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Merge branch 'liam-fitzgerald/mp/chat/firefox-take-2' (#2733)

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* liam-fitzgerald/mp/chat/firefox-take-2:
  chat-fe: more FF scrollback fixes
  chat-fe: fix index issue with pending messages
  chat-fe: correct FF scroll behaviour
  chat: scrollToBottom on mount for FF
  chat: only scrolltobottom if first backlog grab
  chat: add firefox-specific chat window

Signed-off-by: Jared Tobin <jared@tlon.io>
This commit is contained in:
Jared Tobin 2020-04-20 12:41:51 +04:00
commit 8306560a89
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GPG Key ID: 0E4647D58F8A69E4
1 changed files with 164 additions and 57 deletions
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221
pkg/interface/chat/src/js/components/chat.js
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@ -12,52 +12,65 @@ import { ChatTabBar } from '/components/lib/chat-tabbar';
import { ChatInput } from '/components/lib/chat-input';
import { deSig } from '/lib/util';
function getNumPending(props) {
const result = props.pendingMessages.has(props.station)
? props.pendingMessages.get(props.station).length
: 0;
return result;
}
export class ChatScreen extends Component {
constructor(props) {
super(props);
this.state = {
numPages: 1,
scrollLocked: false
scrollLocked: false,
// only for FF
lastScrollHeight: null,
scrollBottom: true
};
this.hasAskedForMessages = false;
this.lastNumPending = 0;
this.scrollContainer = null;
this.onScroll = this.onScroll.bind(this);
this.updateReadInterval = setInterval(
this.updateReadNumber.bind(this),
1000
);
}
componentDidMount() {
this.scrollToBottom();
this.updateReadNumber();
this.askForMessages();
}
componentWillUnmount() {
if (this.updateReadInterval) {
clearInterval(this.updateReadInterval);
this.updateReadInterval = null;
}
}
componentDidUpdate(prevProps, prevState) {
const { props, state } = this;
if (
prevProps.match.params.station !== props.match.params.station ||
prevProps.match.params.ship !== props.match.params.ship
) {
this.hasAskedForMessages = false;
if (props.envelopes.length < 100) {
this.askForMessages();
}
clearInterval(this.updateReadInterval);
this.setState(
{ scrollLocked: false },
() => {
@ -79,15 +92,34 @@ export class ChatScreen extends Component {
) {
this.hasAskedForMessages = false;
}
// FF logic
if (
navigator.userAgent.includes("Firefox") &&
(props.length !== prevProps.length ||
props.envelopes.length !== prevProps.envelopes.length ||
getNumPending(props) !== this.lastNumPending ||
state.numPages !== prevState.numPages)
) {
if(state.scrollBottom) {
setTimeout(() => {
this.scrollToBottom();
})
} else {
this.recalculateScrollTop();
}
this.lastNumPending = getNumPending(props);
}
}
updateReadNumber() {
const { props, state } = this;
if (props.read < props.length) {
props.api.chat.read(props.station);
}
}
askForMessages() {
const { props, state } = this;
@ -114,20 +146,45 @@ export class ChatScreen extends Component {
props.subscription.fetchMessages(start + 1, end, props.station);
}
}
scrollToBottom() {
if (!this.state.scrollLocked && this.scrollElement) {
this.scrollElement.scrollIntoView({ behavior: "smooth" });
this.scrollElement.scrollIntoView();
}
}
// Restore chat position on FF when new messages come in
recalculateScrollTop() {
if(!this.scrollContainer) {
return;
}
const { lastScrollHeight } = this.state;
let target = this.scrollContainer;
let newScrollTop = this.scrollContainer.scrollHeight - lastScrollHeight;
if(target.scrollTop !== 0 || newScrollTop === target.scrollTop) {
return;
}
target.scrollTop = target.scrollHeight - lastScrollHeight;
}
onScroll(e) {
if (
navigator.userAgent.includes("Safari") &&
navigator.userAgent.includes("Chrome")
(navigator.userAgent.includes("Safari") &&
navigator.userAgent.includes("Chrome")) ||
navigator.userAgent.includes("Firefox")
) {
// Google Chrome
// Google Chrome and Firefox
if (e.target.scrollTop === 0) {
// Save scroll position for FF
if (navigator.userAgent.includes('Firefox')) {
this.setState({
lastScrollHeight: e.target.scrollHeight
})
}
this.setState(
{
numPages: this.state.numPages + 1,
@ -143,8 +200,11 @@ export class ChatScreen extends Component {
) {
this.setState({
numPages: 1,
scrollLocked: false
scrollLocked: false,
scrollBottom: true
});
} else if (navigator.userAgent.includes('Firefox')) {
this.setState({ scrollBottom: false });
}
} else if (navigator.userAgent.includes("Safari")) {
// Safari
@ -171,26 +231,33 @@ export class ChatScreen extends Component {
console.log("Your browser is not supported.");
}
}
render() {
chatWindow() {
// Replace with just the "not Firefox" implementation
// when Firefox #1042151 is patched.
const { props, state } = this;
let messages = props.envelopes.slice(0);
let lastMsgNum = messages.length > 0 ? messages.length : 0;
if (messages.length > 100 * state.numPages) {
messages = messages.slice(0, 100 * state.numPages);
}
let pendingMessages = props.pendingMessages.has(props.station)
? props.pendingMessages.get(props.station)
: [];
pendingMessages.map(function(value) {
pendingMessages.map(function (value) {
return (value.pending = true);
});
let messageElements = pendingMessages.concat(messages).map((msg, i) => {
messages = pendingMessages.concat(messages);
let messageElements = messages.map((msg, i) => {
// Render sigil if previous message is not by the same sender
let aut = ["author"];
let renderSigil =
@ -200,7 +267,7 @@ export class ChatScreen extends Component {
let paddingBot =
_.get(messages[i - 1], aut) !==
_.get(msg, aut, msg.author);
return (
<Message
key={msg.uid}
@ -213,23 +280,83 @@ export class ChatScreen extends Component {
/>
);
});
if (navigator.userAgent.includes("Firefox")) {
return (
<div className="overflow-y-scroll h-100" onScroll={this.onScroll} ref={e => { this.scrollContainer = e; }}>
<div
className="bg-white bg-gray0-d pt3 pb2 flex flex-column-reverse"
style={{ resize: "vertical" }}
>
<div
ref={el => {
this.scrollElement = el;
}}></div>
{(
props.chatSynced &&
!(props.station in props.chatSynced) &&
(messages.length > 0)
) ? (
<ResubscribeElement
api={props.api}
host={props.match.params.ship}
station={props.station} />
) : (<div />)
}
{messageElements}
</div>
</div>
)}
else {
return (
<div
className="overflow-y-scroll bg-white bg-gray0-d pt3 pb2 flex flex-column-reverse"
style={{ height: "100%", resize: "vertical" }}
onScroll={this.onScroll}
>
<div
ref={el => {
this.scrollElement = el;
}}></div>
{(
props.chatSynced &&
!(props.station in props.chatSynced) &&
(messages.length > 0)
) ? (
<ResubscribeElement
api={props.api}
host={props.match.params.ship}
station={props.station} />
) : (<div />)
}
{messageElements}
</div>
)}
}
render() {
const { props, state } = this;
let messages = props.envelopes.slice(0);
let lastMsgNum = messages.length > 0 ? messages.length : 0;
let group = Array.from(props.permission.who.values());
const isinPopout = props.popout ? "popout/" : "";
let ownerContact = (window.ship in props.contacts)
? props.contacts[window.ship] : false;
let title = props.station.substr(1);
if (props.association && "metadata" in props.association) {
title =
props.association.metadata.title !== ""
? props.association.metadata.title
: props.station.substr(1);
}
return (
<div
key={props.station}
@ -265,27 +392,7 @@ export class ChatScreen extends Component {
api={props.api}
/>
</div>
<div
className="overflow-y-scroll bg-white bg-gray0-d pt3 pb2 flex flex-column-reverse"
style={{ height: "100%", resize: "vertical" }}
onScroll={this.onScroll}>
<div
ref={el => {
this.scrollElement = el;
}}></div>
{ (
props.chatSynced &&
!(props.station in props.chatSynced) &&
(messages.length > 0)
) ? (
<ResubscribeElement
api={props.api}
host={props.match.params.ship}
station={props.station} />
) : (<div/>)
}
{messageElements}
</div>
{this.chatWindow()}
<ChatInput
api={props.api}
numMsgs={lastMsgNum}