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import React from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import Icon from 'mastodon/components/icon';
import AnimatedNumber from 'mastodon/components/animated_number';
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,
expanded: PropTypes.bool,
style: PropTypes.object,
activeStyle: PropTypes.object,
disabled: PropTypes.bool,
inverted: PropTypes.bool,
animate: PropTypes.bool,
overlay: PropTypes.bool,
tabIndex: PropTypes.string,
counter: PropTypes.number,
obfuscateCount: PropTypes.bool,
href: PropTypes.string,
ariaHidden: PropTypes.bool,
};
static defaultProps = {
size: 18,
active: false,
disabled: false,
animate: false,
overlay: false,
tabIndex: '0',
ariaHidden: false,
};
state = {
activate: false,
deactivate: false,
};
componentWillReceiveProps (nextProps) {
if (!nextProps.animate) return;
if (this.props.active && !nextProps.active) {
this.setState({ activate: false, deactivate: true });
} else if (!this.props.active && nextProps.active) {
this.setState({ activate: true, deactivate: false });
}
}
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,
className,
disabled,
expanded,
icon,
inverted,
overlay,
tabIndex,
title,
counter,
obfuscateCount,
href,
ariaHidden,
} = this.props;
const {
activate,
deactivate,
} = this.state;
const classes = classNames(className, 'icon-button', {
active,
disabled,
inverted,
activate,
deactivate,
overlayed: overlay,
'icon-button--with-counter': typeof counter !== 'undefined',
});
if (typeof counter !== 'undefined') {
style.width = 'auto';
}
let contents = (
<React.Fragment>
<Icon id={icon} fixedWidth aria-hidden='true' /> {typeof counter !== 'undefined' && <span className='icon-button__counter'><AnimatedNumber value={counter} obfuscate={obfuscateCount} /></span>}
</React.Fragment>
);
if (href && !this.prop) {
contents = (
<a href={href} target='_blank' rel='noopener noreferrer'>
{contents}
</a>
);
}
return (
<button
type='button'
aria-label={title}
aria-expanded={expanded}
aria-hidden={ariaHidden}
title={title}
className={classes}
onClick={this.handleClick}
onMouseDown={this.handleMouseDown}
onKeyDown={this.handleKeyDown}
onKeyPress={this.handleKeyPress}
style={style}
tabIndex={tabIndex}
disabled={disabled}
>
{contents}
</button>
);
}
}