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windows.html
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<!DOCTYPE HTML>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<title>Window Management Demo</title>
<meta name="Description" content=""/>
<!--[if IE]>
<script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<style>
:root {
--scale: 0.5;
}
body {
margin: 0;
}
html, body {
height: 100%;
}
#output {
position: absolute;
top: 0;
left: 0;
opactity: 0.4;
}
.primary #monitor {
width: calc(var(--width) * var(--scale) * 1px);
height: calc(var(--height) * var(--scale) * 1px);
border: 1px solid green;
position: relative;
overflow: hidden;
}
.window {
background: red;
border: 2px solid black;
position: absolute;
left: calc(var(--left) * var(--scale) * 1px);
top: calc(var(--top) * var(--scale) * 1px);
width: calc(var(--width) * var(--scale) * 1px);
height: calc(var(--height) * var(--scale) * 1px);
transition: all 0.5s linear;
}
</style>
<script src="https://cdn.jsdelivr.net/npm/sysend"></script>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
</head>
<body>
<pre id="output"></pre>
<div id="monitor"></div>
<script>
function geometry() {
const left = window.screenX;
const top = window.screenY;
const width = window.innerWidth;
const height = window.innerHeight;
return {
top,
left,
width,
height
};
}
function log(message) {
if (typeof message === 'object') {
message = JSON.stringify(message);
}
if (output.innerHTML) {
message = '\n' + message;
}
output.innerHTML += message;
}
function same(a, b) {
return a.every((element, i) => {
return b[i] === element;
});
}
function diff(a, b) {
var keys_a = Object.keys(b).sort();
var keys_b = Object.keys(a).sort();
if (!same(keys_a, keys_b)) {
return true;
}
var diff = keys_a.filter(key_a => {
return a[key_a] !== b[key_a];
});
return diff.length > 0;
}
function sendToPrimary(data) {
return sysend.list().then(list => {
console.log(list);
return list.find(window => window.primary);
}).then(primary => {
sysend.post(primary.id, data);
});
}
class EventEmitter {
constructor() {
this.hadlers = {};
}
on(event, handler) {
if (typeof handler === 'function') {
this.hadlers[event] ??= [];
this.hadlers[event].push(handler);
}
}
trigger(event, ...args) {
this.hadlers[event].forEach(fn => {
fn?.(...args);
});
}
}
function onWindowGeometryChannge(callback, delay = 100) {
var events = new EventEmitter();
let oldGeometry = geometry();
events.on('resize', callback);
setInterval(() => {
const newGeometry = geometry();
if (diff(newGeometry, oldGeometry)) {
oldGeometry = newGeometry;
events.trigger('resize', newGeometry);
}
}, delay);
}
function style(geometry) {
return Object.keys(geometry).map(name => {
return `--${name}: ${geometry[name]}`;
}).join(';');
}
function div(geometry, text = '') {
console.log(new Error().stack);
return `<div class="window" style="${style(geometry)}">${text}</div>`;
};
function geometrySync(local, other) {
monitor.innerHTML = div(local, 'Self (Primary)') +
Object.keys(other).map(key => {
return div(other[key], key)
}).join('');
}
var windowCount = 0;
var windowGeometries = {};
var localGeometry;
function setMonitorSize() {
monitor.style.setProperty('--width', window.screen.width);
monitor.style.setProperty('--height', window.screen.height);
}
onWindowGeometryChannge(function(geometry) {
if (sysend.isPrimary()) {
localGeometry = geometry;
geometrySync(localGeometry, windowGeometries);
} else {
sendToPrimary({geometry});
}
});
sysend.track('open', () => ++windowCount);
sysend.track('close', ({id}) => {
--windowCount;
delete windowGeometries[id];
});
// window manager is main page
sysend.track('primary', () => {
document.body.classList.add('primary');
setMonitorSize();
sysend.track('message', ({data, origin}) => {
if (data.geometry) {
windowGeometries[origin] = data.geometry;
geometrySync(localGeometry, windowGeometries);
}
});
});
sysend.track('ready', function() {
localGeometry = geometry();
if (sysend.isPrimary()) {
geometrySync(localGeometry, windowGeometries);
} else {
sendToPrimary({geometry: localGeometry});
}
});
</script>
<!-- Start Open Web Analytics Tracker -->
<script type="text/javascript">
//<![CDATA[
var owa_baseUrl = 'http://stats.jcubic.pl/';
var owa_cmds = owa_cmds || [];
owa_cmds.push(['setSiteId', 'b0fda2fd267289c39125653957851823']);
owa_cmds.push(['trackPageView']);
owa_cmds.push(['trackClicks']);
(function() {
var _owa = document.createElement('script'); _owa.type = 'text/javascript'; _owa.async = true;
owa_baseUrl = ('https:' == document.location.protocol ? window.owa_baseSecUrl || owa_baseUrl.replace(/http:/, 'https:') : owa_baseUrl );
_owa.src = owa_baseUrl + 'modules/base/js/owa.tracker-combined-min.js';
var _owa_s = document.getElementsByTagName('script')[0]; _owa_s.parentNode.insertBefore(_owa, _owa_s);
}());
//]]>
</script>
<!-- End Open Web Analytics Code -->
</body>
</html>