1 files changed, 137 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/components/icon_button.js b/app/javascript/flavours/glitch/components/icon_button.js
new file mode 100644
index 000000000..13b91e8a1
--- /dev/null
+++ b/app/javascript/flavours/glitch/components/icon_button.js
@@ -0,0 +1,137 @@
+import React from 'react';
+import Motion from 'flavours/glitch/util/optional_motion';
+import spring from 'react-motion/lib/spring';
+import PropTypes from 'prop-types';
+import classNames from 'classnames';
+
+export default class IconButton extends React.PureComponent {
+
+  static propTypes = {
+    className: PropTypes.string,
+    title: PropTypes.string.isRequired,
+    icon: PropTypes.string.isRequired,
+    onClick: 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,
+    flip: PropTypes.bool,
+    overlay: PropTypes.bool,
+    tabIndex: PropTypes.string,
+    label: 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);
+    }
+  }
+
+  render () {
+    let style = {
+      fontSize: `${this.props.size}px`,
+      height: `${this.props.size * 1.28571429}px`,
+      lineHeight: `${this.props.size}px`,
+      ...this.props.style,
+      ...(this.props.active ? this.props.activeStyle : {}),
+    };
+    if (!this.props.label) {
+      style.width = `${this.props.size * 1.28571429}px`;
+    } else {
+      style.textAlign = 'left';
+    }
+
+    const {
+      active,
+      animate,
+      className,
+      disabled,
+      expanded,
+      icon,
+      inverted,
+      flip,
+      overlay,
+      pressed,
+      tabIndex,
+      title,
+    } = this.props;
+
+    const classes = classNames(className, 'icon-button', {
+      active,
+      disabled,
+      inverted,
+      overlayed: overlay,
+    });
+
+    const flipDeg = flip ? -180 : -360;
+    const rotateDeg = active ? flipDeg : 0;
+
+    const motionDefaultStyle = {
+      rotate: rotateDeg,
+    };
+
+    const springOpts = {
+      stiffness: this.props.flip ? 60 : 120,
+      damping: 7,
+    };
+    const motionStyle = {
+      rotate: animate ? spring(rotateDeg, springOpts) : 0,
+    };
+
+    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}
+          style={style}
+          tabIndex={tabIndex}
+        >
+          <i className={`fa fa-fw fa-${icon}`} aria-hidden='true' />
+        </button>
+      );
+    }
+
+    return (
+      <Motion defaultStyle={motionDefaultStyle} style={motionStyle}>
+        {({ rotate }) =>
+          <button
+            aria-label={title}
+            aria-pressed={pressed}
+            aria-expanded={expanded}
+            title={title}
+            className={classes}
+            onClick={this.handleClick}
+            style={style}
+            tabIndex={tabIndex}
+          >
+            <i style={{ transform: `rotate(${rotate}deg)` }} className={`fa fa-fw fa-${icon}`} aria-hidden='true' />
+            {this.props.label}
+          </button>
+        }
+      </Motion>
+    );
+  }
+
+}