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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import PostList from './components/post_list.jsx';
import LoadingScreen from 'components/loading_screen.jsx';
import EmojiStore from 'stores/emoji_store.jsx';
import PostStore from 'stores/post_store.jsx';
import UserStore from 'stores/user_store.jsx';
import ChannelStore from 'stores/channel_store.jsx';
import Constants from 'utils/constants.jsx';
const ScrollTypes = Constants.ScrollTypes;
import React from 'react';
export default class PostFocusView extends React.Component {
constructor(props) {
super(props);
this.onChannelChange = this.onChannelChange.bind(this);
this.onPostsChange = this.onPostsChange.bind(this);
this.onUserChange = this.onUserChange.bind(this);
this.onEmojiChange = this.onEmojiChange.bind(this);
this.onPostListScroll = this.onPostListScroll.bind(this);
const focusedPostId = PostStore.getFocusedPostId();
const channel = ChannelStore.getCurrent();
let profiles = UserStore.getProfiles();
if (channel && channel.type === Constants.DM_CHANNEL) {
profiles = Object.assign({}, profiles, UserStore.getDirectProfiles());
}
this.state = {
postList: PostStore.getVisiblePosts(focusedPostId),
currentUser: UserStore.getCurrentUser(),
profiles,
scrollType: ScrollTypes.POST,
currentChannel: ChannelStore.getCurrentId().slice(),
scrollPostId: focusedPostId,
atTop: PostStore.getVisibilityAtTop(focusedPostId),
atBottom: PostStore.getVisibilityAtBottom(focusedPostId),
emojis: EmojiStore.getEmojis()
};
}
componentDidMount() {
ChannelStore.addChangeListener(this.onChannelChange);
PostStore.addChangeListener(this.onPostsChange);
UserStore.addChangeListener(this.onUserChange);
EmojiStore.addChangeListener(this.onEmojiChange);
}
componentWillUnmount() {
ChannelStore.removeChangeListener(this.onChannelChange);
PostStore.removeChangeListener(this.onPostsChange);
UserStore.removeChangeListener(this.onUserChange);
EmojiStore.removeChangeListener(this.onEmojiChange);
}
onChannelChange() {
const currentChannel = ChannelStore.getCurrentId();
if (this.state.currentChannel !== currentChannel) {
this.setState({
currentChannel: currentChannel.slice(),
scrollType: ScrollTypes.POST
});
}
}
onPostsChange() {
const focusedPostId = PostStore.getFocusedPostId();
if (focusedPostId == null) {
return;
}
this.setState({
scrollPostId: focusedPostId,
postList: PostStore.getVisiblePosts(focusedPostId),
atTop: PostStore.getVisibilityAtTop(focusedPostId),
atBottom: PostStore.getVisibilityAtBottom(focusedPostId)
});
}
onUserChange() {
const channel = ChannelStore.getCurrent();
let profiles = UserStore.getProfiles();
if (channel && channel.type === Constants.DM_CHANNEL) {
profiles = Object.assign({}, profiles, UserStore.getDirectProfiles());
}
this.setState({currentUser: UserStore.getCurrentUser(), profiles: JSON.parse(JSON.stringify(profiles))});
}
onEmojiChange() {
this.setState({
emojis: EmojiStore.getEmojis()
});
}
onPostListScroll() {
this.setState({scrollType: ScrollTypes.FREE});
}
render() {
const postsToHighlight = {};
postsToHighlight[this.state.scrollPostId] = true;
let content;
if (this.state.postList == null) {
content = (
<LoadingScreen
position='absolute'
key='loading'
/>
);
} else {
content = (
<PostList
postList={this.state.postList}
currentUser={this.state.currentUser}
profiles={this.state.profiles}
scrollType={this.state.scrollType}
scrollPostId={this.state.scrollPostId}
postListScrolled={this.onPostListScroll}
showMoreMessagesTop={!this.state.atTop}
showMoreMessagesBottom={!this.state.atBottom}
postsToHighlight={postsToHighlight}
isFocusPost={true}
emojis={this.state.emojis}
/>
);
}
return (
<div id='post-list'>
{content}
</div>
);
}
}
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