launcher/app/main/windows/main.js

const {MAIN_WINDOW_FLAG, MAIN_WINDOW_URL} = require("../constant")
const {createWindow} = require('./lib/common')
const {BrowserWindow} = require('electron')
const {create: createSuspensionWindow} = require('./suspension');
const screen = require("./screen.json");
const create = () => {
    const windows = BrowserWindow.getAllWindows()
    const found = windows.find((window) => {
        return window[MAIN_WINDOW_FLAG]
    })

    if (found) {
        found.show();
        found.center();
        found.maximize();
        return found;
    } else {
        let areaSize = require('electron').screen.getPrimaryDisplay().workAreaSize;
        let width = areaSize.width;
        let height = areaSize.height;
        let resizable = true;
        if (screen.width > 0 && screen.height > 0) {
            const ratios = screen.width / screen.height;
            height = areaSize.height;
            width = Math.floor(areaSize.height * ratios);
            resizable = false;
        }
        const win = createWindow(MAIN_WINDOW_URL, {
            //alwaysOnTop: true, //窗口是否总是显示在其他窗口之前
            fullscreen: true,
            offScreen: false,
            frame: false,  //要创建无边框窗口
            width: width, //悬浮窗口的宽度 比实际DIV的宽度要多2px 因为有1px的边框
            height: height, //悬浮窗口的高度 比实际DIV的高度要多2px 因为有1px的边框
            resizable: resizable, //禁止窗口大小缩放
            show: false,  //先不让窗口显示
            backgroundColor: "#0a0a0a"
        })
        win[MAIN_WINDOW_FLAG] = true

        win.on('ready-to-show', () => {
            win.show();
        });
        win.on('hide', () => {
            createSuspensionWindow();
        });
        return create();
    }
}


module.exports = {create}