WEFT_OS/infra/shell/system-ui.html
Marco Allegretti 65a10723b3 fix(shell): clear stale taskbar entries on WebSocket reconnect
When weft-appd restarts, session IDs reset to 0. Without clearing,
RUNNING_APPS repopulation after reconnect would coexist with stale
entries from the previous session. Removing all weft-taskbar-app
elements on the open event ensures the taskbar reflects only the
current appd session registry.
2026-03-11 12:01:33 +01:00

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>WEFT Desktop</title>
<style>
:root {
color-scheme: dark;
--surface-bg: rgba(255, 255, 255, 0.07);
--surface-border: rgba(255, 255, 255, 0.12);
--taskbar-height: 48px;
--text-primary: rgba(255, 255, 255, 0.92);
--text-secondary: rgba(255, 255, 255, 0.55);
--accent: #5b8af5;
}
*, *::before, *::after {
box-sizing: border-box;
}
body {
margin: 0;
overflow: hidden;
background: #0f1117;
font-family: system-ui, -apple-system, sans-serif;
color: var(--text-primary);
height: 100dvh;
width: 100dvw;
}
weft-desktop {
display: grid;
grid-template-rows: 1fr var(--taskbar-height);
height: 100dvh;
width: 100dvw;
contain: layout;
}
weft-wallpaper {
display: block;
grid-row: 1;
background: linear-gradient(
145deg,
#0f1117 0%,
#161b2e 40%,
#0d2040 70%,
#0a1a30 100%
);
}
weft-taskbar {
display: flex;
align-items: center;
grid-row: 2;
height: var(--taskbar-height);
padding: 0 12px;
gap: 8px;
background: var(--surface-bg);
border-top: 1px solid var(--surface-border);
backdrop-filter: blur(20px);
-webkit-backdrop-filter: blur(20px);
}
weft-taskbar-launcher {
display: flex;
align-items: center;
justify-content: center;
width: 36px;
height: 36px;
border-radius: 8px;
cursor: pointer;
background: transparent;
transition: background 0.15s;
}
weft-taskbar-launcher:hover {
background: var(--surface-border);
}
weft-taskbar-clock {
margin-left: auto;
font-size: 13px;
color: var(--text-secondary);
font-variant-numeric: tabular-nums;
}
weft-launcher {
display: none;
position: fixed;
inset: 0;
bottom: var(--taskbar-height);
background: rgba(10, 12, 20, 0.85);
backdrop-filter: blur(32px);
-webkit-backdrop-filter: blur(32px);
z-index: 100;
padding: 24px;
overflow-y: auto;
}
weft-launcher:not([hidden]) {
display: block;
}
weft-app-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
gap: 16px;
max-width: 640px;
margin: 0 auto;
}
weft-app-icon {
display: flex;
flex-direction: column;
align-items: center;
gap: 6px;
padding: 12px 8px;
border-radius: 12px;
cursor: pointer;
color: var(--text-primary);
font-size: 12px;
text-align: center;
word-break: break-word;
transition: background 0.15s;
}
weft-app-icon:hover {
background: var(--surface-border);
}
weft-app-icon svg {
flex-shrink: 0;
}
weft-taskbar-app {
display: inline-flex;
align-items: center;
gap: 4px;
font-size: 12px;
color: var(--text-secondary);
padding: 0 4px 0 6px;
cursor: pointer;
border-radius: 6px;
transition: background 0.15s;
}
weft-taskbar-app:hover {
background: var(--surface-border);
}
weft-taskbar-app .task-close {
opacity: 0;
font-size: 11px;
line-height: 1;
padding: 1px 3px;
border-radius: 3px;
transition: opacity 0.1s, background 0.1s;
}
weft-taskbar-app:hover .task-close {
opacity: 1;
}
weft-taskbar-app .task-close:hover {
background: rgba(255,80,80,0.3);
}
weft-notification-center {
position: fixed;
top: 8px;
right: 8px;
width: 360px;
display: flex;
flex-direction: column;
gap: 8px;
z-index: 200;
pointer-events: none;
}
weft-window {
display: none;
}
</style>
</head>
<body>
<weft-desktop>
<weft-wallpaper></weft-wallpaper>
<weft-taskbar>
<weft-taskbar-launcher id="launcher-btn" title="Apps">
<svg width="18" height="18" viewBox="0 0 18 18" fill="none"
xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
<rect x="1" y="1" width="6" height="6" rx="1.5"
fill="rgba(255,255,255,0.7)" />
<rect x="11" y="1" width="6" height="6" rx="1.5"
fill="rgba(255,255,255,0.7)" />
<rect x="1" y="11" width="6" height="6" rx="1.5"
fill="rgba(255,255,255,0.7)" />
<rect x="11" y="11" width="6" height="6" rx="1.5"
fill="rgba(255,255,255,0.7)" />
</svg>
</weft-taskbar-launcher>
<weft-taskbar-clock id="clock"></weft-taskbar-clock>
</weft-taskbar>
</weft-desktop>
<weft-launcher hidden id="launcher">
<weft-app-grid id="app-grid"></weft-app-grid>
</weft-launcher>
<weft-notification-center id="notifications"></weft-notification-center>
<script>
(function () {
var clockEl = document.getElementById('clock');
function updateClock() {
clockEl.textContent = new Date().toLocaleTimeString([], {
hour: '2-digit',
minute: '2-digit',
});
}
updateClock();
setInterval(updateClock, 10000);
document.getElementById('launcher-btn').addEventListener('click', function () {
var launcher = document.getElementById('launcher');
if (launcher.hasAttribute('hidden')) {
launcher.removeAttribute('hidden');
} else {
launcher.setAttribute('hidden', '');
}
});
document.addEventListener('keydown', function (e) {
if (e.key === 'Escape') {
document.getElementById('launcher').setAttribute('hidden', '');
}
});
document.getElementById('launcher').addEventListener('click', function (e) {
if (e.target === this) {
this.setAttribute('hidden', '');
}
});
var APPD_WS_PORT = window.WEFT_APPD_WS_PORT || 7410;
var ws = null;
var wsReconnectDelay = 1000;
function appdConnect() {
try {
ws = new WebSocket('ws://127.0.0.1:' + APPD_WS_PORT + '/appd');
} catch (e) {
scheduleReconnect();
return;
}
ws.addEventListener('open', function () {
wsReconnectDelay = 1000;
document.querySelectorAll('weft-taskbar-app').forEach(function (el) { el.remove(); });
ws.send(JSON.stringify({ type: 'QUERY_RUNNING' }));
ws.send(JSON.stringify({ type: 'QUERY_INSTALLED_APPS' }));
});
ws.addEventListener('message', function (ev) {
var msg;
try { msg = JSON.parse(ev.data); } catch (e) { return; }
handleAppdMessage(msg);
});
ws.addEventListener('close', function () {
ws = null;
scheduleReconnect();
});
ws.addEventListener('error', function () {
ws = null;
});
}
function scheduleReconnect() {
setTimeout(appdConnect, wsReconnectDelay);
wsReconnectDelay = Math.min(wsReconnectDelay * 2, 16000);
}
function handleAppdMessage(msg) {
if (msg.type === 'INSTALLED_APPS') {
renderLauncher(msg.apps || []);
} else if (msg.type === 'APP_READY') {
var label = msg.app_id ? msg.app_id.split('.').pop() : String(msg.session_id);
showNotification(label + ' is ready');
} else if (msg.type === 'APP_STATE') {
if (msg.state === 'stopped') {
removeTaskbarEntry(msg.session_id);
}
} else if (msg.type === 'RUNNING_APPS') {
msg.sessions.forEach(function (s) {
ensureTaskbarEntry(s.session_id, s.app_id);
});
} else if (msg.type === 'LAUNCH_ACK') {
ensureTaskbarEntry(msg.session_id, msg.app_id || null);
}
}
function renderLauncher(apps) {
var grid = document.getElementById('app-grid');
grid.innerHTML = '';
if (apps.length === 0) {
var empty = document.createElement('p');
empty.textContent = 'No apps installed';
empty.style.cssText = 'color:var(--text-secondary);font-size:13px;';
grid.appendChild(empty);
return;
}
apps.forEach(function (app) {
var icon = document.createElement('weft-app-icon');
icon.dataset.appId = app.app_id;
icon.title = app.app_id;
icon.innerHTML =
'<svg width="40" height="40" viewBox="0 0 40 40" fill="none"' +
' xmlns="http://www.w3.org/2000/svg" aria-hidden="true">' +
'<rect width="40" height="40" rx="10" fill="rgba(91,138,245,0.25)"/>' +
'<text x="20" y="27" text-anchor="middle" font-size="18" fill="rgba(255,255,255,0.8)">' +
(app.name ? app.name.charAt(0).toUpperCase() : '?') +
'</text></svg>' +
'<span>' + (app.name || app.app_id) + '</span>';
icon.addEventListener('click', function () {
if (ws && ws.readyState === WebSocket.OPEN) {
ws.send(JSON.stringify({ type: 'LAUNCH_APP', app_id: app.app_id, surface_id: 0 }));
}
document.getElementById('launcher').setAttribute('hidden', '');
});
grid.appendChild(icon);
});
}
function ensureTaskbarEntry(sessionId, appId) {
var id = 'task-' + sessionId;
if (document.getElementById(id)) { return; }
var label = appId ? appId.split('.').pop() : String(sessionId);
var el = document.createElement('weft-taskbar-app');
el.id = id;
el.dataset.sessionId = sessionId;
if (appId) { el.dataset.appId = appId; }
el.title = appId ? appId + ' (session ' + sessionId + ')' : 'Session ' + sessionId;
var span = document.createElement('span');
span.textContent = '● ' + label;
var close = document.createElement('span');
close.className = 'task-close';
close.textContent = '×';
close.title = 'Terminate';
close.addEventListener('click', function (e) {
e.stopPropagation();
if (ws && ws.readyState === WebSocket.OPEN) {
ws.send(JSON.stringify({ type: 'TERMINATE_APP', session_id: sessionId }));
}
});
el.appendChild(span);
el.appendChild(close);
var taskbar = document.querySelector('weft-taskbar');
var clock = document.getElementById('clock');
taskbar.insertBefore(el, clock);
}
function removeTaskbarEntry(sessionId) {
var el = document.getElementById('task-' + sessionId);
if (el) { el.remove(); }
}
function showNotification(text) {
var center = document.getElementById('notifications');
var note = document.createElement('div');
note.textContent = text;
note.style.cssText = [
'background:var(--surface-bg)',
'border:1px solid var(--surface-border)',
'border-radius:8px',
'padding:10px 14px',
'font-size:13px',
'color:var(--text-primary)',
'pointer-events:auto',
'backdrop-filter:blur(20px)',
].join(';');
center.appendChild(note);
setTimeout(function () { note.remove(); }, 4000);
}
appdConnect();
}());
</script>
</body>
</html>