mcopy/app/lib/display/index.js

'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
const path = require("path");
const spawn = require("spawn");
const delay = require("delay");
const { BrowserWindow } = require('electron');
let wv;
let cp;
let system = {};
let digitalWindow;
let TMPDIR;
class WebView {
    constructor() {
    }
    async open() {
        digitalWindow = new BrowserWindow({
            webPreferences: {
                nodeIntegration: true,
                allowRunningInsecureContent: false,
                'unsafe-eval': false
            },
            width: 800,
            height: 600,
            minWidth: 800,
            minHeight: 600 //,
            //icon: path.join(__dirname, '../../assets/icons/icon.png')
        });
        digitalWindow.loadURL('file://' + __dirname + '../../../display.html');
        if (process.argv.indexOf('-d') !== -1 || process.argv.indexOf('--dev') !== -1) {
            digitalWindow.webContents.openDevTools();
        }
        digitalWindow.on('closed', () => {
            digitalWindow = null;
        });
    }
    async fullScreen() {
        return digitalWindow.setFullScreen(true);
    }
    async setImage(src) {
        return digitalWindow.webContents.send('display', { src });
    }
    async setMeter() {
        return digitalWindow.webContents.send('display', { meter: true });
    }
    async setGrid() {
        return digitalWindow.webContents.send('display', { grid: true });
    }
    async close() {
        if (digitalWindow) {
            digitalWindow.close();
        }
        return true;
    }
    async move() {
    }
}
function padded_frame(i) {
    let len = (i + '').length;
    let str = i + '';
    for (let x = 0; x < 5 - len; x++) {
        str = '0' + str;
    }
    return str;
}
async function display_eog(src) {
    //timeout 3 eog --fullscreen ${src}
    cp = spawn('eog', ['--fullscreen', src]);
}
async function display_wv(src) {
    await wv.open();
    await wv.fullScreen();
    await delay(200);
    await wv.setImage(src);
}
async function end() {
    if (system.platform !== 'nix') {
        await wv.close();
    }
    else {
        if (cp)
            cp.kill();
    }
}
async function start(frame) {
    let padded = padded_frame(frame);
    let ext = 'tif';
    let tmppath;
    if (system.platform !== 'nix') {
        ext = 'png';
    }
    tmppath = path.join(TMPDIR, `export-${padded}.${ext}`);
    if (system.platform !== 'nix') {
        display_wv(tmppath);
    }
    else {
        display_eog(tmppath);
    }
}
module.exports = function (sys) {
    system = sys;
    TMPDIR = path.join(system.tmp, 'mcopy_digital');
    if (system.platform !== 'nix') {
        wv = new WebView();
    }
    else {
        //child process
    }
    return {
        start,
        end
    };
};
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