mcopy/app/lib/proj/index.js

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/** class representing the Projector features **/
class Projector {
/**
*
**/
constructor(arduino, cfg, ui, dig) {
this.state = { dir: true, digital: false };
this.arduino = null;
this.arduino = arduino;
this.cfg = cfg;
this.ui = ui;
this.dig = dig;
this.init();
}
/**
*
**/
async init() {
this.log = await require('log')({});
this.ipc = require('electron').ipcMain;
this.listen();
}
/**
*
**/
listen() {
this.ipc.on('proj', this.listener.bind(this));
this.ipc.on('digital', this.connectDigital.bind(this));
}
/**
*
**/
async set(dir, id) {
let cmd;
let ms;
if (dir) {
cmd = this.cfg.arduino.cmd.proj_forward;
}
else {
cmd = this.cfg.arduino.cmd.proj_backward;
}
this.state.dir = dir;
if (this.state.digital) {
//this.dig.set(dir)
}
else {
try {
ms = await this.arduino.send('projector', cmd);
}
catch (err) {
this.log.error('Error setting projector direction', err);
}
}
return await this.end(cmd, id, ms);
}
/**
*
**/
async move(frame, id) {
const cmd = this.cfg.arduino.cmd.projector;
let ms;
if (this.state.digital) {
try {
//ms = await this.dig.move()
}
catch (err) {
this.log.error(err);
}
}
else {
try {
ms = await this.arduino.send('projector', cmd);
}
catch (err) {
this.log.error('Error moving projector', err);
}
}
this.log.info('Projector move time', { ms });
return await this.end(this.cfg.arduino.cmd.projector, id, ms);
}
/**
*
**/
async listener(event, arg) {
if (typeof arg.dir !== 'undefined') {
try {
await this.set(arg.dir, arg.id);
}
catch (err) {
this.log.error(err);
}
}
else if (typeof arg.frame !== 'undefined') {
try {
await this.move(arg.frame, arg.id);
}
catch (err) {
this.log.error(err);
}
}
else if (typeof arg.val !== 'undefined') {
this.dig.state.frame = arg.val;
}
event.returnValue = true;
}
/**
*
**/
async end(cmd, id, ms) {
let message = '';
if (cmd === this.cfg.arduino.cmd.proj_forward) {
message = 'Projector set to FORWARD';
}
else if (cmd === this.cfg.arduino.cmd.proj_backward) {
message = 'Projector set to BACKWARD';
}
else if (cmd === this.cfg.arduino.cmd.projector) {
message = 'Projector ';
if (this.state.dir) {
message += 'ADVANCED';
}
else {
message += 'REWOUND';
}
message += ' 1 frame';
}
this.log.info(message, 'PROJECTOR');
return await this.ui.send('proj', { cmd: cmd, id: id, ms: ms });
}
/**
* Use a file as the "digital" source on "projector"
*
**/
async connectDigital(evt, arg) {
let info;
let frames = 0;
try {
info = await this.dig.ffprobe.info(arg.path);
}
catch (err) {
this.log.error(err, 'DIGITAL', true, true);
this.state.digital = false;
await this.ui.send('digital', { valid: false });
return false;
}
try {
frames = await this.dig.ffprobe.frames(arg.path);
}
catch (err) {
this.log.error(err, 'DIGITAL', true, true);
this.state.digital = false;
await this.ui.send('digital', { valid: false });
return false;
}
this.dig.state.frame = 0;
this.dig.state.path = arg.path;
this.dig.state.fileName = arg.fileName;
this.dig.state.frames = frames;
this.dig.state.info = info;
this.log.info(`Opened ${this.dig.state.fileName}`, 'DIGITAL', true, true);
this.log.info(`Frames : ${frames}`, 'DIGITAL', true, true);
this.state.digital = true;
return await this.ui.send('digital', { valid: true, state: JSON.stringify(this.dig.state) });
}
}
module.exports = function (arduino, cfg, ui, dig) {
return new Projector(arduino, cfg, ui, dig);
};
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