Merge pull request #1233 from ThibG/glitch-soc/merge-upstream

Merge upstream changes

26 files changed, 331 insertions, 235 deletions

diff --git a/app/javascript/flavours/glitch/actions/timelines.js b/app/javascript/flavours/glitch/actions/timelines.js
index f5bc0fd23..16ff4703e 100644
--- a/app/javascript/flavours/glitch/actions/timelines.js
+++ b/app/javascript/flavours/glitch/actions/timelines.js
@@ -97,7 +97,7 @@ export function expandTimeline(timelineId, path, params = {}, done = noOp) {
     api(getState).get(path, { params }).then(response => {
       const next = getLinks(response).refs.find(link => link.rel === 'next');
       dispatch(importFetchedStatuses(response.data));
-      dispatch(expandTimelineSuccess(timelineId, response.data, next ? next.uri : null, response.code === 206, isLoadingRecent, isLoadingMore, isLoadingRecent && preferPendingItems));
+      dispatch(expandTimelineSuccess(timelineId, response.data, next ? next.uri : null, response.status === 206, isLoadingRecent, isLoadingMore, isLoadingRecent && preferPendingItems));
       done();
     }).catch(error => {
       dispatch(expandTimelineFail(timelineId, error, isLoadingMore));
diff --git a/app/javascript/flavours/glitch/components/extended_video_player.js b/app/javascript/flavours/glitch/components/extended_video_player.js
deleted file mode 100644
index 009c0d559..000000000
--- a/app/javascript/flavours/glitch/components/extended_video_player.js
+++ /dev/null
@@ -1,63 +0,0 @@
-import React from 'react';
-import PropTypes from 'prop-types';
-
-export default class ExtendedVideoPlayer extends React.PureComponent {
-
-  static propTypes = {
-    src: PropTypes.string.isRequired,
-    alt: PropTypes.string,
-    width: PropTypes.number,
-    height: PropTypes.number,
-    time: PropTypes.number,
-    controls: PropTypes.bool.isRequired,
-    muted: PropTypes.bool.isRequired,
-    onClick: PropTypes.func,
-  };
-
-  handleLoadedData = () => {
-    if (this.props.time) {
-      this.video.currentTime = this.props.time;
-    }
-  }
-
-  componentDidMount () {
-    this.video.addEventListener('loadeddata', this.handleLoadedData);
-  }
-
-  componentWillUnmount () {
-    this.video.removeEventListener('loadeddata', this.handleLoadedData);
-  }
-
-  setRef = (c) => {
-    this.video = c;
-  }
-
-  handleClick = e => {
-    e.stopPropagation();
-    const handler = this.props.onClick;
-    if (handler) handler();
-  }
-
-  render () {
-    const { src, muted, controls, alt } = this.props;
-
-    return (
-      <div className='extended-video-player'>
-        <video
-          ref={this.setRef}
-          src={src}
-          autoPlay
-          role='button'
-          tabIndex='0'
-          aria-label={alt}
-          title={alt}
-          muted={muted}
-          controls={controls}
-          loop={!controls}
-          onClick={this.handleClick}
-        />
-      </div>
-    );
-  }
-
-}
diff --git a/app/javascript/flavours/glitch/components/gifv.js b/app/javascript/flavours/glitch/components/gifv.js
new file mode 100644
index 000000000..83cfae49c
--- /dev/null
+++ b/app/javascript/flavours/glitch/components/gifv.js
@@ -0,0 +1,75 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+export default class GIFV extends React.PureComponent {
+
+  static propTypes = {
+    src: PropTypes.string.isRequired,
+    alt: PropTypes.string,
+    width: PropTypes.number,
+    height: PropTypes.number,
+    onClick: PropTypes.func,
+  };
+
+  state = {
+    loading: true,
+  };
+
+  handleLoadedData = () => {
+    this.setState({ loading: false });
+  }
+
+  componentWillReceiveProps (nextProps) {
+    if (nextProps.src !== this.props.src) {
+      this.setState({ loading: true });
+    }
+  }
+
+  handleClick = e => {
+    const { onClick } = this.props;
+
+    if (onClick) {
+      e.stopPropagation();
+      onClick();
+    }
+  }
+
+  render () {
+    const { src, width, height, alt } = this.props;
+    const { loading } = this.state;
+
+    return (
+      <div className='gifv' style={{ position: 'relative' }}>
+        {loading && (
+          <canvas
+            width={width}
+            height={height}
+            role='button'
+            tabIndex='0'
+            aria-label={alt}
+            title={alt}
+            onClick={this.handleClick}
+          />
+        )}
+
+        <video
+          src={src}
+          width={width}
+          height={height}
+          role='button'
+          tabIndex='0'
+          aria-label={alt}
+          title={alt}
+          muted
+          loop
+          autoPlay
+          playsInline
+          onClick={this.handleClick}
+          onLoadedData={this.handleLoadedData}
+          style={{ position: loading ? 'absolute' : 'static', top: 0, left: 0 }}
+        />
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/components/missing_indicator.js b/app/javascript/flavours/glitch/components/missing_indicator.js
index 70d8c3b98..ee5bf7c1e 100644
--- a/app/javascript/flavours/glitch/components/missing_indicator.js
+++ b/app/javascript/flavours/glitch/components/missing_indicator.js
@@ -1,17 +1,24 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import { FormattedMessage } from 'react-intl';
+import illustration from 'flavours/glitch/images/elephant_ui_disappointed.svg';
+import classNames from 'classnames';
 
-const MissingIndicator = () => (
-  <div className='regeneration-indicator missing-indicator'>
-    <div>
-      <div className='regeneration-indicator__figure' />
+const MissingIndicator = ({ fullPage }) => (
+  <div className={classNames('regeneration-indicator', { 'regeneration-indicator--without-header': fullPage })}>
+    <div className='regeneration-indicator__figure'>
+      <img src={illustration} alt='' />
+    </div>
 
-      <div className='regeneration-indicator__label'>
-        <FormattedMessage id='missing_indicator.label' tagName='strong' defaultMessage='Not found' />
-        <FormattedMessage id='missing_indicator.sublabel' defaultMessage='This resource could not be found' />
-      </div>
+    <div className='regeneration-indicator__label'>
+      <FormattedMessage id='missing_indicator.label' tagName='strong' defaultMessage='Not found' />
+      <FormattedMessage id='missing_indicator.sublabel' defaultMessage='This resource could not be found' />
     </div>
   </div>
 );
 
+MissingIndicator.propTypes = {
+  fullPage: PropTypes.bool,
+};
+
 export default MissingIndicator;
diff --git a/app/javascript/flavours/glitch/components/regeneration_indicator.js b/app/javascript/flavours/glitch/components/regeneration_indicator.js
new file mode 100644
index 000000000..f4e0a79ef
--- /dev/null
+++ b/app/javascript/flavours/glitch/components/regeneration_indicator.js
@@ -0,0 +1,18 @@
+import React from 'react';
+import { FormattedMessage } from 'react-intl';
+import illustration from 'flavours/glitch/images/elephant_ui_working.svg';
+
+const MissingIndicator = () => (
+  <div className='regeneration-indicator'>
+    <div className='regeneration-indicator__figure'>
+      <img src={illustration} alt='' />
+    </div>
+
+    <div className='regeneration-indicator__label'>
+      <FormattedMessage id='regeneration_indicator.label' tagName='strong' defaultMessage='Loading&hellip;' />
+      <FormattedMessage id='regeneration_indicator.sublabel' defaultMessage='Your home feed is being prepared!' />
+    </div>
+  </div>
+);
+
+export default MissingIndicator;
diff --git a/app/javascript/flavours/glitch/components/status_content.js b/app/javascript/flavours/glitch/components/status_content.js
index 209350440..da8b787ba 100644
--- a/app/javascript/flavours/glitch/components/status_content.js
+++ b/app/javascript/flavours/glitch/components/status_content.js
@@ -315,7 +315,7 @@ export default class StatusContent extends React.PureComponent {
           <p
             style={{ marginBottom: hidden && status.get('mentions').isEmpty() ? '0px' : null }}
           >
-            <span dangerouslySetInnerHTML={spoilerContent} lang={status.get('language')} />
+            <span dangerouslySetInnerHTML={spoilerContent} />
             {' '}
             <button tabIndex='0' className='status__content__spoiler-link' onClick={this.handleSpoilerClick}>
               {toggleText}
@@ -332,7 +332,6 @@ export default class StatusContent extends React.PureComponent {
               tabIndex={!hidden ? 0 : null}
               dangerouslySetInnerHTML={content}
               className='status__content__text'
-              lang={status.get('language')}
             />
             {media}
           </div>
@@ -353,7 +352,6 @@ export default class StatusContent extends React.PureComponent {
             ref={this.setContentsRef}
             key={`contents-${tagLinks}-${rewriteMentions}`}
             dangerouslySetInnerHTML={content}
-            lang={status.get('language')}
             className='status__content__text'
             tabIndex='0'
           />
@@ -368,7 +366,7 @@ export default class StatusContent extends React.PureComponent {
           tabIndex='0'
           ref={this.setRef}
         >
-          <div ref={this.setContentsRef} key={`contents-${tagLinks}`} className='status__content__text' dangerouslySetInnerHTML={content} lang={status.get('language')} tabIndex='0' />
+          <div ref={this.setContentsRef} key={`contents-${tagLinks}`} className='status__content__text' dangerouslySetInnerHTML={content} tabIndex='0' />
           {media}
         </div>
       );
diff --git a/app/javascript/flavours/glitch/components/status_list.js b/app/javascript/flavours/glitch/components/status_list.js
index c1f51b307..a399ff567 100644
--- a/app/javascript/flavours/glitch/components/status_list.js
+++ b/app/javascript/flavours/glitch/components/status_list.js
@@ -6,7 +6,7 @@ import StatusContainer from 'flavours/glitch/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';
+import RegenerationIndicator from 'flavours/glitch/components/regeneration_indicator';
 
 export default class StatusList extends ImmutablePureComponent {
 
@@ -81,18 +81,7 @@ export default class StatusList extends ImmutablePureComponent {
     const { isLoading, isPartial } = other;
 
     if (isPartial) {
-      return (
-        <div className='regeneration-indicator'>
-          <div>
-            <div className='regeneration-indicator__figure' />
-
-            <div className='regeneration-indicator__label'>
-              <FormattedMessage id='regeneration_indicator.label' tagName='strong' defaultMessage='Loading&hellip;' />
-              <FormattedMessage id='regeneration_indicator.sublabel' defaultMessage='Your home feed is being prepared!' />
-            </div>
-          </div>
-        </div>
-      );
+      return <RegenerationIndicator />;
     }
 
     let scrollableContent = (isLoading || statusIds.size > 0) ? (
diff --git a/app/javascript/flavours/glitch/features/account_timeline/index.js b/app/javascript/flavours/glitch/features/account_timeline/index.js
index 1f02c1be5..2ef4ff602 100644
--- a/app/javascript/flavours/glitch/features/account_timeline/index.js
+++ b/app/javascript/flavours/glitch/features/account_timeline/index.js
@@ -9,6 +9,7 @@ import LoadingIndicator from '../../components/loading_indicator';
 import Column from '../ui/components/column';
 import ProfileColumnHeader from 'flavours/glitch/features/account/components/profile_column_header';
 import HeaderContainer from './containers/header_container';
+import ColumnBackButton from 'flavours/glitch/components/column_back_button';
 import { List as ImmutableList } from 'immutable';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import { FormattedMessage } from 'react-intl';
@@ -82,6 +83,7 @@ class AccountTimeline extends ImmutablePureComponent {
     if (!isAccount) {
       return (
         <Column>
+          <ColumnBackButton multiColumn={multiColumn} />
           <MissingIndicator />
         </Column>
       );
diff --git a/app/javascript/flavours/glitch/features/generic_not_found/index.js b/app/javascript/flavours/glitch/features/generic_not_found/index.js
index d01a1ba47..4412adaed 100644
--- a/app/javascript/flavours/glitch/features/generic_not_found/index.js
+++ b/app/javascript/flavours/glitch/features/generic_not_found/index.js
@@ -4,7 +4,7 @@ import MissingIndicator from 'flavours/glitch/components/missing_indicator';
 
 const GenericNotFound = () => (
   <Column>
-    <MissingIndicator />
+    <MissingIndicator fullPage />
   </Column>
 );
 
diff --git a/app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js b/app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js
index d5c9e66ae..f5ecf77b9 100644
--- a/app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js
+++ b/app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js
@@ -16,6 +16,7 @@ import UploadProgress from 'flavours/glitch/features/compose/components/upload_p
 import CharacterCounter from 'flavours/glitch/features/compose/components/character_counter';
 import { length } from 'stringz';
 import { Tesseract as fetchTesseract } from 'flavours/glitch/util/async-components';
+import GIFV from 'flavours/glitch/components/gifv';
 
 const messages = defineMessages({
   close: { id: 'lightbox.close', defaultMessage: 'Close' },
@@ -41,6 +42,36 @@ const removeExtraLineBreaks = str => str.replace(/\n\n/g, '******')
 
 const assetHost = process.env.CDN_HOST || '';
 
+class ImageLoader extends React.PureComponent {
+
+  static propTypes = {
+    src: PropTypes.string.isRequired,
+    width: PropTypes.number,
+    height: PropTypes.number,
+  };
+
+  state = {
+    loading: true,
+  };
+
+  componentDidMount() {
+    const image = new Image();
+    image.addEventListener('load', () => this.setState({ loading: false }));
+    image.src = this.props.src;
+  }
+
+  render () {
+    const { loading } = this.state;
+
+    if (loading) {
+      return <canvas width={this.props.width} height={this.props.height} />;
+    } else {
+      return <img {...this.props} alt='' />;
+    }
+  }
+
+}
+
 export default @connect(mapStateToProps, mapDispatchToProps)
 @injectIntl
 class FocalPointModal extends ImmutablePureComponent {
@@ -60,6 +91,7 @@ class FocalPointModal extends ImmutablePureComponent {
     description: '',
     dirty: false,
     progress: 0,
+    loading: true,
   };
 
   componentWillMount () {
@@ -242,8 +274,8 @@ class FocalPointModal extends ImmutablePureComponent {
           <div className='focal-point-modal__content'>
             {focals && (
               <div className={classNames('focal-point', { dragging })} ref={this.setRef} onMouseDown={this.handleMouseDown} onTouchStart={this.handleTouchStart}>
-                {media.get('type') === 'image' && <img src={media.get('url')} width={width} height={height} alt='' />}
-                {media.get('type') === 'gifv' && <video src={media.get('url')} width={width} height={height} loop muted autoPlay />}
+                {media.get('type') === 'image' && <ImageLoader src={media.get('url')} width={width} height={height} alt='' />}
+                {media.get('type') === 'gifv' && <GIFV src={media.get('url')} width={width} height={height} />}
 
                 <div className='focal-point__preview'>
                   <strong><FormattedMessage id='upload_modal.preview_label' defaultMessage='Preview ({ratio})' values={{ ratio: '16:9' }} /></strong>
diff --git a/app/javascript/flavours/glitch/features/ui/components/media_modal.js b/app/javascript/flavours/glitch/features/ui/components/media_modal.js
index d61c69f69..c7d6c374c 100644
--- a/app/javascript/flavours/glitch/features/ui/components/media_modal.js
+++ b/app/javascript/flavours/glitch/features/ui/components/media_modal.js
@@ -3,13 +3,13 @@ import ReactSwipeableViews from 'react-swipeable-views';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import PropTypes from 'prop-types';
 import Video from 'flavours/glitch/features/video';
-import ExtendedVideoPlayer from 'flavours/glitch/components/extended_video_player';
 import classNames from 'classnames';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import IconButton from 'flavours/glitch/components/icon_button';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import ImageLoader from './image_loader';
 import Icon from 'flavours/glitch/components/icon';
+import GIFV from 'flavours/glitch/components/gifv';
 
 const messages = defineMessages({
   close: { id: 'lightbox.close', defaultMessage: 'Close' },
@@ -149,10 +149,8 @@ class MediaModal extends ImmutablePureComponent {
         );
       } else if (image.get('type') === 'gifv') {
         return (
-          <ExtendedVideoPlayer
+          <GIFV
             src={image.get('url')}
-            muted
-            controls={false}
             width={width}
             height={height}
             key={image.get('preview_url')}
diff --git a/app/javascript/flavours/glitch/styles/components/modal.scss b/app/javascript/flavours/glitch/styles/components/modal.scss
index 716796af9..75bddeefc 100644
--- a/app/javascript/flavours/glitch/styles/components/modal.scss
+++ b/app/javascript/flavours/glitch/styles/components/modal.scss
@@ -878,7 +878,8 @@
   background: $base-shadow-color;
 
   img,
-  video {
+  video,
+  canvas {
     display: block;
     max-height: 80vh;
     width: 100%;
diff --git a/app/javascript/flavours/glitch/styles/components/regeneration_indicator.scss b/app/javascript/flavours/glitch/styles/components/regeneration_indicator.scss
index 178df6652..c65e6a9af 100644
--- a/app/javascript/flavours/glitch/styles/components/regeneration_indicator.scss
+++ b/app/javascript/flavours/glitch/styles/components/regeneration_indicator.scss
@@ -7,37 +7,27 @@
   cursor: default;
   display: flex;
   flex: 1 1 auto;
+  flex-direction: column;
   align-items: center;
   justify-content: center;
   padding: 20px;
 
-  & > div {
-    width: 100%;
-    background: transparent;
-    padding-top: 0;
-  }
-
   &__figure {
-    background: url('~flavours/glitch/images/elephant_ui_working.svg') no-repeat center 0;
-    width: 100%;
-    height: 160px;
-    background-size: contain;
-    position: absolute;
-    top: 50%;
-    left: 50%;
-    transform: translate(-50%, -50%);
+    &,
+    img {
+      display: block;
+      width: auto;
+      height: 160px;
+      margin: 0;
+    }
   }
 
-  &.missing-indicator {
+  &--without-header {
     padding-top: 20px + 48px;
-
-    .regeneration-indicator__figure {
-      background-image: url('~flavours/glitch/images/elephant_ui_disappointed.svg');
-    }
   }
 
   &__label {
-    margin-top: 200px;
+    margin-top: 30px;
 
     strong {
       display: block;
diff --git a/app/javascript/mastodon/actions/timelines.js b/app/javascript/mastodon/actions/timelines.js
index 7eeba2aa7..bc2ac5e82 100644
--- a/app/javascript/mastodon/actions/timelines.js
+++ b/app/javascript/mastodon/actions/timelines.js
@@ -97,7 +97,7 @@ export function expandTimeline(timelineId, path, params = {}, done = noOp) {
     api(getState).get(path, { params }).then(response => {
       const next = getLinks(response).refs.find(link => link.rel === 'next');
       dispatch(importFetchedStatuses(response.data));
-      dispatch(expandTimelineSuccess(timelineId, response.data, next ? next.uri : null, response.code === 206, isLoadingRecent, isLoadingMore, isLoadingRecent && preferPendingItems));
+      dispatch(expandTimelineSuccess(timelineId, response.data, next ? next.uri : null, response.status === 206, isLoadingRecent, isLoadingMore, isLoadingRecent && preferPendingItems));
       done();
     }).catch(error => {
       dispatch(expandTimelineFail(timelineId, error, isLoadingMore));
diff --git a/app/javascript/mastodon/components/extended_video_player.js b/app/javascript/mastodon/components/extended_video_player.js
deleted file mode 100644
index 009c0d559..000000000
--- a/app/javascript/mastodon/components/extended_video_player.js
+++ /dev/null
@@ -1,63 +0,0 @@
-import React from 'react';
-import PropTypes from 'prop-types';
-
-export default class ExtendedVideoPlayer extends React.PureComponent {
-
-  static propTypes = {
-    src: PropTypes.string.isRequired,
-    alt: PropTypes.string,
-    width: PropTypes.number,
-    height: PropTypes.number,
-    time: PropTypes.number,
-    controls: PropTypes.bool.isRequired,
-    muted: PropTypes.bool.isRequired,
-    onClick: PropTypes.func,
-  };
-
-  handleLoadedData = () => {
-    if (this.props.time) {
-      this.video.currentTime = this.props.time;
-    }
-  }
-
-  componentDidMount () {
-    this.video.addEventListener('loadeddata', this.handleLoadedData);
-  }
-
-  componentWillUnmount () {
-    this.video.removeEventListener('loadeddata', this.handleLoadedData);
-  }
-
-  setRef = (c) => {
-    this.video = c;
-  }
-
-  handleClick = e => {
-    e.stopPropagation();
-    const handler = this.props.onClick;
-    if (handler) handler();
-  }
-
-  render () {
-    const { src, muted, controls, alt } = this.props;
-
-    return (
-      <div className='extended-video-player'>
-        <video
-          ref={this.setRef}
-          src={src}
-          autoPlay
-          role='button'
-          tabIndex='0'
-          aria-label={alt}
-          title={alt}
-          muted={muted}
-          controls={controls}
-          loop={!controls}
-          onClick={this.handleClick}
-        />
-      </div>
-    );
-  }
-
-}
diff --git a/app/javascript/mastodon/components/gifv.js b/app/javascript/mastodon/components/gifv.js
new file mode 100644
index 000000000..83cfae49c
--- /dev/null
+++ b/app/javascript/mastodon/components/gifv.js
@@ -0,0 +1,75 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+export default class GIFV extends React.PureComponent {
+
+  static propTypes = {
+    src: PropTypes.string.isRequired,
+    alt: PropTypes.string,
+    width: PropTypes.number,
+    height: PropTypes.number,
+    onClick: PropTypes.func,
+  };
+
+  state = {
+    loading: true,
+  };
+
+  handleLoadedData = () => {
+    this.setState({ loading: false });
+  }
+
+  componentWillReceiveProps (nextProps) {
+    if (nextProps.src !== this.props.src) {
+      this.setState({ loading: true });
+    }
+  }
+
+  handleClick = e => {
+    const { onClick } = this.props;
+
+    if (onClick) {
+      e.stopPropagation();
+      onClick();
+    }
+  }
+
+  render () {
+    const { src, width, height, alt } = this.props;
+    const { loading } = this.state;
+
+    return (
+      <div className='gifv' style={{ position: 'relative' }}>
+        {loading && (
+          <canvas
+            width={width}
+            height={height}
+            role='button'
+            tabIndex='0'
+            aria-label={alt}
+            title={alt}
+            onClick={this.handleClick}
+          />
+        )}
+
+        <video
+          src={src}
+          width={width}
+          height={height}
+          role='button'
+          tabIndex='0'
+          aria-label={alt}
+          title={alt}
+          muted
+          loop
+          autoPlay
+          playsInline
+          onClick={this.handleClick}
+          onLoadedData={this.handleLoadedData}
+          style={{ position: loading ? 'absolute' : 'static', top: 0, left: 0 }}
+        />
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/components/missing_indicator.js b/app/javascript/mastodon/components/missing_indicator.js
index 70d8c3b98..7b0101bab 100644
--- a/app/javascript/mastodon/components/missing_indicator.js
+++ b/app/javascript/mastodon/components/missing_indicator.js
@@ -1,17 +1,24 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import { FormattedMessage } from 'react-intl';
+import illustration from 'mastodon/../images/elephant_ui_disappointed.svg';
+import classNames from 'classnames';
 
-const MissingIndicator = () => (
-  <div className='regeneration-indicator missing-indicator'>
-    <div>
-      <div className='regeneration-indicator__figure' />
+const MissingIndicator = ({ fullPage }) => (
+  <div className={classNames('regeneration-indicator', { 'regeneration-indicator--without-header': fullPage })}>
+    <div className='regeneration-indicator__figure'>
+      <img src={illustration} alt='' />
+    </div>
 
-      <div className='regeneration-indicator__label'>
-        <FormattedMessage id='missing_indicator.label' tagName='strong' defaultMessage='Not found' />
-        <FormattedMessage id='missing_indicator.sublabel' defaultMessage='This resource could not be found' />
-      </div>
+    <div className='regeneration-indicator__label'>
+      <FormattedMessage id='missing_indicator.label' tagName='strong' defaultMessage='Not found' />
+      <FormattedMessage id='missing_indicator.sublabel' defaultMessage='This resource could not be found' />
     </div>
   </div>
 );
 
+MissingIndicator.propTypes = {
+  fullPage: PropTypes.bool,
+};
+
 export default MissingIndicator;
diff --git a/app/javascript/mastodon/components/regeneration_indicator.js b/app/javascript/mastodon/components/regeneration_indicator.js
new file mode 100644
index 000000000..faf88c6b5
--- /dev/null
+++ b/app/javascript/mastodon/components/regeneration_indicator.js
@@ -0,0 +1,18 @@
+import React from 'react';
+import { FormattedMessage } from 'react-intl';
+import illustration from 'mastodon/../images/elephant_ui_working.svg';
+
+const MissingIndicator = () => (
+  <div className='regeneration-indicator'>
+    <div className='regeneration-indicator__figure'>
+      <img src={illustration} alt='' />
+    </div>
+
+    <div className='regeneration-indicator__label'>
+      <FormattedMessage id='regeneration_indicator.label' tagName='strong' defaultMessage='Loading&hellip;' />
+      <FormattedMessage id='regeneration_indicator.sublabel' defaultMessage='Your home feed is being prepared!' />
+    </div>
+  </div>
+);
+
+export default MissingIndicator;
diff --git a/app/javascript/mastodon/components/status_content.js b/app/javascript/mastodon/components/status_content.js
index c171e7a66..4ce9ec49f 100644
--- a/app/javascript/mastodon/components/status_content.js
+++ b/app/javascript/mastodon/components/status_content.js
@@ -216,14 +216,14 @@ export default class StatusContent extends React.PureComponent {
       return (
         <div className={classNames} ref={this.setRef} tabIndex='0' style={directionStyle} onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp}>
           <p style={{ marginBottom: hidden && status.get('mentions').isEmpty() ? '0px' : null }}>
-            <span dangerouslySetInnerHTML={spoilerContent} lang={status.get('language')} />
+            <span dangerouslySetInnerHTML={spoilerContent} />
             {' '}
             <button tabIndex='0' className={`status__content__spoiler-link ${hidden ? 'status__content__spoiler-link--show-more' : 'status__content__spoiler-link--show-less'}`} onClick={this.handleSpoilerClick}>{toggleText}</button>
           </p>
 
           {mentionsPlaceholder}
 
-          <div tabIndex={!hidden ? 0 : null} className={`status__content__text ${!hidden ? 'status__content__text--visible' : ''}`} style={directionStyle} dangerouslySetInnerHTML={content} lang={status.get('language')} />
+          <div tabIndex={!hidden ? 0 : null} className={`status__content__text ${!hidden ? 'status__content__text--visible' : ''}`} style={directionStyle} dangerouslySetInnerHTML={content} />
 
           {!hidden && !!status.get('poll') && <PollContainer pollId={status.get('poll')} />}
         </div>
@@ -231,7 +231,7 @@ export default class StatusContent extends React.PureComponent {
     } else if (this.props.onClick) {
       const output = [
         <div className={classNames} ref={this.setRef} tabIndex='0' style={directionStyle} onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp} key='status-content'>
-          <div className='status__content__text status__content__text--visible' style={directionStyle} dangerouslySetInnerHTML={content} lang={status.get('language')} />
+          <div className='status__content__text status__content__text--visible' style={directionStyle} dangerouslySetInnerHTML={content} />
 
           {!!status.get('poll') && <PollContainer pollId={status.get('poll')} />}
         </div>,
@@ -245,7 +245,7 @@ export default class StatusContent extends React.PureComponent {
     } else {
       return (
         <div className={classNames} ref={this.setRef} tabIndex='0' style={directionStyle}>
-          <div className='status__content__text status__content__text--visible' style={directionStyle} dangerouslySetInnerHTML={content} lang={status.get('language')} />
+          <div className='status__content__text status__content__text--visible' style={directionStyle} dangerouslySetInnerHTML={content} />
 
           {!!status.get('poll') && <PollContainer pollId={status.get('poll')} />}
         </div>
diff --git a/app/javascript/mastodon/components/status_list.js b/app/javascript/mastodon/components/status_list.js
index 745e6422d..e1b370c91 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 RegenerationIndicator from 'mastodon/components/regeneration_indicator';
 
 export default class StatusList extends ImmutablePureComponent {
 
@@ -81,18 +81,7 @@ export default class StatusList extends ImmutablePureComponent {
     const { isLoading, isPartial } = other;
 
     if (isPartial) {
-      return (
-        <div className='regeneration-indicator'>
-          <div>
-            <div className='regeneration-indicator__figure' />
-
-            <div className='regeneration-indicator__label'>
-              <FormattedMessage id='regeneration_indicator.label' tagName='strong' defaultMessage='Loading&hellip;' />
-              <FormattedMessage id='regeneration_indicator.sublabel' defaultMessage='Your home feed is being prepared!' />
-            </div>
-          </div>
-        </div>
-      );
+      return <RegenerationIndicator />;
     }
 
     let scrollableContent = (isLoading || statusIds.size > 0) ? (
diff --git a/app/javascript/mastodon/features/account_timeline/index.js b/app/javascript/mastodon/features/account_timeline/index.js
index 69bab1e86..8d0cbe5a1 100644
--- a/app/javascript/mastodon/features/account_timeline/index.js
+++ b/app/javascript/mastodon/features/account_timeline/index.js
@@ -83,6 +83,7 @@ class AccountTimeline extends ImmutablePureComponent {
     if (!isAccount) {
       return (
         <Column>
+          <ColumnBackButton multiColumn={multiColumn} />
           <MissingIndicator />
         </Column>
       );
diff --git a/app/javascript/mastodon/features/generic_not_found/index.js b/app/javascript/mastodon/features/generic_not_found/index.js
index 0290be47f..41cd61a5f 100644
--- a/app/javascript/mastodon/features/generic_not_found/index.js
+++ b/app/javascript/mastodon/features/generic_not_found/index.js
@@ -4,7 +4,7 @@ import MissingIndicator from '../../components/missing_indicator';
 
 const GenericNotFound = () => (
   <Column>
-    <MissingIndicator />
+    <MissingIndicator fullPage />
   </Column>
 );
 
diff --git a/app/javascript/mastodon/features/ui/components/focal_point_modal.js b/app/javascript/mastodon/features/ui/components/focal_point_modal.js
index 1ab79a21d..3694ab904 100644
--- a/app/javascript/mastodon/features/ui/components/focal_point_modal.js
+++ b/app/javascript/mastodon/features/ui/components/focal_point_modal.js
@@ -16,6 +16,7 @@ import UploadProgress from 'mastodon/features/compose/components/upload_progress
 import CharacterCounter from 'mastodon/features/compose/components/character_counter';
 import { length } from 'stringz';
 import { Tesseract as fetchTesseract } from 'mastodon/features/ui/util/async-components';
+import GIFV from 'mastodon/components/gifv';
 
 const messages = defineMessages({
   close: { id: 'lightbox.close', defaultMessage: 'Close' },
@@ -41,6 +42,36 @@ const removeExtraLineBreaks = str => str.replace(/\n\n/g, '******')
 
 const assetHost = process.env.CDN_HOST || '';
 
+class ImageLoader extends React.PureComponent {
+
+  static propTypes = {
+    src: PropTypes.string.isRequired,
+    width: PropTypes.number,
+    height: PropTypes.number,
+  };
+
+  state = {
+    loading: true,
+  };
+
+  componentDidMount() {
+    const image = new Image();
+    image.addEventListener('load', () => this.setState({ loading: false }));
+    image.src = this.props.src;
+  }
+
+  render () {
+    const { loading } = this.state;
+
+    if (loading) {
+      return <canvas width={this.props.width} height={this.props.height} />;
+    } else {
+      return <img {...this.props} alt='' />;
+    }
+  }
+
+}
+
 export default @connect(mapStateToProps, mapDispatchToProps)
 @injectIntl
 class FocalPointModal extends ImmutablePureComponent {
@@ -60,6 +91,7 @@ class FocalPointModal extends ImmutablePureComponent {
     description: '',
     dirty: false,
     progress: 0,
+    loading: true,
   };
 
   componentWillMount () {
@@ -242,8 +274,8 @@ class FocalPointModal extends ImmutablePureComponent {
           <div className='focal-point-modal__content'>
             {focals && (
               <div className={classNames('focal-point', { dragging })} ref={this.setRef} onMouseDown={this.handleMouseDown} onTouchStart={this.handleTouchStart}>
-                {media.get('type') === 'image' && <img src={media.get('url')} width={width} height={height} alt='' />}
-                {media.get('type') === 'gifv' && <video src={media.get('url')} width={width} height={height} loop muted autoPlay />}
+                {media.get('type') === 'image' && <ImageLoader src={media.get('url')} width={width} height={height} alt='' />}
+                {media.get('type') === 'gifv' && <GIFV src={media.get('url')} width={width} height={height} />}
 
                 <div className='focal-point__preview'>
                   <strong><FormattedMessage id='upload_modal.preview_label' defaultMessage='Preview ({ratio})' values={{ ratio: '16:9' }} /></strong>
diff --git a/app/javascript/mastodon/features/ui/components/media_modal.js b/app/javascript/mastodon/features/ui/components/media_modal.js
index 98ebd4b41..a785551c0 100644
--- a/app/javascript/mastodon/features/ui/components/media_modal.js
+++ b/app/javascript/mastodon/features/ui/components/media_modal.js
@@ -3,13 +3,13 @@ import ReactSwipeableViews from 'react-swipeable-views';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import PropTypes from 'prop-types';
 import Video from 'mastodon/features/video';
-import ExtendedVideoPlayer from 'mastodon/components/extended_video_player';
 import classNames from 'classnames';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import IconButton from 'mastodon/components/icon_button';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import ImageLoader from './image_loader';
 import Icon from 'mastodon/components/icon';
+import GIFV from 'mastodon/components/gifv';
 
 const messages = defineMessages({
   close: { id: 'lightbox.close', defaultMessage: 'Close' },
@@ -169,10 +169,8 @@ class MediaModal extends ImmutablePureComponent {
         );
       } else if (image.get('type') === 'gifv') {
         return (
-          <ExtendedVideoPlayer
+          <GIFV
             src={image.get('url')}
-            muted
-            controls={false}
             width={width}
             height={height}
             key={image.get('preview_url')}
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index eaccb008c..64a6ccf17 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -3127,37 +3127,27 @@ a.status-card.compact:hover {
   cursor: default;
   display: flex;
   flex: 1 1 auto;
+  flex-direction: column;
   align-items: center;
   justify-content: center;
   padding: 20px;
 
-  & > div {
-    width: 100%;
-    background: transparent;
-    padding-top: 0;
-  }
-
   &__figure {
-    background: url('~images/elephant_ui_working.svg') no-repeat center 0;
-    width: 100%;
-    height: 160px;
-    background-size: contain;
-    position: absolute;
-    top: 50%;
-    left: 50%;
-    transform: translate(-50%, -50%);
+    &,
+    img {
+      display: block;
+      width: auto;
+      height: 160px;
+      margin: 0;
+    }
   }
 
-  &.missing-indicator {
+  &--without-header {
     padding-top: 20px + 48px;
-
-    .regeneration-indicator__figure {
-      background-image: url('~images/elephant_ui_disappointed.svg');
-    }
   }
 
   &__label {
-    margin-top: 200px;
+    margin-top: 30px;
 
     strong {
       display: block;
@@ -6102,7 +6092,8 @@ noscript {
   background: $base-shadow-color;
 
   img,
-  video {
+  video,
+  canvas {
     display: block;
     max-height: 80vh;
     width: 100%;
diff --git a/app/javascript/styles/mastodon/introduction.scss b/app/javascript/styles/mastodon/introduction.scss
index 222d8f60e..b44ae7306 100644
--- a/app/javascript/styles/mastodon/introduction.scss
+++ b/app/javascript/styles/mastodon/introduction.scss
@@ -3,9 +3,10 @@
   flex-direction: column;
   justify-content: center;
   align-items: center;
+  height: 100vh;
+  background: $ui-base-color;
 
   @media screen and (max-width: 920px) {
-    background: darken($ui-base-color, 8%);
     display: block !important;
   }