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Unify transport controls with themed SVG symbols and accessible playback states

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Jonathan Sykes
2026-10-09 15:54:22 +08:00
parent 0a5b113ebe
commit 9a37715da4
19 changed files with 180 additions and 73 deletions
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4
frontend/car-mode.js
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@@ -10,8 +10,8 @@
overlay = doc.createElement('section'); overlay.className = 'car-mode'; overlay.setAttribute('role', 'dialog'); overlay.setAttribute('aria-modal', 'true'); overlay.setAttribute('aria-label', 'Car mode');
const exit = doc.createElement('button'); exit.type = 'button'; exit.className = 'car-exit'; exit.textContent = 'Exit Car mode'; exit.onclick = close;
const title = doc.createElement('h1'); const controls = doc.createElement('div'); controls.className = 'car-controls'; let toggle;
for (const [label, action] of [['Previous', 'prev'], ['Play / Pause', 'toggle'], ['15 s back', 'back'], ['Next', 'next']]) { const b = doc.createElement('button'); b.type = 'button'; b.textContent = label; b.setAttribute('aria-label', label); b.onclick = () => adapter.action(action); if (action === 'toggle') toggle = b; controls.append(b); }
const update = () => { const state = adapter.state(); title.textContent = state.title || 'Choose a song before entering Car mode'; toggle.textContent = state.paused ? 'Play' : 'Pause'; }; update();
for (const [label, action] of [['Previous', 'prev'], ['Play / Pause', 'toggle'], ['15 s back', 'back'], ['Next', 'next']]) { const b = doc.createElement('button'); b.type = 'button'; b.innerHTML = root.TransportIcons.svg({prev:'previous',toggle:'play',back:'back15',next:'next'}[action]) + '<span>' + label + '</span>'; b.setAttribute('aria-label', label); b.onclick = () => adapter.action(action); if (action === 'toggle') toggle = b; controls.append(b); }
const update = () => { const state = adapter.state(); title.textContent = state.title || 'Choose a song before entering Car mode'; root.TransportIcons.set(toggle, state.paused ? 'play' : 'pause'); toggle.insertAdjacentHTML('beforeend','<span>' + (state.paused ? 'Play' : 'Pause') + '</span>'); }; update();
overlay.append(exit, title, controls); doc.body.append(overlay); timer = setInterval(update, 500); exit.focus();
overlay.onkeydown = e => { if (e.key === 'Escape') { e.preventDefault(); close(); } else if (e.key === 'Tab') { const buttons = [...overlay.querySelectorAll('button')], first = buttons[0], last = buttons.at(-1); if (e.shiftKey && doc.activeElement === first) { e.preventDefault(); last.focus(); } else if (!e.shiftKey && doc.activeElement === last) { e.preventDefault(); first.focus(); } } e.stopPropagation(); };
}