293 lines
9.3 KiB
JavaScript
293 lines
9.3 KiB
JavaScript
/*******************************************************************************
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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* *****************************************************************************
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* Original Author: Gopi Sankar Karmegam
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******************************************************************************/
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/* jshint moz:true */
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const ByteArray = imports.byteArray;
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const Gio = imports.gi.Gio;
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const GLib = imports.gi.GLib;
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const ExtensionUtils = imports.misc.extensionUtils;
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const Me = ExtensionUtils.getCurrentExtension();
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const Prefs = Me.imports.prefs;
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var DEBUG = false;
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/**
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* getSettings:
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*
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* @schema: (optional): the GSettings schema id Builds and return a GSettings
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* schema for
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* @schema, using schema files in extensions dir/schemas. If
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* @schema is not provided, it is taken from metadata['settings-schema'].
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*/
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function getSettings(schema) {
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let extension = ExtensionUtils.getCurrentExtension();
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schema = schema || extension.metadata['settings-schema'];
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const GioSSS = Gio.SettingsSchemaSource;
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// check if this extension was built with "make zip-file", and thus
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// has the schema files in a sub-folder
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// otherwise assume that extension has been installed in the
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// same prefix as gnome-shell (and therefore schemas are available
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// in the standard folders)
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let schemaDir = extension.dir.get_child('schemas');
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let schemaSource;
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if (schemaDir.query_exists(null))
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schemaSource = GioSSS.new_from_directory(schemaDir.get_path(),GioSSS.get_default(),false);
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else
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schemaSource = GioSSS.get_default();
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let schemaObj = schemaSource.lookup(schema, true);
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if (!schemaObj)
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throw new Error('Schema ' + schema + ' could not be found for extension '
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+ extension.metadata.uuid + '. Please check your installation.');
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let _settings = new Gio.Settings({ settings_schema: schemaObj });
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return _settings;
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}
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let cards;
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function getProfiles(control, uidevice)
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{
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let stream = control.lookup_stream_id(uidevice.get_stream_id());
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if(stream) {
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if(!cards || Object.keys(cards).length == 0 || !cards[stream.card_index]) {
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refreshCards();
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}
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if(cards && cards[stream.card_index]) {
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log("Getting profile form stream id " + uidevice.port_name );
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return getProfilesForPort(uidevice.port_name, cards[stream.card_index]);
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}
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}
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else
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{
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/* Device is not active device, lets try match with port name */
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refreshCards();
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for (let id in cards) {
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let profiles;
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log("Getting profile from cards " + uidevice.port_name + " for card id " + id);
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if((profiles = getProfilesForPort(uidevice.port_name, cards[id])))
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{
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return profiles;
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}
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}
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}
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return null;
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}
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let ports;
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function getPorts(refresh) {
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if(!ports || ports.length == 0 || refresh) {
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refreshCards();
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}
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return ports;
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}
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function refreshCards() {
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cards = {};
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ports = [];
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// if(_settings == null) {getSettings(Prefs.SETTINGS_SCHEMA);}
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let _settings = getSettings(Prefs.SETTINGS_SCHEMA);
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let error = false;
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if(_settings.get_boolean(Prefs.NEW_PROFILE_ID)) {
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log("New logic");
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let pyLocation = Me.dir.get_child('utils/pa_helper.py').get_path();
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try {
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let [result, out, err, exit_code] = GLib.spawn_command_line_sync('python ' + pyLocation);
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// log("result" + result +" out"+out + " exit_code" + exit_code + "
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// err" +err);
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if(result && !exit_code) {
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if (out instanceof Uint8Array) {
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out = ByteArray.toString(out);
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}
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let obj = JSON.parse(out);
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cards = obj['cards'];
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ports = obj['ports'];
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}
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}
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catch(e) {
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error = true;
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log('ERROR: Python execution failed. fallback to default mode');
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_settings.set_boolean(Prefs.NEW_PROFILE_ID, false);
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Gio.Settings.sync();
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}
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}
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if(!_settings.get_boolean(Prefs.NEW_PROFILE_ID) || error){
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try {
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let [result, out, err, exit_code] = GLib.spawn_command_line_sync('pactl list cards');
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if(result && !exit_code) {
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parseOutput(out);
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}
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}
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catch(e) {
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log('ERROR: pactl execution failed. No ports/profiles will be displayed');
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}
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}
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// log(JSON.stringify(cards));
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// log(JSON.stringify(ports));
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}
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function parseOutput(out) {
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let lines;
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if (out instanceof Uint8Array) {
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lines = ByteArray.toString(out).split('\n');
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} else {
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lines = out.toString().split('\n');
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}
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let cardIndex;
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let parseSection = "CARDS";
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let port;
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let matches;
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// log("Unmatched line:" + out);
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while(lines.length > 0) {
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let line = lines.shift();
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if( (matches = /^Card\s#(\d+)$/.exec(line) )) {
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cardIndex = matches[1];
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if(!cards[cardIndex]) {
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cards[cardIndex] = {'index':cardIndex,'profiles':[], 'ports':[]};
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}
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}
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else if (line.match(/^\t*Profiles:$/) ) {
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parseSection = "PROFILES";
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}
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else if (line.match(/^\t*Ports:$/)) {
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parseSection = "PORTS";
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}
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else if(cards[cardIndex]) {
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switch(parseSection) {
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case "PROFILES":
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if((matches = /.*?((?:output|input)[^+]*?):\s(.*?)\s\(sinks:/.exec(line))) {
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cards[cardIndex].profiles.push({'name': matches[1], 'human_name': matches[2]});
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}
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break;
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case "PORTS":
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if((matches = /\t*(.*?):\s(.*?)\s\(priority:/.exec(line))) {
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port = {'name' : matches[1], 'human_name' : matches[2]};
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cards[cardIndex].ports.push(port);
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ports.push({'name' : matches[1], 'human_name' : matches[2]});
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}
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else if( port && (matches = /\t*Part of profile\(s\):\s(.*)/.exec(line))) {
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let profileStr = matches[1];
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port.profiles = profileStr.split(', ');
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port = null;
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}
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break;
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}
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}
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}
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}
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var Signal = class Signal {
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constructor(signalSource, signalName, callback) {
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this._signalSource = signalSource;
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this._signalName = signalName;
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this._signalCallback = callback;
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}
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connect() {
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this._signalId = this._signalSource.connect(this._signalName, this._signalCallback);
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}
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disconnect() {
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if(this._signalId) {
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this._signalSource.disconnect(this._signalId);
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this._signalId = null;
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}
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}
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}
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var SignalManager = class SignalManager {
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constructor() {
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this._signals = [];
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this._signalsBySource = {};
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}
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addSignal(signalSource, signalName, callback) {
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let obj = null;
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if(signalSource && signalName && callback) {
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obj = new Signal(signalSource, signalName, callback);
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obj.connect();
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this._signals.push(obj);
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let sourceSignals = this._signalsBySource[signalSource]
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if(!sourceSignals) {
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sourceSignals = [];
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this._signalsBySource[signalSource] = sourceSignals;
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}
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// this._signalsBySource[signalSource].push(obj)
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sourceSignals.push(obj);
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}
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return obj;
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}
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disconnectAll() {
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for (let signal of this._signals){
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signal.disconnect();
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}
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}
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disconnectBySource(signalSource) {
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if(this._signalsBySource[signalSource]) {
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for (let signal of this._signalsBySource[signalSource]) {
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signal.disconnect();
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}
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}
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}
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}
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function getProfilesForPort(portName, card) {
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if(card.ports) {
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for (let port of card.ports) {
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if(portName === port.name) {
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let profiles = [];
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if (port.profiles) {
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for (let profile of port.profiles) {
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if(profile.indexOf('+input:') == -1) {
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for (let cardProfile of card.profiles) {
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if(profile === cardProfile.name) {
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profiles.push(cardProfile);
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}
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}
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}
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}
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}
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return profiles;
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}
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}
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}
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return null;
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}
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function setLog(value) {
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DEBUG = value;
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}
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function log(msg) {
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if ( DEBUG == true ) {
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global.log("SDC Debug: " + msg);
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}
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}
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