mcopy/app/lib/system/index.js

96 lines
2.4 KiB
JavaScript

'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
const os_1 = require("os");
const electron_1 = require("electron");
//private
const exec_1 = require("exec");
/**
* Evaluates system dependencies for digital
* projector features by executing processes with
* --help flag. If they do not exist, log to console
*
* @param {string} platform Operating system type
**/
async function dependencies(platform) {
let obj = {};
try {
await exec_1.exec('ffmpeg -h');
obj.ffmpeg = 'ffmpeg';
}
catch (err) {
//return exit('ffmpeg is not installed', 3);
return console.error('ffmpeg is not installed', err);
}
//if linux
if (platform === 'nix') {
try {
await exec_1.exec('eog -h');
obj.eog = 'eog';
}
catch (err) {
//return exit('eog is not installed', 4);
return console.error('eog is not installed', err);
}
}
return obj;
}
function displayMap(obj) {
const sm = {
width: obj.size.width,
height: obj.size.height,
x: obj.bounds.x,
y: obj.bounds.y,
scale: obj.scaleFactor,
primary: (obj.bounds.x === 0 && obj.bounds.y === 0)
};
const primary = sm.primary ? ' (Primary)' : '';
sm.name = `${sm.width}x${sm.height}${primary}`;
return sm;
}
function displaySort(a, b) {
if (a.primary) {
return -1;
}
else if (b.primary) {
return 1;
}
return 0;
}
async function displays() {
let displays = electron_1.screen.getAllDisplays();
displays = displays.map(displayMap);
displays.sort(displaySort);
return displays;
}
/**
* Profile the current system and return an object with
* data about the displays and dependencies for the digital
* projector feature.
*
* @returns {object} Object containing system information
*/
async function system() {
const obj = {};
let platform;
try {
obj.tmp = os_1.tmpdir();
}
catch (err) {
obj.tmp = '/tmp';
}
platform = os_1.type();
if (platform === 'Darwin') {
obj.platform = 'osx';
}
else if (platform === 'Windows_NT') {
obj.platform = 'win';
}
else {
obj.platform = 'nix';
}
obj.displays = await displays();
obj.deps = await dependencies(obj.platform);
return obj;
}
module.exports = system;
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