From 90bdbddbfe44be77de1d2cd88bb7f469f5d6132f Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Thu, 1 Aug 2019 19:17:17 +0200
Subject: [Glitch] Fix scroll to top in single column UI

Port 2dee293c4c98486d387105224023fad02b8b0d96 to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>
---
 app/javascript/flavours/glitch/components/column.js       | 15 ++++++++++++---
 .../flavours/glitch/components/column_back_button.js      | 15 ++++++++++++++-
 2 files changed, 26 insertions(+), 4 deletions(-)

(limited to 'app/javascript/flavours/glitch/components')

diff --git a/app/javascript/flavours/glitch/components/column.js b/app/javascript/flavours/glitch/components/column.js
index dc87818a5..5819d5362 100644
--- a/app/javascript/flavours/glitch/components/column.js
+++ b/app/javascript/flavours/glitch/components/column.js
@@ -10,10 +10,11 @@ export default class Column extends React.PureComponent {
     extraClasses: PropTypes.string,
     name: PropTypes.string,
     label: PropTypes.string,
+    bindToDocument: PropTypes.bool,
   };
 
   scrollTop () {
-    const scrollable = this.node.querySelector('.scrollable');
+    const scrollable = this.props.bindToDocument ? document.scrollingElement : this.node.querySelector('.scrollable');
 
     if (!scrollable) {
       return;
@@ -35,11 +36,19 @@ export default class Column extends React.PureComponent {
   }
 
   componentDidMount () {
-    this.node.addEventListener('wheel', this.handleWheel,  detectPassiveEvents.hasSupport ? { passive: true } : false);
+    if (this.props.bindToDocument) {
+      document.addEventListener('wheel', this.handleWheel,  detectPassiveEvents.hasSupport ? { passive: true } : false);
+    } else {
+      this.node.addEventListener('wheel', this.handleWheel,  detectPassiveEvents.hasSupport ? { passive: true } : false);
+    }
   }
 
   componentWillUnmount () {
-    this.node.removeEventListener('wheel', this.handleWheel);
+    if (this.props.bindToDocument) {
+      document.removeEventListener('wheel', this.handleWheel);
+    } else {
+      this.node.removeEventListener('wheel', this.handleWheel);
+    }
   }
 
   render () {
diff --git a/app/javascript/flavours/glitch/components/column_back_button.js b/app/javascript/flavours/glitch/components/column_back_button.js
index a0260e5af..8326cbb79 100644
--- a/app/javascript/flavours/glitch/components/column_back_button.js
+++ b/app/javascript/flavours/glitch/components/column_back_button.js
@@ -2,6 +2,7 @@ import React from 'react';
 import { FormattedMessage } from 'react-intl';
 import PropTypes from 'prop-types';
 import Icon from 'flavours/glitch/components/icon';
+import { createPortal } from 'react-dom';
 
 export default class ColumnBackButton extends React.PureComponent {
 
@@ -9,6 +10,10 @@ export default class ColumnBackButton extends React.PureComponent {
     router: PropTypes.object,
   };
 
+  static propTypes = {
+    multiColumn: PropTypes.bool,
+  };
+
   handleClick = (event) => {
     // if history is exhausted, or we would leave mastodon, just go to root.
     if (window.history.state) {
@@ -24,12 +29,20 @@ export default class ColumnBackButton extends React.PureComponent {
   }
 
   render () {
-    return (
+    const { multiColumn } = this.props;
+
+    const component = (
       <button onClick={this.handleClick} className='column-back-button'>
         <Icon id='chevron-left' className='column-back-button__icon' fixedWidth />
         <FormattedMessage id='column_back_button.label' defaultMessage='Back' />
       </button>
     );
+
+    if (multiColumn) {
+      return component;
+    } else {
+      return createPortal(component, document.getElementById('tabs-bar__portal'));
+    }
   }
 
 }
-- 
cgit