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app/javascript/gabsocial/components/avatar.js

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+import ImmutablePropTypes from 'react-immutable-proptypes'
+import ImmutablePureComponent from 'react-immutable-pure-component'
+import { Map as ImmutableMap } from 'immutable'
+import { autoPlayGif } from '../initial_state'
+import Image from './image'
+
+export default class Avatar extends ImmutablePureComponent {
+
+  static propTypes = {
+    account: ImmutablePropTypes.map,
+    size: PropTypes.number.isRequired,
+    animate: PropTypes.bool,
+  }
+
+  static defaultProps = {
+    account: ImmutableMap(),
+    animate: autoPlayGif,
+    size: 40,
+  }
+
+  state = {
+    hovering: false,
+    sameImg: this.props.account.get('avatar') === this.props.account.get('avatar_static'),
+  }
+
+  handleMouseEnter = () => {
+    this.setState({ hovering: true })
+  }
+
+  handleMouseLeave = () => {
+    this.setState({ hovering: false })
+  }
+
+  render () {
+    const { account, size, animate } = this.props
+    const { hovering, sameImg } = this.state
+
+    const shouldAnimate = animate || !sameImg
+
+    const options = {
+      className: [_s.default, _s.circle].join(' '),
+      onMouseEnter: shouldAnimate ? this.handleMouseEnter : undefined,
+      onMouseLeave: shouldAnimate ? this.handleMouseLeave : undefined,
+      src: account.get((hovering || animate) ? 'avatar' : 'avatar_static'),
+      alt: account.get('display_name'),
+      style: {
+        width: `${size}px`,
+        height: `${size}px`,
+      },
+    }
+
+    return (
+      <Image {...options} />
+    )
+  }
+
+}