239 lines
6.9 KiB
JavaScript
239 lines
6.9 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", { value: true });
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const Log = require("log");
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const electron_1 = require("electron");
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/** @module lib/sequencer **/
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let seq;
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class Sequencer {
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/**
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* @constructor
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* Create a new sequencer and assign command and UI as private sub-classes
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*
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* @param {object} cfg Configuration object
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* @param {object} cmd Shared command class
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* @param {object} ui Electron UI, browser window
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**/
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constructor(cfg, cmd, ui) {
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this.running = false;
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this.paused = false;
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this.grid = [];
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this.gridLoops = 1;
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this.arr = []; //store sequence from gui
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this.loops = 1;
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this.CMDS = {};
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this.id = 'sequence';
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this.alerted = false;
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this.cfg = cfg;
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this.cmd = cmd;
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this.ui = ui;
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this.cmds(cfg.cmd);
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this.init();
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}
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/**
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* Take configuration object and assign all commands as keys
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* in the internal CMDS object.
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*
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* @param {object} obj Configuration object
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**/
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cmds(obj) {
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let keys = Object.keys(obj);
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for (let key of keys) {
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this.CMDS[obj[key]] = key;
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}
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//
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//
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}
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/**
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* Initialize the class by requiring ipcMain from electron
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* and creating logger.
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*
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**/
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async init() {
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this.log = await Log({ label: this.id });
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this.ipc = require('electron').ipcMain;
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this.listen();
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}
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/**
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* Bind ipc listener to channel 'sequencer' or current id of
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* class.
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**/
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listen() {
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this.ipc.on(this.id, this.listener.bind(this));
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}
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/**
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* Listener callback function. Called whenever ipc
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* message is sent to channel 'sequencer'.
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*
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* @param {object} event IPC message event
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* @param {object} arg Arguments provided in message
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**/
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async listener(event, arg) {
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if (arg && arg.start) {
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this.start(arg);
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}
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else if (arg && arg.stop) {
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this.stop();
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}
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else if (arg && arg.pause) {
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this.pause();
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}
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else if (arg && arg.set) {
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this.setSteps(arg.set);
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}
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else if (arg && arg.unset) {
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this.unsetSteps(arg.unset);
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}
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else if (arg && arg.loops) {
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this.setLoops(arg.loops);
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}
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event.returnValue = true;
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}
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/**
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* Sets the value of the loops in the grid sequence
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* to value sent by UI in ipc message.
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*
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* @param {integer} count Number of loops to set grid sequence to
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**/
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setLoops(count) {
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this.gridLoops = count;
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this.log.info(`Set loop count to ${count}`);
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}
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/**
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* Sets multiple steps at once
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*
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* @param {array} steps Array of steps to set or update
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**/
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setSteps(steps) {
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for (let step of steps) {
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this.grid[step.x] = step;
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}
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}
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/**
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* Resets multiple steps to default 'undefined' state
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*
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* @param {array} steps Array containing the x location of steps to unset
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**/
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unsetSteps(steps) {
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for (let x of steps) {
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this.grid[x] = undefined;
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}
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}
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/**
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* Starts a sequence with the existing grid sequence,
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* or if one is provided in the arg object, starts
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* that sequence.
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*
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* @param {object} arg Arguments from ipc message
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**/
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async start(arg) {
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const psbId = electron_1.powerSaveBlocker.start('prevent-display-sleep');
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let startTime = +new Date();
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let ms;
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if (arg && arg.arr) {
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this.arr = arg.arr; //overwrite sequence
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}
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else {
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this.arr = this.grid;
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}
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if (arg && arg.loops) {
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this.loops = arg.loops; //overwrite loops
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}
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else {
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this.loops = this.gridLoops;
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}
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this.running = true;
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this.paused = false;
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//start sequence
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this.log.info(`Starting sequence...`);
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this.ui.send(this.id, { start: true });
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if (this.cmd.proj.filmout.state.enabled === true && !this.cmd.proj.filmout.server.useServer()) {
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await this.cmd.proj.filmout.display.open();
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}
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for (let x = 0; x < this.loops; x++) {
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//start loop
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this.log.info(`Starting loop ${x + 1}`);
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this.ui.send(this.id, { loop: x, start: true });
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for (let y = 0; y < this.arr.length; y++) {
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//start step
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if (!this.running) {
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break;
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}
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//UI initiates pause, not planned
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while (this.paused) {
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await delay(42);
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}
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if (typeof this.arr[y] === 'undefined') {
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continue;
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}
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this.log.info(`Starting step ${y + 1} of loop ${x + 1}`);
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this.ui.send(this.id, { step: y, loop: x, start: true });
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await this.step(y);
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//end step
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this.log.info(`Ended step ${y + 1} of loop ${x + 1}`);
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this.ui.send(this.id, { step: y, loop: x, stop: true });
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}
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if (!this.running) {
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break;
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}
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//end loop
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this.log.info(`Ended loop ${x + 1}`);
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this.ui.send(this.id, { loop: x, stop: true });
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}
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if (this.cmd.proj.filmout.state.enabled === true && !this.cmd.proj.filmout.server.useServer()) {
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await this.cmd.proj.filmout.display.close();
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}
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electron_1.powerSaveBlocker.stop(psbId);
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this.psbId = null;
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ms = (+new Date()) - startTime;
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//end sequence
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this.log.info(`Ended sequence`);
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this.ui.send(this.id, { stop: true, ms });
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}
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/**
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* Pauses sequence from UI.
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**/
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pause() {
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this.paused = true;
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}
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/**
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* Stops the sequence
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**/
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stop() {
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if (this.cmd.proj.filmout.state.enabled === true) {
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this.cmd.proj.filmout.display.close();
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}
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this.running = false;
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if (this.psbId) {
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electron_1.powerSaveBlocker.stop(this.psbId);
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}
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//clear?
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}
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/**
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* Execute command @ step x. Wrapper with try catch.
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*
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* @param {integer} x Step to execute command at
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**/
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async step(x) {
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try {
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await this.cmdExec(x);
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}
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catch (err) {
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throw err;
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}
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}
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/**
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* Locate step @ position x and execute the command.
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*
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* @param {integer} x Step to execute command at
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**/
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async cmdExec(x) {
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const cmdOriginal = this.arr[x].cmd;
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const cmd = this.CMDS[cmdOriginal];
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this.log.info(`CMD: '${cmdOriginal}' -> ${cmd}`);
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return await this.cmd[cmd](this.arr[x]);
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}
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}
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module.exports = function (cfg, cmd, ui) {
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return new Sequencer(cfg, cmd, ui);
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};
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//# sourceMappingURL=index.js.map
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