From 06c83527f5e4b7c8460f7d4a62322d2b8e805056 Mon Sep 17 00:00:00 2001
From: Yamagishi Kazutoshi <ykzts@desire.sh>
Date: Sun, 29 Jul 2018 23:52:06 +0900
Subject: [PATCH] Do not scroll up when modal is opened (#8095)

---
 .../mastodon/components/status_list.js        |  6 +-
 .../features/account_gallery/index.js         |  5 +-
 .../features/account_timeline/index.js        |  4 +-
 .../mastodon/features/blocks/index.js         |  9 +--
 .../features/community_timeline/index.js      |  4 +-
 .../features/direct_timeline/index.js         |  4 +-
 .../mastodon/features/domain_blocks/index.js  | 13 ++--
 .../features/favourited_statuses/index.js     |  4 +-
 .../mastodon/features/favourites/index.js     |  7 ++-
 .../features/follow_requests/index.js         |  9 +--
 .../mastodon/features/followers/index.js      |  7 ++-
 .../mastodon/features/following/index.js      |  7 ++-
 .../features/hashtag_timeline/index.js        |  4 +-
 .../mastodon/features/home_timeline/index.js  |  4 +-
 .../mastodon/features/list_timeline/index.js  |  4 +-
 .../mastodon/features/mutes/index.js          |  9 +--
 .../features/pinned_statuses/index.js         |  4 +-
 .../features/public_timeline/index.js         |  4 +-
 .../mastodon/features/reblogs/index.js        |  7 ++-
 .../mastodon/features/status/index.js         |  6 +-
 .../features/ui/components/media_modal.js     |  2 +-
 app/javascript/mastodon/features/ui/index.js  | 61 ++++++++++---------
 22 files changed, 108 insertions(+), 76 deletions(-)

diff --git a/app/javascript/mastodon/components/status_list.js b/app/javascript/mastodon/components/status_list.js
index 68c9eef54..37f21fb44 100644
--- a/app/javascript/mastodon/components/status_list.js
+++ b/app/javascript/mastodon/components/status_list.js
@@ -1,12 +1,12 @@
 import { debounce } from 'lodash';
 import React from 'react';
+import { FormattedMessage } from 'react-intl';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import PropTypes from 'prop-types';
 import StatusContainer from '../containers/status_container';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import LoadGap from './load_gap';
 import ScrollableList from './scrollable_list';
-import { FormattedMessage } from 'react-intl';
 
 export default class StatusList extends ImmutablePureComponent {
 
@@ -71,7 +71,7 @@ export default class StatusList extends ImmutablePureComponent {
   }
 
   render () {
-    const { statusIds, featuredStatusIds, onLoadMore, timelineId, ...other }  = this.props;
+    const { statusIds, featuredStatusIds, shouldUpdateScroll, onLoadMore, timelineId, ...other }  = this.props;
     const { isLoading, isPartial } = other;
 
     if (isPartial) {
@@ -122,7 +122,7 @@ export default class StatusList extends ImmutablePureComponent {
     }
 
     return (
-      <ScrollableList {...other} onLoadMore={onLoadMore && this.handleLoadOlder} ref={this.setRef}>
+      <ScrollableList {...other} onLoadMore={onLoadMore && this.handleLoadOlder} shouldUpdateScroll={shouldUpdateScroll} ref={this.setRef}>
         {scrollableContent}
       </ScrollableList>
     );
diff --git a/app/javascript/mastodon/features/account_gallery/index.js b/app/javascript/mastodon/features/account_gallery/index.js
index 5f564d3a9..a6c464aff 100644
--- a/app/javascript/mastodon/features/account_gallery/index.js
+++ b/app/javascript/mastodon/features/account_gallery/index.js
@@ -23,6 +23,7 @@ const mapStateToProps = (state, props) => ({
 class LoadMoreMedia extends ImmutablePureComponent {
 
   static propTypes = {
+    shouldUpdateScroll: PropTypes.func,
     maxId: PropTypes.string,
     onLoadMore: PropTypes.func.isRequired,
   };
@@ -90,7 +91,7 @@ export default class AccountGallery extends ImmutablePureComponent {
   }
 
   render () {
-    const { medias, isLoading, hasMore } = this.props;
+    const { medias, shouldUpdateScroll, isLoading, hasMore } = this.props;
 
     let loadOlder = null;
 
@@ -110,7 +111,7 @@ export default class AccountGallery extends ImmutablePureComponent {
       <Column>
         <ColumnBackButton />
 
-        <ScrollContainer scrollKey='account_gallery'>
+        <ScrollContainer scrollKey='account_gallery' shouldUpdateScroll={shouldUpdateScroll}>
           <div className='scrollable' onScroll={this.handleScroll}>
             <HeaderContainer accountId={this.props.params.accountId} />
 
diff --git a/app/javascript/mastodon/features/account_timeline/index.js b/app/javascript/mastodon/features/account_timeline/index.js
index d329bac5c..934513cd7 100644
--- a/app/javascript/mastodon/features/account_timeline/index.js
+++ b/app/javascript/mastodon/features/account_timeline/index.js
@@ -29,6 +29,7 @@ export default class AccountTimeline extends ImmutablePureComponent {
   static propTypes = {
     params: PropTypes.object.isRequired,
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     statusIds: ImmutablePropTypes.list,
     featuredStatusIds: ImmutablePropTypes.list,
     isLoading: PropTypes.bool,
@@ -61,7 +62,7 @@ export default class AccountTimeline extends ImmutablePureComponent {
   }
 
   render () {
-    const { statusIds, featuredStatusIds, isLoading, hasMore } = this.props;
+    const { shouldUpdateScroll, statusIds, featuredStatusIds, isLoading, hasMore } = this.props;
 
     if (!statusIds && isLoading) {
       return (
@@ -83,6 +84,7 @@ export default class AccountTimeline extends ImmutablePureComponent {
           isLoading={isLoading}
           hasMore={hasMore}
           onLoadMore={this.handleLoadMore}
+          shouldUpdateScroll={shouldUpdateScroll}
         />
       </Column>
     );
diff --git a/app/javascript/mastodon/features/blocks/index.js b/app/javascript/mastodon/features/blocks/index.js
index 14a512ae8..0b88e50ae 100644
--- a/app/javascript/mastodon/features/blocks/index.js
+++ b/app/javascript/mastodon/features/blocks/index.js
@@ -1,5 +1,7 @@
 import React from 'react';
 import { connect } from 'react-redux';
+import { defineMessages, injectIntl } from 'react-intl';
+import ImmutablePureComponent from 'react-immutable-pure-component';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import PropTypes from 'prop-types';
 import LoadingIndicator from '../../components/loading_indicator';
@@ -8,8 +10,6 @@ import Column from '../ui/components/column';
 import ColumnBackButtonSlim from '../../components/column_back_button_slim';
 import AccountContainer from '../../containers/account_container';
 import { fetchBlocks, expandBlocks } from '../../actions/blocks';
-import { defineMessages, injectIntl } from 'react-intl';
-import ImmutablePureComponent from 'react-immutable-pure-component';
 
 const messages = defineMessages({
   heading: { id: 'column.blocks', defaultMessage: 'Blocked users' },
@@ -26,6 +26,7 @@ export default class Blocks extends ImmutablePureComponent {
   static propTypes = {
     params: PropTypes.object.isRequired,
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     accountIds: ImmutablePropTypes.list,
     intl: PropTypes.object.isRequired,
   };
@@ -43,7 +44,7 @@ export default class Blocks extends ImmutablePureComponent {
   }
 
   render () {
-    const { intl, accountIds } = this.props;
+    const { intl, accountIds, shouldUpdateScroll } = this.props;
 
     if (!accountIds) {
       return (
@@ -56,7 +57,7 @@ export default class Blocks extends ImmutablePureComponent {
     return (
       <Column icon='ban' heading={intl.formatMessage(messages.heading)}>
         <ColumnBackButtonSlim />
-        <ScrollContainer scrollKey='blocks'>
+        <ScrollContainer scrollKey='blocks' shouldUpdateScroll={shouldUpdateScroll}>
           <div className='scrollable' onScroll={this.handleScroll}>
             {accountIds.map(id =>
               <AccountContainer key={id} id={id} />
diff --git a/app/javascript/mastodon/features/community_timeline/index.js b/app/javascript/mastodon/features/community_timeline/index.js
index eb9ad97a2..1cd5cf157 100644
--- a/app/javascript/mastodon/features/community_timeline/index.js
+++ b/app/javascript/mastodon/features/community_timeline/index.js
@@ -39,6 +39,7 @@ export default class CommunityTimeline extends React.PureComponent {
 
   static propTypes = {
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     columnId: PropTypes.string,
     intl: PropTypes.object.isRequired,
     hasUnread: PropTypes.bool,
@@ -100,7 +101,7 @@ export default class CommunityTimeline extends React.PureComponent {
   }
 
   render () {
-    const { intl, hasUnread, columnId, multiColumn, onlyMedia } = this.props;
+    const { intl, shouldUpdateScroll, hasUnread, columnId, multiColumn, onlyMedia } = this.props;
     const pinned = !!columnId;
 
     return (
@@ -124,6 +125,7 @@ export default class CommunityTimeline extends React.PureComponent {
           timelineId={`community${onlyMedia ? ':media' : ''}`}
           onLoadMore={this.handleLoadMore}
           emptyMessage={<FormattedMessage id='empty_column.community' defaultMessage='The local timeline is empty. Write something publicly to get the ball rolling!' />}
+          shouldUpdateScroll={shouldUpdateScroll}
         />
       </Column>
     );
diff --git a/app/javascript/mastodon/features/direct_timeline/index.js b/app/javascript/mastodon/features/direct_timeline/index.js
index 63dc41d9e..2181c75b6 100644
--- a/app/javascript/mastodon/features/direct_timeline/index.js
+++ b/app/javascript/mastodon/features/direct_timeline/index.js
@@ -23,6 +23,7 @@ export default class DirectTimeline extends React.PureComponent {
 
   static propTypes = {
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     columnId: PropTypes.string,
     intl: PropTypes.object.isRequired,
     hasUnread: PropTypes.bool,
@@ -71,7 +72,7 @@ export default class DirectTimeline extends React.PureComponent {
   }
 
   render () {
-    const { intl, hasUnread, columnId, multiColumn } = this.props;
+    const { intl, shouldUpdateScroll, hasUnread, columnId, multiColumn } = this.props;
     const pinned = !!columnId;
 
     return (
@@ -93,6 +94,7 @@ export default class DirectTimeline extends React.PureComponent {
           timelineId='direct'
           onLoadMore={this.handleLoadMore}
           emptyMessage={<FormattedMessage id='empty_column.direct' defaultMessage="You don't have any direct messages yet. When you send or receive one, it will show up here." />}
+          shouldUpdateScroll={shouldUpdateScroll}
         />
       </Column>
     );
diff --git a/app/javascript/mastodon/features/domain_blocks/index.js b/app/javascript/mastodon/features/domain_blocks/index.js
index b8a942d6c..e4e2b5239 100644
--- a/app/javascript/mastodon/features/domain_blocks/index.js
+++ b/app/javascript/mastodon/features/domain_blocks/index.js
@@ -1,15 +1,15 @@
 import React from 'react';
 import { connect } from 'react-redux';
-import ImmutablePropTypes from 'react-immutable-proptypes';
+import { defineMessages, injectIntl } from 'react-intl';
+import ImmutablePureComponent from 'react-immutable-pure-component';
 import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { debounce } from 'lodash';
 import LoadingIndicator from '../../components/loading_indicator';
 import Column from '../ui/components/column';
 import ColumnBackButtonSlim from '../../components/column_back_button_slim';
 import DomainContainer from '../../containers/domain_container';
 import { fetchDomainBlocks, expandDomainBlocks } from '../../actions/domain_blocks';
-import { defineMessages, injectIntl } from 'react-intl';
-import ImmutablePureComponent from 'react-immutable-pure-component';
-import { debounce } from 'lodash';
 import ScrollableList from '../../components/scrollable_list';
 
 const messages = defineMessages({
@@ -28,6 +28,7 @@ export default class Blocks extends ImmutablePureComponent {
   static propTypes = {
     params: PropTypes.object.isRequired,
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     domains: ImmutablePropTypes.orderedSet,
     intl: PropTypes.object.isRequired,
   };
@@ -41,7 +42,7 @@ export default class Blocks extends ImmutablePureComponent {
   }, 300, { leading: true });
 
   render () {
-    const { intl, domains } = this.props;
+    const { intl, domains, shouldUpdateScroll } = this.props;
 
     if (!domains) {
       return (
@@ -54,7 +55,7 @@ export default class Blocks extends ImmutablePureComponent {
     return (
       <Column icon='minus-circle' heading={intl.formatMessage(messages.heading)}>
         <ColumnBackButtonSlim />
-        <ScrollableList scrollKey='domain_blocks' onLoadMore={this.handleLoadMore}>
+        <ScrollableList scrollKey='domain_blocks' onLoadMore={this.handleLoadMore} shouldUpdateScroll={shouldUpdateScroll}>
           {domains.map(domain =>
             <DomainContainer key={domain} domain={domain} />
           )}
diff --git a/app/javascript/mastodon/features/favourited_statuses/index.js b/app/javascript/mastodon/features/favourited_statuses/index.js
index 6f1c863b4..3973ed3cb 100644
--- a/app/javascript/mastodon/features/favourited_statuses/index.js
+++ b/app/javascript/mastodon/features/favourited_statuses/index.js
@@ -27,6 +27,7 @@ export default class Favourites extends ImmutablePureComponent {
 
   static propTypes = {
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     statusIds: ImmutablePropTypes.list.isRequired,
     intl: PropTypes.object.isRequired,
     columnId: PropTypes.string,
@@ -67,7 +68,7 @@ export default class Favourites extends ImmutablePureComponent {
   }, 300, { leading: true })
 
   render () {
-    const { intl, statusIds, columnId, multiColumn, hasMore, isLoading } = this.props;
+    const { intl, shouldUpdateScroll, statusIds, columnId, multiColumn, hasMore, isLoading } = this.props;
     const pinned = !!columnId;
 
     return (
@@ -90,6 +91,7 @@ export default class Favourites extends ImmutablePureComponent {
           hasMore={hasMore}
           isLoading={isLoading}
           onLoadMore={this.handleLoadMore}
+          shouldUpdateScroll={shouldUpdateScroll}
         />
       </Column>
     );
diff --git a/app/javascript/mastodon/features/favourites/index.js b/app/javascript/mastodon/features/favourites/index.js
index 6f113beb4..40fe6c9a8 100644
--- a/app/javascript/mastodon/features/favourites/index.js
+++ b/app/javascript/mastodon/features/favourites/index.js
@@ -1,5 +1,6 @@
 import React from 'react';
 import { connect } from 'react-redux';
+import ImmutablePureComponent from 'react-immutable-pure-component';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import LoadingIndicator from '../../components/loading_indicator';
@@ -8,7 +9,6 @@ import { ScrollContainer } from 'react-router-scroll-4';
 import AccountContainer from '../../containers/account_container';
 import Column from '../ui/components/column';
 import ColumnBackButton from '../../components/column_back_button';
-import ImmutablePureComponent from 'react-immutable-pure-component';
 
 const mapStateToProps = (state, props) => ({
   accountIds: state.getIn(['user_lists', 'favourited_by', props.params.statusId]),
@@ -20,6 +20,7 @@ export default class Favourites extends ImmutablePureComponent {
   static propTypes = {
     params: PropTypes.object.isRequired,
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     accountIds: ImmutablePropTypes.list,
   };
 
@@ -34,7 +35,7 @@ export default class Favourites extends ImmutablePureComponent {
   }
 
   render () {
-    const { accountIds } = this.props;
+    const { shouldUpdateScroll, accountIds } = this.props;
 
     if (!accountIds) {
       return (
@@ -48,7 +49,7 @@ export default class Favourites extends ImmutablePureComponent {
       <Column>
         <ColumnBackButton />
 
-        <ScrollContainer scrollKey='favourites'>
+        <ScrollContainer scrollKey='favourites' shouldUpdateScroll={shouldUpdateScroll}>
           <div className='scrollable'>
             {accountIds.map(id => <AccountContainer key={id} id={id} withNote={false} />)}
           </div>
diff --git a/app/javascript/mastodon/features/follow_requests/index.js b/app/javascript/mastodon/features/follow_requests/index.js
index eae821f92..53a394cbc 100644
--- a/app/javascript/mastodon/features/follow_requests/index.js
+++ b/app/javascript/mastodon/features/follow_requests/index.js
@@ -1,5 +1,7 @@
 import React from 'react';
 import { connect } from 'react-redux';
+import { defineMessages, injectIntl } from 'react-intl';
+import ImmutablePureComponent from 'react-immutable-pure-component';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import LoadingIndicator from '../../components/loading_indicator';
@@ -8,8 +10,6 @@ import Column from '../ui/components/column';
 import ColumnBackButtonSlim from '../../components/column_back_button_slim';
 import AccountAuthorizeContainer from './containers/account_authorize_container';
 import { fetchFollowRequests, expandFollowRequests } from '../../actions/accounts';
-import { defineMessages, injectIntl } from 'react-intl';
-import ImmutablePureComponent from 'react-immutable-pure-component';
 
 const messages = defineMessages({
   heading: { id: 'column.follow_requests', defaultMessage: 'Follow requests' },
@@ -26,6 +26,7 @@ export default class FollowRequests extends ImmutablePureComponent {
   static propTypes = {
     params: PropTypes.object.isRequired,
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     accountIds: ImmutablePropTypes.list,
     intl: PropTypes.object.isRequired,
   };
@@ -43,7 +44,7 @@ export default class FollowRequests extends ImmutablePureComponent {
   }
 
   render () {
-    const { intl, accountIds } = this.props;
+    const { intl, shouldUpdateScroll, accountIds } = this.props;
 
     if (!accountIds) {
       return (
@@ -57,7 +58,7 @@ export default class FollowRequests extends ImmutablePureComponent {
       <Column icon='users' heading={intl.formatMessage(messages.heading)}>
         <ColumnBackButtonSlim />
 
-        <ScrollContainer scrollKey='follow_requests'>
+        <ScrollContainer scrollKey='follow_requests' shouldUpdateScroll={shouldUpdateScroll}>
           <div className='scrollable' onScroll={this.handleScroll}>
             {accountIds.map(id =>
               <AccountAuthorizeContainer key={id} id={id} />
diff --git a/app/javascript/mastodon/features/followers/index.js b/app/javascript/mastodon/features/followers/index.js
index 919a89332..5bb8fdd6a 100644
--- a/app/javascript/mastodon/features/followers/index.js
+++ b/app/javascript/mastodon/features/followers/index.js
@@ -1,5 +1,6 @@
 import React from 'react';
 import { connect } from 'react-redux';
+import ImmutablePureComponent from 'react-immutable-pure-component';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import LoadingIndicator from '../../components/loading_indicator';
@@ -14,7 +15,6 @@ import Column from '../ui/components/column';
 import HeaderContainer from '../account_timeline/containers/header_container';
 import LoadMore from '../../components/load_more';
 import ColumnBackButton from '../../components/column_back_button';
-import ImmutablePureComponent from 'react-immutable-pure-component';
 
 const mapStateToProps = (state, props) => ({
   accountIds: state.getIn(['user_lists', 'followers', props.params.accountId, 'items']),
@@ -27,6 +27,7 @@ export default class Followers extends ImmutablePureComponent {
   static propTypes = {
     params: PropTypes.object.isRequired,
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     accountIds: ImmutablePropTypes.list,
     hasMore: PropTypes.bool,
   };
@@ -57,7 +58,7 @@ export default class Followers extends ImmutablePureComponent {
   }
 
   render () {
-    const { accountIds, hasMore } = this.props;
+    const { shouldUpdateScroll, accountIds, hasMore } = this.props;
 
     let loadMore = null;
 
@@ -77,7 +78,7 @@ export default class Followers extends ImmutablePureComponent {
       <Column>
         <ColumnBackButton />
 
-        <ScrollContainer scrollKey='followers'>
+        <ScrollContainer scrollKey='followers' shouldUpdateScroll={shouldUpdateScroll}>
           <div className='scrollable' onScroll={this.handleScroll}>
             <div className='followers'>
               <HeaderContainer accountId={this.props.params.accountId} hideTabs />
diff --git a/app/javascript/mastodon/features/following/index.js b/app/javascript/mastodon/features/following/index.js
index 5719259d1..97b0a8964 100644
--- a/app/javascript/mastodon/features/following/index.js
+++ b/app/javascript/mastodon/features/following/index.js
@@ -1,5 +1,6 @@
 import React from 'react';
 import { connect } from 'react-redux';
+import ImmutablePureComponent from 'react-immutable-pure-component';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import LoadingIndicator from '../../components/loading_indicator';
@@ -14,7 +15,6 @@ import Column from '../ui/components/column';
 import HeaderContainer from '../account_timeline/containers/header_container';
 import LoadMore from '../../components/load_more';
 import ColumnBackButton from '../../components/column_back_button';
-import ImmutablePureComponent from 'react-immutable-pure-component';
 
 const mapStateToProps = (state, props) => ({
   accountIds: state.getIn(['user_lists', 'following', props.params.accountId, 'items']),
@@ -27,6 +27,7 @@ export default class Following extends ImmutablePureComponent {
   static propTypes = {
     params: PropTypes.object.isRequired,
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     accountIds: ImmutablePropTypes.list,
     hasMore: PropTypes.bool,
   };
@@ -57,7 +58,7 @@ export default class Following extends ImmutablePureComponent {
   }
 
   render () {
-    const { accountIds, hasMore } = this.props;
+    const { shouldUpdateScroll, accountIds, hasMore } = this.props;
 
     let loadMore = null;
 
@@ -77,7 +78,7 @@ export default class Following extends ImmutablePureComponent {
       <Column>
         <ColumnBackButton />
 
-        <ScrollContainer scrollKey='following'>
+        <ScrollContainer scrollKey='following' shouldUpdateScroll={shouldUpdateScroll}>
           <div className='scrollable' onScroll={this.handleScroll}>
             <div className='following'>
               <HeaderContainer accountId={this.props.params.accountId} hideTabs />
diff --git a/app/javascript/mastodon/features/hashtag_timeline/index.js b/app/javascript/mastodon/features/hashtag_timeline/index.js
index 374615ac7..15fca9ab4 100644
--- a/app/javascript/mastodon/features/hashtag_timeline/index.js
+++ b/app/javascript/mastodon/features/hashtag_timeline/index.js
@@ -20,6 +20,7 @@ export default class HashtagTimeline extends React.PureComponent {
     params: PropTypes.object.isRequired,
     columnId: PropTypes.string,
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     hasUnread: PropTypes.bool,
     multiColumn: PropTypes.bool,
   };
@@ -83,7 +84,7 @@ export default class HashtagTimeline extends React.PureComponent {
   }
 
   render () {
-    const { hasUnread, columnId, multiColumn } = this.props;
+    const { shouldUpdateScroll, hasUnread, columnId, multiColumn } = this.props;
     const { id } = this.props.params;
     const pinned = !!columnId;
 
@@ -107,6 +108,7 @@ export default class HashtagTimeline extends React.PureComponent {
           timelineId={`hashtag:${id}`}
           onLoadMore={this.handleLoadMore}
           emptyMessage={<FormattedMessage id='empty_column.hashtag' defaultMessage='There is nothing in this hashtag yet.' />}
+          shouldUpdateScroll={shouldUpdateScroll}
         />
       </Column>
     );
diff --git a/app/javascript/mastodon/features/home_timeline/index.js b/app/javascript/mastodon/features/home_timeline/index.js
index db6bbdec1..4e6853c5b 100644
--- a/app/javascript/mastodon/features/home_timeline/index.js
+++ b/app/javascript/mastodon/features/home_timeline/index.js
@@ -25,6 +25,7 @@ export default class HomeTimeline extends React.PureComponent {
 
   static propTypes = {
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     intl: PropTypes.object.isRequired,
     hasUnread: PropTypes.bool,
     isPartial: PropTypes.bool,
@@ -93,7 +94,7 @@ export default class HomeTimeline extends React.PureComponent {
   }
 
   render () {
-    const { intl, hasUnread, columnId, multiColumn } = this.props;
+    const { intl, shouldUpdateScroll, hasUnread, columnId, multiColumn } = this.props;
     const pinned = !!columnId;
 
     return (
@@ -117,6 +118,7 @@ export default class HomeTimeline extends React.PureComponent {
           onLoadMore={this.handleLoadMore}
           timelineId='home'
           emptyMessage={<FormattedMessage id='empty_column.home' defaultMessage='Your home timeline is empty! Visit {public} or use search to get started and meet other users.' values={{ public: <Link to='/timelines/public'><FormattedMessage id='empty_column.home.public_timeline' defaultMessage='the public timeline' /></Link> }} />}
+          shouldUpdateScroll={shouldUpdateScroll}
         />
       </Column>
     );
diff --git a/app/javascript/mastodon/features/list_timeline/index.js b/app/javascript/mastodon/features/list_timeline/index.js
index f08e77b7a..5c40fb758 100644
--- a/app/javascript/mastodon/features/list_timeline/index.js
+++ b/app/javascript/mastodon/features/list_timeline/index.js
@@ -35,6 +35,7 @@ export default class ListTimeline extends React.PureComponent {
   static propTypes = {
     params: PropTypes.object.isRequired,
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     columnId: PropTypes.string,
     hasUnread: PropTypes.bool,
     multiColumn: PropTypes.bool,
@@ -112,7 +113,7 @@ export default class ListTimeline extends React.PureComponent {
   }
 
   render () {
-    const { hasUnread, columnId, multiColumn, list } = this.props;
+    const { shouldUpdateScroll, hasUnread, columnId, multiColumn, list } = this.props;
     const { id } = this.props.params;
     const pinned = !!columnId;
     const title  = list ? list.get('title') : id;
@@ -166,6 +167,7 @@ export default class ListTimeline extends React.PureComponent {
           timelineId={`list:${id}`}
           onLoadMore={this.handleLoadMore}
           emptyMessage={<FormattedMessage id='empty_column.list' defaultMessage='There is nothing in this list yet. When members of this list post new statuses, they will appear here.' />}
+          shouldUpdateScroll={shouldUpdateScroll}
         />
       </Column>
     );
diff --git a/app/javascript/mastodon/features/mutes/index.js b/app/javascript/mastodon/features/mutes/index.js
index bb351ece2..66fd3796d 100644
--- a/app/javascript/mastodon/features/mutes/index.js
+++ b/app/javascript/mastodon/features/mutes/index.js
@@ -1,5 +1,7 @@
 import React from 'react';
 import { connect } from 'react-redux';
+import { defineMessages, injectIntl } from 'react-intl';
+import ImmutablePureComponent from 'react-immutable-pure-component';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import LoadingIndicator from '../../components/loading_indicator';
@@ -8,8 +10,6 @@ import Column from '../ui/components/column';
 import ColumnBackButtonSlim from '../../components/column_back_button_slim';
 import AccountContainer from '../../containers/account_container';
 import { fetchMutes, expandMutes } from '../../actions/mutes';
-import { defineMessages, injectIntl } from 'react-intl';
-import ImmutablePureComponent from 'react-immutable-pure-component';
 
 const messages = defineMessages({
   heading: { id: 'column.mutes', defaultMessage: 'Muted users' },
@@ -26,6 +26,7 @@ export default class Mutes extends ImmutablePureComponent {
   static propTypes = {
     params: PropTypes.object.isRequired,
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     accountIds: ImmutablePropTypes.list,
     intl: PropTypes.object.isRequired,
   };
@@ -43,7 +44,7 @@ export default class Mutes extends ImmutablePureComponent {
   }
 
   render () {
-    const { intl, accountIds } = this.props;
+    const { intl, shouldUpdateScroll, accountIds } = this.props;
 
     if (!accountIds) {
       return (
@@ -56,7 +57,7 @@ export default class Mutes extends ImmutablePureComponent {
     return (
       <Column icon='volume-off' heading={intl.formatMessage(messages.heading)}>
         <ColumnBackButtonSlim />
-        <ScrollContainer scrollKey='mutes'>
+        <ScrollContainer scrollKey='mutes' shouldUpdateScroll={shouldUpdateScroll}>
           <div className='scrollable mutes' onScroll={this.handleScroll}>
             {accountIds.map(id =>
               <AccountContainer key={id} id={id} />
diff --git a/app/javascript/mastodon/features/pinned_statuses/index.js b/app/javascript/mastodon/features/pinned_statuses/index.js
index b4a6c1e52..c6eb689d2 100644
--- a/app/javascript/mastodon/features/pinned_statuses/index.js
+++ b/app/javascript/mastodon/features/pinned_statuses/index.js
@@ -24,6 +24,7 @@ export default class PinnedStatuses extends ImmutablePureComponent {
 
   static propTypes = {
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     statusIds: ImmutablePropTypes.list.isRequired,
     intl: PropTypes.object.isRequired,
     hasMore: PropTypes.bool.isRequired,
@@ -42,7 +43,7 @@ export default class PinnedStatuses extends ImmutablePureComponent {
   }
 
   render () {
-    const { intl, statusIds, hasMore } = this.props;
+    const { intl, shouldUpdateScroll, statusIds, hasMore } = this.props;
 
     return (
       <Column icon='thumb-tack' heading={intl.formatMessage(messages.heading)} ref={this.setRef}>
@@ -51,6 +52,7 @@ export default class PinnedStatuses extends ImmutablePureComponent {
           statusIds={statusIds}
           scrollKey='pinned_statuses'
           hasMore={hasMore}
+          shouldUpdateScroll={shouldUpdateScroll}
         />
       </Column>
     );
diff --git a/app/javascript/mastodon/features/public_timeline/index.js b/app/javascript/mastodon/features/public_timeline/index.js
index 2d5bb3baf..5f7ac5fc7 100644
--- a/app/javascript/mastodon/features/public_timeline/index.js
+++ b/app/javascript/mastodon/features/public_timeline/index.js
@@ -39,6 +39,7 @@ export default class PublicTimeline extends React.PureComponent {
 
   static propTypes = {
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     intl: PropTypes.object.isRequired,
     columnId: PropTypes.string,
     multiColumn: PropTypes.bool,
@@ -107,7 +108,7 @@ export default class PublicTimeline extends React.PureComponent {
   }
 
   render () {
-    const { intl, columnId, hasUnread, multiColumn, onlyMedia } = this.props;
+    const { intl, shouldUpdateScroll, columnId, hasUnread, multiColumn, onlyMedia } = this.props;
     const pinned = !!columnId;
 
     return (
@@ -131,6 +132,7 @@ export default class PublicTimeline extends React.PureComponent {
           trackScroll={!pinned}
           scrollKey={`public_timeline-${columnId}`}
           emptyMessage={<FormattedMessage id='empty_column.public' defaultMessage='There is nothing here! Write something publicly, or manually follow users from other instances to fill it up' />}
+          shouldUpdateScroll={shouldUpdateScroll}
         />
       </Column>
     );
diff --git a/app/javascript/mastodon/features/reblogs/index.js b/app/javascript/mastodon/features/reblogs/index.js
index 579d6aaa0..367739636 100644
--- a/app/javascript/mastodon/features/reblogs/index.js
+++ b/app/javascript/mastodon/features/reblogs/index.js
@@ -1,5 +1,6 @@
 import React from 'react';
 import { connect } from 'react-redux';
+import ImmutablePureComponent from 'react-immutable-pure-component';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import LoadingIndicator from '../../components/loading_indicator';
@@ -8,7 +9,6 @@ import { ScrollContainer } from 'react-router-scroll-4';
 import AccountContainer from '../../containers/account_container';
 import Column from '../ui/components/column';
 import ColumnBackButton from '../../components/column_back_button';
-import ImmutablePureComponent from 'react-immutable-pure-component';
 
 const mapStateToProps = (state, props) => ({
   accountIds: state.getIn(['user_lists', 'reblogged_by', props.params.statusId]),
@@ -20,6 +20,7 @@ export default class Reblogs extends ImmutablePureComponent {
   static propTypes = {
     params: PropTypes.object.isRequired,
     dispatch: PropTypes.func.isRequired,
+    shouldUpdateScroll: PropTypes.func,
     accountIds: ImmutablePropTypes.list,
   };
 
@@ -34,7 +35,7 @@ export default class Reblogs extends ImmutablePureComponent {
   }
 
   render () {
-    const { accountIds } = this.props;
+    const { shouldUpdateScroll, accountIds } = this.props;
 
     if (!accountIds) {
       return (
@@ -48,7 +49,7 @@ export default class Reblogs extends ImmutablePureComponent {
       <Column>
         <ColumnBackButton />
 
-        <ScrollContainer scrollKey='reblogs'>
+        <ScrollContainer scrollKey='reblogs' shouldUpdateScroll={shouldUpdateScroll}>
           <div className='scrollable reblogs'>
             {accountIds.map(id => <AccountContainer key={id} id={id} withNote={false} />)}
           </div>
diff --git a/app/javascript/mastodon/features/status/index.js b/app/javascript/mastodon/features/status/index.js
index d7b50786c..89387ca43 100644
--- a/app/javascript/mastodon/features/status/index.js
+++ b/app/javascript/mastodon/features/status/index.js
@@ -42,7 +42,7 @@ import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import { HotKeys } from 'react-hotkeys';
 import { boostModal, deleteModal } from '../../initial_state';
-import { attachFullscreenListener, detachFullscreenListener, isFullscreen } from '../../features/ui/util/fullscreen';
+import { attachFullscreenListener, detachFullscreenListener, isFullscreen } from '../ui/util/fullscreen';
 
 const messages = defineMessages({
   deleteConfirm: { id: 'confirmations.delete.confirm', defaultMessage: 'Delete' },
@@ -370,7 +370,7 @@ export default class Status extends ImmutablePureComponent {
 
   render () {
     let ancestors, descendants;
-    const { status, ancestorsIds, descendantsIds, intl } = this.props;
+    const { shouldUpdateScroll, status, ancestorsIds, descendantsIds, intl } = this.props;
     const { fullscreen } = this.state;
 
     if (status === null) {
@@ -410,7 +410,7 @@ export default class Status extends ImmutablePureComponent {
           )}
         />
 
-        <ScrollContainer scrollKey='thread'>
+        <ScrollContainer scrollKey='thread' shouldUpdateScroll={shouldUpdateScroll}>
           <div className={classNames('scrollable', 'detailed-status__wrapper', { fullscreen })} ref={this.setRef}>
             {ancestors}
 
diff --git a/app/javascript/mastodon/features/ui/components/media_modal.js b/app/javascript/mastodon/features/ui/components/media_modal.js
index 12db95326..83b9e1b50 100644
--- a/app/javascript/mastodon/features/ui/components/media_modal.js
+++ b/app/javascript/mastodon/features/ui/components/media_modal.js
@@ -16,7 +16,7 @@ const messages = defineMessages({
   next: { id: 'lightbox.next', defaultMessage: 'Next' },
 });
 
-const previewState = 'previewMediaModal';
+export const previewState = 'previewMediaModal';
 
 @injectIntl
 export default class MediaModal extends ImmutablePureComponent {
diff --git a/app/javascript/mastodon/features/ui/index.js b/app/javascript/mastodon/features/ui/index.js
index 56a856230..67484fc63 100644
--- a/app/javascript/mastodon/features/ui/index.js
+++ b/app/javascript/mastodon/features/ui/index.js
@@ -1,12 +1,14 @@
 import classNames from 'classnames';
 import React from 'react';
-import NotificationsContainer from './containers/notifications_container';
+import { HotKeys } from 'react-hotkeys';
+import { defineMessages, injectIntl } from 'react-intl';
+import { connect } from 'react-redux';
+import { Redirect, withRouter } from 'react-router-dom';
 import PropTypes from 'prop-types';
+import NotificationsContainer from './containers/notifications_container';
 import LoadingBarContainer from './containers/loading_bar_container';
 import TabsBar from './components/tabs_bar';
 import ModalContainer from './containers/modal_container';
-import { connect } from 'react-redux';
-import { Redirect, withRouter } from 'react-router-dom';
 import { isMobile } from '../../is_mobile';
 import { debounce } from 'lodash';
 import { uploadCompose, resetCompose } from '../../actions/compose';
@@ -44,9 +46,8 @@ import {
   PinnedStatuses,
   Lists,
 } from './util/async-components';
-import { HotKeys } from 'react-hotkeys';
 import { me } from '../../initial_state';
-import { defineMessages, injectIntl } from 'react-intl';
+import { previewState } from './components/media_modal';
 
 // Dummy import, to make sure that <Status /> ends up in the application bundle.
 // Without this it ends up in ~8 very commonly used bundles.
@@ -117,6 +118,10 @@ class SwitchingColumnsArea extends React.PureComponent {
     window.removeEventListener('resize', this.handleResize);
   }
 
+  shouldUpdateScroll (_, { location }) {
+    return location.state !== previewState;
+  }
+
   handleResize = debounce(() => {
     // The cached heights are no longer accurate, invalidate
     this.props.onLayoutChange();
@@ -141,36 +146,36 @@ class SwitchingColumnsArea extends React.PureComponent {
           {redirect}
           <WrappedRoute path='/getting-started' component={GettingStarted} content={children} />
           <WrappedRoute path='/keyboard-shortcuts' component={KeyboardShortcuts} content={children} />
-          <WrappedRoute path='/timelines/home' component={HomeTimeline} content={children} />
-          <WrappedRoute path='/timelines/public' exact component={PublicTimeline} content={children} />
-          <WrappedRoute path='/timelines/public/media' component={PublicTimeline} content={children} componentParams={{ onlyMedia: true }} />
-          <WrappedRoute path='/timelines/public/local' exact component={CommunityTimeline} content={children} />
-          <WrappedRoute path='/timelines/public/local/media' component={CommunityTimeline} content={children} componentParams={{ onlyMedia: true }} />
-          <WrappedRoute path='/timelines/direct' component={DirectTimeline} content={children} />
-          <WrappedRoute path='/timelines/tag/:id' component={HashtagTimeline} content={children} />
-          <WrappedRoute path='/timelines/list/:id' component={ListTimeline} content={children} />
+          <WrappedRoute path='/timelines/home' component={HomeTimeline} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/timelines/public' exact component={PublicTimeline} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/timelines/public/media' component={PublicTimeline} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll, onlyMedia: true }} />
+          <WrappedRoute path='/timelines/public/local' exact component={CommunityTimeline} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/timelines/public/local/media' component={CommunityTimeline} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll, onlyMedia: true }} />
+          <WrappedRoute path='/timelines/direct' component={DirectTimeline} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/timelines/tag/:id' component={HashtagTimeline} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/timelines/list/:id' component={ListTimeline} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
 
-          <WrappedRoute path='/notifications' component={Notifications} content={children} />
-          <WrappedRoute path='/favourites' component={FavouritedStatuses} content={children} />
-          <WrappedRoute path='/pinned' component={PinnedStatuses} content={children} />
+          <WrappedRoute path='/notifications' component={Notifications} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/favourites' component={FavouritedStatuses} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/pinned' component={PinnedStatuses} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
 
           <WrappedRoute path='/search' component={Compose} content={children} componentParams={{ isSearchPage: true }} />
 
           <WrappedRoute path='/statuses/new' component={Compose} content={children} />
-          <WrappedRoute path='/statuses/:statusId' exact component={Status} content={children} />
-          <WrappedRoute path='/statuses/:statusId/reblogs' component={Reblogs} content={children} />
-          <WrappedRoute path='/statuses/:statusId/favourites' component={Favourites} content={children} />
+          <WrappedRoute path='/statuses/:statusId' exact component={Status} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/statuses/:statusId/reblogs' component={Reblogs} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/statuses/:statusId/favourites' component={Favourites} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
 
-          <WrappedRoute path='/accounts/:accountId' exact component={AccountTimeline} content={children} />
-          <WrappedRoute path='/accounts/:accountId/with_replies' component={AccountTimeline} content={children} componentParams={{ withReplies: true }} />
-          <WrappedRoute path='/accounts/:accountId/followers' component={Followers} content={children} />
-          <WrappedRoute path='/accounts/:accountId/following' component={Following} content={children} />
-          <WrappedRoute path='/accounts/:accountId/media' component={AccountGallery} content={children} />
+          <WrappedRoute path='/accounts/:accountId' exact component={AccountTimeline} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/accounts/:accountId/with_replies' component={AccountTimeline} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll, withReplies: true }} />
+          <WrappedRoute path='/accounts/:accountId/followers' component={Followers} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/accounts/:accountId/following' component={Following} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/accounts/:accountId/media' component={AccountGallery} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
 
-          <WrappedRoute path='/follow_requests' component={FollowRequests} content={children} />
-          <WrappedRoute path='/blocks' component={Blocks} content={children} />
-          <WrappedRoute path='/domain_blocks' component={DomainBlocks} content={children} />
-          <WrappedRoute path='/mutes' component={Mutes} content={children} />
+          <WrappedRoute path='/follow_requests' component={FollowRequests} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/blocks' component={Blocks} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/domain_blocks' component={DomainBlocks} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
+          <WrappedRoute path='/mutes' component={Mutes} content={children} componentParams={{ shouldUpdateScroll: this.shouldUpdateScroll }} />
           <WrappedRoute path='/lists' component={Lists} content={children} />
 
           <WrappedRoute component={GenericNotFound} content={children} />