196 lines
5.6 KiB
JavaScript
196 lines
5.6 KiB
JavaScript
document.addEventListener('DOMContentLoaded', function() {
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wde = new WebDesktopEnvironment
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WebDesktopEnvironment.Open("finder")
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// WebDesktopEnvironment.Open("personal-properties")
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}, false);
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class WebDesktopEnvironment{
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static Applications = {};
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constructor(){
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this.wc = new WindowsCompositor
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//Get basic window ready frame
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fetch(`${window.location.origin}/system/wde/getbasicwindow`) //TODO Move to wde func
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.then((response) => response.text())
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.then((html) => {
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WebDesktopEnvironment.SetBasicWindow(html)
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})
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.catch((error) => {
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WebDesktopEnvironment.Alert(error);
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});
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}
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/**
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* @param {string} appId
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* @param {function} func callback after script loading
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* @returns {Application | undefined}
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*/
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static LoadApp(appId, func){
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console.log(`Load application ${appId}`)
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let appDiv = document.createElement("application")
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appDiv.setAttribute("id", `application-${appId}`)
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document.getElementById("WindowsLayer").appendChild(appDiv)
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let script = document.createElement("script")
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script.setAttribute("id", `application-script-${appId}`)
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script.setAttribute("src", `${window.location.origin}/system/applications/${appId}/app.js`)
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script.setAttribute("async", "false")
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let appElem = document.getElementById("Applications").appendChild(script)
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script.addEventListener('load', (event) =>{
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switch (appId) {
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case "finder":
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let newFinderApp = new Finder()
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this.Applications[appId] = newFinderApp
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func()
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return newFinderApp
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case "personal-properties":
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let newPersonalPropertiesApp = new PersonalProperties()
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this.Applications[appId] = newPersonalPropertiesApp
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func()
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return newPersonalPropertiesApp
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case "img-viewer":
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let newImgViewer = new ImgViewer()
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this.Applications[appId] = newImgViewer
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func()
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return newImgViewer
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default:
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break;
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}
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})
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}
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/**
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* @param {string} appId
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* @param {string[]} args
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*/
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static Open(appId, args){
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if (this.Applications[appId] == undefined){
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console.log(`Application ${appId} is not loaded yet`)
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WebDesktopEnvironment.LoadApp(appId, () =>{
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this.Applications[appId].NewWindow(args)
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// console.log(this.Applications)
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})
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} else {
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this.Applications[appId].NewWindow(args)
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}
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}
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/**
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* @param {string} appId
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* @param {number} width
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* @param {number} height
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* @returns {HTMLElement}
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*/
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static CreateNewWindow(appId, width, height) {
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let appElem = document.getElementById(`application-${appId}`)
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let newWindow = document.createElement("div")
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newWindow.setAttribute("class", "StandartApplicationWindow")
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newWindow.style.position = "absolute"
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newWindow.style.width = width.toString() + "px"
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newWindow.style.height = height.toString() + "px"
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return appElem.appendChild(newWindow)
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}
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/**
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* @param {HTMLElement} window
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*/
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static CloseWindow(window) {
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let app = window.parentElement
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window.remove()
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// console.log(app.childElementCount)
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// if (app.childElementCount < 2){
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// console.log(app)
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// app.remove()
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// }
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}
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/**
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* @param {string} html
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*/
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static SetBasicWindow(html){
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this.basicWindow = html
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}
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/**
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* @returns {string}
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*/
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static GetBasicWindow(){
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// console.log(this.basicWindow)
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return this.basicWindow
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}
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/**
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* @param {string} alertText
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*/
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static Alert(alertText){
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console.log(alertText)
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}
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}
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var getJSON = function(url, callback) {
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var xhr = new XMLHttpRequest();
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xhr.open('GET', url, true);
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xhr.responseType = 'json';
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xhr.onload = function() {
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var status = xhr.status;
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if (status === 200) {
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callback(null, xhr.response);
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} else {
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callback(status, xhr.response);
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}
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};
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xhr.send();
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};
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class WindowsCompositor{
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movingElement = null
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constructor(){
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console.log("Windows Compositor is online :)");
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addEventListener("mousedown", (event) => {
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this.catchClick(event)
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})
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addEventListener("mouseup", (event) => {
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this.movingElement = null
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})
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addEventListener("mousemove", (event) => {
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if (this.movingElement != null) {
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this.dragElement(this.movingElement, event.clientX, event.clientY)
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} else {
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}
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})
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}
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/**
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* @param {MouseEvent} event
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*/
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catchClick(event){
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switch (true) {
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case event.target.className == "WindowFrameTopBar":
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this.movingElement = event.target.parentElement
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// console.log(this.movingElement)
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break;
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default:
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break;
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}
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}
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/**
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* @param {HTMLDivElement} element
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* @param {number} posX
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* @param {number} posY
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*/
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dragElement(element, posX, posY) { //TODO
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console.log()
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element.style.left = (posX - element.clientWidth*0.5)+ "px";
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element.style.top = (posY - element.children[0].clientHeight*0.5) + "px";
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}
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}
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