124 lines
5.6 KiB
JavaScript
124 lines
5.6 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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* @format
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*/
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'use strict';
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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); }
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function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
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function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
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function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
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import * as React from 'react';
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import { useCallback, useMemo, useState, useRef } from 'react';
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import useMergeRefs from '../../modules/useMergeRefs';
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import usePressEvents from '../../hooks/usePressEvents';
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import StyleSheet from '../StyleSheet';
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import View from '../View';
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/**
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* A wrapper for making views respond properly to touches.
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* On press down, the opacity of the wrapped view is decreased, dimming it.
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*/
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function TouchableOpacity(props, forwardedRef) {
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var accessible = props.accessible,
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activeOpacity = props.activeOpacity,
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delayPressIn = props.delayPressIn,
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delayPressOut = props.delayPressOut,
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delayLongPress = props.delayLongPress,
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disabled = props.disabled,
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focusable = props.focusable,
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onLongPress = props.onLongPress,
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onPress = props.onPress,
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onPressIn = props.onPressIn,
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onPressOut = props.onPressOut,
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rejectResponderTermination = props.rejectResponderTermination,
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style = props.style,
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rest = _objectWithoutPropertiesLoose(props, ["accessible", "activeOpacity", "delayPressIn", "delayPressOut", "delayLongPress", "disabled", "focusable", "onLongPress", "onPress", "onPressIn", "onPressOut", "rejectResponderTermination", "style"]);
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var hostRef = useRef(null);
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var setRef = useMergeRefs(forwardedRef, hostRef);
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var _useState = useState('0s'),
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duration = _useState[0],
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setDuration = _useState[1];
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var _useState2 = useState(null),
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opacityOverride = _useState2[0],
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setOpacityOverride = _useState2[1];
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var setOpacityTo = useCallback(function (value, duration) {
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setOpacityOverride(value);
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setDuration(duration ? duration / 1000 + "s" : '0s');
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}, [setOpacityOverride, setDuration]);
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var setOpacityActive = useCallback(function (duration) {
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setOpacityTo(activeOpacity !== null && activeOpacity !== void 0 ? activeOpacity : 0.2, duration);
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}, [activeOpacity, setOpacityTo]);
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var setOpacityInactive = useCallback(function (duration) {
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setOpacityTo(null, duration);
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}, [setOpacityTo]);
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var pressConfig = useMemo(function () {
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return {
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cancelable: !rejectResponderTermination,
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disabled: disabled,
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delayLongPress: delayLongPress,
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delayPressStart: delayPressIn,
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delayPressEnd: delayPressOut,
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onLongPress: onLongPress,
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onPress: onPress,
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onPressStart: function onPressStart(event) {
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setOpacityActive(event.dispatchConfig.registrationName === 'onResponderGrant' ? 0 : 150);
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if (onPressIn != null) {
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onPressIn(event);
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}
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},
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onPressEnd: function onPressEnd(event) {
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setOpacityInactive(250);
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if (onPressOut != null) {
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onPressOut(event);
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}
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}
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};
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}, [delayLongPress, delayPressIn, delayPressOut, disabled, onLongPress, onPress, onPressIn, onPressOut, rejectResponderTermination, setOpacityActive, setOpacityInactive]);
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var pressEventHandlers = usePressEvents(hostRef, pressConfig);
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return React.createElement(View, _extends({}, rest, pressEventHandlers, {
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accessibilityState: _objectSpread({
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disabled: disabled
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}, props.accessibilityState),
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accessible: accessible !== false,
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focusable: focusable !== false && onPress !== undefined,
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ref: setRef,
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style: [styles.root, !disabled && styles.actionable, style, opacityOverride != null && {
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opacity: opacityOverride
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}, {
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transitionDuration: duration
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}]
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}));
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}
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var styles = StyleSheet.create({
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root: {
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transitionProperty: 'opacity',
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transitionDuration: '0.15s',
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userSelect: 'none'
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},
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actionable: {
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cursor: 'pointer',
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touchAction: 'manipulation'
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}
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});
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var MemoedTouchableOpacity = React.memo(React.forwardRef(TouchableOpacity));
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MemoedTouchableOpacity.displayName = 'TouchableOpacity';
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export default MemoedTouchableOpacity; |