Files
im_webapp/src/views/messages-view.jsx
T

1617 lines
55 KiB
React

// Panel with a chat.
import React from 'react';
import { FormattedMessage, defineMessages, injectIntl } from 'react-intl';
import { Drafty, Tinode } from 'tinode-sdk';
import CallPanel from '../widgets/call-panel.jsx';
import ChatMessage from '../widgets/chat-message.jsx';
import ContactBadges from '../widgets/contact-badges.jsx';
import DocPreview from '../widgets/doc-preview.jsx';
import ErrorPanel from '../widgets/error-panel.jsx';
import GroupSubs from '../widgets/group-subs.jsx';
import ImagePreview from '../widgets/image-preview.jsx';
import Invitation from '../widgets/invitation.jsx';
import LetterTile from '../widgets/letter-tile.jsx';
import LoadSpinner from '../widgets/load-spinner.jsx';
import LogoView from './logo-view.jsx';
import MetaMessage from '../widgets/meta-message.jsx';
import SendMessage from '../widgets/send-message.jsx';
import VideoPreview from '../widgets/video-preview.jsx';
import { DEFAULT_P2P_ACCESS_MODE, EDIT_PREVIEW_LENGTH, IMAGE_PREVIEW_DIM, KEYPRESS_DELAY,
MESSAGES_PAGE, MAX_EXTERN_ATTACHMENT_SIZE, MAX_IMAGE_DIM, MAX_INBAND_ATTACHMENT_SIZE,
READ_DELAY, QUOTED_REPLY_LENGTH, VIDEO_PREVIEW_DIM } from '../config.js';
import { CALL_STATE_OUTGOING_INITATED, CALL_STATE_IN_PROGRESS } from '../constants.js';
import { blobToBase64, fileToBase64, imageScaled, makeImageUrl } from '../lib/blob-helpers.js';
import HashNavigation from '../lib/navigation.js';
import { bytesToHumanSize, relativeDateFormat, shortDateFormat } from '../lib/strformat.js';
// Run timer with this frequency (ms) for checking notification queue.
const NOTIFICATION_EXEC_INTERVAL = 300;
// Scroll distance before [go to latest message] button is shown.
const SHOW_GO_TO_LAST_DIST = 100;
const messages = defineMessages({
online_now: {
id: 'online_now',
defaultMessage: 'online now',
description: 'Indicator that the user or topic is currently online',
},
last_seen: {
id: 'last_seen_timestamp',
defaultMessage: 'Last seen',
description: 'Label for the timestamp of when the user or topic was last online'
},
not_found: {
id: 'title_not_found',
defaultMessage: 'Not found',
description: 'Title shown when topic is not found'
},
channel: {
id: 'channel',
defaultMessage: 'channel',
description: 'Subtitle shown for channels in MessagesView instead of last seen'
},
file_attachment_too_large: {
id: 'file_attachment_too_large',
defaultMessage: 'The file size {size} exceeds the {limit} limit.',
description: 'Error message when attachment is too large'
},
invalid_content: {
id: 'invalid_content',
defaultMessage: 'invalid content',
description: 'Shown when the message is unreadable'
},
editing_message: {
id: 'editing_message',
defaultMessage: 'Editing',
description: 'Title over message editing preview'
},
drag_file: {
id: 'drag_file',
defaultMessage: 'Drag file here',
description: 'Prompt on the file drag-n-drop overlay banner'
}
});
// Checks if the access permissions are granted but not yet accepted.
function isUnconfirmed(acs) {
if (acs) {
const ex = acs.getExcessive() || '';
return acs.isJoiner('given') && (ex.includes('R') || ex.includes('W'));
}
return false;
}
function isPeerRestricted(acs) {
if (acs) {
const ms = acs.getMissing() || '';
return acs.isJoiner('want') && (ms.includes('R') || ms.includes('W'));
}
return false;
}
function shouldPresentCallPanel(callState) {
// Show call panel if either:
// - call is outgoing (and the client is waiting for the other side to pick up) or,
// - call is already in progress.
return callState == CALL_STATE_OUTGOING_INITATED || callState == CALL_STATE_IN_PROGRESS;
}
class MessagesView extends React.Component {
constructor(props) {
super(props);
this.state = MessagesView.getDerivedStateFromProps(props, {});
this.leave = this.leave.bind(this);
this.sendMessage = this.sendMessage.bind(this);
this.retrySend = this.retrySend.bind(this);
this.sendImageAttachment = this.sendImageAttachment.bind(this);
this.sendVideoAttachment = this.sendVideoAttachment.bind(this);
this.sendFileAttachment = this.sendFileAttachment.bind(this);
this.sendAudioAttachment = this.sendAudioAttachment.bind(this);
this.sendKeyPress = this.sendKeyPress.bind(this);
this.subscribe = this.subscribe.bind(this);
this.handleScrollReference = this.handleScrollReference.bind(this);
this.mountDnDEvents = this.mountDnDEvents.bind(this);
this.handleScrollEvent = this.handleScrollEvent.bind(this);
this.handleDescChange = this.handleDescChange.bind(this);
this.handleSubsUpdated = this.handleSubsUpdated.bind(this);
this.handleMessageUpdate = this.handleMessageUpdate.bind(this);
this.handleAllMessagesReceived = this.handleAllMessagesReceived.bind(this);
this.handleInfoReceipt = this.handleInfoReceipt.bind(this);
this.handleExpandMedia = this.handleExpandMedia.bind(this);
this.handleClosePreview = this.handleClosePreview.bind(this);
this.handleFormResponse = this.handleFormResponse.bind(this);
this.handleContextClick = this.handleContextClick.bind(this);
this.handleShowMessageContextMenu = this.handleShowMessageContextMenu.bind(this);
this.handleNewChatAcceptance = this.handleNewChatAcceptance.bind(this);
this.handleEnablePeer = this.handleEnablePeer.bind(this);
this.handleAttachFile = this.handleAttachFile.bind(this);
this.handleAttachImageOrVideo = this.handleAttachImageOrVideo.bind(this);
this.handleCancelUpload = this.handleCancelUpload.bind(this);
this.postReadNotification = this.postReadNotification.bind(this);
this.clearNotificationQueue = this.clearNotificationQueue.bind(this);
this.goToLatestMessage = this.goToLatestMessage.bind(this);
this.handleFileDrop = this.handleFileDrop.bind(this);
this.handlePickReply = this.handlePickReply.bind(this);
this.handleEditMessage = this.handleEditMessage.bind(this);
this.handleCancelReply = this.handleCancelReply.bind(this);
this.handleQuoteClick = this.handleQuoteClick.bind(this);
this.handleCallHangup = this.handleCallHangup.bind(this);
this.isDragEnabled = this.isDragEnabled.bind(this);
this.handleDragIn = this.handleDragIn.bind(this);
this.handleDragOut = this.handleDragOut.bind(this);
this.handleDrag = this.handleDrag.bind(this);
this.handleDrop = this.handleDrop.bind(this);
this.chatMessageRefs = {};
this.getOrCreateMessageRef = this.getOrCreateMessageRef.bind(this);
// Keeps track of the drag event.
// Need a counter b/c the browser's 'drag' events may fire multiple times
// when the user takes the mouse pointer over the container:
// for the component itself and for all nested/child elements.
this.dragCounter = 0;
this.dndRef = null;
this.readNotificationQueue = [];
this.readNotificationTimer = null;
this.keyPressTimer = null;
}
getOrCreateMessageRef(seqId) {
if (this.chatMessageRefs.hasOwnProperty(seqId)) {
return this.chatMessageRefs[seqId];
}
const ref = React.createRef();
this.chatMessageRefs[seqId] = ref;
return ref;
}
componentDidMount() {
if (this.messagesScroller) {
this.messagesScroller.addEventListener('scroll', this.handleScrollEvent);
}
// Drag and drop events
if (this.dndRef) {
this.dndRef.addEventListener('dragenter', this.handleDragIn);
this.dndRef.addEventListener('dragleave', this.handleDragOut);
this.dndRef.addEventListener('dragover', this.handleDrag);
this.dndRef.addEventListener('drop', this.handleDrop);
}
}
componentWillUnmount() {
if (this.messagesScroller) {
this.messagesScroller.removeEventListener('scroll', this.handleScrollEvent);
}
// Flush all notifications.
this.clearNotificationQueue();
// Drag and drop events
if (this.dndRef) {
this.dndRef.removeEventListener('dragenter', this.handleDragIn);
this.dndRef.removeEventListener('dragleave', this.handleDragOut);
this.dndRef.removeEventListener('dragover', this.handleDrag);
this.dndRef.removeEventListener('drop', this.handleDrop);
}
}
// Scroll last message into view on component update e.g. on message received
// or vertical shrinking.
componentDidUpdate(prevProps, prevState) {
if (this.messagesScroller &&
(prevState.topic != this.state.topic || prevState.messageCount != this.state.messageCount)) {
// New message.
if (this.state.scrollPosition < SHOW_GO_TO_LAST_DIST) {
this.messagesScroller.scrollTop = this.messagesScroller.scrollHeight -
this.state.scrollPosition -
this.messagesScroller.offsetHeight;
}
}
const topic = this.props.tinode ? this.props.tinode.getTopic(this.state.topic) : undefined;
if (this.state.topic != prevState.topic) {
if (prevState.topic && !Tinode.isNewGroupTopicName(prevState.topic)) {
this.leave(prevState.topic);
if (prevState.rtcPanel) {
this.handleCallHangup(prevState.topic, prevProps.callSeq);
}
}
if (topic) {
topic.onData = this.handleMessageUpdate;
topic.onAllMessagesReceived = this.handleAllMessagesReceived;
topic.onInfo = this.handleInfoReceipt;
topic.onMetaDesc = this.handleDescChange;
topic.onSubsUpdated = this.handleSubsUpdated;
topic.onPres = this.handleSubsUpdated;
}
}
if (!this.props.applicationVisible) {
// If application is not visible, flush all unsent 'read' notifications.
this.clearNotificationQueue();
} else {
// Otherwise assume there are unread messages.
this.postReadNotification(0);
}
if (topic && ((this.state.topic != prevState.topic) || !prevProps.ready)) {
// Don't immediately subscribe to a new p2p topic, wait for the first message.
if (topic._new && topic.isP2PType()) {
topic.getMeta(topic.startMetaQuery().withDesc().build());
} else {
this.subscribe(topic);
}
}
}
static getDerivedStateFromProps(nextProps, prevState) {
let nextState = {};
if (!nextProps.topic) {
// Default state: no topic.
nextState = {
messageCount: 0,
latestClearId: -1,
onlineSubs: [],
topic: null,
title: '',
avatar: null,
isVerified: false,
isStaff: false,
isDangerous: false,
deleted: false,
docPreview: null,
imagePreview: null,
imagePostview: null,
videoPreview: null,
videoPostview: null,
rtcPanel: null,
typingIndicator: false,
scrollPosition: 0,
fetchingMessages: false,
peerMessagingDisabled: false,
channel: false,
reply: null,
contentToEdit: null,
showGoToLastButton: false,
dragging: false
};
} else if (nextProps.topic != prevState.topic) {
const topic = nextProps.tinode.getTopic(nextProps.topic);
nextState = {
topic: nextProps.topic,
deleted: topic._deleted,
docPreview: null,
imagePreview: null,
imagePostview: null,
videoPreview: null,
videoPostview: null,
rtcPanel: null,
typingIndicator: false,
scrollPosition: 0,
fetchingMessages: false,
showGoToLastButton: false,
contentToEdit: null,
dragging: false
};
if (nextProps.forwardMessage) {
// We are forwarding a message. Show preview.
nextState.reply = {
content: nextProps.forwardMessage.preview,
seq: null
};
} else {
nextState.reply = null;
}
if (topic) {
// Topic exists.
const subs = [];
if (nextProps.connected) {
topic.subscribers((sub) => {
if (sub.online && sub.user != nextProps.myUserId) {
subs.push(sub);
}
});
}
Object.assign(nextState, {
onlineSubs: subs
});
if (topic.public) {
Object.assign(nextState, {
title: topic.public.fn,
avatar: makeImageUrl(topic.public.photo)
});
} else {
Object.assign(nextState, {
title: '',
avatar: null
});
}
const peer = topic.p2pPeerDesc();
if (peer) {
Object.assign(nextState, {
peerMessagingDisabled: isPeerRestricted(peer.acs)
});
} else if (prevState.peerMessagingDisabled) {
Object.assign(nextState, {
peerMessagingDisabled: false
});
}
Object.assign(nextState, {
messageCount: topic.messageCount(),
latestClearId: topic.maxClearId(),
channel: topic.isChannelType()
});
if (nextProps.callTopic == topic.name && shouldPresentCallPanel(nextProps.callState)) {
nextState.rtcPanel = nextProps.callTopic;
}
} else {
// Invalid topic.
Object.assign(nextState, {
messageCount: 0,
latestClearId: -1,
onlineSubs: [],
title: '',
avatar: null,
peerMessagingDisabled: false,
channel: false
});
}
} else {
// We are still in same topic. Show the call panel if necessary.
if (nextProps.callTopic == prevState.topic && !prevState.rtcPanel &&
shouldPresentCallPanel(nextProps.callState)) {
nextState.rtcPanel = nextProps.callTopic;
}
}
if (nextProps.acs) {
if (nextProps.acs.isWriter() != prevState.isWriter) {
nextState.isWriter = !prevState.isWriter;
}
if (nextProps.acs.isReader() != prevState.isReader) {
nextState.isReader = !prevState.isReader;
}
if (!nextProps.acs.isReader('given') != prevState.readingBlocked) {
nextState.readingBlocked = !prevState.readingBlocked;
}
if (nextProps.acs.isSharer() != prevState.isSharer) {
nextState.isSharer = !prevState.isSharer;
}
} else {
if (prevState.isWriter) {
nextState.isWriter = false;
}
if (prevState.isReader) {
nextState.isReader = false;
}
if (!prevState.readingBlocked) {
prevState.readingBlocked = true;
}
if (prevState.isSharer) {
nextState.isSharer = false;
}
}
if (isUnconfirmed(nextProps.acs) == !prevState.unconformed) {
nextState.unconfirmed = !prevState.unconformed;
}
// Clear subscribers online when there is no connection.
if (!nextProps.connected && prevState.onlineSubs && prevState.onlineSubs.length > 0) {
nextState.onlineSubs = [];
}
return nextState;
}
subscribe(topic) {
if (topic.isSubscribed() || !this.props.ready) {
return;
}
// Is this a new topic?
const newTopic = (this.props.newTopicParams && this.props.newTopicParams._topicName == this.props.topic);
// Don't request the tags. They are useless unless the user
// is the owner and is editing the topic.
let getQuery = topic.startMetaQuery().withLaterDesc().withLaterSub();
if (this.state.isReader || newTopic) {
// Reading is either permitted or we don't know because it's a new topic. Ask for messages.
getQuery = getQuery.withLaterData(MESSAGES_PAGE);
if (this.state.isReader) {
getQuery = getQuery.withLaterDel();
}
// And show "loading" spinner.
this.setState({ fetchingMessages: true });
}
const setQuery = newTopic ? this.props.newTopicParams : undefined;
topic.subscribe(getQuery.build(), setQuery)
.then(ctrl => {
if (ctrl.code == 303) {
// Redirect to another topic requested.
HashNavigation.navigateTo(HashNavigation.setUrlTopic('', ctrl.params.topic));
return;
}
if (this.state.topic != ctrl.topic) {
this.setState({topic: ctrl.topic});
}
this.props.onNewTopicCreated(this.props.topic, ctrl.topic);
// If there are unsent messages (except video call messages),
// try sending them now. Unsent video call messages will be dropped.
let calls = [];
topic.queuedMessages((pub) => {
if (pub._sending) {
return;
}
if (pub.head && pub.head.webrtc) {
// Filter out unsent video call messages.
calls.push(pub.seq);
return;
}
if (topic.isSubscribed()) {
this.retrySend(pub);
}
});
if (calls.length > 0) {
topic.delMessagesList(calls, true);
}
})
.catch(err => {
console.error("Failed subscription to", this.state.topic, err);
this.props.onError(err.message, 'err');
const blankState = MessagesView.getDerivedStateFromProps({}, {});
blankState.title = this.props.intl.formatMessage(messages.not_found);
this.setState(blankState);
});
}
leave(oldTopicName) {
if (!oldTopicName || !this.props.tinode.isTopicCached(oldTopicName)) {
return;
}
const oldTopic = this.props.tinode.getTopic(oldTopicName);
if (oldTopic && oldTopic.isSubscribed()) {
oldTopic.leave(false)
.catch(_ => { /* do nothing here */ })
.finally(_ => {
// We don't care if the request succeeded or failed.
// The topic is dead regardless.
this.setState({fetchingMessages: false});
oldTopic.onData = undefined;
oldTopic.onAllMessagesReceived = undefined;
oldTopic.onInfo = undefined;
oldTopic.onMetaDesc = undefined;
oldTopic.onSubsUpdated = undefined;
oldTopic.onPres = undefined;
});
}
}
// Don't use React.createRef as the ref.current is not available in componentDidMount in this component.
handleScrollReference(node) {
if (node) {
node.addEventListener('scroll', this.handleScrollEvent);
this.messagesScroller = node;
this.messagesScroller.scrollTop = this.messagesScroller.scrollHeight - this.state.scrollPosition;
}
}
// Get older messages and show/hide [go to latest message] button.
handleScrollEvent(event) {
const pos = event.target.scrollHeight - event.target.scrollTop - event.target.offsetHeight;
this.setState({
scrollPosition: pos,
// Show [go to latest message] if far enough from bottom and scrolling down.
showGoToLastButton: (pos > SHOW_GO_TO_LAST_DIST) && (pos < this.state.scrollPosition),
});
if (this.state.fetchingMessages) {
return;
}
if (event.target.scrollTop <= 0) {
const topic = this.props.tinode.getTopic(this.state.topic);
if (topic && topic.isSubscribed() && topic.msgHasMoreMessages()) {
this.setState({fetchingMessages: true}, _ => {
topic.getMessagesPage(MESSAGES_PAGE)
.catch(err => this.props.onError(err.message, 'err'))
.finally(_ => this.setState({fetchingMessages: false}));
});
}
}
}
/* Mound draf and drop events */
mountDnDEvents(dnd) {
if (dnd) {
dnd.addEventListener('dragenter', this.handleDragIn);
dnd.addEventListener('dragleave', this.handleDragOut);
dnd.addEventListener('dragover', this.handleDrag);
dnd.addEventListener('drop', this.handleDrop);
this.dndRef = dnd;
}
}
goToLatestMessage() {
this.setState({scrollPosition: 0});
if (this.messagesScroller) {
this.messagesScroller.scrollTop = this.messagesScroller.scrollHeight;
}
}
handleDescChange(desc) {
if (desc.public) {
this.setState({
title: desc.public.fn,
avatar: makeImageUrl(desc.public.photo)
});
} else {
this.setState({
title: '',
avatar: null
});
}
if (desc.acs) {
this.setState({
isWriter: desc.acs.isWriter(),
isReader: desc.acs.isReader(),
readingBlocked: !desc.acs.isReader('given'),
unconfirmed: isUnconfirmed(desc.acs),
});
}
}
postReadNotification(seq) {
// Ignore notifications if the app is invisible.
if (!this.props.applicationVisible) {
return;
}
// Set up the timer if it's not running already.
if (!this.readNotificationTimer) {
this.readNotificationTimer = setInterval(_ => {
if (this.readNotificationQueue.length == 0) {
// Shut down the timer if the queue is empty.
clearInterval(this.readNotificationTimer);
this.readNotificationTimer = null;
return;
}
let seq = -1;
while (this.readNotificationQueue.length > 0) {
const n = this.readNotificationQueue[0];
if (n.topicName != this.state.topic) {
// Topic has changed. Drop the notification.
this.readNotificationQueue.shift();
continue;
}
const now = new Date();
if (n.sendAt <= now) {
// Remove expired notification from queue.
this.readNotificationQueue.shift();
seq = Math.max(seq, n.seq);
} else {
break;
}
}
// Send only one notification for the whole batch of messages.
if (seq >= 0) {
const topic = this.props.tinode.getTopic(this.state.topic);
if (topic) {
topic.noteRead(seq);
}
}
}, NOTIFICATION_EXEC_INTERVAL);
}
const now = new Date();
this.readNotificationQueue.push({
topicName: this.state.topic,
seq: seq,
sendAt: now.setMilliseconds(now.getMilliseconds() + READ_DELAY)
});
}
// Clear notification queue and timer.
clearNotificationQueue() {
this.readNotificationQueue = [];
if (this.readNotificationTimer) {
clearInterval(this.readNotificationTimer);
this.readNotificationTimer = null;
}
}
handleSubsUpdated() {
if (this.state.topic) {
const subs = [];
const topic = this.props.tinode.getTopic(this.state.topic);
topic.subscribers((sub) => {
if (sub.online && sub.user != this.props.myUserId) {
subs.push(sub);
}
});
const newState = {onlineSubs: subs};
const peer = topic.p2pPeerDesc();
if (peer) {
Object.assign(newState, {
peerMessagingDisabled: isPeerRestricted(peer.acs)
});
} else if (this.state.peerMessagingDisabled) {
Object.assign(newState, {
peerMessagingDisabled: false
});
}
this.setState(newState);
}
}
// The 'msg' could be false-ish if some message ranges were deleted.
handleMessageUpdate(msg) {
if (!this.state.topic) {
return;
}
const topic = this.props.tinode.getTopic(this.state.topic);
if (!msg) {
// msg could be null if one or more messages were deleted.
// Updating state to force redraw.
this.setState({latestClearId: topic.maxClearId()});
return;
}
clearTimeout(this.keyPressTimer)
this.setState({messageCount: topic.messageCount(), typingIndicator: false}, _ => {
// Scroll to the bottom if the message is added to the end of the message
// list if already at the bottom, otherwise show [go to latest] button.
// Implemented as a callback to be sure the scroll height has been updated.
if (topic.isNewMessage(msg.seq)) {
if (this.state.scrollPosition > SHOW_GO_TO_LAST_DIST) {
this.setState({showGoToLastButton: true});
} else {
this.goToLatestMessage();
}
}
});
// Aknowledge messages except own messages. They are
// automatically assumed to be read and recived.
const status = topic.msgStatus(msg, true);
if (status >= Tinode.MESSAGE_STATUS_SENT && msg.from != this.props.myUserId) {
this.postReadNotification(msg.seq);
}
}
handleAllMessagesReceived(count) {
this.setState({fetchingMessages: false});
if (count > 0) {
// 0 means "latest".
this.postReadNotification(0);
}
}
handleInfoReceipt(info) {
switch (info.what) {
case 'kp': {
clearTimeout(this.keyPressTimer);
this.keyPressTimer = setTimeout(_ => this.setState({typingIndicator: false}), KEYPRESS_DELAY + 1000);
if (!this.state.typingIndicator) {
this.setState({typingIndicator: true});
}
break;
}
case 'read':
case 'recv':
// Redraw due to changed recv/read status.
this.forceUpdate();
break;
default:
console.info("Other change in topic: ", info.what);
}
}
handleExpandMedia(content) {
if (!content) {
return;
}
if (content.video) {
this.setState({ videoPostview: content });
} else {
this.setState({ imagePostview: content });
}
}
handleClosePreview() {
if (this.state.imagePreview && this.state.imagePreview.url) {
URL.revokeObjectURL(this.state.imagePreview.url);
}
if (this.state.videoPreview && this.state.videoPreview.url) {
URL.revokeObjectURL(this.state.videoPreview.url);
}
this.setState({ imagePostview: null, imagePreview: null, docPreview: null, videoPreview: null, videoPostview: null});
}
handleFormResponse(action, text, data) {
if (action == 'pub') {
this.sendMessage(Drafty.attachJSON(Drafty.parse(text), data));
} else if (action == 'url') {
const url = new URL(data.ref);
const params = url.searchParams;
for (let key in data.resp) {
if (data.resp.hasOwnProperty(key)) {
params.set(key, data.resp[key]);
}
}
['name', 'seq'].map((key) => {
if (data[key]) {
params.set(key, data[key]);
}
});
params.set('uid', this.props.myUserId);
params.set('topic', this.state.topic);
url.search = params;
window.open(url, '_blank');
} else {
console.info("Unknown action in form", action);
}
}
handleContextClick(e) {
e.preventDefault();
e.stopPropagation();
this.props.showContextMenu({ topicName: this.state.topic, y: e.pageY, x: e.pageX });
}
handleShowMessageContextMenu(params, messageSpecificMenuItems) {
if (params.userFrom == 'chan') {
params.userFrom = this.state.topic;
params.userName = this.state.title;
}
params.topicName = this.state.topic;
const menuItems = messageSpecificMenuItems || [];
const topic = this.props.tinode.getTopic(params.topicName);
if (topic) {
if (!topic.isChannelType()) {
menuItems.push('message_delete');
}
const acs = topic.getAccessMode();
if (acs && acs.isDeleter()) {
menuItems.push('message_delete_hard');
}
}
this.props.showContextMenu(params, menuItems);
}
handleNewChatAcceptance(action) {
this.props.onNewChat(this.state.topic, action);
}
handleEnablePeer(e) {
e.preventDefault();
this.props.onChangePermissions(this.state.topic, DEFAULT_P2P_ACCESS_MODE, this.state.topic);
}
sendKeyPress(audio) {
const topic = this.props.tinode.getTopic(this.state.topic);
if (topic.isSubscribed()) {
if (audio) {
topic.noteRecording(true);
} else {
topic.noteKeyPress();
}
}
}
// sendMessage sends the message with an optional subscription to topic first.
sendMessage(msg, uploadCompletionPromise, uploader) {
let head;
if (this.props.forwardMessage) {
// We are forwarding a message.
msg = this.props.forwardMessage.msg;
head = this.props.forwardMessage.head;
this.handleCancelReply();
} else if (this.state.reply) {
if (this.state.reply.editing) {
if (msg == this.state.contentToEdit) {
// Message unchanged.
this.handleCancelReply();
return;
}
// Editing an existing message.
head = {replace: ':' + this.state.reply.seq};
} else if (this.state.reply.content) {
// Replying to a message in this topic.
// Turn it into Drafty so we can make a quoted Drafty object later.
head = {reply: '' + this.state.reply.seq};
if (typeof msg == 'string') {
msg = Drafty.parse(msg);
}
msg = Drafty.append(Drafty.sanitizeEntities(this.state.reply.content), msg);
}
this.handleCancelReply();
}
this.props.sendMessage(msg, uploadCompletionPromise, uploader, head);
}
// Retry sending a message.
retrySend(pub) {
this.props.sendMessage(pub.content, undefined, undefined, pub.head)
.then(_ => {
// All good. Remove the original message draft from the cache.
const topic = this.props.tinode.getTopic(this.state.topic);
topic.delMessagesList([pub.seq], true);
});
}
// Send attachment as Drafty message:
// - if file is too large, upload it and send a s link.
// - if file is small enough, just send it in-band.
sendFileAttachment(file) {
// Server-provided limit reduced for base64 encoding and overhead.
const maxInbandAttachmentSize = (this.props.tinode.getServerParam('maxMessageSize',
MAX_INBAND_ATTACHMENT_SIZE) * 0.75 - 1024) | 0;
if (file.size > maxInbandAttachmentSize) {
// Too large to send inband - uploading out of band and sending as a link.
const uploader = this.props.tinode.getLargeFileHelper();
if (!uploader) {
this.props.onError(this.props.intl.formatMessage(messages.cannot_initiate_upload));
return;
}
const uploadCompletionPromise = uploader.upload(file);
const msg = Drafty.attachFile(null, {
mime: file.type,
filename: file.name,
size: file.size,
urlPromise: uploadCompletionPromise
});
// Pass data and the uploader to the TinodeWeb.
this.sendMessage(msg, uploadCompletionPromise, uploader);
} else {
// Small enough to send inband.
fileToBase64(file)
.then(b64 => this.sendMessage(Drafty.attachFile(null, {
mime: b64.mime,
data: b64.bits,
filename: b64.name,
size: file.size
})))
.catch(err => this.props.onError(err.message, 'err'));
}
}
// handleAttachFile method is called when [Attach file] button is clicked: launch attachment preview.
handleAttachFile(file) {
const maxExternAttachmentSize = this.props.tinode.getServerParam('maxFileUploadSize', MAX_EXTERN_ATTACHMENT_SIZE);
if (file.size > maxExternAttachmentSize) {
// Too large.
this.props.onError(this.props.intl.formatMessage(messages.file_attachment_too_large,
{size: bytesToHumanSize(file.size), limit: bytesToHumanSize(maxExternAttachmentSize)}), 'err');
} else {
this.setState({
docPreview: {
file: file,
name: file.name,
size: file.size,
type: file.type
}
});
}
}
handleCallHangup(topic, seq) {
this.props.onVideoCallClosed();
this.setState({
rtcPanel: null
});
this.props.onCallHangup(topic, seq);
}
// sendImageAttachment sends the image bits as Drafty message.
sendImageAttachment(caption, blob) {
const mime = this.state.imagePreview.mime;
const width = this.state.imagePreview.width;
const height = this.state.imagePreview.height;
const fname = this.state.imagePreview.filename;
// Server-provided limit reduced for base64 encoding and overhead.
const maxInbandAttachmentSize = (this.props.tinode.getServerParam('maxMessageSize',
MAX_INBAND_ATTACHMENT_SIZE) * 0.75 - 1024) | 0;
if (blob.size > maxInbandAttachmentSize) {
// Too large to send inband - uploading out of band and sending as a link.
const uploader = this.props.tinode.getLargeFileHelper();
if (!uploader) {
this.props.onError(this.props.intl.formatMessage(messages.cannot_initiate_upload));
return;
}
const uploadCompletionPromise = uploader.upload(blob);
// Make small preview to show while uploading.
imageScaled(blob, IMAGE_PREVIEW_DIM, IMAGE_PREVIEW_DIM, -1, false)
// Convert tiny image into base64 for serialization and previewing.
.then(scaled => blobToBase64(scaled.blob))
.then(b64 => {
let msg = Drafty.insertImage(null, 0, {
mime: mime,
_tempPreview: b64.bits, // This preview will not be serialized.
bits: b64.bits, // Image thumbnail.
width: width,
height: height,
filename: fname,
size: blob.size,
urlPromise: uploadCompletionPromise
});
if (caption) {
msg = Drafty.appendLineBreak(msg);
msg = Drafty.append(msg, Drafty.parse(caption));
}
// Pass data and the uploader to the TinodeWeb.
this.sendMessage(msg, uploadCompletionPromise, uploader);
})
.catch(err => this.props.onError(err, 'err'));
return;
}
// Send the image inband if it's not too big. The image has been scaled already
// in image preview.
blobToBase64(blob)
.then(b64 => {
let msg = Drafty.insertImage(null, 0, {
mime: b64.mime,
bits: b64.bits,
width: width,
height: height,
filename: fname,
size: blob.size
});
if (caption) {
msg = Drafty.appendLineBreak(msg);
msg = Drafty.append(msg, Drafty.parse(caption));
}
this.sendMessage(msg);
});
}
// sendVideoAttachment sends the video bits as Drafty message.
sendVideoAttachment(caption, videoBlob, previewBlob, params) {
const width = params.width;
const height = params.height;
// Server-provided limit reduced for base64 encoding and overhead.
const maxInbandAttachmentSize = (this.props.tinode.getServerParam('maxMessageSize',
MAX_INBAND_ATTACHMENT_SIZE) * 0.75 - 1024) | 0;
const uploads = [];
let uploader;
if ((videoBlob.size + previewBlob.size) > maxInbandAttachmentSize) {
// One or both are too large to send inband. Uploading out of band and sending as a link.
uploader = this.props.tinode.getLargeFileHelper();
if (!uploader) {
this.props.onError(this.props.intl.formatMessage(messages.cannot_initiate_upload));
return;
}
uploads[0] = videoBlob.size > maxInbandAttachmentSize * 0.675 ? uploader.upload(videoBlob) : null;
uploads[1] = previewBlob.size > maxInbandAttachmentSize * 0.275 ? uploader.upload(previewBlob) : null;
}
if (uploads.length == 0) {
// Both video and preview are small enough to send inband.
Promise.all([blobToBase64(videoBlob), blobToBase64(previewBlob)])
.then(b64s => {
const [v64, i64] = b64s;
let msg = Drafty.insertVideo(null, 0, {
mime: v64.mime,
bits: v64.bits,
preview: i64.bits,
premime: i64.mime,
width: width,
height: height,
duration: params.duration,
filename: params.name,
size: videoBlob.size
});
if (caption) {
msg = Drafty.appendLineBreak(msg);
msg = Drafty.append(msg, Drafty.parse(caption));
}
this.sendMessage(msg);
});
return;
}
const uploadCompletionPromise = Promise.all(uploads);
const b64conv = [];
// Small video converted to base64.
b64conv[0] = uploads[0] ? null : blobToBase64(videoBlob);
// Full-size preview fits inline.
b64conv[1] = uploads[1] ? null : imageScaled(previewBlob, MAX_IMAGE_DIM, MAX_IMAGE_DIM, -1, false)
.then(scaled => blobToBase64(scaled.blob));
// Small preview to show while uploading.
b64conv[2] = imageScaled(previewBlob, VIDEO_PREVIEW_DIM, VIDEO_PREVIEW_DIM, -1, false)
.then(scaled => blobToBase64(scaled.blob));
Promise.all(b64conv)
// Convert tiny image into base64 for serialization and previewing.
.then(b64s => {
const [video, img, preview] = b64s;
let msg = Drafty.insertVideo(null, 0, {
mime: params.mime,
bits: video ? video.bits : null,
_tempPreview: preview.bits,
preview: img ? img.bits : preview.bits,
premime: img ? img.mime : preview.mime,
width: width,
height: height,
duration: params.duration,
filename: params.name,
size: videoBlob.size,
urlPromise: uploadCompletionPromise
});
if (caption) {
msg = Drafty.appendLineBreak(msg);
msg = Drafty.append(msg, Drafty.parse(caption));
}
// Pass data and the uploader to the TinodeWeb.
this.sendMessage(msg, uploadCompletionPromise, uploader);
})
.catch(err => this.props.onError(err.message, 'err'));
}
// handleAttachImageOrVideo method is called when [Attach image or video] button is clicked: launch image or video preview.
handleAttachImageOrVideo(file) {
const maxExternAttachmentSize = this.props.tinode.getServerParam('maxFileUploadSize', MAX_EXTERN_ATTACHMENT_SIZE);
if (file.type.startsWith('video/')) {
this.setState({videoPreview: {
url: URL.createObjectURL(file),
blob: file,
filename: file.name,
size: file.size,
mime: file.type
}});
return;
}
// Get image dimensions and size, optionally scale it down.
imageScaled(file, MAX_IMAGE_DIM, MAX_IMAGE_DIM, maxExternAttachmentSize, false)
.then(scaled => {
this.setState({imagePreview: {
url: URL.createObjectURL(scaled.blob),
blob: scaled.blob,
filename: scaled.name,
width: scaled.width,
height: scaled.height,
size: scaled.blob.size,
mime: scaled.mime
}});
}).catch(err => {
this.props.onError(err.message, 'err');
});
}
// handleFileDrop is called when the user drags & drops a file upon the message view.
handleFileDrop(files) {
if (!files || files.length == 0) {
return;
}
const file = files[0];
if (file.type && file.type.startsWith('image/')) {
this.handleAttachImageOrVideo(file);
} else {
this.handleAttachFile(file);
}
}
// sendAudioAttachment sends audio bits inband as Drafty message (no preview).
sendAudioAttachment(url, preview, duration) {
fetch(url)
.then(result => result.blob())
.then(blob => {
// Server-provided limit reduced for base64 encoding and overhead.
const maxInbandAttachmentSize = this.props.tinode.getServerParam('maxMessageSize', MAX_INBAND_ATTACHMENT_SIZE) * 0.75 - 1024;
if (blob.size > maxInbandAttachmentSize) {
// Too large to send inband - uploading out of band and sending as a link.
const uploader = this.props.tinode.getLargeFileHelper();
if (!uploader) {
this.props.onError(this.props.intl.formatMessage(messages.cannot_initiate_upload));
return;
}
const uploadCompletionPromise = uploader.upload(blob);
const msg = Drafty.appendAudio(null, {
mime: blob.type,
size: blob.size,
duration: duration,
preview: preview,
urlPromise: uploadCompletionPromise
});
// Pass data and the uploader to the TinodeWeb.
this.sendMessage(msg, uploadCompletionPromise, uploader);
} else {
// Small enough to send inband.
blobToBase64(blob)
.then(b64 => {
this.sendMessage(Drafty.appendAudio(null, {
mime: b64.mime,
bits: b64.bits,
size: blob.size,
duration: duration,
preview: preview,
}))
})
}
})
.catch(err => {this.props.onError(err.message, 'err')});;
}
handleCancelUpload(seq, uploader) {
const topic = this.props.tinode.getTopic(this.state.topic);
const found = topic.findMessage(seq);
if (found) {
found._cancelled = true;
}
uploader.cancel();
}
// seq: seq ID of the source message
// context: message content.
// senderId: UID of the sender of the source message.
// senderName: full name of the sender of the original message.
handlePickReply(seq, content, senderId, senderName) {
if (!seq || !content) {
this.setState({reply: null});
return;
}
content = typeof content == 'string' ? Drafty.init(content) : content;
if (Drafty.isValid(content)) {
content = Drafty.replyContent(content, QUOTED_REPLY_LENGTH);
} else {
// /!\ invalid content.
content = Drafty.append(Drafty.init('\u26A0 '),
Drafty.wrapInto(this.props.intl.formatMessage(messages.invalid_content), 'EM'));
}
this.setState({
reply: {
content: Drafty.quote(senderName, senderId, content),
seq: seq
}
});
this.props.onCancelForwardMessage();
}
// seq: seq ID of the message to edit.
// context: message content.
handleEditMessage(seq, content) {
if (!seq || !content) {
this.setState({reply: null});
return;
}
content = typeof content == 'string' ? Drafty.init(content) : content;
const editable = Drafty.toMarkdown(content);
if (Drafty.isValid(content)) {
content = Drafty.replyContent(content, EDIT_PREVIEW_LENGTH);
} else {
// /!\ invalid content.
content = Drafty.append(Drafty.init('\u26A0 '),
Drafty.wrapInto(this.props.intl.formatMessage(messages.invalid_content), 'EM'));
}
this.setState({
reply: {
content: Drafty.quote(this.props.intl.formatMessage(messages.editing_message), null, content),
seq: seq,
editing: true
},
contentToEdit: editable
});
this.props.onCancelForwardMessage();
}
handleCancelReply() {
this.setState({reply: null, contentToEdit: null});
this.props.onCancelForwardMessage();
}
handleQuoteClick(replyToSeq) {
const ref = this.getOrCreateMessageRef(replyToSeq);
if (ref && ref.current) {
ref.current.scrollIntoView({block: "center", behavior: "smooth"});
ref.current.classList.add('flash');
setTimeout(_ => {ref.current.classList.remove('flash')} , 1000);
} else {
console.error("Unresolved message ref", replyToSeq);
}
}
isDragEnabled() {
return this.state.isWriter && !this.state.unconfirmed && !this.props.forwardMessage && !this.state.peerMessagingDisabled;
}
handleDrag(e) {
e.preventDefault();
e.stopPropagation();
}
handleDragIn(e) {
e.preventDefault();
e.stopPropagation();
this.dragCounter++;
if (e.dataTransfer.items && e.dataTransfer.items.length > 0) {
this.setState({dragging: true});
}
}
handleDragOut(e) {
e.preventDefault();
e.stopPropagation();
this.dragCounter--;
if (this.dragCounter <= 0) {
this.setState({dragging: false});
}
}
handleDrop(e) {
e.preventDefault();
e.stopPropagation();
this.setState({dragging: false});
if (this.isDragEnabled() && e.dataTransfer.files && e.dataTransfer.files.length > 0) {
this.handleFileDrop(e.dataTransfer.files);
e.dataTransfer.clearData();
this.dragCounter = 0;
}
}
render() {
const {formatMessage} = this.props.intl;
let component;
if (this.props.hideSelf) {
component = null;
} else if (!this.state.topic) {
component = (
<LogoView
serverVersion={this.props.serverVersion}
serverAddress={this.props.serverAddress} />
);
} else {
let component2;
if (this.state.imagePreview) {
// Preview image before sending.
component2 = (
<ImagePreview
content={this.state.imagePreview}
tinode={this.props.tinode}
reply={this.state.reply}
onCancelReply={this.handleCancelReply}
onClose={this.handleClosePreview}
onSendMessage={this.sendImageAttachment} />
);
} else if (this.state.videoPreview) {
// Preview video.
component2 = (
<VideoPreview
content={this.state.videoPreview}
tinode={this.props.tinode}
reply={this.state.reply}
onError={this.props.onError}
onCancelReply={this.handleCancelReply}
onClose={this.handleClosePreview}
onSendMessage={this.sendVideoAttachment} />
);
} else if (this.state.imagePostview) {
// Expand received image.
component2 = (
<ImagePreview
content={this.state.imagePostview}
onClose={this.handleClosePreview} />
);
} else if (this.state.videoPostview) {
// Play received video.
component2 = (
<VideoPreview
content={this.state.videoPostview}
tinode={this.props.tinode}
onError={this.props.onError}
onClose={this.handleClosePreview} />
);
} else if (this.state.docPreview) {
// Preview attachment before sending.
component2 = (
<DocPreview
content={this.state.docPreview}
tinode={this.props.tinode}
reply={this.state.reply}
onCancelReply={this.handleCancelReply}
onClose={this.handleClosePreview}
onSendMessage={this.sendFileAttachment} />
);
} else if (this.state.rtcPanel) {
component2 = (
<CallPanel
topic={this.state.topic}
seq={this.props.callSeq}
callState={this.props.callState}
callAudioOnly={this.props.callAudioOnly}
tinode={this.props.tinode}
title={this.state.title}
avatar={this.state.avatar || true}
onError={this.props.onError}
onHangup={this.handleCallHangup}
onInvite={this.props.onCallInvite}
onSendOffer={this.props.onCallSendOffer}
onIceCandidate={this.props.onCallIceCandidate}
onSendAnswer={this.props.onCallSendAnswer} />
);
} else {
const topic = this.props.tinode.getTopic(this.state.topic);
const isChannel = topic.isChannelType();
const groupTopic = topic.isGroupType() && !isChannel;
const icon_badges = [];
if (topic.trusted) {
if (topic.trusted.verified) {
icon_badges.push({icon: 'verified', color: 'badge-inv'});
}
if (topic.trusted.staff) {
icon_badges.push({icon: 'staff', color: 'badge-inv'});
}
if (topic.trusted.danger) {
icon_badges.push({icon: 'dangerous', color: 'badge-inv'});
}
}
const messageNodes = [];
let previousFrom = null;
let prevDate = null;
let chatBoxClass = null;
topic.messages((msg, prev, next, i) => {
let nextFrom = next ? (next.from || 'chan') : null;
let sequence = 'single';
let thisFrom = msg.from || 'chan';
if (thisFrom == previousFrom) {
if (thisFrom == nextFrom) {
sequence = 'middle';
} else {
sequence = 'last';
}
} else if (thisFrom == nextFrom) {
sequence = 'first';
}
previousFrom = thisFrom;
const isReply = !(thisFrom == this.props.myUserId);
const deliveryStatus = topic.msgStatus(msg, true);
let userFrom = thisFrom, userName, userAvatar;
const user = topic.userDesc(thisFrom);
if (user && user.public) {
userName = user.public.fn;
userAvatar = makeImageUrl(user.public.photo);
}
chatBoxClass = groupTopic ? 'chat-box group' : 'chat-box';
// Ref for this chat message.
const ref = this.getOrCreateMessageRef(msg.seq);
let replyToSeq = msg.head ? parseInt(msg.head.reply) : null;
if (!replyToSeq || isNaN(replyToSeq)) {
replyToSeq = null;
}
if (msg.hi) {
// Deleted message.
messageNodes.push(
<MetaMessage
deleted={true}
key={msg.seq} />
);
} else {
const thisDate = new Date(msg.ts);
// This message was sent on a different date than the previous.
if (!prevDate || prevDate.toDateString() != thisDate.toDateString()) {
messageNodes.push(
<MetaMessage
date={relativeDateFormat(msg.ts)}
locale={this.props.intl.locale}
key={'date-' + msg.seq} />
);
prevDate = thisDate;
}
messageNodes.push(
<ChatMessage
tinode={this.props.tinode}
content={msg.content}
mimeType={msg.head && msg.head.mime}
replyToSeq={replyToSeq}
edited={msg.head && !msg.head.webrtc && msg.head.replace}
timestamp={msg.ts}
response={isReply}
seq={msg.seq}
isGroup={groupTopic}
isChan={this.state.channel}
userFrom={userFrom}
userName={userName}
userAvatar={userAvatar}
sequence={sequence}
received={deliveryStatus}
uploader={msg._uploader}
userIsWriter={this.state.isWriter}
viewportWidth={this.props.viewportWidth} // Used by `formatter`.
showContextMenu={this.handleShowMessageContextMenu}
onExpandMedia={this.handleExpandMedia}
onFormResponse={this.handleFormResponse}
onCancelUpload={this.handleCancelUpload}
pickReply={this.handlePickReply}
editMessage={this.handleEditMessage}
onQuoteClick={this.handleQuoteClick}
onError={this.props.onError}
ref={ref}
key={msg.seq} />
);
}
});
let lastSeen = null;
if (isChannel) {
lastSeen = formatMessage(messages.channel);
} else {
const cont = this.props.tinode.getMeTopic().getContact(this.state.topic);
if (cont && Tinode.isP2PTopicName(cont.topic)) {
if (cont.online) {
lastSeen = formatMessage(messages.online_now);
} else if (cont.seen) {
lastSeen = formatMessage(messages.last_seen) + ": " +
shortDateFormat(cont.seen.when, this.props.intl.locale);
// TODO: also handle user agent in c.seen.ua
}
}
}
const avatar = this.state.avatar || true;
const online = this.state.deleted ? null :
this.props.online ? 'online' + (this.state.typingIndicator ? ' typing' : '') : 'offline';
const titleClass = 'panel-title' + (this.state.deleted ? ' deleted' : '');
let messagesComponent = (
<>
<div id="messages-container">
<button className={'action-button' + (this.state.showGoToLastButton ? '' : ' hidden')}
onClick={this.goToLatestMessage}>
<i className="material-icons">arrow_downward</i>
</button>
<div id="messages-panel" ref={this.handleScrollReference}>
<ul id="scroller" className={chatBoxClass}>
{messageNodes}
</ul>
</div>
{!this.state.isReader ?
<div id="write-only-background">
{this.state.readingBlocked ?
<div id="write-only-note">
<FormattedMessage id="messages_not_readable" defaultMessage="no access to messages"
description="Message shown in topic without the read access" />
</div>
: null }
</div>
: null }
</div>
{this.state.peerMessagingDisabled && !this.state.unconfirmed ?
<div id="peer-messaging-disabled-note">
<i className="material-icons secondary">block</i> <FormattedMessage
id="peers_messaging_disabled" defaultMessage="Peer's messaging is disabled."
description="Shown when the p2p peer's messaging is disabled" /> <a href="#"
onClick={this.handleEnablePeer}><FormattedMessage id="enable_peers_messaging"
defaultMessage="Enable" description="Call to action to enable peer's messaging" /></a>.
</div> : null}
{this.state.unconfirmed ?
<Invitation onAction={this.handleNewChatAcceptance} />
:
<SendMessage
tinode={this.props.tinode}
topicName={this.state.topic}
noInput={!!this.props.forwardMessage}
disabled={!this.state.isWriter || this.state.deleted}
reply={this.state.reply}
initMessage={this.state.contentToEdit}
onKeyPress={this.sendKeyPress}
onRecordingProgress={this.sendKeyPress}
onSendMessage={this.sendMessage}
onAttachFile={this.props.forwardMessage ? null : this.handleAttachFile}
onAttachImage={this.props.forwardMessage ? null : this.handleAttachImageOrVideo}
onAttachAudio={this.props.forwardMessage ? null : this.sendAudioAttachment}
onError={this.props.onError}
onQuoteClick={this.handleQuoteClick}
onCancelReply={this.handleCancelReply} />}
</>
);
component2 = (
<>
<div id="topic-caption-panel" className="caption-panel">
{this.props.displayMobile ?
<a href="#" id="hide-message-view" onClick={(e) => {e.preventDefault(); this.props.onHideMessagesView();}}>
<i className="material-icons">arrow_back</i>
</a>
:
null}
<div className="avatar-box">
<LetterTile
tinode={this.props.tinode}
avatar={avatar}
topic={this.state.topic}
title={this.state.title}
deleted={this.state.deleted} />
{!isChannel ? <span className={online} /> : null}
</div>
<div id="topic-title-group">
<div id="topic-title" className={titleClass}>{
this.state.title ||
<i><FormattedMessage id="unnamed_topic" defaultMessage="Unnamed"
description="Title shown when the topic has no name" /></i>
}<ContactBadges badges={icon_badges} /></div>
<div id="topic-last-seen">{lastSeen}</div>
</div>
{groupTopic ?
<GroupSubs
tinode={this.props.tinode}
subscribers={this.state.onlineSubs} /> :
<div id="topic-users" />
}
<div>
<a href="#" onClick={this.handleContextClick}>
<i className="material-icons">more_vert</i>
</a>
</div>
</div>
{this.props.displayMobile ?
<ErrorPanel
level={this.props.errorLevel}
text={this.props.errorText}
onClearError={this.props.onError} />
: null}
<LoadSpinner show={this.state.fetchingMessages} />
{messagesComponent}
{this.state.dragging && this.isDragEnabled() ?
<div className="drag-n-drop">{formatMessage(messages.drag_file)}</div>
: null}
</>
);
}
component = <div id="topic-view" ref={this.mountDnDEvents}>{component2}</div>
}
return component;
}
};
export default injectIntl(MessagesView);