1 files changed, 159 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/features/account_gallery/components/media_item.js b/app/javascript/flavours/glitch/features/account_gallery/components/media_item.js
new file mode 100644
index 000000000..f1cb3f9e4
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/account_gallery/components/media_item.js
@@ -0,0 +1,159 @@
+import { decode } from 'blurhash';
+import classNames from 'classnames';
+import Icon from 'flavours/glitch/components/icon';
+import { autoPlayGif, displayMedia } from 'flavours/glitch/util/initial_state';
+import { isIOS } from 'flavours/glitch/util/is_mobile';
+import PropTypes from 'prop-types';
+import React from 'react';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+
+export default class MediaItem extends ImmutablePureComponent {
+
+  static propTypes = {
+    attachment: ImmutablePropTypes.map.isRequired,
+    displayWidth: PropTypes.number.isRequired,
+    onOpenMedia: PropTypes.func.isRequired,
+  };
+
+  state = {
+    visible: displayMedia !== 'hide_all' && !this.props.attachment.getIn(['status', 'sensitive']) || displayMedia === 'show_all',
+    loaded: false,
+  };
+
+  componentDidMount () {
+    if (this.props.attachment.get('blurhash')) {
+      this._decode();
+    }
+  }
+
+  componentDidUpdate (prevProps) {
+    if (prevProps.attachment.get('blurhash') !== this.props.attachment.get('blurhash') && this.props.attachment.get('blurhash')) {
+      this._decode();
+    }
+  }
+
+  _decode () {
+    const hash   = this.props.attachment.get('blurhash');
+    const pixels = decode(hash, 32, 32);
+
+    if (pixels) {
+      const ctx       = this.canvas.getContext('2d');
+      const imageData = new ImageData(pixels, 32, 32);
+
+      ctx.putImageData(imageData, 0, 0);
+    }
+  }
+
+  setCanvasRef = c => {
+    this.canvas = c;
+  }
+
+  handleImageLoad = () => {
+    this.setState({ loaded: true });
+  }
+
+  handleMouseEnter = e => {
+    if (this.hoverToPlay()) {
+      e.target.play();
+    }
+  }
+
+  handleMouseLeave = e => {
+    if (this.hoverToPlay()) {
+      e.target.pause();
+      e.target.currentTime = 0;
+    }
+  }
+
+  hoverToPlay () {
+    return !autoPlayGif && ['gifv', 'video'].indexOf(this.props.attachment.get('type')) !== -1;
+  }
+
+  handleClick = e => {
+    if (e.button === 0 && !(e.ctrlKey || e.metaKey)) {
+      e.preventDefault();
+
+      if (this.state.visible) {
+        this.props.onOpenMedia(this.props.attachment);
+      } else {
+        this.setState({ visible: true });
+      }
+    }
+  }
+
+  render () {
+    const { attachment, displayWidth } = this.props;
+    const { visible, loaded } = this.state;
+
+    const width  = `${Math.floor((displayWidth - 4) / 3) - 4}px`;
+    const height = width;
+    const status = attachment.get('status');
+    const title = status.get('spoiler_text') || attachment.get('description');
+
+    let thumbnail = '';
+
+    if (attachment.get('type') === 'unknown') {
+      // Skip
+    } else if (attachment.get('type') === 'audio') {
+      thumbnail = (
+        <span className='account-gallery__item__icons'>
+          <Icon id='music' />
+        </span>
+      );
+    } else if (attachment.get('type') === 'image') {
+      const focusX = attachment.getIn(['meta', 'focus', 'x']) || 0;
+      const focusY = attachment.getIn(['meta', 'focus', 'y']) || 0;
+      const x      = ((focusX /  2) + .5) * 100;
+      const y      = ((focusY / -2) + .5) * 100;
+
+      thumbnail = (
+        <img
+          src={attachment.get('preview_url')}
+          alt={attachment.get('description')}
+          title={attachment.get('description')}
+          style={{ objectPosition: `${x}% ${y}%` }}
+          onLoad={this.handleImageLoad}
+        />
+      );
+    } else if (['gifv', 'video'].indexOf(attachment.get('type')) !== -1) {
+      const autoPlay = !isIOS() && autoPlayGif;
+      const label    = attachment.get('type') === 'video' ? <Icon id='play' /> : 'GIF';
+
+      thumbnail = (
+        <div className={classNames('media-gallery__gifv', { autoplay: autoPlay })}>
+          <video
+            className='media-gallery__item-gifv-thumbnail'
+            aria-label={attachment.get('description')}
+            title={attachment.get('description')}
+            role='application'
+            src={attachment.get('url')}
+            onMouseEnter={this.handleMouseEnter}
+            onMouseLeave={this.handleMouseLeave}
+            autoPlay={autoPlay}
+            loop
+            muted
+          />
+
+          <span className='media-gallery__gifv__label'>{label}</span>
+        </div>
+      );
+    }
+
+    const icon = (
+      <span className='account-gallery__item__icons'>
+        <Icon id='eye-slash' />
+      </span>
+    );
+
+    return (
+      <div className='account-gallery__item' style={{ width, height }}>
+        <a className='media-gallery__item-thumbnail' href={status.get('url')} onClick={this.handleClick} title={title} target='_blank' rel='noopener noreferrer'>
+          <canvas width={32} height={32} ref={this.setCanvasRef} className={classNames('media-gallery__preview', { 'media-gallery__preview--hidden': visible && loaded })} />
+          {visible ? thumbnail : icon}
+        </a>
+      </div>
+    );
+  }
+
+}