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feat(foundation): implement gesture to slide type modal
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140 changes: 121 additions & 19 deletions
140
packages/uikit-react-native-foundation/src/ui/Modal/index.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,64 +1,166 @@ | ||
| import React, { useEffect, useRef } from 'react'; | ||
| import React, { useEffect, useRef, useState } from 'react'; | ||
| import { | ||
| Animated, | ||
| Dimensions, | ||
| ModalProps, | ||
| PanResponder, | ||
| Platform, | ||
| Pressable, | ||
| Modal as RNModal, | ||
| StyleProp, | ||
| StyleSheet, | ||
| TouchableWithoutFeedback, | ||
| View, | ||
| ViewStyle, | ||
| } from 'react-native'; | ||
|
|
||
| import createStyleSheet from '../../styles/createStyleSheet'; | ||
| import useUIKitTheme from '../../theme/useUIKitTheme'; | ||
|
|
||
| type Props = { backgroundStyle?: StyleProp<ViewStyle>; onPressBackground?: () => void } & ModalProps; | ||
| type Props = { type?: 'slide' | 'fade'; onClose: () => void; backgroundStyle?: StyleProp<ViewStyle> } & Omit< | ||
| ModalProps, | ||
| 'animationType' | 'onRequestClose' | ||
| >; | ||
|
|
||
| /** | ||
| * Modal Open: Triggered by Modal.props.visible state changed to true | ||
| * - visible true -> modalVisible true -> animation start | ||
| * | ||
| * Modal Close: Triggered by Modal.props.onClose() call | ||
| * - Modal.props.onClose() -> visible false -> animation start -> modalVisible false | ||
| * */ | ||
| const Modal: React.FC<Props> = ({ | ||
| children, | ||
| onClose, | ||
| backgroundStyle, | ||
| onPressBackground, | ||
| onDismiss, | ||
| type = 'fade', | ||
| visible = false, | ||
| ...props | ||
| }) => { | ||
| const { palette } = useUIKitTheme(); | ||
| const { content, backdrop, showTransition, hideTransition } = useModalAnimation(type); | ||
| const panResponder = useModalPanResponder(type, content.translateY, showTransition, onClose); | ||
|
|
||
| const [modalVisible, setModalVisible] = useState(false); | ||
| const showAction = () => setModalVisible(true); | ||
| const hideAction = () => hideTransition(() => setModalVisible(false)); | ||
|
|
||
| useEffect(() => { | ||
| if (visible) showAction(); | ||
| else hideAction(); | ||
| }, [visible]); | ||
|
|
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| useOnDismiss(visible, onDismiss); | ||
| useOnDismiss(modalVisible, onDismiss); | ||
|
|
||
| return ( | ||
| <RNModal | ||
| transparent | ||
| visible={visible} | ||
| hardwareAccelerated | ||
| visible={modalVisible} | ||
| onRequestClose={onClose} | ||
| onShow={() => showTransition()} | ||
| onDismiss={onDismiss} | ||
| supportedOrientations={['portrait', 'portrait-upside-down', 'landscape', 'landscape-left', 'landscape-right']} | ||
| animationType={'fade'} | ||
| animationType={'none'} | ||
| {...props} | ||
| > | ||
| <TouchableWithoutFeedback onPress={onPressBackground}> | ||
| <View style={[StyleSheet.absoluteFill, { backgroundColor: palette.onBackgroundLight03 }]} /> | ||
| <TouchableWithoutFeedback onPress={onClose}> | ||
| <Animated.View | ||
| style={[StyleSheet.absoluteFill, { opacity: backdrop.opacity, backgroundColor: palette.onBackgroundLight03 }]} | ||
| /> | ||
| </TouchableWithoutFeedback> | ||
| <View pointerEvents={'box-none'} style={[styles.background, backgroundStyle]}> | ||
| {children} | ||
| </View> | ||
| <Animated.View | ||
| style={[ | ||
| styles.background, | ||
| backgroundStyle, | ||
| { opacity: content.opacity, transform: [{ translateY: content.translateY }] }, | ||
| ]} | ||
| pointerEvents={'box-none'} | ||
| {...panResponder.panHandlers} | ||
| > | ||
| {/* NOTE: https://github.com/facebook/react-native/issues/14295 */} | ||
| <Pressable>{children}</Pressable> | ||
| </Animated.View> | ||
| </RNModal> | ||
| ); | ||
| }; | ||
|
|
||
| const useModalPanResponder = ( | ||
| type: 'slide' | 'fade', | ||
| translateY: Animated.Value, | ||
| show: () => void, | ||
| hide: () => void, | ||
| ) => { | ||
| if (type === 'fade') return { panHandlers: {} }; | ||
| return React.useRef( | ||
| PanResponder.create({ | ||
| onMoveShouldSetPanResponderCapture: (_, { dy }) => dy > 8, | ||
| // @ts-ignore | ||
| onPanResponderGrant: () => translateY.setOffset(translateY.__getValue()), | ||
| onPanResponderMove: Animated.event([null, { dy: translateY }], { useNativeDriver: false }), | ||
| onPanResponderRelease: (_, { dy, vy }) => { | ||
| const isHideGesture = dy > 125 || (dy > 0 && vy > 0.1); | ||
| if (isHideGesture) hide(); | ||
| else show(); | ||
| }, | ||
| }), | ||
| ).current; | ||
| }; | ||
|
|
||
| const useModalAnimation = (type: 'slide' | 'fade') => { | ||
| const initialY = type === 'slide' ? Dimensions.get('window').height : 0; | ||
| const baseAnimationVal = useRef(new Animated.Value(0)).current; | ||
| const baseTranslateVal = useRef(new Animated.Value(initialY)).current; | ||
|
|
||
| const content = { | ||
| opacity: baseAnimationVal.interpolate({ | ||
| inputRange: [0, 1], | ||
| outputRange: [type === 'slide' ? 1 : 0, 1], | ||
| }), | ||
| translateY: baseTranslateVal, | ||
| }; | ||
| const backdrop = { | ||
| opacity: baseAnimationVal.interpolate({ | ||
| inputRange: [0, 1], | ||
| outputRange: [0, 1], | ||
| }), | ||
| }; | ||
| const createTransition = (toValue: 0 | 1) => { | ||
| const config = { duration: 250, useNativeDriver: false }; | ||
| return Animated.parallel([ | ||
| Animated.timing(baseAnimationVal, { toValue, ...config }), | ||
| Animated.timing(baseTranslateVal, { toValue: toValue === 0 ? initialY : 0, ...config }), | ||
| ]).start; | ||
| }; | ||
| return { | ||
| content, | ||
| backdrop, | ||
| showTransition: createTransition(1), | ||
| hideTransition: createTransition(0), | ||
| }; | ||
| }; | ||
|
|
||
| // NOTE: onDismiss is supports iOS only | ||
| const useOnDismiss = (visible: boolean, onDismiss?: () => void) => { | ||
| const prevVisibleState = useRef(false); | ||
| const prevVisible = usePrevProp(visible); | ||
| useEffect(() => { | ||
| if (Platform.OS === 'ios') return; | ||
| if (prevVisibleState.current && !visible) onDismiss?.(); | ||
| prevVisibleState.current = visible; | ||
| }, [visible]); | ||
| if (prevVisible && !visible) onDismiss?.(); | ||
| }, [prevVisible, visible]); | ||
| }; | ||
|
|
||
| const usePrevProp = <T,>(prop: T) => { | ||
| const prev = useRef(prop); | ||
| const curr = useRef(prop); | ||
| useEffect(() => { | ||
| prev.current = curr.current; | ||
| curr.current = prop; | ||
| }); | ||
| return prev.current; | ||
| }; | ||
|
|
||
| const styles = createStyleSheet({ | ||
| background: { | ||
| flex: 1, | ||
| }, | ||
| background: { flex: 1 }, | ||
| }); | ||
|
|
||
| export default Modal; |
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