react-native-paper
Version:
Material design for React Native
202 lines (197 loc) • 7.06 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var React = _interopRequireWildcard(require("react"));
var _reactNative = require("react-native");
var _color = _interopRequireDefault(require("color"));
var _theming = require("../core/theming");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
const INDETERMINATE_DURATION = 2000;
const INDETERMINATE_MAX_WIDTH = 0.6;
const {
isRTL
} = _reactNative.I18nManager;
/**
* Progress bar is an indicator used to present progress of some activity in the app.
*
* ## Usage
* ```js
* import * as React from 'react';
* import { ProgressBar, MD3Colors } from 'react-native-paper';
*
* const MyComponent = () => (
* <ProgressBar progress={0.5} color={MD3Colors.error50} />
* );
*
* export default MyComponent;
* ```
*/
const ProgressBar = ({
color,
indeterminate,
progress = 0,
visible = true,
theme: themeOverrides,
animatedValue,
style,
fillStyle,
testID = 'progress-bar',
...rest
}) => {
var _theme$colors;
const isWeb = _reactNative.Platform.OS === 'web';
const theme = (0, _theming.useInternalTheme)(themeOverrides);
const {
current: timer
} = React.useRef(new _reactNative.Animated.Value(0));
const {
current: fade
} = React.useRef(new _reactNative.Animated.Value(0));
const passedAnimatedValue = React.useRef(animatedValue);
const [width, setWidth] = React.useState(0);
const [prevWidth, setPrevWidth] = React.useState(0);
const indeterminateAnimation = React.useRef(null);
const {
scale
} = theme.animation;
React.useEffect(() => {
passedAnimatedValue.current = animatedValue;
});
const startAnimation = React.useCallback(() => {
// Show progress bar
_reactNative.Animated.timing(fade, {
duration: 200 * scale,
toValue: 1,
useNativeDriver: true,
isInteraction: false
}).start();
/**
* We shouldn't add @param animatedValue to the
* deps array, to avoid the unnecessary loop.
* We can only check if the prop is passed initially,
* and we do early return.
*/
const externalAnimation = typeof passedAnimatedValue.current !== 'undefined' && passedAnimatedValue.current >= 0;
if (externalAnimation) {
return;
}
// Animate progress bar
if (indeterminate) {
if (!indeterminateAnimation.current) {
indeterminateAnimation.current = _reactNative.Animated.timing(timer, {
duration: INDETERMINATE_DURATION,
toValue: 1,
// Animated.loop does not work if useNativeDriver is true on web
useNativeDriver: !isWeb,
isInteraction: false
});
}
// Reset timer to the beginning
timer.setValue(0);
_reactNative.Animated.loop(indeterminateAnimation.current).start();
} else {
_reactNative.Animated.timing(timer, {
duration: 200 * scale,
toValue: progress ? progress : 0,
useNativeDriver: true,
isInteraction: false
}).start();
}
}, [fade, scale, indeterminate, timer, progress, isWeb]);
const stopAnimation = React.useCallback(() => {
// Stop indeterminate animation
if (indeterminateAnimation.current) {
indeterminateAnimation.current.stop();
}
_reactNative.Animated.timing(fade, {
duration: 200 * scale,
toValue: 0,
useNativeDriver: true,
isInteraction: false
}).start();
}, [fade, scale]);
React.useEffect(() => {
if (visible) startAnimation();else stopAnimation();
}, [visible, startAnimation, stopAnimation]);
React.useEffect(() => {
if (animatedValue && animatedValue >= 0) {
timer.setValue(animatedValue);
}
}, [animatedValue, timer]);
React.useEffect(() => {
// Start animation the very first time when previously the width was unclear
if (visible && prevWidth === 0) {
startAnimation();
}
}, [prevWidth, startAnimation, visible]);
const onLayout = event => {
setPrevWidth(width);
setWidth(event.nativeEvent.layout.width);
};
const tintColor = color || ((_theme$colors = theme.colors) === null || _theme$colors === void 0 ? void 0 : _theme$colors.primary);
const trackTintColor = theme.isV3 ? theme.colors.surfaceVariant : (0, _color.default)(tintColor).alpha(0.38).rgb().string();
return /*#__PURE__*/React.createElement(_reactNative.View, _extends({
onLayout: onLayout
}, rest, {
accessible: true,
accessibilityRole: "progressbar",
accessibilityState: {
busy: visible
},
accessibilityValue: indeterminate ? {} : {
min: 0,
max: 100,
now: Math.round(progress * 100)
},
style: isWeb && styles.webContainer,
testID: testID
}), /*#__PURE__*/React.createElement(_reactNative.Animated.View, {
style: [styles.container, {
backgroundColor: trackTintColor,
opacity: fade
}, style]
}, width ? /*#__PURE__*/React.createElement(_reactNative.Animated.View, {
testID: `${testID}-fill`,
style: [styles.progressBar, {
width,
backgroundColor: tintColor,
transform: [{
translateX: timer.interpolate(indeterminate ? {
inputRange: [0, 0.5, 1],
outputRange: [(isRTL ? 1 : -1) * 0.5 * width, (isRTL ? 1 : -1) * 0.5 * INDETERMINATE_MAX_WIDTH * width, (isRTL ? -1 : 1) * 0.7 * width]
} : {
inputRange: [0, 1],
outputRange: [(isRTL ? 1 : -1) * 0.5 * width, 0]
})
}, {
// Workaround for workaround for https://github.com/facebook/react-native/issues/6278
scaleX: timer.interpolate(indeterminate ? {
inputRange: [0, 0.5, 1],
outputRange: [0.0001, INDETERMINATE_MAX_WIDTH, 0.0001]
} : {
inputRange: [0, 1],
outputRange: [0.0001, 1]
})
}]
}, fillStyle]
}) : null));
};
const styles = _reactNative.StyleSheet.create({
container: {
height: 4,
overflow: 'hidden'
},
webContainer: {
width: '100%',
height: '100%'
},
progressBar: {
flex: 1
}
});
var _default = exports.default = ProgressBar;
//# sourceMappingURL=ProgressBar.js.map