wake_lock_controller.ts

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`f32f5e95` 2026-03-16 Pavel Safronov	1	import { createWakeLockManager } from '../../platform/wakelock';
	2	import { createToast } from '../../core/toast';
`32796e53` 2026-03-16 Pavel Safronov	3	import { PUBLIC_SETTINGS } from '../../public_settings';
`f495a654` 2026-03-16 Pavel Safronov	4
	5	type WakeLockControllerOptions = {
	6	wakeLockToggle: HTMLElement \| null;
	7	isSessionStarted: () => boolean;
	8	isFullscreen: () => boolean;
	9	};
	10
	11	const WAKE_LOCK_ENABLED_STORAGE_KEY = 'friend-compass-wake-lock-enabled';
	12
	13	export const initWakeLockController = ({
	14	wakeLockToggle,
	15	isSessionStarted,
	16	isFullscreen
	17	}: WakeLockControllerOptions) => {
	18	const {
	19	setWakeLockEnabled,
	20	hasWakeLockSupport
	21	} = createWakeLockManager();
	22
`d193c692` 2026-03-16 Pavel Safronov	23	const savedWakeLockPreference = localStorage.getItem(WAKE_LOCK_ENABLED_STORAGE_KEY);
	24	let wakeLockEnabledByToggle = savedWakeLockPreference !== '0';
`f495a654` 2026-03-16 Pavel Safronov	25	const wakeLockToast = createToast({ className: 'wake-lock-toast' });
	26
	27	const getEffectiveWakeLockEnabled = () => isSessionStarted() && (isFullscreen() \|\| wakeLockEnabledByToggle);
	28
	29	const updateWakeLockToggleUi = () => {
	30	if (!(wakeLockToggle instanceof HTMLButtonElement)) return;
	31
	32	const supported = hasWakeLockSupport();
	33	const forcedByFullscreen = isFullscreen();
	34	const enabled = forcedByFullscreen \|\| wakeLockEnabledByToggle;
	35
	36	wakeLockToggle.disabled = !supported;
`32796e53` 2026-03-16 Pavel Safronov	37	wakeLockToggle.textContent = enabled
	38	? PUBLIC_SETTINGS.ui.emojis.wakeLock.on
	39	: PUBLIC_SETTINGS.ui.emojis.wakeLock.off;
`f495a654` 2026-03-16 Pavel Safronov	40	wakeLockToggle.classList.toggle('is-on', enabled);
	41	wakeLockToggle.setAttribute('aria-pressed', String(enabled));
	42
	43	if (!supported) {
	44	wakeLockToggle.title = 'Wake lock is not supported on this browser/device.';
	45	wakeLockToggle.setAttribute('aria-label', 'Wake lock unsupported');
	46	return;
	47	}
	48
	49	if (forcedByFullscreen) {
	50	wakeLockToggle.title = 'Stay awake is enabled automatically in fullscreen mode.';
	51	wakeLockToggle.setAttribute('aria-label', 'Stay awake enabled in fullscreen');
	52	return;
	53	}
	54
	55	wakeLockToggle.title = enabled ? 'Stay awake is on. Tap to allow sleeping.' : 'Stay awake is off. Tap to keep screen awake.';
	56	wakeLockToggle.setAttribute('aria-label', enabled ? 'Turn stay awake off' : 'Turn stay awake on');
	57	};
	58
	59	const syncWakeLockPreference = ({
	60	announce = false,
	61	source = 'toggle'
	62	}: {
	63	announce?: boolean;
	64	source?: 'toggle' \| 'fullscreen';
	65	} = {}) => {
	66	const shouldStayAwake = getEffectiveWakeLockEnabled();
	67	void setWakeLockEnabled(shouldStayAwake);
	68	updateWakeLockToggleUi();
	69
	70	if (!announce) return;
	71	if (!hasWakeLockSupport()) {
	72	wakeLockToast.show('Stay awake is not supported on this browser.');
	73	return;
	74	}
	75
	76	if (source === 'toggle') {
	77	if (shouldStayAwake) {
	78	wakeLockToast.show(isSessionStarted() ? 'Stay awake is on.' : 'Stay awake enabled for when you start the session.');
	79	return;
	80	}
	81	wakeLockToast.show('Stay awake is off.');
	82	return;
	83	}
	84
	85	if (isFullscreen()) {
	86	wakeLockToast.show(isSessionStarted() ? 'Fullscreen keeps your screen awake.' : 'Fullscreen will keep your screen awake once the session starts.');
	87	return;
	88	}
	89
	90	wakeLockToast.show(shouldStayAwake ? 'Exited fullscreen. Stay awake is on.' : 'Exited fullscreen. Stay awake is off.');
	91	};
	92
	93	if (wakeLockToggle instanceof HTMLButtonElement) {
	94	wakeLockToggle.addEventListener('click', () => {
	95	wakeLockEnabledByToggle = !wakeLockEnabledByToggle;
	96	localStorage.setItem(WAKE_LOCK_ENABLED_STORAGE_KEY, wakeLockEnabledByToggle ? '1' : '0');
	97	syncWakeLockPreference({ announce: true, source: 'toggle' });
	98	});
	99	}
	100
	101	updateWakeLockToggleUi();
	102
	103	return {
	104	syncWakeLockPreference,
	105	updateWakeLockToggleUi
	106	};
	107	};