Files
cinny-mobile/overlay/src/app/hooks/useMobileKeyboardLayout.ts

98 lines
3.1 KiB
TypeScript

import { useEffect, useState } from 'react';
import { isCapacitorNative } from '../utils/tauri';
const KEYBOARD_HEIGHT_THRESHOLD_PX = 120;
const IMMERSIVE_CLASS = 'immersive-landscape-keyboard';
const getIsLandscape = (): boolean => {
if (typeof window === 'undefined') return false;
if (window.matchMedia?.('(orientation: landscape)').matches) return true;
return window.innerWidth > window.innerHeight;
};
const getKeyboardOpen = (): boolean => {
if (typeof window === 'undefined') return false;
const viewport = window.visualViewport;
if (viewport) {
const obscured = window.innerHeight - viewport.height - viewport.offsetTop;
if (obscured > KEYBOARD_HEIGHT_THRESHOLD_PX) return true;
}
const active = document.activeElement;
if (!(active instanceof HTMLElement)) return false;
if (active.isContentEditable) return true;
const tag = active.tagName;
return tag === 'INPUT' || tag === 'TEXTAREA';
};
const setNativeStatusBarHidden = async (hidden: boolean) => {
if (!isCapacitorNative()) return;
try {
const { StatusBar } = await import('@capacitor/status-bar');
if (hidden) {
await StatusBar.hide();
} else {
await StatusBar.show();
}
} catch {
// Plugin may be missing in some builds; CSS safe-area collapse still applies.
}
};
export type MobileKeyboardLayout = {
isLandscape: boolean;
keyboardOpen: boolean;
/** Landscape + keyboard: compact immersive room chrome. */
immersive: boolean;
};
/**
* Landscape + soft-keyboard layout signals for compact room chrome.
* Uses visualViewport when available (Capacitor/Android WebView).
*/
export const useMobileKeyboardLayout = (): MobileKeyboardLayout => {
const [isLandscape, setIsLandscape] = useState(getIsLandscape);
const [keyboardOpen, setKeyboardOpen] = useState(getKeyboardOpen);
const immersive = isLandscape && keyboardOpen;
useEffect(() => {
const sync = () => {
setIsLandscape(getIsLandscape());
setKeyboardOpen(getKeyboardOpen());
};
sync();
const orientationQuery = window.matchMedia?.('(orientation: landscape)');
orientationQuery?.addEventListener?.('change', sync);
window.addEventListener('resize', sync);
window.visualViewport?.addEventListener('resize', sync);
window.visualViewport?.addEventListener('scroll', sync);
window.addEventListener('focusin', sync);
window.addEventListener('focusout', sync);
return () => {
orientationQuery?.removeEventListener?.('change', sync);
window.removeEventListener('resize', sync);
window.visualViewport?.removeEventListener('resize', sync);
window.visualViewport?.removeEventListener('scroll', sync);
window.removeEventListener('focusin', sync);
window.removeEventListener('focusout', sync);
};
}, []);
useEffect(() => {
document.documentElement.classList.toggle(IMMERSIVE_CLASS, immersive);
void setNativeStatusBarHidden(immersive);
return () => {
document.documentElement.classList.remove(IMMERSIVE_CLASS);
void setNativeStatusBarHidden(false);
};
}, [immersive]);
return { isLandscape, keyboardOpen, immersive };
};