rmc-feedback/es/TouchFeedback.js

:active pseudo-class with react for mobile

import _extends from 'babel-runtime/helpers/extends';
import _classCallCheck from 'babel-runtime/helpers/classCallCheck';
import _createClass from 'babel-runtime/helpers/createClass';
import _possibleConstructorReturn from 'babel-runtime/helpers/possibleConstructorReturn';
import _inherits from 'babel-runtime/helpers/inherits';
import React from 'react';
import classNames from 'classnames';

var TouchFeedback = function (_React$Component) {
    _inherits(TouchFeedback, _React$Component);

    function TouchFeedback() {
        _classCallCheck(this, TouchFeedback);

        var _this = _possibleConstructorReturn(this, (TouchFeedback.__proto__ || Object.getPrototypeOf(TouchFeedback)).apply(this, arguments));

        _this.state = {
            active: false
        };
        _this.onTouchStart = function (e) {
            _this.triggerEvent('TouchStart', true, e);
        };
        _this.onTouchMove = function (e) {
            _this.triggerEvent('TouchMove', false, e);
        };
        _this.onTouchEnd = function (e) {
            _this.triggerEvent('TouchEnd', false, e);
        };
        _this.onTouchCancel = function (e) {
            _this.triggerEvent('TouchCancel', false, e);
        };
        _this.onMouseDown = function (e) {
            // pc simulate mobile
            _this.triggerEvent('MouseDown', true, e);
        };
        _this.onMouseUp = function (e) {
            _this.triggerEvent('MouseUp', false, e);
        };
        _this.onMouseLeave = function (e) {
            _this.triggerEvent('MouseLeave', false, e);
        };
        return _this;
    }

    _createClass(TouchFeedback, [{
        key: 'componentDidUpdate',
        value: function componentDidUpdate() {
            if (this.props.disabled && this.state.active) {
                this.setState({
                    active: false
                });
            }
        }
    }, {
        key: 'triggerEvent',
        value: function triggerEvent(type, isActive, ev) {
            var eventType = 'on' + type;
            var children = this.props.children;

            if (children.props[eventType]) {
                children.props[eventType](ev);
            }
            if (isActive !== this.state.active) {
                this.setState({
                    active: isActive
                });
            }
        }
    }, {
        key: 'render',
        value: function render() {
            var _props = this.props,
                children = _props.children,
                disabled = _props.disabled,
                activeClassName = _props.activeClassName,
                activeStyle = _props.activeStyle;

            var events = disabled ? undefined : {
                onTouchStart: this.onTouchStart,
                onTouchMove: this.onTouchMove,
                onTouchEnd: this.onTouchEnd,
                onTouchCancel: this.onTouchCancel,
                onMouseDown: this.onMouseDown,
                onMouseUp: this.onMouseUp,
                onMouseLeave: this.onMouseLeave
            };
            var child = React.Children.only(children);
            if (!disabled && this.state.active) {
                var _child$props = child.props,
                    style = _child$props.style,
                    className = _child$props.className;

                if (activeStyle !== false) {
                    if (activeStyle) {
                        style = _extends({}, style, activeStyle);
                    }
                    className = classNames(className, activeClassName);
                }
                return React.cloneElement(child, _extends({ className: className,
                    style: style }, events));
            }
            return React.cloneElement(child, events);
        }
    }]);

    return TouchFeedback;
}(React.Component);

export default TouchFeedback;

TouchFeedback.defaultProps = {
    disabled: false
};