hometown/app/javascript/mastodon/components/icon_button.js

145 lines
3.6 KiB
JavaScript

import React from 'react';
import Motion from '../features/ui/util/optional_motion';
import spring from 'react-motion/lib/spring';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import Icon from 'mastodon/components/icon';
export default class IconButton extends React.PureComponent {
static propTypes = {
className: PropTypes.string,
title: PropTypes.string.isRequired,
icon: PropTypes.string.isRequired,
onClick: PropTypes.func,
onMouseDown: PropTypes.func,
onKeyDown: PropTypes.func,
onKeyPress: PropTypes.func,
size: PropTypes.number,
active: PropTypes.bool,
pressed: PropTypes.bool,
expanded: PropTypes.bool,
style: PropTypes.object,
activeStyle: PropTypes.object,
disabled: PropTypes.bool,
inverted: PropTypes.bool,
animate: PropTypes.bool,
overlay: PropTypes.bool,
tabIndex: PropTypes.string,
};
static defaultProps = {
size: 18,
active: false,
disabled: false,
animate: false,
overlay: false,
tabIndex: '0',
};
handleClick = (e) => {
e.preventDefault();
if (!this.props.disabled) {
this.props.onClick(e);
}
}
handleKeyPress = (e) => {
if (this.props.onKeyPress && !this.props.disabled) {
this.props.onKeyPress(e);
}
}
handleMouseDown = (e) => {
if (!this.props.disabled && this.props.onMouseDown) {
this.props.onMouseDown(e);
}
}
handleKeyDown = (e) => {
if (!this.props.disabled && this.props.onKeyDown) {
this.props.onKeyDown(e);
}
}
render () {
const style = {
fontSize: `${this.props.size}px`,
width: `${this.props.size * 1.28571429}px`,
height: `${this.props.size * 1.28571429}px`,
lineHeight: `${this.props.size}px`,
...this.props.style,
...(this.props.active ? this.props.activeStyle : {}),
};
const {
active,
animate,
className,
disabled,
expanded,
icon,
inverted,
overlay,
pressed,
tabIndex,
title,
} = this.props;
const classes = classNames(className, 'icon-button', {
active,
disabled,
inverted,
overlayed: overlay,
});
if (!animate) {
// Perf optimization: avoid unnecessary <Motion> components unless
// we actually need to animate.
return (
<button
aria-label={title}
aria-pressed={pressed}
aria-expanded={expanded}
title={title}
className={classes}
onClick={this.handleClick}
onMouseDown={this.handleMouseDown}
onKeyDown={this.handleKeyDown}
onKeyPress={this.handleKeyPress}
style={style}
tabIndex={tabIndex}
disabled={disabled}
>
<Icon id={icon} fixedWidth aria-hidden='true' />
</button>
);
}
return (
<Motion defaultStyle={{ rotate: active ? -360 : 0 }} style={{ rotate: animate ? spring(active ? -360 : 0, { stiffness: 120, damping: 7 }) : 0 }}>
{({ rotate }) => (
<button
aria-label={title}
aria-pressed={pressed}
aria-expanded={expanded}
title={title}
className={classes}
onClick={this.handleClick}
onMouseDown={this.handleMouseDown}
onKeyDown={this.handleKeyDown}
onKeyPress={this.handleKeyPress}
style={style}
tabIndex={tabIndex}
disabled={disabled}
>
<Icon id={icon} style={{ transform: `rotate(${rotate}deg)` }} fixedWidth aria-hidden='true' />
</button>
)}
</Motion>
);
}
}