className = 'device-icon';
deviceIcon.src = `images/${device.type}.svg`;
deviceElement.appendChild(deviceIcon);
const deviceName = document.createElement('span');
deviceName.className = 'device-name';
deviceName.textContent = device.name;
deviceElement.appendChild(deviceName);
if (device.share) {
const shareButton = document.createElement('img');
shareButton.className = 'plugin-button';
shareButton.src = 'images/open-in-browser.svg';
shareButton.title = browser.i18n.getMessage('shareMessage');
shareButton.addEventListener(
'click',
() => sendUrl(device.id, 'share', URL)
);
deviceElement.appendChild(shareButton);
}
if (device.telephony) {
const telephonyButton = document.createElement('img');
telephonyButton.className = 'plugin-button';
telephonyButton.src = 'images/message.svg';
telephonyButton.title = browser.i18n.getMessage('smsMessage');
telephonyButton.addEventListener(
'click',
() => sendUrl(device.id, 'telephony', URL)
);
deviceElement.appendChild(telephonyButton);
}
return deviceElement;
}
/**
* Populate the browserAction popup
*/
function setPopup() {
const devNode = document.getElementById('popup');
while (devNode.hasChildNodes())
devNode.removeChild(devNode.lastChild);
if (CONNECTED && DEVICES.length) {
for (const device of DEVICES) {
const deviceElement = getDeviceElement(device);
devNode.appendChild(deviceElement);
}
return;
}
// Disconnected or no devices
const message = document.createElement('span');
message.className = 'popup-menu-message';
devNode.appendChild(message);
// The native-messaging-host or service is disconnected
if (!CONNECTED)
message.textContent = browser.i18n.getMessage('popupMenuDisconnected');
// There are no devices
else
message.textContent = browser.i18n.getMessage('popupMenuNoDevices');
}
/**
* Callback for receiving a message forwarded by background.js
*
* @param {Object} message - A JSON message object
* @param {runtime.MessageSender} sender - The sender of the message.
*/
function onPortMessage(message, sender) {
try {
// console.log(`WebExtension-popup RECV: ${JSON.stringify(message)}`);
if (sender.url.includes('/background.html')) {
if (message.type === 'connected') {
CONNECTED = message.data;
} else if (message.type === 'devices') {
CONNECTED = true;
DEVICES = message.data;
}
setPopup();
}
} catch (e) {
logError(e);
}
}
/**
* Set the current URL and repopulate the popup, on-demand
*/
async function onPopup() {
try {
const tabs = await browser.tabs.query({
active: true,
currentWindow: true,
});
if (tabs.length)
TARGET_URL = tabs[0].url;
setPopup();
await browser.runtime.sendMessage({type: 'devices'});
} catch (e) {
logError(e);
}
}
/**
* Startup: listen for forwarded messages and populate the popup on-demand
*/
browser.runtime.onMessage.addListener(onPortMessage);
document.addEventListener('DOMContentLoaded', onPopup);
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