1 files changed, 103 insertions, 0 deletions
diff --git a/app/javascript/mastodon/components/avatar_composite.jsx b/app/javascript/mastodon/components/avatar_composite.jsx
new file mode 100644
index 000000000..220bf5b4f
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+++ b/app/javascript/mastodon/components/avatar_composite.jsx
@@ -0,0 +1,103 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { autoPlayGif } from '../initial_state';
+import Avatar from './avatar';
+
+export default class AvatarComposite extends React.PureComponent {
+
+  static propTypes = {
+    accounts: ImmutablePropTypes.list.isRequired,
+    animate: PropTypes.bool,
+    size: PropTypes.number.isRequired,
+  };
+
+  static defaultProps = {
+    animate: autoPlayGif,
+  };
+
+  renderItem (account, size, index) {
+    const { animate } = this.props;
+
+    let width  = 50;
+    let height = 100;
+    let top    = 'auto';
+    let left   = 'auto';
+    let bottom = 'auto';
+    let right  = 'auto';
+
+    if (size === 1) {
+      width = 100;
+    }
+
+    if (size === 4 || (size === 3 && index > 0)) {
+      height = 50;
+    }
+
+    if (size === 2) {
+      if (index === 0) {
+        right = '1px';
+      } else {
+        left = '1px';
+      }
+    } else if (size === 3) {
+      if (index === 0) {
+        right = '1px';
+      } else if (index > 0) {
+        left = '1px';
+      }
+
+      if (index === 1) {
+        bottom = '1px';
+      } else if (index > 1) {
+        top = '1px';
+      }
+    } else if (size === 4) {
+      if (index === 0 || index === 2) {
+        right = '1px';
+      }
+
+      if (index === 1 || index === 3) {
+        left = '1px';
+      }
+
+      if (index < 2) {
+        bottom = '1px';
+      } else {
+        top = '1px';
+      }
+    }
+
+    const style = {
+      left: left,
+      top: top,
+      right: right,
+      bottom: bottom,
+      width: `${width}%`,
+      height: `${height}%`,
+    };
+
+    return (
+      <div key={account.get('id')} style={style}>
+        <Avatar account={account} animate={animate} />
+      </div>
+    );
+  }
+
+  render() {
+    const { accounts, size } = this.props;
+
+    return (
+      <div className='account__avatar-composite' style={{ width: `${size}px`, height: `${size}px` }}>
+        {accounts.take(4).map((account, i) => this.renderItem(account, Math.min(accounts.size, 4), i))}
+
+        {accounts.size > 4 && (
+          <span className='account__avatar-composite__label'>
+            +{accounts.size - 4}
+          </span>
+        )}
+      </div>
+    );
+  }
+
+}