cinny/src/client/state/Notifications.js

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import EventEmitter from 'events';
import renderAvatar from '../../app/atoms/avatar/render';
import { cssColorMXID } from '../../util/colorMXID';
import { selectRoom } from '../action/navigation';
import cons from './cons';
import navigation from './navigation';
import settings from './settings';
function isNotifEvent(mEvent) {
const eType = mEvent.getType();
if (!cons.supportEventTypes.includes(eType)) return false;
if (eType === 'm.room.member') return false;
if (mEvent.isRedacted()) return false;
if (mEvent.getRelation()?.rel_type === 'm.replace') return false;
return true;
}
class Notifications extends EventEmitter {
constructor(roomList) {
super();
this.matrixClient = roomList.matrixClient;
this.roomList = roomList;
this.roomIdToNoti = new Map();
this._initNoti();
this._listenEvents();
// Ask for permission by default after loading
window.Notification?.requestPermission();
// TODO:
window.notifications = this;
}
_initNoti() {
const addNoti = (roomId) => {
const room = this.matrixClient.getRoom(roomId);
if (this.doesRoomHaveUnread(room) === false) return;
const total = room.getUnreadNotificationCount('total');
const highlight = room.getUnreadNotificationCount('highlight');
this._setNoti(room.roomId, total ?? 0, highlight ?? 0);
};
[...this.roomList.rooms].forEach(addNoti);
[...this.roomList.directs].forEach(addNoti);
}
doesRoomHaveUnread(room) {
const userId = this.matrixClient.getUserId();
const readUpToId = room.getEventReadUpTo(userId);
const liveEvents = room.getLiveTimeline().getEvents();
if (liveEvents[liveEvents.length - 1]?.getSender() === userId) {
return false;
}
for (let i = liveEvents.length - 1; i >= 0; i -= 1) {
const event = liveEvents[i];
if (event.getId() === readUpToId) return false;
if (isNotifEvent(event)) return true;
}
return true;
}
getNoti(roomId) {
return this.roomIdToNoti.get(roomId) || { total: 0, highlight: 0, from: null };
}
getTotalNoti(roomId) {
const { total } = this.getNoti(roomId);
return total;
}
getHighlightNoti(roomId) {
const { highlight } = this.getNoti(roomId);
return highlight;
}
getFromNoti(roomId) {
const { from } = this.getNoti(roomId);
return from;
}
hasNoti(roomId) {
return this.roomIdToNoti.has(roomId);
}
deleteNoti(roomId) {
if (this.hasNoti(roomId)) {
const noti = this.getNoti(roomId);
this._deleteNoti(roomId, noti.total, noti.highlight);
}
}
_setNoti(roomId, total, highlight) {
const addNoti = (id, t, h, fromId) => {
const prevTotal = this.roomIdToNoti.get(id)?.total ?? null;
const noti = this.getNoti(id);
noti.total += t;
noti.highlight += h;
if (fromId) {
if (noti.from === null) noti.from = new Set();
noti.from.add(fromId);
}
this.roomIdToNoti.set(id, noti);
this.emit(cons.events.notifications.NOTI_CHANGED, id, noti.total, prevTotal);
};
const noti = this.getNoti(roomId);
const addT = total - noti.total;
const addH = highlight - noti.highlight;
if (addT < 0 || addH < 0) return;
addNoti(roomId, addT, addH);
const allParentSpaces = this.roomList.getAllParentSpaces(roomId);
allParentSpaces.forEach((spaceId) => {
addNoti(spaceId, addT, addH, roomId);
});
}
_deleteNoti(roomId, total, highlight) {
const removeNoti = (id, t, h, fromId) => {
if (this.roomIdToNoti.has(id) === false) return;
const noti = this.getNoti(id);
const prevTotal = noti.total;
noti.total -= t;
noti.highlight -= h;
if (noti.total < 0) {
noti.total = 0;
noti.highlight = 0;
}
if (fromId && noti.from !== null) {
if (!this.hasNoti(fromId)) noti.from.delete(fromId);
}
if (noti.from === null || noti.from.size === 0) {
this.roomIdToNoti.delete(id);
this.emit(cons.events.notifications.FULL_READ, id);
this.emit(cons.events.notifications.NOTI_CHANGED, id, null, prevTotal);
} else {
this.roomIdToNoti.set(id, noti);
this.emit(cons.events.notifications.NOTI_CHANGED, id, noti.total, prevTotal);
}
};
removeNoti(roomId, total, highlight);
const allParentSpaces = this.roomList.getAllParentSpaces(roomId);
allParentSpaces.forEach((spaceId) => {
removeNoti(spaceId, total, highlight, roomId);
});
}
async _displayPopupNoti(mEvent, room) {
if (!settings.showNotifications) return;
const actions = this.matrixClient.getPushActionsForEvent(mEvent);
if (!actions?.notify) return;
if (navigation.selectedRoomId === room.roomId && document.visibilityState === 'visible') return;
if (mEvent.isEncrypted()) {
await mEvent.attemptDecryption(this.matrixClient.crypto);
}
let title;
if (!mEvent.sender || room.name === mEvent.sender.name) {
title = room.name;
} else if (mEvent.sender) {
title = `${mEvent.sender.name} (${room.name})`;
}
const iconSize = 36;
const icon = await renderAvatar({
text: mEvent.sender.name,
bgColor: cssColorMXID(mEvent.getSender()),
imageSrc: mEvent.sender?.getAvatarUrl(this.matrixClient.baseUrl, iconSize, iconSize, 'crop'),
size: iconSize,
borderRadius: 8,
scale: 8,
});
const noti = new window.Notification(title, {
body: mEvent.getContent().body,
icon,
});
noti.onclick = () => selectRoom(room.roomId, mEvent.getId());
}
_listenEvents() {
this.matrixClient.on('Room.timeline', (mEvent, room) => {
if (room.isSpaceRoom()) return;
if (!isNotifEvent(mEvent)) return;
const liveEvents = room.getLiveTimeline().getEvents();
const lastTimelineEvent = liveEvents[liveEvents.length - 1];
if (lastTimelineEvent.getId() !== mEvent.getId()) return;
if (mEvent.getSender() === this.matrixClient.getUserId()) return;
const total = room.getUnreadNotificationCount('total');
const highlight = room.getUnreadNotificationCount('highlight');
this._setNoti(room.roomId, total ?? 0, highlight ?? 0);
if (this.matrixClient.getSyncState() === 'SYNCING') {
this._displayPopupNoti(mEvent, room);
}
});
this.matrixClient.on('Room.receipt', (mEvent, room) => {
if (mEvent.getType() === 'm.receipt') {
if (room.isSpaceRoom()) return;
const content = mEvent.getContent();
const readedEventId = Object.keys(content)[0];
const readerUserId = Object.keys(content[readedEventId]['m.read'])[0];
if (readerUserId !== this.matrixClient.getUserId()) return;
this.deleteNoti(room.roomId);
}
});
this.matrixClient.on('Room.myMembership', (room, membership) => {
if (membership === 'leave' && this.hasNoti(room.roomId)) {
this.deleteNoti(room.roomId);
}
});
}
}
export default Notifications;