FedMCP - Federal Parliamentary Information

/** * useSwipeGesture Hook * Provides swipe gesture detection for mobile UI */ 'use client'; import { useGesture } from '@use-gesture/react'; import { useRef } from 'react'; interface SwipeConfig { onSwipeLeft?: () => void; onSwipeRight?: () => void; onSwipeUp?: () => void; onSwipeDown?: () => void; threshold?: number; // Minimum distance in pixels velocityThreshold?: number; // Minimum velocity } export function useSwipeGesture(config: SwipeConfig) { const { onSwipeLeft, onSwipeRight, onSwipeUp, onSwipeDown, threshold = 50, velocityThreshold = 0.3, } = config; const bind = useGesture({ onDrag: ({ direction: [xDir, yDir], distance, velocity, cancel }) => { const [xVelocity, yVelocity] = velocity; const [xDistance, yDistance] = distance; // Horizontal swipe if (Math.abs(xDir) > Math.abs(yDir)) { if (xDistance > threshold && xVelocity > velocityThreshold) { if (xDir > 0 && onSwipeRight) { onSwipeRight(); cancel(); } else if (xDir < 0 && onSwipeLeft) { onSwipeLeft(); cancel(); } } } // Vertical swipe else { if (yDistance > threshold && yVelocity > velocityThreshold) { if (yDir > 0 && onSwipeDown) { onSwipeDown(); cancel(); } else if (yDir < 0 && onSwipeUp) { onSwipeUp(); cancel(); } } } }, }); return bind; } /** * Simple touch-based swipe detection (no dependencies) */ export function useSimpleSwipe(config: SwipeConfig) { const touchStartRef = useRef<{ x: number; y: number; time: number } | null>(null); const handleTouchStart = (e: React.TouchEvent) => { const touch = e.touches[0]; touchStartRef.current = { x: touch.clientX, y: touch.clientY, time: Date.now(), }; }; const handleTouchEnd = (e: React.TouchEvent) => { if (!touchStartRef.current) return; const touch = e.changedTouches[0]; const deltaX = touch.clientX - touchStartRef.current.x; const deltaY = touch.clientY - touchStartRef.current.y; const deltaTime = Date.now() - touchStartRef.current.time; const threshold = config.threshold || 50; const velocityThreshold = config.velocityThreshold || 0.3; // Calculate velocity (pixels per millisecond) const velocity = Math.sqrt(deltaX ** 2 + deltaY ** 2) / deltaTime; // Determine direction if (Math.abs(deltaX) > Math.abs(deltaY)) { // Horizontal swipe if (Math.abs(deltaX) > threshold && velocity > velocityThreshold) { if (deltaX > 0 && config.onSwipeRight) { config.onSwipeRight(); } else if (deltaX < 0 && config.onSwipeLeft) { config.onSwipeLeft(); } } } else { // Vertical swipe if (Math.abs(deltaY) > threshold && velocity > velocityThreshold) { if (deltaY > 0 && config.onSwipeDown) { config.onSwipeDown(); } else if (deltaY < 0 && config.onSwipeUp) { config.onSwipeUp(); } } } touchStartRef.current = null; }; return { onTouchStart: handleTouchStart, onTouchEnd: handleTouchEnd, }; }