764 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			764 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/*
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`<Status>`
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==========
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Original file by @gargron@mastodon.social et al as part of
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tootsuite/mastodon. *Heavily* rewritten (and documented!) by
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@kibi@glitch.social as a part of glitch-soc/mastodon. The following
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features have been added:
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 -  Better separating the "guts" of statuses from their wrapper(s)
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 -  Collapsing statuses
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 -  Moving images inside of CWs
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A number of aspects of this original file have been split off into
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their own components for better maintainance; for these, see:
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 -  <StatusHeader>
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 -  <StatusPrepend>
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…And, of course, the other <Status>-related components as well.
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*/
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                            /* * * * */
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/*
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Imports:
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--------
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*/
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//  Package imports  //
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import React from 'react';
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import PropTypes from 'prop-types';
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import ImmutablePropTypes from 'react-immutable-proptypes';
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import ImmutablePureComponent from 'react-immutable-pure-component';
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//  Mastodon imports  //
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import scheduleIdleTask from '../../../mastodon/features/ui/util/schedule_idle_task';
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//  Our imports  //
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import StatusPrepend from './prepend';
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import StatusHeader from './header';
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import StatusContent from './content';
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import StatusActionBar from './action_bar';
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import StatusGallery from './gallery';
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import StatusPlayer from './player';
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import NotificationOverlayContainer from '../notification/overlay/container';
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                            /* * * * */
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/*
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The `<Status>` component:
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-------------------------
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The `<Status>` component is a container for statuses. It consists of a
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few parts:
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 -  The `<StatusPrepend>`, which contains tangential information about
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    the status, such as who reblogged it.
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 -  The `<StatusHeader>`, which contains the avatar and username of the
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    status author, as well as a media icon and the "collapse" toggle.
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 -  The `<StatusContent>`, which contains the content of the status.
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 -  The `<StatusActionBar>`, which provides actions to be performed
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    on statuses, like reblogging or sending a reply.
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###  Context
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 -  __`router` (`PropTypes.object`) :__
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    We need to get our router from the surrounding React context.
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###  Props
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 -  __`id` (`PropTypes.number`) :__
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    The id of the status.
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 -  __`status` (`ImmutablePropTypes.map`) :__
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    The status object, straight from the store.
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 -  __`account` (`ImmutablePropTypes.map`) :__
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    Don't be confused by this one! This is **not** the account which
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    posted the status, but the associated account with any further
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    action (eg, a reblog or a favourite).
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 -  __`settings` (`ImmutablePropTypes.map`) :__
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    These are our local settings, fetched from our store. We need this
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    to determine how best to collapse our statuses, among other things.
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 -  __`me` (`PropTypes.number`) :__
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    This is the id of the currently-signed-in user.
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 -  __`onFavourite`, `onReblog`, `onModalReblog`, `onDelete`,
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    `onMention`, `onMute`, `onMuteConversation`, onBlock`, `onReport`,
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    `onOpenMedia`, `onOpenVideo` (`PropTypes.func`) :__
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    These are all functions passed through from the
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    `<StatusContainer>`. We don't deal with them directly here.
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 -  __`reblogModal`, `deleteModal` (`PropTypes.bool`) :__
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    These tell whether or not the user has modals activated for
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    reblogging and deleting statuses. They are used by the `onReblog`
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    and `onDelete` functions, but we don't deal with them here.
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 -  __`autoPlayGif` (`PropTypes.bool`) :__
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    This tells the frontend whether or not to autoplay gifs!
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 -  __`muted` (`PropTypes.bool`) :__
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    This has nothing to do with a user or conversation mute! "Muted" is
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    what Mastodon internally calls the subdued look of statuses in the
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    notifications column. This should be `true` for notifications, and
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    `false` otherwise.
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 -  __`collapse` (`PropTypes.bool`) :__
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    This prop signals a directive from a higher power to (un)collapse
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    a status. Most of the time it should be `undefined`, in which case
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    we do nothing.
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 -  __`prepend` (`PropTypes.string`) :__
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    The type of prepend: `'reblogged_by'`, `'reblog'`, or
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    `'favourite'`.
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 -  __`withDismiss` (`PropTypes.bool`) :__
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    Whether or not the status can be dismissed. Used for notifications.
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 -  __`intersectionObserverWrapper` (`PropTypes.object`) :__
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    This holds our intersection observer. In Mastodon parlance,
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    an "intersection" is just when the status is viewable onscreen.
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###  State
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 -  __`isExpanded` :__
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    Should be either `true`, `false`, or `null`. The meanings of
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    these values are as follows:
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     -  __`true` :__ The status contains a CW and the CW is expanded.
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     -  __`false` :__ The status is collapsed.
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     -  __`null` :__ The status is not collapsed or expanded.
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 -  __`isIntersecting` :__
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    This boolean tells us whether or not the status is currently
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    onscreen.
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 -  __`isHidden` :__
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    This boolean tells us if the status has been unrendered to save
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    CPUs.
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*/
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export default class Status extends ImmutablePureComponent {
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  static contextTypes = {
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    router                      : PropTypes.object,
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  };
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  static propTypes = {
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    id                          : PropTypes.number,
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    status                      : ImmutablePropTypes.map,
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    account                     : ImmutablePropTypes.map,
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    settings                    : ImmutablePropTypes.map,
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    notification                : ImmutablePropTypes.map,
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    me                          : PropTypes.number,
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    onFavourite                 : PropTypes.func,
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    onReblog                    : PropTypes.func,
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    onModalReblog               : PropTypes.func,
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    onDelete                    : PropTypes.func,
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    onMention                   : PropTypes.func,
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    onMute                      : PropTypes.func,
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    onMuteConversation          : PropTypes.func,
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    onBlock                     : PropTypes.func,
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    onReport                    : PropTypes.func,
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    onOpenMedia                 : PropTypes.func,
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    onOpenVideo                 : PropTypes.func,
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    reblogModal                 : PropTypes.bool,
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    deleteModal                 : PropTypes.bool,
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    autoPlayGif                 : PropTypes.bool,
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    muted                       : PropTypes.bool,
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    collapse                    : PropTypes.bool,
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    prepend                     : PropTypes.string,
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    withDismiss                 : PropTypes.bool,
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    intersectionObserverWrapper : PropTypes.object,
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  };
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  state = {
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    isExpanded                  : null,
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    isIntersecting              : true,
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    isHidden                    : false,
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    markedForDelete             : false,
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  }
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/*
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###  Implementation
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####  `updateOnProps` and `updateOnStates`.
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`updateOnProps` and `updateOnStates` tell the component when to update.
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We specify them explicitly because some of our props are dynamically=
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generated functions, which would otherwise always trigger an update.
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Of course, this means that if we add an important prop, we will need
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to remember to specify it here.
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*/
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  updateOnProps = [
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    'status',
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    'account',
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    'settings',
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    'prepend',
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    'me',
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    'boostModal',
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    'autoPlayGif',
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    'muted',
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    'collapse',
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    'notification',
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  ]
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  updateOnStates = [
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    'isExpanded',
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    'markedForDelete',
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  ]
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/*
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####  `componentWillReceiveProps()`.
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If our settings have changed to disable collapsed statuses, then we
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need to make sure that we uncollapse every one. We do that by watching
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for changes to `settings.collapsed.enabled` in
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`componentWillReceiveProps()`.
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We also need to watch for changes on the `collapse` prop---if this
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changes to anything other than `undefined`, then we need to collapse or
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uncollapse our status accordingly.
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*/
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  componentWillReceiveProps (nextProps) {
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    if (!nextProps.settings.getIn(['collapsed', 'enabled'])) {
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      if (this.state.isExpanded === false) {
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        this.setExpansion(null);
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      }
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    } else if (
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      nextProps.collapse !== this.props.collapse &&
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      nextProps.collapse !== undefined
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    ) this.setExpansion(nextProps.collapse ? false : null);
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  }
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/*
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####  `componentDidMount()`.
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When mounting, we just check to see if our status should be collapsed,
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and collapse it if so. We don't need to worry about whether collapsing
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is enabled here, because `setExpansion()` already takes that into
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account.
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The cases where a status should be collapsed are:
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 -  The `collapse` prop has been set to `true`
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 -  The user has decided in local settings to collapse all statuses.
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 -  The user has decided to collapse all notifications ('muted'
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    statuses).
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 -  The user has decided to collapse long statuses and the status is
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    over 400px (without media, or 650px with).
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 -  The status is a reply and the user has decided to collapse all
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    replies.
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 -  The status contains media and the user has decided to collapse all
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    statuses with media.
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We also start up our intersection observer to monitor our statuses.
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`componentMounted` lets us know that everything has been set up
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properly and our intersection observer is good to go.
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*/
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  componentDidMount () {
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    const { node, handleIntersection } = this;
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    const {
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      status,
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      settings,
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      collapse,
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      muted,
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      id,
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      intersectionObserverWrapper,
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    } = this.props;
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    const autoCollapseSettings = settings.getIn(['collapsed', 'auto']);
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    if (
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      collapse ||
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      autoCollapseSettings.get('all') || (
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        autoCollapseSettings.get('notifications') && muted
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      ) || (
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        autoCollapseSettings.get('lengthy') &&
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        node.clientHeight > (
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          status.get('media_attachments').size && !muted ? 650 : 400
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        )
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      ) || (
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        autoCollapseSettings.get('replies') &&
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        status.get('in_reply_to_id', null) !== null
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      ) || (
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        autoCollapseSettings.get('media') &&
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        !(status.get('spoiler_text').length) &&
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        status.get('media_attachments').size
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      )
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    ) this.setExpansion(false);
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    if (!intersectionObserverWrapper) return;
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    else intersectionObserverWrapper.observe(
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      id,
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      node,
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      handleIntersection
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    );
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    this.componentMounted = true;
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  }
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/*
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####  `shouldComponentUpdate()`.
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If the status is about to be both offscreen (not intersecting) and
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hidden, then we only need to update it if it's not that way currently.
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If the status is moving from offscreen to onscreen, then we *have* to
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re-render, so that we can unhide the element if necessary.
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If neither of these cases are true, we can leave it up to our
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`updateOnProps` and `updateOnStates` arrays.
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*/
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  shouldComponentUpdate (nextProps, nextState) {
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    switch (true) {
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    case !nextState.isIntersecting && nextState.isHidden:
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      return this.state.isIntersecting || !this.state.isHidden;
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    case nextState.isIntersecting && !this.state.isIntersecting:
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      return true;
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    default:
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      return super.shouldComponentUpdate(nextProps, nextState);
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    }
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  }
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/*
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####  `componentDidUpdate()`.
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If our component is being rendered for any reason and an update has
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triggered, this will save its height.
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This is, frankly, a bit overkill, as the only instance when we
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actually *need* to update the height right now should be when the
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value of `isExpanded` has changed. But it makes for more readable
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code and prevents bugs in the future where the height isn't set
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properly after some change.
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*/
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  componentDidUpdate () {
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    if (
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      this.state.isIntersecting || !this.state.isHidden
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    ) this.saveHeight();
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  }
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/*
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####  `componentWillUnmount()`.
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If our component is about to unmount, then we'd better unset
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`this.componentMounted`.
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*/
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  componentWillUnmount () {
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    this.componentMounted = false;
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  }
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/*
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####  `handleIntersection()`.
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`handleIntersection()` either hides the status (if it is offscreen) or
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unhides it (if it is onscreen). It's called by
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`intersectionObserverWrapper.observe()`.
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If our status isn't intersecting, we schedule an idle task (using the
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aptly-named `scheduleIdleTask()`) to hide the status at the next
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available opportunity.
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tootsuite/mastodon left us with the following enlightening comment
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regarding this function:
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>   Edge 15 doesn't support isIntersecting, but we can infer it
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It then implements a polyfill (intersectionRect.height > 0) which isn't
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actually sufficient. The short answer is, this behaviour isn't really
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supported on Edge but we can get kinda close.
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*/
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  handleIntersection = (entry) => {
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    const isIntersecting = (
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      typeof entry.isIntersecting === 'boolean' ?
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      entry.isIntersecting :
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      entry.intersectionRect.height > 0
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    );
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    this.setState(
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						|
      (prevState) => {
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						|
        if (prevState.isIntersecting && !isIntersecting) {
 | 
						|
          scheduleIdleTask(this.hideIfNotIntersecting);
 | 
						|
        }
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						|
        return {
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          isIntersecting : isIntersecting,
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          isHidden       : false,
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						|
        };
 | 
						|
      }
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						|
    );
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						|
  }
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						|
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						|
/*
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						|
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####  `hideIfNotIntersecting()`.
 | 
						|
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This function will hide the status if we're still not intersecting.
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						|
Hiding the status means that it will just render an empty div instead
 | 
						|
of actual content, which saves RAMS and CPUs or some such.
 | 
						|
 | 
						|
*/
 | 
						|
 | 
						|
  hideIfNotIntersecting = () => {
 | 
						|
    if (!this.componentMounted) return;
 | 
						|
    this.setState(
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						|
      (prevState) => ({ isHidden: !prevState.isIntersecting })
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						|
    );
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						|
  }
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						|
 | 
						|
/*
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						|
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						|
####  `saveHeight()`.
 | 
						|
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						|
`saveHeight()` saves the height of our status so that when whe hide it
 | 
						|
we preserve its dimensions. We only want to store our height, though,
 | 
						|
if our status has content (otherwise, it would imply that it is
 | 
						|
already hidden).
 | 
						|
 | 
						|
*/
 | 
						|
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						|
  saveHeight = () => {
 | 
						|
    if (this.node && this.node.children.length) {
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						|
      this.height = this.node.getBoundingClientRect().height;
 | 
						|
    }
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						|
  }
 | 
						|
 | 
						|
/*
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						|
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####  `setExpansion()`.
 | 
						|
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`setExpansion()` sets the value of `isExpanded` in our state. It takes
 | 
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one argument, `value`, which gives the desired value for `isExpanded`.
 | 
						|
The default for this argument is `null`.
 | 
						|
 | 
						|
`setExpansion()` automatically checks for us whether toot collapsing
 | 
						|
is enabled, so we don't have to.
 | 
						|
 | 
						|
We use a `switch` statement to simplify our code.
 | 
						|
 | 
						|
*/
 | 
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						|
  setExpansion = (value) => {
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						|
    switch (true) {
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						|
    case value === undefined || value === null:
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      this.setState({ isExpanded: null });
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						|
      break;
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						|
    case !value && this.props.settings.getIn(['collapsed', 'enabled']):
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						|
      this.setState({ isExpanded: false });
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      break;
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						|
    case !!value:
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      this.setState({ isExpanded: true });
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						|
      break;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
/*
 | 
						|
 | 
						|
####  `handleRef()`.
 | 
						|
 | 
						|
`handleRef()` just saves a reference to our status node to `this.node`.
 | 
						|
It also saves our height, in case the height of our node has changed.
 | 
						|
 | 
						|
*/
 | 
						|
 | 
						|
  handleRef = (node) => {
 | 
						|
    this.node = node;
 | 
						|
    this.saveHeight();
 | 
						|
  }
 | 
						|
 | 
						|
/*
 | 
						|
 | 
						|
####  `parseClick()`.
 | 
						|
 | 
						|
`parseClick()` takes a click event and responds appropriately.
 | 
						|
If our status is collapsed, then clicking on it should uncollapse it.
 | 
						|
If `Shift` is held, then clicking on it should collapse it.
 | 
						|
Otherwise, we open the url handed to us in `destination`, if
 | 
						|
applicable.
 | 
						|
 | 
						|
*/
 | 
						|
 | 
						|
  parseClick = (e, destination) => {
 | 
						|
    const { router } = this.context;
 | 
						|
    const { status } = this.props;
 | 
						|
    const { isExpanded } = this.state;
 | 
						|
    if (!router) return;
 | 
						|
    if (destination === undefined) {
 | 
						|
      destination = `/statuses/${
 | 
						|
        status.getIn(['reblog', 'id'], status.get('id'))
 | 
						|
      }`;
 | 
						|
    }
 | 
						|
    if (e.button === 0) {
 | 
						|
      if (isExpanded === false) this.setExpansion(null);
 | 
						|
      else if (e.shiftKey) {
 | 
						|
        this.setExpansion(false);
 | 
						|
        document.getSelection().removeAllRanges();
 | 
						|
      } else router.history.push(destination);
 | 
						|
      e.preventDefault();
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
/*
 | 
						|
 | 
						|
####  `render()`.
 | 
						|
 | 
						|
`render()` actually puts our element on the screen. The particulars of
 | 
						|
this operation are further explained in the code below.
 | 
						|
 | 
						|
*/
 | 
						|
 | 
						|
  render () {
 | 
						|
    const {
 | 
						|
      parseClick,
 | 
						|
      setExpansion,
 | 
						|
      saveHeight,
 | 
						|
      handleRef,
 | 
						|
    } = this;
 | 
						|
    const { router } = this.context;
 | 
						|
    const {
 | 
						|
      status,
 | 
						|
      account,
 | 
						|
      settings,
 | 
						|
      collapsed,
 | 
						|
      muted,
 | 
						|
      prepend,
 | 
						|
      intersectionObserverWrapper,
 | 
						|
      onOpenVideo,
 | 
						|
      onOpenMedia,
 | 
						|
      autoPlayGif,
 | 
						|
      notification,
 | 
						|
      ...other
 | 
						|
    } = this.props;
 | 
						|
    const { isExpanded, isIntersecting, isHidden } = this.state;
 | 
						|
    let background = null;
 | 
						|
    let attachments = null;
 | 
						|
    let media = null;
 | 
						|
    let mediaIcon = null;
 | 
						|
 | 
						|
/*
 | 
						|
 | 
						|
If we don't have a status, then we don't render anything.
 | 
						|
 | 
						|
*/
 | 
						|
 | 
						|
    if (status === null) {
 | 
						|
      return null;
 | 
						|
    }
 | 
						|
 | 
						|
/*
 | 
						|
 | 
						|
If our status is offscreen and hidden, then we render an empty <div> in
 | 
						|
its place. We fill it with "content" but note that opacity is set to 0.
 | 
						|
 | 
						|
*/
 | 
						|
 | 
						|
    if (!isIntersecting && isHidden) {
 | 
						|
      return (
 | 
						|
        <div
 | 
						|
          ref={this.handleRef}
 | 
						|
          data-id={status.get('id')}
 | 
						|
          style={{
 | 
						|
            height   : `${this.height}px`,
 | 
						|
            opacity  : 0,
 | 
						|
            overflow : 'hidden',
 | 
						|
          }}
 | 
						|
        >
 | 
						|
          {
 | 
						|
            status.getIn(['account', 'display_name']) ||
 | 
						|
            status.getIn(['account', 'username'])
 | 
						|
          }
 | 
						|
          {status.get('content')}
 | 
						|
        </div>
 | 
						|
      );
 | 
						|
    }
 | 
						|
 | 
						|
/*
 | 
						|
 | 
						|
If user backgrounds for collapsed statuses are enabled, then we
 | 
						|
initialize our background accordingly. This will only be rendered if
 | 
						|
the status is collapsed.
 | 
						|
 | 
						|
*/
 | 
						|
 | 
						|
    if (
 | 
						|
      settings.getIn(['collapsed', 'backgrounds', 'user_backgrounds'])
 | 
						|
    ) background = status.getIn(['account', 'header']);
 | 
						|
 | 
						|
/*
 | 
						|
 | 
						|
This handles our media attachments. Note that we don't show media on
 | 
						|
muted (notification) statuses. If the media type is unknown, then we
 | 
						|
simply ignore it.
 | 
						|
 | 
						|
After we have generated our appropriate media element and stored it in
 | 
						|
`media`, we snatch the thumbnail to use as our `background` if media
 | 
						|
backgrounds for collapsed statuses are enabled.
 | 
						|
 | 
						|
*/
 | 
						|
 | 
						|
    attachments = status.get('media_attachments');
 | 
						|
    if (attachments.size && !muted) {
 | 
						|
      if (attachments.some((item) => item.get('type') === 'unknown')) {
 | 
						|
 | 
						|
      } else if (
 | 
						|
        attachments.getIn([0, 'type']) === 'video'
 | 
						|
      ) {
 | 
						|
        media = (  //  Media type is 'video'
 | 
						|
          <StatusPlayer
 | 
						|
            media={attachments.get(0)}
 | 
						|
            sensitive={status.get('sensitive')}
 | 
						|
            letterbox={settings.getIn(['media', 'letterbox'])}
 | 
						|
            fullwidth={settings.getIn(['media', 'fullwidth'])}
 | 
						|
            height={250}
 | 
						|
            onOpenVideo={onOpenVideo}
 | 
						|
          />
 | 
						|
        );
 | 
						|
        mediaIcon = 'video-camera';
 | 
						|
      } else {  //  Media type is 'image' or 'gifv'
 | 
						|
        media = (
 | 
						|
          <StatusGallery
 | 
						|
            media={attachments}
 | 
						|
            sensitive={status.get('sensitive')}
 | 
						|
            letterbox={settings.getIn(['media', 'letterbox'])}
 | 
						|
            fullwidth={settings.getIn(['media', 'fullwidth'])}
 | 
						|
            height={250}
 | 
						|
            onOpenMedia={onOpenMedia}
 | 
						|
            autoPlayGif={autoPlayGif}
 | 
						|
          />
 | 
						|
        );
 | 
						|
        mediaIcon = 'picture-o';
 | 
						|
      }
 | 
						|
 | 
						|
      if (
 | 
						|
        !status.get('sensitive') &&
 | 
						|
        !(status.get('spoiler_text').length > 0) &&
 | 
						|
        settings.getIn(['collapsed', 'backgrounds', 'preview_images'])
 | 
						|
      ) background = attachments.getIn([0, 'preview_url']);
 | 
						|
    }
 | 
						|
 | 
						|
/*
 | 
						|
 | 
						|
Here we prepare extra data-* attributes for CSS selectors.
 | 
						|
Users can use those for theming, hiding avatars etc via UserStyle
 | 
						|
 | 
						|
*/
 | 
						|
 | 
						|
    const selectorAttribs = {
 | 
						|
      'data-status-by': `@${status.getIn(['account', 'acct'])}`,
 | 
						|
    };
 | 
						|
 | 
						|
    if (prepend && account) {
 | 
						|
      const notifKind = {
 | 
						|
        favourite: 'favourited',
 | 
						|
        reblog: 'boosted',
 | 
						|
        reblogged_by: 'boosted',
 | 
						|
      }[prepend];
 | 
						|
 | 
						|
      selectorAttribs[`data-${notifKind}-by`] = `@${account.get('acct')}`;
 | 
						|
    }
 | 
						|
 | 
						|
/*
 | 
						|
 | 
						|
Finally, we can render our status. We just put the pieces together
 | 
						|
from above. We only render the action bar if the status isn't
 | 
						|
collapsed.
 | 
						|
 | 
						|
*/
 | 
						|
 | 
						|
    return (
 | 
						|
      <article
 | 
						|
        className={
 | 
						|
          `status${
 | 
						|
            muted ? ' muted' : ''
 | 
						|
          } status-${status.get('visibility')}${
 | 
						|
            isExpanded === false ? ' collapsed' : ''
 | 
						|
          }${
 | 
						|
            isExpanded === false && background ? ' has-background' : ''
 | 
						|
          }${
 | 
						|
            this.state.markedForDelete ? ' marked-for-delete' : ''
 | 
						|
          }`
 | 
						|
        }
 | 
						|
        style={{
 | 
						|
          backgroundImage: (
 | 
						|
            isExpanded === false && background ?
 | 
						|
            `url(${background})` :
 | 
						|
            'none'
 | 
						|
          ),
 | 
						|
        }}
 | 
						|
        ref={handleRef}
 | 
						|
        {...selectorAttribs}
 | 
						|
      >
 | 
						|
        {prepend && account ? (
 | 
						|
          <StatusPrepend
 | 
						|
            type={prepend}
 | 
						|
            account={account}
 | 
						|
            parseClick={parseClick}
 | 
						|
            notificationId={this.props.notificationId}
 | 
						|
          />
 | 
						|
        ) : null}
 | 
						|
        <StatusHeader
 | 
						|
          status={status}
 | 
						|
          friend={account}
 | 
						|
          mediaIcon={mediaIcon}
 | 
						|
          collapsible={settings.getIn(['collapsed', 'enabled'])}
 | 
						|
          collapsed={isExpanded === false}
 | 
						|
          parseClick={parseClick}
 | 
						|
          setExpansion={setExpansion}
 | 
						|
        />
 | 
						|
        <StatusContent
 | 
						|
          status={status}
 | 
						|
          media={media}
 | 
						|
          mediaIcon={mediaIcon}
 | 
						|
          expanded={isExpanded}
 | 
						|
          setExpansion={setExpansion}
 | 
						|
          onHeightUpdate={saveHeight}
 | 
						|
          parseClick={parseClick}
 | 
						|
          disabled={!router}
 | 
						|
        />
 | 
						|
        {isExpanded !== false ? (
 | 
						|
          <StatusActionBar
 | 
						|
            {...other}
 | 
						|
            status={status}
 | 
						|
            account={status.get('account')}
 | 
						|
          />
 | 
						|
        ) : null}
 | 
						|
        {notification ? (
 | 
						|
          <NotificationOverlayContainer
 | 
						|
            notification={notification}
 | 
						|
          />
 | 
						|
        ) : null}
 | 
						|
      </article>
 | 
						|
    );
 | 
						|
 | 
						|
  }
 | 
						|
 | 
						|
}
 |