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153 lines
3.9 KiB
JavaScript

'use strict'
const React = require('react')
const ReactDOM = require('react-dom')
const create = require('create-react-class')
const Promise = require('bluebird')
const debounce = require('debounce')
const jdenticon = require('jdenticon')
const defaultValue = require('default-value')
const elements = {
"m.text": require('./events/text.js'),
"m.image": require('./events/image.js')
}
jdenticon.config = {
lightness: {
color: [0.58, 0.66],
grayscale: [0.30, 0.90]
},
saturation: {
color: 0.66,
grayscale: 0.00
},
backColor: "#00000000"
};
let chat = create({
displayName: "Chat",
getInitialState: function() {
return {
ref: null
}
},
getSnapshotBeforeUpdate: function(oldProps, oldState) {
let ref = this.state.ref
if (ref == null) {return}
if ((ref.scrollHeight - ref.offsetHeight) - ref.scrollTop < 100) { // Less than 100px from bottom
return true
}
return null
},
componentDidUpdate(prevProps, prevState, snapshot) {
let ref = this.state.ref
if (ref == null) {return}
if (snapshot) { // scroll to bottom
ref.scrollTop = (ref.scrollHeight - ref.offsetHeight)
}
},
setRef: function(ref) {
if (ref != null) {
this.setState({ref: ref})
}
},
render: function() {
let empty = (
<div className="chat" ref={this.setRef}>
<div className="events">
</div>
</div>
)
if (this.props.roomId == undefined) {
//empty screen
return empty
}
let room = this.props.client.getRoom(this.props.roomId)
if (room == null) {
return empty
}
let messageGroups = {
current: [],
groups: [],
sender: ""
}
// if the sender is the same, add it to the 'current' messageGroup, if not,
// push the old one to 'groups' and start with a new array.
console.log("GROUPING EVENTS", room.timeline.length)
let events = []
if (room.timeline.length > 0) {
room.timeline.forEach((timeline) => {
console.log("TIMELINE", timeline);
let event = timeline.event;
if (event.sender != messageGroups.sender) {
messageGroups.sender = event.sender
if (messageGroups.current.length != 0) {
messageGroups.groups.push(messageGroups.current)
}
messageGroups.current = []
}
messageGroups.current.push(event)
})
messageGroups.groups.push(messageGroups.current)
events = messageGroups.groups.map((events, id) => {
return <EventGroup key={`${this.props.roomId}-${id}`} events={events} client={this.props.client}/>
})
}
//TODO: replace with something that only renders events in view
return <div className="chat" ref={this.setRef}>
<div className="events">
{events}
</div>
</div>
}
})
let EventGroup = create({
displayName: "EventGroup",
getInitialState: function() {
let user = this.props.client.getUser(this.props.events[0].sender)
let color = ["red", "green", "yellow", "blue", "purple", "cyan"][Math.floor(Math.random()*6)]
return {
color: color,
user: user
}
},
avatarRef: function(ref) {
jdenticon.update(ref, this.state.user.userId)
},
render: function() {
let events = this.props.events.map((event, id) => {
return getRenderedEvent(event, id, this.props.client)
})
return <div className="eventGroup">
<svg id="avatar" ref={this.avatarRef} ></svg>
<div className="col">
<div id="name" className={`fg-palet-${this.state.color}`}>{this.state.user.displayName}</div>
{events}
</div>
</div>
}
})
function getRenderedEvent(event, id, client) {
if (event.type == "m.room.message") {
let msgtype = event.content.msgtype;
return React.createElement(defaultValue(elements[msgtype], elements["m.text"]), {event: event, key: id, client: client})
}
}
module.exports = chat