Spaces:
Running
Running
File size: 4,562 Bytes
403a2e1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | import { useState, useRef, useEffect, RefObject } from 'react';
interface AnimationTarget {
x: number;
y: number;
}
interface UseCoachModalAnimationReturn {
// State
isClosingModal: boolean;
animationTarget: AnimationTarget;
tailTarget: AnimationTarget | null;
// Refs to attach to elements
coachBubbleRef: RefObject<HTMLDivElement | null>;
coachBubbleContentRef: RefObject<HTMLDivElement | null>;
// Handlers
handleCloseModal: () => void;
// Animation class names
getOverlayClassName: (baseClass: string) => string;
getBubbleClassName: (baseClass: string) => string;
getBubbleStyle: () => React.CSSProperties;
}
const ANIMATION_DURATION = 400;
const ESTIMATED_BUBBLE_HEIGHT = 280;
export function useCoachModalAnimation(
showModal: boolean,
setShowModal: (show: boolean) => void,
triggerRef: RefObject<HTMLButtonElement | null>
): UseCoachModalAnimationReturn {
const [isClosingModal, setIsClosingModal] = useState(false);
const [animationTarget, setAnimationTarget] = useState<AnimationTarget>({ x: 0, y: 0 });
const [tailTarget, setTailTarget] = useState<AnimationTarget | null>(null);
const coachBubbleRef = useRef<HTMLDivElement>(null);
const coachBubbleContentRef = useRef<HTMLDivElement>(null);
// Calculate animation targets when modal opens
useEffect(() => {
if (showModal && !isClosingModal) {
// Calculate animation target
const buttonRect = triggerRef.current?.getBoundingClientRect();
const viewportCenterX = window.innerWidth / 2;
const viewportCenterY = window.innerHeight / 2;
if (buttonRect) {
const buttonCenterX = buttonRect.left + buttonRect.width / 2;
const buttonCenterY = buttonRect.top + buttonRect.height / 2;
setAnimationTarget({
x: buttonCenterX - viewportCenterX,
y: buttonCenterY - viewportCenterY,
});
// Calculate tail target
const estimatedBubbleWidth = Math.min(384, window.innerWidth - 32);
const bubbleLeft = viewportCenterX - estimatedBubbleWidth / 2;
const bubbleBottom = viewportCenterY + ESTIMATED_BUBBLE_HEIGHT / 2;
const buttonTargetX = buttonRect.left + buttonRect.width * 0.5;
const buttonTopY = buttonRect.top;
setTailTarget({
x: buttonTargetX - bubbleLeft,
y: buttonTopY - bubbleBottom,
});
}
} else if (!showModal) {
setTailTarget(null);
}
}, [showModal, isClosingModal, triggerRef]);
const handleCloseModal = () => {
// Recalculate animation target for closing (bubble position may have changed)
const buttonRect = triggerRef.current?.getBoundingClientRect();
const bubbleRect = coachBubbleRef.current?.getBoundingClientRect();
if (buttonRect && bubbleRect) {
const buttonCenterX = buttonRect.left + buttonRect.width / 2;
const buttonCenterY = buttonRect.top + buttonRect.height / 2;
const bubbleCenterX = bubbleRect.left + bubbleRect.width / 2;
const bubbleCenterY = bubbleRect.top + bubbleRect.height / 2;
const targetX = buttonCenterX - bubbleCenterX;
const targetY = buttonCenterY - bubbleCenterY;
// Set CSS variables directly on element for immediate effect (before React re-renders)
if (coachBubbleRef.current) {
coachBubbleRef.current.style.setProperty('--translate-x', `${targetX}px`);
coachBubbleRef.current.style.setProperty('--translate-y', `${targetY}px`);
}
// Also update state to prevent React from overwriting on re-render
setAnimationTarget({ x: targetX, y: targetY });
}
setIsClosingModal(true);
// Wait for animation to complete before actually closing
setTimeout(() => {
setShowModal(false);
setIsClosingModal(false);
}, ANIMATION_DURATION);
};
const getOverlayClassName = (baseClass: string): string => {
return `${baseClass} ${isClosingModal ? 'animate-fade-out' : 'animate-fade-in'}`;
};
const getBubbleClassName = (baseClass: string): string => {
return `${baseClass} ${isClosingModal ? 'animate-shrink-to-coach-button' : 'animate-expand-from-coach-button'}`;
};
const getBubbleStyle = (): React.CSSProperties => {
return {
'--translate-x': `${animationTarget.x}px`,
'--translate-y': `${animationTarget.y}px`,
} as React.CSSProperties;
};
return {
isClosingModal,
animationTarget,
tailTarget,
coachBubbleRef,
coachBubbleContentRef,
handleCloseModal,
getOverlayClassName,
getBubbleClassName,
getBubbleStyle,
};
}
|