Change custom emoji to be animated when hovering container (#15637)

Co-authored-by: Claire <claire.github-309c@sitedethib.com>

1 files changed, 19 insertions, 24 deletions

diff --git a/app/javascript/mastodon/components/status_content.js b/app/javascript/mastodon/components/status_content.js
index 190ced1a8..35bd50514 100644
--- a/app/javascript/mastodon/components/status_content.js
+++ b/app/javascript/mastodon/components/status_content.js
@@ -75,35 +75,38 @@ export default class StatusContent extends React.PureComponent {
     }
   }
 
-  _updateStatusEmojis () {
-    const node = this.node;
-
-    if (!node || autoPlayGif) {
+  handleMouseEnter = ({ currentTarget }) => {
+    if (autoPlayGif) {
       return;
     }
 
-    const emojis = node.querySelectorAll('.custom-emoji');
+    const emojis = currentTarget.querySelectorAll('.custom-emoji');
 
     for (var i = 0; i < emojis.length; i++) {
       let emoji = emojis[i];
-      if (emoji.classList.contains('status-emoji')) {
-        continue;
-      }
-      emoji.classList.add('status-emoji');
+      emoji.src = emoji.getAttribute('data-original');
+    }
+  }
+
+  handleMouseLeave = ({ currentTarget }) => {
+    if (autoPlayGif) {
+      return;
+    }
+
+    const emojis = currentTarget.querySelectorAll('.custom-emoji');
 
-      emoji.addEventListener('mouseenter', this.handleEmojiMouseEnter, false);
-      emoji.addEventListener('mouseleave', this.handleEmojiMouseLeave, false);
+    for (var i = 0; i < emojis.length; i++) {
+      let emoji = emojis[i];
+      emoji.src = emoji.getAttribute('data-static');
     }
   }
 
   componentDidMount () {
     this._updateStatusLinks();
-    this._updateStatusEmojis();
   }
 
   componentDidUpdate () {
     this._updateStatusLinks();
-    this._updateStatusEmojis();
   }
 
   onMentionClick = (mention, e) => {
@@ -122,14 +125,6 @@ export default class StatusContent extends React.PureComponent {
     }
   }
 
-  handleEmojiMouseEnter = ({ target }) => {
-    target.src = target.getAttribute('data-original');
-  }
-
-  handleEmojiMouseLeave = ({ target }) => {
-    target.src = target.getAttribute('data-static');
-  }
-
   handleMouseDown = (e) => {
     this.startXY = [e.clientX, e.clientY];
   }
@@ -219,7 +214,7 @@ export default class StatusContent extends React.PureComponent {
       }
 
       return (
-        <div className={classNames} ref={this.setRef} tabIndex='0' onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp}>
+        <div className={classNames} ref={this.setRef} tabIndex='0' onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
           <p style={{ marginBottom: hidden && status.get('mentions').isEmpty() ? '0px' : null }}>
             <span dangerouslySetInnerHTML={spoilerContent} className='translate' />
             {' '}
@@ -237,7 +232,7 @@ export default class StatusContent extends React.PureComponent {
       );
     } else if (this.props.onClick) {
       const output = [
-        <div className={classNames} ref={this.setRef} tabIndex='0' onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp} key='status-content'>
+        <div className={classNames} ref={this.setRef} tabIndex='0' onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp} key='status-content' onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
           <div className='status__content__text status__content__text--visible translate' dangerouslySetInnerHTML={content} />
 
           {!!status.get('poll') && <PollContainer pollId={status.get('poll')} />}
@@ -253,7 +248,7 @@ export default class StatusContent extends React.PureComponent {
       return output;
     } else {
       return (
-        <div className={classNames} ref={this.setRef} tabIndex='0'>
+        <div className={classNames} ref={this.setRef} tabIndex='0' onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
           <div className='status__content__text status__content__text--visible translate' dangerouslySetInnerHTML={content} />
 
           {!!status.get('poll') && <PollContainer pollId={status.get('poll')} />}