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