dotfiles/.local/share/gnome-shell/extensions/sound-output-device-chooser.../convenience.js

353 lines
11 KiB
JavaScript

/*******************************************************************************
* 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 <http://www.gnu.org/licenses/>.
* *****************************************************************************
* Original Author: Gopi Sankar Karmegam
******************************************************************************/
/* jshint moz:true */
const ByteArray = imports.byteArray;
const { Gio, GLib } = imports.gi;
const ExtensionUtils = imports.misc.extensionUtils;
const Me = ExtensionUtils.getCurrentExtension();
const Prefs = Me.imports.prefs;
var DEBUG = false;
var logWrap;
if (log != undefined) {
logWrap = log;
}
else {
logWrap = global.log
}
let cards;
function getCard(card_index) {
if (!cards || Object.keys(cards).length == 0) {
refreshCards();
}
return cards[card_index];
}
function getCardByName(card_name) {
if (!cards || Object.keys(cards).length == 0) {
refreshCards();
}
return Object.keys(cards).map((index) => cards[index]).find(({ name }) => name === card_name);
}
function getProfiles(control, uidevice) {
let stream = control.lookup_stream_id(uidevice.get_stream_id());
if (stream) {
if (!cards || Object.keys(cards).length == 0 || !cards[stream.card_index]) {
refreshCards();
}
if (cards && cards[stream.card_index]) {
_log("Getting profile form stream id " + uidevice.port_name);
let profiles;
if ((profiles = getProfilesForPort(uidevice.port_name, cards[stream.card_index]))) {
return profiles;
}
}
}
else {
/* Device is not active device, lets try match with port name */
refreshCards();
for (let card of Object.values(cards)) {
let profiles;
_log("Getting profile from cards " + uidevice.port_name + " for card id " + card.id);
if ((profiles = getProfilesForPort(uidevice.port_name, card))) {
return profiles;
}
}
}
return [];
}
let ports;
function getPorts(refresh) {
if (!ports || ports.length == 0 || refresh) {
refreshCards();
}
return ports;
}
function isCmdFound(cmd) {
try {
let [result, out, err, exit_code] = GLib.spawn_command_line_sync(cmd);
return true;
}
catch (e) {
_log("ERROR: " + cmd + " execution failed. " + e);
return false;
}
}
function refreshCards() {
cards = {};
ports = [];
let _settings = ExtensionUtils.getSettings();
let error = false;
let newProfLogic = _settings.get_boolean(Prefs.NEW_PROFILE_ID_DEPRECATED);
/** This block should be removed in the next release along the setting schema correct */
if (!newProfLogic) {
_settings.set_boolean(Prefs.NEW_PROFILE_ID, false);
_settings.reset(Prefs.NEW_PROFILE_ID_DEPRECATED);
}
else {
newProfLogic = _settings.get_boolean(Prefs.NEW_PROFILE_ID);
}
if (newProfLogic) {
_log("New logic");
let pyLocation = Me.dir.get_child("utils/pa_helper.py").get_path();
let pythonExec = ["python", "python3", "python2"].find(cmd => isCmdFound(cmd));
if (!pythonExec) {
_log("ERROR: Python not found. fallback to default mode");
_settings.set_boolean(Prefs.NEW_PROFILE_ID, false);
Gio.Settings.sync();
newProfLogic = false;
}
else {
try {
_log("Python found." + pythonExec);
let [result, out, err, exit_code] = GLib.spawn_command_line_sync(pythonExec + " " + pyLocation);
// _log("result" + result +" out"+out + " exit_code" +
// exit_code + "err" +err);
if (result && !exit_code) {
if (out instanceof Uint8Array) {
out = ByteArray.toString(out);
}
let obj = JSON.parse(out);
cards = obj["cards"];
ports = obj["ports"];
}
}
catch (e) {
error = true;
_log("ERROR: Python execution failed. fallback to default mode" + e);
_settings.set_boolean(Prefs.NEW_PROFILE_ID, false);
Gio.Settings.sync();
}
}
}
//error = true;
if (!newProfLogic || error) {
_log("Old logic");
try {
let env = GLib.get_environ();
env = GLib.environ_setenv(env, "LANG", "C", true);
let [result, out, err, exit_code] = GLib.spawn_sync(null, ["pactl", "list", "cards"], env, GLib.SpawnFlags.SEARCH_PATH, null);
//_log(result+"--"+out+"--"+ err+"--"+ exit_code)
if (result && !exit_code) {
parseOutput(out);
}
}
catch (e) {
_log("ERROR: pactl execution failed. No ports/profiles will be displayed." + e);
}
}
//_log(Array.isArray(cards));
//_log(JSON.stringify(cards));
//_log(Array.isArray(ports));
//_log(JSON.stringify(ports));
}
function parseOutput(out) {
let lines;
if (out instanceof Uint8Array) {
lines = ByteArray.toString(out).split("\n");
} else {
lines = out.toString().split("\n");
}
let cardIndex;
let parseSection = "CARDS";
let port;
let matches;
// _log("Unmatched line:" + out);
while (lines.length > 0) {
let line = lines.shift();
if ((matches = /^Card\s#(\d+)$/.exec(line))) {
cardIndex = matches[1];
if (!cards[cardIndex]) {
cards[cardIndex] = { "index": cardIndex, "profiles": [], "ports": [] };
}
}
else if ((matches = /^\t*Name:\s+(.*?)$/.exec(line)) && cards[cardIndex]) {
cards[cardIndex].name = matches[1];
parseSection = "CARDS"
}
else if (line.match(/^\tProperties:$/) && parseSection == "CARDS") {
parseSection = "PROPS";
}
else if (line.match(/^\t*Profiles:$/)) {
parseSection = "PROFILES";
}
else if (line.match(/^\t*Ports:$/)) {
parseSection = "PORTS";
}
else if (cards[cardIndex]) {
switch (parseSection) {
case "PROPS":
if ((matches = /alsa\.card_name\s+=\s+"(.*?)"/.exec(line))) {
cards[cardIndex].alsa_name = matches[1];
}
else if ((matches = /device\.description\s+=\s+"(.*?)"/.exec(line))) {
cards[cardIndex].card_description = matches[1];
}
break;
case "PROFILES":
if ((matches = /.*?((?:output|input)[^+]*?):\s(.*?)\s\(sinks:.*?(?:available:\s*(.*?))*\)/.exec(line))) {
let availability = matches[3] ? matches[3] : "yes" //If no availability in out, assume profile is available
cards[cardIndex].profiles.push({
"name": matches[1],
"human_name": matches[2],
"available": (availability === "yes") ? 1 : 0
});
}
break;
case "PORTS":
if ((matches = /\t*(.*?):\s(.*)\s\(.*?priority:/.exec(line))) {
port = {
"name": matches[1],
"human_name": matches[2],
"card_name": cards[cardIndex].name,
"card_description": cards[cardIndex].card_description
};
cards[cardIndex].ports.push(port);
ports.push(port);
}
else if (port && (matches = /\t*Part of profile\(s\):\s(.*)/.exec(line))) {
let profileStr = matches[1];
port.profiles = profileStr.split(", ");
port = null;
}
break;
}
}
}
if (ports) {
ports.forEach(p => {
p.direction = p.profiles
.filter(pr => pr.indexOf("+input:") == -1)
.some(pr => (pr.indexOf("output:") >= 0)) ? "Output" : "Input";
});
}
}
var Signal = class Signal {
constructor(signalSource, signalName, callback) {
this._signalSource = signalSource;
this._signalName = signalName;
this._signalCallback = callback;
}
connect() {
this._signalId = this._signalSource.connect(this._signalName, this._signalCallback);
}
disconnect() {
if (this._signalId) {
this._signalSource.disconnect(this._signalId);
this._signalId = null;
}
}
}
var SignalManager = class SignalManager {
constructor() {
this._signalsBySource = new Map();
}
addSignal(signalSource, signalName, callback) {
let obj = null;
if (signalSource && signalName && callback) {
obj = new Signal(signalSource, signalName, callback);
obj.connect();
if (!this._signalsBySource.has(signalSource)) {
this._signalsBySource.set(signalSource, []);
}
this._signalsBySource.get(signalSource).push(obj)
//_log(this._signalsBySource.get(signalSource).length + "Signal length");
}
return obj;
}
disconnectAll() {
this._signalsBySource.forEach(signals => this._disconnectSignals(signals));
}
disconnectBySource(signalSource) {
if (this._signalsBySource.has(signalSource)) {
this._disconnectSignals(this._signalsBySource.get(signalSource));
}
}
_disconnectSignals(signals) {
while (signals.length) {
var signal = signals.shift();
signal.disconnect();
signal = null;
}
}
}
function getProfilesForPort(portName, card) {
if (card.ports) {
let port = card.ports.find(port => (portName === port.name));
if (port) {
if (port.profiles) {
return card.profiles.filter(profile => (
profile.name.indexOf("+input:") == -1
&& profile.available === 1
&& port.profiles.includes(profile.name)
));
}
}
}
return null;
}
function setLog(value) {
DEBUG = value;
}
function _log(msg) {
if (DEBUG == true) {
// global.log("SDC Debug: " + msg);
logWrap("SDC Debug: " + msg);
}
}
function dump(obj) {
var propValue;
for (var propName in obj) {
try {
propValue = obj[propName];
_log(propName + "=" + propValue);
}
catch (e) { _log(propName + "!!!Error!!!"); }
}
}