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fix: use pure component for stack items
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| import * as React from 'react'; | ||
| import { StyleSheet, Platform } from 'react-native'; | ||
| import Animated from 'react-native-reanimated'; | ||
| import { Props as HeaderContainerProps } from '../Header/HeaderContainer'; | ||
| import Card from './Card'; | ||
| import { | ||
| Route, | ||
| HeaderScene, | ||
| GestureDirection, | ||
| Layout, | ||
| TransitionSpec, | ||
| CardStyleInterpolator, | ||
| HeaderMode, | ||
| NavigationProp, | ||
| HeaderStyleInterpolator, | ||
| } from '../../types'; | ||
|
|
||
| type Props = { | ||
| index: number; | ||
| active: boolean; | ||
| focused: boolean; | ||
| closing: boolean; | ||
| layout: Layout; | ||
| current: Animated.Value<number>; | ||
| previousScene?: HeaderScene<Route>; | ||
| scene: HeaderScene<Route>; | ||
| navigation: NavigationProp; | ||
| transparentCard?: boolean; | ||
| cardOverlayEnabled?: boolean; | ||
| cardShadowEnabled?: boolean; | ||
| gesturesEnabled?: boolean; | ||
| direction: GestureDirection; | ||
| getPreviousRoute: (props: { route: Route }) => Route | undefined; | ||
| renderHeader: (props: HeaderContainerProps) => React.ReactNode; | ||
| renderScene: (props: { route: Route }) => React.ReactNode; | ||
| onOpenRoute: (props: { route: Route }) => void; | ||
| onCloseRoute: (props: { route: Route }) => void; | ||
| onGoBack: (props: { route: Route }) => void; | ||
| onTransitionStart?: ( | ||
| curr: { index: number }, | ||
| prev: { index: number } | ||
| ) => void; | ||
| onGestureBegin?: () => void; | ||
| onGestureCanceled?: () => void; | ||
| onGestureEnd?: () => void; | ||
| gestureResponseDistance?: { | ||
| vertical?: number; | ||
| horizontal?: number; | ||
| }; | ||
| transitionSpec: { | ||
| open: TransitionSpec; | ||
| close: TransitionSpec; | ||
| }; | ||
| headerStyleInterpolator: HeaderStyleInterpolator; | ||
| cardStyleInterpolator: CardStyleInterpolator; | ||
| headerMode: HeaderMode; | ||
| floaingHeaderHeight: number; | ||
| hasCustomHeader: boolean; | ||
| }; | ||
|
|
||
| export default class StackItem extends React.PureComponent<Props> { | ||
| private handleOpen = () => | ||
| this.props.onOpenRoute({ route: this.props.scene.route }); | ||
|
|
||
| private handleClose = () => | ||
| this.props.onOpenRoute({ route: this.props.scene.route }); | ||
|
|
||
| private handleTransitionStart = ({ closing }: { closing: boolean }) => { | ||
| const { index, scene, onTransitionStart, onGoBack } = this.props; | ||
|
|
||
| onTransitionStart && | ||
| onTransitionStart({ index: closing ? index - 1 : index }, { index }); | ||
|
|
||
| closing && onGoBack({ route: scene.route }); | ||
| }; | ||
|
|
||
| render() { | ||
| const { | ||
| layout, | ||
| active, | ||
| focused, | ||
| closing, | ||
| current, | ||
| navigation, | ||
| scene, | ||
| previousScene, | ||
| direction, | ||
| transparentCard, | ||
| cardOverlayEnabled, | ||
| cardShadowEnabled, | ||
| gesturesEnabled, | ||
| onGestureBegin, | ||
| onGestureCanceled, | ||
| onGestureEnd, | ||
| gestureResponseDistance, | ||
| transitionSpec, | ||
| headerStyleInterpolator, | ||
| cardStyleInterpolator, | ||
| floaingHeaderHeight, | ||
| hasCustomHeader, | ||
| getPreviousRoute, | ||
| headerMode, | ||
| renderHeader, | ||
| renderScene, | ||
| } = this.props; | ||
|
|
||
| return ( | ||
| <Card | ||
| active={active} | ||
| transparent={transparentCard} | ||
| direction={direction} | ||
| layout={layout} | ||
| current={current} | ||
| next={scene.progress.next} | ||
| closing={closing} | ||
| onOpen={this.handleOpen} | ||
| onClose={this.handleClose} | ||
| overlayEnabled={cardOverlayEnabled} | ||
| shadowEnabled={cardShadowEnabled} | ||
| gesturesEnabled={gesturesEnabled} | ||
| onTransitionStart={this.handleTransitionStart} | ||
| onGestureBegin={onGestureBegin} | ||
| onGestureCanceled={onGestureCanceled} | ||
| onGestureEnd={onGestureEnd} | ||
| gestureResponseDistance={gestureResponseDistance} | ||
| transitionSpec={transitionSpec} | ||
| styleInterpolator={cardStyleInterpolator} | ||
| accessibilityElementsHidden={!focused} | ||
| importantForAccessibility={focused ? 'auto' : 'no-hide-descendants'} | ||
| pointerEvents="box-none" | ||
| style={[ | ||
| StyleSheet.absoluteFill, | ||
| headerMode === 'float' && !hasCustomHeader | ||
| ? { marginTop: floaingHeaderHeight } | ||
| : null, | ||
| ]} | ||
| > | ||
| {headerMode === 'screen' | ||
| ? renderHeader({ | ||
| mode: 'screen', | ||
| layout, | ||
| scenes: [previousScene, scene], | ||
| navigation, | ||
| getPreviousRoute, | ||
| styleInterpolator: headerStyleInterpolator, | ||
| style: styles.header, | ||
| }) | ||
| : null} | ||
| {renderScene({ route: scene.route })} | ||
| </Card> | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| const styles = StyleSheet.create({ | ||
| header: { | ||
| // This is needed to show elevation shadow | ||
| zIndex: Platform.OS === 'android' ? 1 : 0, | ||
| }, | ||
| }); |
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