UNPKG

react-native-paper

Version:
692 lines (636 loc) 24.8 kB
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = void 0; var React = _interopRequireWildcard(require("react")); var _reactNative = require("react-native"); var _reactNativeIphoneXHelper = require("react-native-iphone-x-helper"); var _color = _interopRequireDefault(require("color")); var _overlay = _interopRequireDefault(require("../../styles/overlay")); var _Icon = _interopRequireDefault(require("../Icon")); var _Surface = _interopRequireDefault(require("../Surface")); var _Badge = _interopRequireDefault(require("../Badge")); var _TouchableRipple = _interopRequireDefault(require("../TouchableRipple/TouchableRipple")); var _Text = _interopRequireDefault(require("../Typography/Text")); var _colors = require("../../styles/colors"); var _theming = require("../../core/theming"); var _useAnimatedValue = _interopRequireDefault(require("../../utils/useAnimatedValue")); var _useAnimatedValueArray = _interopRequireDefault(require("../../utils/useAnimatedValueArray")); var _useLayout = _interopRequireDefault(require("../../utils/useLayout")); var _useIsKeyboardShown = _interopRequireDefault(require("../../utils/useIsKeyboardShown")); var _BottomNavigationRouteScreen = _interopRequireDefault(require("./BottomNavigationRouteScreen")); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); } function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; } function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); } const MIN_RIPPLE_SCALE = 0.001; // Minimum scale is not 0 due to bug with animation const MIN_TAB_WIDTH = 96; const MAX_TAB_WIDTH = 168; const BAR_HEIGHT = 56; const BOTTOM_INSET = (0, _reactNativeIphoneXHelper.getBottomSpace)(); const FAR_FAR_AWAY = _reactNative.Platform.OS === 'web' ? 0 : 9999; const Touchable = _ref => { let { route: _0, style, children, borderless, centered, rippleColor, ...rest } = _ref; return _TouchableRipple.default.supported ? /*#__PURE__*/React.createElement(_TouchableRipple.default, _extends({}, rest, { disabled: rest.disabled || undefined, borderless: borderless, centered: centered, rippleColor: rippleColor, style: style }), children) : /*#__PURE__*/React.createElement(_reactNative.TouchableWithoutFeedback, rest, /*#__PURE__*/React.createElement(_reactNative.View, { style: style }, children)); }; const SceneComponent = /*#__PURE__*/React.memo(_ref2 => { let { component, ...rest } = _ref2; return /*#__PURE__*/React.createElement(component, rest); }); /** * Bottom navigation provides quick navigation between top-level views of an app with a bottom navigation bar. * It is primarily designed for use on mobile. * * For integration with React Navigation, you can use [react-navigation-material-bottom-tabs](https://github.com/react-navigation/react-navigation/tree/main/packages/material-bottom-tabs) and consult [createMaterialBottomTabNavigator](https://reactnavigation.org/docs/material-bottom-tab-navigator/) documentation. * * By default Bottom navigation uses primary color as a background, in dark theme with `adaptive` mode it will use surface colour instead. * See [Dark Theme](https://callstack.github.io/react-native-paper/theming.html#dark-theme) for more information. * * <div class="screenshots"> * <img class="medium" src="screenshots/bottom-navigation.gif" /> * </div> * * ## Usage * ```js * import * as React from 'react'; * import { BottomNavigation, Text } from 'react-native-paper'; * * const MusicRoute = () => <Text>Music</Text>; * * const AlbumsRoute = () => <Text>Albums</Text>; * * const RecentsRoute = () => <Text>Recents</Text>; * * const MyComponent = () => { * const [index, setIndex] = React.useState(0); * const [routes] = React.useState([ * { key: 'music', title: 'Music', icon: 'queue-music' }, * { key: 'albums', title: 'Albums', icon: 'album' }, * { key: 'recents', title: 'Recents', icon: 'history' }, * ]); * * const renderScene = BottomNavigation.SceneMap({ * music: MusicRoute, * albums: AlbumsRoute, * recents: RecentsRoute, * }); * * return ( * <BottomNavigation * navigationState={{ index, routes }} * onIndexChange={setIndex} * renderScene={renderScene} * /> * ); * }; * * export default MyComponent; * ``` */ const BottomNavigation = _ref3 => { var _safeAreaInsets$left, _safeAreaInsets$right, _safeAreaInsets$botto; let { navigationState, renderScene, renderIcon, renderLabel, renderTouchable = props => /*#__PURE__*/React.createElement(Touchable, props), getLabelText = _ref4 => { let { route } = _ref4; return route.title; }, getBadge = _ref5 => { let { route } = _ref5; return route.badge; }, getColor = _ref6 => { let { route } = _ref6; return route.color; }, getAccessibilityLabel = _ref7 => { let { route } = _ref7; return route.accessibilityLabel; }, getTestID = _ref8 => { let { route } = _ref8; return route.testID; }, activeColor, inactiveColor, keyboardHidesNavigationBar = true, barStyle, labeled = true, style, theme, sceneAnimationEnabled = false, onTabPress, onIndexChange, shifting = navigationState.routes.length > 3, safeAreaInsets, labelMaxFontSizeMultiplier = 1 } = _ref3; const { scale } = theme.animation; const focusedKey = navigationState.routes[navigationState.index].key; /** * Visibility of the navigation bar, visible state is 1 and invisible is 0. */ const visibleAnim = (0, _useAnimatedValue.default)(1); /** * Active state of individual tab items, active state is 1 and inactive state is 0. */ const tabsAnims = (0, _useAnimatedValueArray.default)(navigationState.routes.map( // focused === 1, unfocused === 0 (_, i) => i === navigationState.index ? 1 : 0)); /** * The top offset for each tab item to position it offscreen. * Placing items offscreen helps to save memory usage for inactive screens with removeClippedSubviews. * We use animated values for this to prevent unnecessary re-renders. */ const offsetsAnims = (0, _useAnimatedValueArray.default)(navigationState.routes.map( // offscreen === 1, normal === 0 (_, i) => i === navigationState.index ? 0 : 1)); /** * Index of the currently active tab. Used for setting the background color. * We don't use the color as an animated value directly, because `setValue` seems to be buggy with colors. */ const indexAnim = (0, _useAnimatedValue.default)(navigationState.index); /** * Animation for the background color ripple, used to determine it's scale and opacity. */ const rippleAnim = (0, _useAnimatedValue.default)(MIN_RIPPLE_SCALE); /** * Layout of the navigation bar. The width is used to determine the size and position of the ripple. */ const [layout, onLayout] = (0, _useLayout.default)(); /** * List of loaded tabs, tabs will be loaded when navigated to. */ const [loaded, setLoaded] = React.useState([focusedKey]); if (!loaded.includes(focusedKey)) { // Set the current tab to be loaded if it was not loaded before setLoaded(loaded => [...loaded, focusedKey]); } /** * Track whether the keyboard is visible to show and hide the navigation bar. */ const [keyboardVisible, setKeyboardVisible] = React.useState(false); const handleKeyboardShow = React.useCallback(() => { setKeyboardVisible(true); _reactNative.Animated.timing(visibleAnim, { toValue: 0, duration: 150 * scale, useNativeDriver: true }).start(); }, [scale, visibleAnim]); const handleKeyboardHide = React.useCallback(() => { _reactNative.Animated.timing(visibleAnim, { toValue: 1, duration: 100 * scale, useNativeDriver: true }).start(() => { setKeyboardVisible(false); }); }, [scale, visibleAnim]); const animateToIndex = React.useCallback(index => { // Reset the ripple to avoid glitch if it's currently animating rippleAnim.setValue(MIN_RIPPLE_SCALE); _reactNative.Animated.parallel([_reactNative.Animated.timing(rippleAnim, { toValue: 1, duration: shifting ? 400 * scale : 0, useNativeDriver: true }), ...navigationState.routes.map((_, i) => _reactNative.Animated.timing(tabsAnims[i], { toValue: i === index ? 1 : 0, duration: shifting ? 150 * scale : 0, useNativeDriver: true }))]).start(_ref9 => { let { finished } = _ref9; // Workaround a bug in native animations where this is reset after first animation tabsAnims.map((tab, i) => tab.setValue(i === index ? 1 : 0)); // Update the index to change bar's background color and then hide the ripple indexAnim.setValue(index); rippleAnim.setValue(MIN_RIPPLE_SCALE); if (finished) { // Position all inactive screens offscreen to save memory usage // Only do it when animation has finished to avoid glitches mid-transition if switching fast offsetsAnims.forEach((offset, i) => { if (i === index) { offset.setValue(0); } else { offset.setValue(1); } }); } }); }, [indexAnim, shifting, navigationState.routes, offsetsAnims, rippleAnim, scale, tabsAnims]); React.useEffect(() => { // Workaround for native animated bug in react-native@^0.57 // Context: https://github.com/callstack/react-native-paper/pull/637 animateToIndex(navigationState.index); // eslint-disable-next-line react-hooks/exhaustive-deps }, []); (0, _useIsKeyboardShown.default)({ onShow: handleKeyboardShow, onHide: handleKeyboardHide }); const prevNavigationState = React.useRef(); React.useEffect(() => { // Reset offsets of previous and current tabs before animation offsetsAnims.forEach((offset, i) => { var _prevNavigationState$; if (i === navigationState.index || i === ((_prevNavigationState$ = prevNavigationState.current) === null || _prevNavigationState$ === void 0 ? void 0 : _prevNavigationState$.index)) { offset.setValue(0); } }); animateToIndex(navigationState.index); }, [navigationState.index, animateToIndex, offsetsAnims]); const handleTabPress = index => { const event = { route: navigationState.routes[index], defaultPrevented: false, preventDefault: () => { event.defaultPrevented = true; } }; onTabPress === null || onTabPress === void 0 ? void 0 : onTabPress(event); if (event.defaultPrevented) { return; } if (index !== navigationState.index) { onIndexChange(index); } }; const jumpTo = React.useCallback(key => { const index = navigationState.routes.findIndex(route => route.key === key); onIndexChange(index); }, [navigationState.routes, onIndexChange]); const { routes } = navigationState; const { colors, dark: isDarkTheme, mode } = theme; const { backgroundColor: customBackground, elevation = 4 } = _reactNative.StyleSheet.flatten(barStyle) || {}; const approxBackgroundColor = customBackground ? customBackground : isDarkTheme && mode === 'adaptive' ? (0, _overlay.default)(elevation, colors.surface) : colors.primary; const backgroundColor = shifting ? indexAnim.interpolate({ inputRange: routes.map((_, i) => i), // FIXME: does outputRange support ColorValue or just strings? // @ts-expect-error outputRange: routes.map(route => getColor({ route }) || approxBackgroundColor) }) : approxBackgroundColor; const isDark = typeof approxBackgroundColor === 'string' ? !(0, _color.default)(approxBackgroundColor).isLight() : true; const textColor = isDark ? _colors.white : _colors.black; const activeTintColor = typeof activeColor !== 'undefined' ? activeColor : textColor; const inactiveTintColor = typeof inactiveColor !== 'undefined' ? inactiveColor : (0, _color.default)(textColor).alpha(0.5).rgb().string(); const touchColor = (0, _color.default)(activeColor || activeTintColor).alpha(0.12).rgb().string(); const maxTabWidth = routes.length > 3 ? MIN_TAB_WIDTH : MAX_TAB_WIDTH; const maxTabBarWidth = maxTabWidth * routes.length; const tabBarWidth = Math.min(layout.width, maxTabBarWidth); const tabWidth = tabBarWidth / routes.length; const rippleSize = layout.width / 4; const insets = { left: (_safeAreaInsets$left = safeAreaInsets === null || safeAreaInsets === void 0 ? void 0 : safeAreaInsets.left) !== null && _safeAreaInsets$left !== void 0 ? _safeAreaInsets$left : 0, right: (_safeAreaInsets$right = safeAreaInsets === null || safeAreaInsets === void 0 ? void 0 : safeAreaInsets.right) !== null && _safeAreaInsets$right !== void 0 ? _safeAreaInsets$right : 0, bottom: (_safeAreaInsets$botto = safeAreaInsets === null || safeAreaInsets === void 0 ? void 0 : safeAreaInsets.bottom) !== null && _safeAreaInsets$botto !== void 0 ? _safeAreaInsets$botto : BOTTOM_INSET }; return /*#__PURE__*/React.createElement(_reactNative.View, { style: [styles.container, style] }, /*#__PURE__*/React.createElement(_reactNative.View, { style: [styles.content, { backgroundColor: colors.background }] }, routes.map((route, index) => { if (!loaded.includes(route.key)) { // Don't render a screen if we've never navigated to it return null; } const focused = navigationState.index === index; const opacity = sceneAnimationEnabled ? tabsAnims[index] : focused ? 1 : 0; const top = sceneAnimationEnabled ? offsetsAnims[index].interpolate({ inputRange: [0, 1], outputRange: [0, FAR_FAR_AWAY] }) : focused ? 0 : FAR_FAR_AWAY; return /*#__PURE__*/React.createElement(_BottomNavigationRouteScreen.default, { key: route.key, pointerEvents: focused ? 'auto' : 'none', accessibilityElementsHidden: !focused, importantForAccessibility: focused ? 'auto' : 'no-hide-descendants', index: index, visibility: opacity, style: [_reactNative.StyleSheet.absoluteFill, { opacity }], collapsable: false, removeClippedSubviews: // On iOS, set removeClippedSubviews to true only when not focused // This is an workaround for a bug where the clipped view never re-appears _reactNative.Platform.OS === 'ios' ? navigationState.index !== index : true }, /*#__PURE__*/React.createElement(_reactNative.Animated.View, { style: [styles.content, { top }] }, renderScene({ route, jumpTo }))); })), /*#__PURE__*/React.createElement(_Surface.default, { style: [styles.bar, keyboardHidesNavigationBar ? { // When the keyboard is shown, slide down the navigation bar transform: [{ translateY: visibleAnim.interpolate({ inputRange: [0, 1], outputRange: [layout.height, 0] }) }], // Absolutely position the navigation bar so that the content is below it // This is needed to avoid gap at bottom when the navigation bar is hidden position: keyboardVisible ? 'absolute' : null } : null, barStyle], pointerEvents: layout.measured ? keyboardHidesNavigationBar && keyboardVisible ? 'none' : 'auto' : 'none', onLayout: onLayout }, /*#__PURE__*/React.createElement(_reactNative.Animated.View, { style: [styles.barContent, { backgroundColor }] }, /*#__PURE__*/React.createElement(_reactNative.View, { style: [styles.items, { marginBottom: insets.bottom, marginHorizontal: Math.max(insets.left, insets.right), maxWidth: maxTabBarWidth }], accessibilityRole: 'tablist' }, shifting ? /*#__PURE__*/React.createElement(_reactNative.Animated.View, { pointerEvents: "none", style: [styles.ripple, { // Since we have a single ripple, we have to reposition it so that it appears to expand from active tab. // We need to move it from the top to center of the navigation bar and from the left to the active tab. top: (BAR_HEIGHT - rippleSize) / 2, left: tabWidth * (navigationState.index + 0.5) - rippleSize / 2, height: rippleSize, width: rippleSize, borderRadius: rippleSize / 2, backgroundColor: getColor({ route: routes[navigationState.index] }), transform: [{ // Scale to twice the size to ensure it covers the whole navigation bar scale: rippleAnim.interpolate({ inputRange: [0, 1], outputRange: [0, 8] }) }], opacity: rippleAnim.interpolate({ inputRange: [0, MIN_RIPPLE_SCALE, 0.3, 1], outputRange: [0, 0, 1, 1] }) }] }) : null, routes.map((route, index) => { const focused = navigationState.index === index; const active = tabsAnims[index]; // Scale the label up const scale = labeled && shifting ? active.interpolate({ inputRange: [0, 1], outputRange: [0.5, 1] }) : 1; // Move down the icon to account for no-label in shifting and smaller label in non-shifting. const translateY = labeled ? shifting ? active.interpolate({ inputRange: [0, 1], outputRange: [7, 0] }) : 0 : 7; // We render the active icon and label on top of inactive ones and cross-fade them on change. // This trick gives the illusion that we are animating between active and inactive colors. // This is to ensure that we can use native driver, as colors cannot be animated with native driver. const activeOpacity = active; const inactiveOpacity = active.interpolate({ inputRange: [0, 1], outputRange: [1, 0] }); const badge = getBadge({ route }); return renderTouchable({ key: route.key, route, borderless: true, centered: true, rippleColor: touchColor, onPress: () => handleTabPress(index), testID: getTestID({ route }), accessibilityLabel: getAccessibilityLabel({ route }), // @ts-expect-error We keep old a11y props for backwards compat with old RN versions accessibilityTraits: focused ? ['button', 'selected'] : 'button', accessibilityComponentType: 'button', accessibilityRole: _reactNative.Platform.OS === 'ios' ? 'button' : 'tab', accessibilityState: { selected: focused }, style: styles.item, children: /*#__PURE__*/React.createElement(_reactNative.View, { pointerEvents: "none" }, /*#__PURE__*/React.createElement(_reactNative.Animated.View, { style: [styles.iconContainer, { transform: [{ translateY }] }] }, /*#__PURE__*/React.createElement(_reactNative.Animated.View, { style: [styles.iconWrapper, { opacity: activeOpacity }] }, renderIcon ? renderIcon({ route, focused: true, color: activeTintColor }) : /*#__PURE__*/React.createElement(_Icon.default, { source: route.icon, color: activeTintColor, size: 24 })), /*#__PURE__*/React.createElement(_reactNative.Animated.View, { style: [styles.iconWrapper, { opacity: inactiveOpacity }] }, renderIcon ? renderIcon({ route, focused: false, color: inactiveTintColor }) : /*#__PURE__*/React.createElement(_Icon.default, { source: route.icon, color: inactiveTintColor, size: 24 })), /*#__PURE__*/React.createElement(_reactNative.View, { style: [styles.badgeContainer, { right: (badge != null && typeof badge !== 'boolean' ? String(badge).length * -2 : 0) - 2 }] }, typeof badge === 'boolean' ? /*#__PURE__*/React.createElement(_Badge.default, { visible: badge, size: 8 }) : /*#__PURE__*/React.createElement(_Badge.default, { visible: badge != null, size: 16 }, badge))), labeled ? /*#__PURE__*/React.createElement(_reactNative.Animated.View, { style: [styles.labelContainer, { transform: [{ scale }] }] }, /*#__PURE__*/React.createElement(_reactNative.Animated.View, { style: [styles.labelWrapper, { opacity: activeOpacity }] }, renderLabel ? renderLabel({ route, focused: true, color: activeTintColor }) : /*#__PURE__*/React.createElement(_Text.default, { maxFontSizeMultiplier: labelMaxFontSizeMultiplier, style: [styles.label, { color: activeTintColor }] }, getLabelText({ route }))), shifting ? null : /*#__PURE__*/React.createElement(_reactNative.Animated.View, { style: [styles.labelWrapper, { opacity: inactiveOpacity }] }, renderLabel ? renderLabel({ route, focused: false, color: inactiveTintColor }) : /*#__PURE__*/React.createElement(_Text.default, { maxFontSizeMultiplier: labelMaxFontSizeMultiplier, selectable: false, style: [styles.label, { color: inactiveTintColor }] }, getLabelText({ route })))) : /*#__PURE__*/React.createElement(_reactNative.View, { style: styles.labelContainer })) }); }))))); }; /** * Function which takes a map of route keys to components. * Pure components are used to minimize re-rendering of the pages. * This drastically improves the animation performance. */ BottomNavigation.SceneMap = scenes => { return _ref10 => { let { route, jumpTo } = _ref10; return /*#__PURE__*/React.createElement(SceneComponent, { key: route.key, component: scenes[route.key ? route.key : ''], route: route, jumpTo: jumpTo }); }; }; var _default = (0, _theming.withTheme)(BottomNavigation); exports.default = _default; const styles = _reactNative.StyleSheet.create({ container: { flex: 1, overflow: 'hidden' }, content: { flex: 1 }, bar: { left: 0, right: 0, bottom: 0, elevation: 4 }, barContent: { alignItems: 'center', overflow: 'hidden' }, items: { flexDirection: 'row', ...(_reactNative.Platform.OS === 'web' ? { width: '100%' } : null) }, item: { flex: 1, // Top padding is 6 and bottom padding is 10 // The extra 4dp bottom padding is offset by label's height paddingVertical: 6 }, ripple: { position: 'absolute' }, iconContainer: { height: 24, width: 24, marginTop: 2, marginHorizontal: 12, alignSelf: 'center' }, iconWrapper: { ..._reactNative.StyleSheet.absoluteFillObject, alignItems: 'center' }, labelContainer: { height: 16, paddingBottom: 2 }, labelWrapper: { ..._reactNative.StyleSheet.absoluteFillObject }, // eslint-disable-next-line react-native/no-color-literals label: { fontSize: 12, height: BAR_HEIGHT, textAlign: 'center', backgroundColor: 'transparent', ...(_reactNative.Platform.OS === 'web' ? { whiteSpace: 'nowrap', alignSelf: 'center' } : null) }, badgeContainer: { position: 'absolute', left: 0, top: -2 } }); //# sourceMappingURL=BottomNavigation.js.map