element-web/src/components/views/rooms/MemberList.js

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/*
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Copyright 2015, 2016 OpenMarket Ltd
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Copyright 2017 Vector Creations Ltd
Copyright 2017, 2018 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import React from 'react';
import { _t } from '../../../languageHandler';
import SdkConfig from '../../../SdkConfig';
import dis from '../../../dispatcher';
const MatrixClientPeg = require("../../../MatrixClientPeg");
const sdk = require('../../../index');
const rate_limited_func = require('../../../ratelimitedfunc');
const CallHandler = require("../../../CallHandler");
const INITIAL_LOAD_NUM_MEMBERS = 30;
const INITIAL_LOAD_NUM_INVITED = 5;
const SHOW_MORE_INCREMENT = 100;
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module.exports = React.createClass({
displayName: 'MemberList',
getInitialState: function() {
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const cli = MatrixClientPeg.get();
if (cli.hasLazyLoadMembersEnabled()) {
// show an empty list
return this._getMembersState([]);
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} else {
return this._getMembersState(this.roomMembers());
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}
},
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componentWillMount: function() {
this._mounted = true;
const cli = MatrixClientPeg.get();
if (cli.hasLazyLoadMembersEnabled()) {
this._showMembersAccordingToMembershipWithLL();
cli.on("Room.myMembership", this.onMyMembership);
} else {
this._listenForMembersChanges();
}
cli.on("Room", this.onRoom); // invites & joining after peek
const enablePresenceByHsUrl = SdkConfig.get()["enable_presence_by_hs_url"];
const hsUrl = MatrixClientPeg.get().baseUrl;
this._showPresence = true;
if (enablePresenceByHsUrl && enablePresenceByHsUrl[hsUrl] !== undefined) {
this._showPresence = enablePresenceByHsUrl[hsUrl];
}
},
_listenForMembersChanges: function() {
const cli = MatrixClientPeg.get();
cli.on("RoomState.members", this.onRoomStateMember);
cli.on("RoomMember.name", this.onRoomMemberName);
cli.on("RoomState.events", this.onRoomStateEvent);
// We listen for changes to the lastPresenceTs which is essentially
// listening for all presence events (we display most of not all of
// the information contained in presence events).
cli.on("User.lastPresenceTs", this.onUserPresenceChange);
cli.on("User.presence", this.onUserPresenceChange);
cli.on("User.currentlyActive", this.onUserPresenceChange);
// cli.on("Room.timeline", this.onRoomTimeline);
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},
componentWillUnmount: function() {
this._mounted = false;
const cli = MatrixClientPeg.get();
if (cli) {
cli.removeListener("RoomState.members", this.onRoomStateMember);
cli.removeListener("RoomMember.name", this.onRoomMemberName);
cli.removeListener("Room.myMembership", this.onMyMembership);
cli.removeListener("RoomState.events", this.onRoomStateEvent);
cli.removeListener("Room", this.onRoom);
cli.removeListener("User.lastPresenceTs", this.onUserPresenceChange);
cli.removeListener("User.presence", this.onUserPresenceChange);
cli.removeListener("User.currentlyActive", this.onUserPresenceChange);
}
// cancel any pending calls to the rate_limited_funcs
this._updateList.cancelPendingCall();
},
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/**
* If lazy loading is enabled, either:
* show a spinner and load the members if the user is joined,
* or show the members available so far if the user is invited
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*/
_showMembersAccordingToMembershipWithLL: async function() {
const cli = MatrixClientPeg.get();
if (cli.hasLazyLoadMembersEnabled()) {
const cli = MatrixClientPeg.get();
const room = cli.getRoom(this.props.roomId);
const membership = room && room.getMyMembership();
if (membership === "join") {
this.setState({loading: true});
try {
await room.loadMembersIfNeeded();
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} catch (ex) {/* already logged in RoomView */}
if (this._mounted) {
this.setState(this._getMembersState(this.roomMembers()));
this._listenForMembersChanges();
}
} else if (membership === "invite") {
// show the members we've got when invited
this.setState(this._getMembersState(this.roomMembers()));
}
}
},
_getMembersState: function(members) {
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// set the state after determining _showPresence to make sure it's
// taken into account while rerendering
return {
loading: false,
members: members,
filteredJoinedMembers: this._filterMembers(members, 'join'),
filteredInvitedMembers: this._filterMembers(members, 'invite'),
// ideally we'd size this to the page height, but
// in practice I find that a little constraining
truncateAtJoined: INITIAL_LOAD_NUM_MEMBERS,
truncateAtInvited: INITIAL_LOAD_NUM_INVITED,
searchQuery: "",
};
},
onUserPresenceChange(event, user) {
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// Attach a SINGLE listener for global presence changes then locate the
// member tile and re-render it. This is more efficient than every tile
// ever attaching their own listener.
const tile = this.refs[user.userId];
// console.log(`Got presence update for ${user.userId}. hasTile=${!!tile}`);
if (tile) {
this._updateList(); // reorder the membership list
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}
},
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onRoom: function(room) {
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if (room.roomId !== this.props.roomId) {
return;
}
// We listen for room events because when we accept an invite
// we need to wait till the room is fully populated with state
// before refreshing the member list else we get a stale list.
this._showMembersAccordingToMembershipWithLL();
},
onMyMembership: function(room, membership, oldMembership) {
if (room.roomId === this.props.roomId && membership === "join") {
this._showMembersAccordingToMembershipWithLL();
}
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},
onRoomStateMember: function(ev, state, member) {
if (member.roomId !== this.props.roomId) {
return;
}
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this._updateList();
},
onRoomMemberName: function(ev, member) {
if (member.roomId !== this.props.roomId) {
return;
}
this._updateList();
},
onRoomStateEvent: function(event, state) {
if (event.getRoomId() === this.props.roomId &&
event.getType() === "m.room.third_party_invite") {
this._updateList();
}
},
_updateList: new rate_limited_func(function() {
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// console.log("Updating memberlist");
const newState = {
loading: false,
members: this.roomMembers(),
};
newState.filteredJoinedMembers = this._filterMembers(newState.members, 'join', this.state.searchQuery);
newState.filteredInvitedMembers = this._filterMembers(newState.members, 'invite', this.state.searchQuery);
this.setState(newState);
}, 500),
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getMembersWithUser: function() {
if (!this.props.roomId) return [];
const cli = MatrixClientPeg.get();
const room = cli.getRoom(this.props.roomId);
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if (!room) return [];
const allMembers = Object.values(room.currentState.members);
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allMembers.forEach(function(member) {
// work around a race where you might have a room member object
// before the user object exists. This may or may not cause
// https://github.com/vector-im/vector-web/issues/186
if (member.user === null) {
member.user = cli.getUser(member.userId);
}
// XXX: this user may have no lastPresenceTs value!
// the right solution here is to fix the race rather than leave it as 0
});
return allMembers;
},
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roomMembers: function() {
const ConferenceHandler = CallHandler.getConferenceHandler();
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const allMembers = this.getMembersWithUser();
const filteredAndSortedMembers = allMembers.filter((m) => {
return (
m.membership === 'join' || m.membership === 'invite'
) && (
!ConferenceHandler ||
(ConferenceHandler && !ConferenceHandler.isConferenceUser(m.userId))
);
});
filteredAndSortedMembers.sort(this.memberSort);
return filteredAndSortedMembers;
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},
_createOverflowTileJoined: function(overflowCount, totalCount) {
return this._createOverflowTile(overflowCount, totalCount, this._showMoreJoinedMemberList);
},
_createOverflowTileInvited: function(overflowCount, totalCount) {
return this._createOverflowTile(overflowCount, totalCount, this._showMoreInvitedMemberList);
},
_createOverflowTile: function(overflowCount, totalCount, onClick) {
// For now we'll pretend this is any entity. It should probably be a separate tile.
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const EntityTile = sdk.getComponent("rooms.EntityTile");
const BaseAvatar = sdk.getComponent("avatars.BaseAvatar");
const text = _t("and %(count)s others...", { count: overflowCount });
return (
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<EntityTile className="mx_EntityTile_ellipsis" avatarJsx={
<BaseAvatar url="img/ellipsis.svg" name="..." width={36} height={36} />
} name={text} presenceState="online" suppressOnHover={true}
onClick={onClick} />
);
},
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_showMoreJoinedMemberList: function() {
this.setState({
truncateAtJoined: this.state.truncateAtJoined + SHOW_MORE_INCREMENT,
});
},
_showMoreInvitedMemberList: function() {
this.setState({
truncateAtInvited: this.state.truncateAtInvited + SHOW_MORE_INCREMENT,
});
},
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memberString: function(member) {
if (!member) {
return "(null)";
} else {
const u = member.user;
return "(" + member.name + ", " + member.powerLevel + ", " + (u ? u.lastActiveAgo : "<null>") + ", " + (u ? u.getLastActiveTs() : "<null>") + ", " + (u ? u.currentlyActive : "<null>") + ")";
}
},
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// returns negative if a comes before b,
// returns 0 if a and b are equivalent in ordering
// returns positive if a comes after b.
memberSort: function(memberA, memberB) {
// order by presence, with "active now" first.
// ...and then by power level
// ...and then by last active
// ...and then alphabetically.
// We could tiebreak instead by "last recently spoken in this room" if we wanted to.
// console.log(`Comparing userA=${this.memberString(memberA)} userB=${this.memberString(memberB)}`);
const userA = memberA.user;
const userB = memberB.user;
// if (!userA) console.log("!! MISSING USER FOR A-SIDE: " + memberA.name + " !!");
// if (!userB) console.log("!! MISSING USER FOR B-SIDE: " + memberB.name + " !!");
if (!userA && !userB) return 0;
if (userA && !userB) return -1;
if (!userA && userB) return 1;
// First by presence
if (this._showPresence) {
const convertPresence = (p) => p === 'unavailable' ? 'online' : p;
const presenceIndex = p => {
const order = ['active', 'online', 'offline'];
const idx = order.indexOf(convertPresence(p));
return idx === -1 ? order.length : idx; // unknown states at the end
};
const idxA = presenceIndex(userA.currentlyActive ? 'active' : userA.presence);
const idxB = presenceIndex(userB.currentlyActive ? 'active' : userB.presence);
// console.log(`userA_presenceGroup=${idxA} userB_presenceGroup=${idxB}`);
if (idxA !== idxB) {
// console.log("Comparing on presence group - returning");
return idxA - idxB;
}
}
// Second by power level
if (memberA.powerLevel !== memberB.powerLevel) {
// console.log("Comparing on power level - returning");
return memberB.powerLevel - memberA.powerLevel;
}
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// Third by last active
if (this._showPresence && userA.getLastActiveTs() !== userB.getLastActiveTs) {
// console.log("Comparing on last active timestamp - returning");
return userB.getLastActiveTs() - userA.getLastActiveTs();
}
// Fourth by name (alphabetical)
const nameA = memberA.name[0] === '@' ? memberA.name.substr(1) : memberA.name;
const nameB = memberB.name[0] === '@' ? memberB.name.substr(1) : memberB.name;
// console.log(`Comparing userA_name=${nameA} against userB_name=${nameB} - returning`);
return nameA.localeCompare(nameB);
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},
onSearchQueryChanged: function(ev) {
const q = ev.target.value;
this.setState({
searchQuery: q,
filteredJoinedMembers: this._filterMembers(this.state.members, 'join', q),
filteredInvitedMembers: this._filterMembers(this.state.members, 'invite', q),
});
},
_filterMembers: function(members, membership, query) {
return members.filter((m) => {
if (query) {
query = query.toLowerCase();
const matchesName = m.name.toLowerCase().indexOf(query) !== -1;
const matchesId = m.userId.toLowerCase().indexOf(query) !== -1;
if (!matchesName && !matchesId) {
return false;
}
}
return m.membership === membership;
});
},
_getPending3PidInvites: function() {
// include 3pid invites (m.room.third_party_invite) state events.
// The HS may have already converted these into m.room.member invites so
// we shouldn't add them if the 3pid invite state key (token) is in the
// member invite (content.third_party_invite.signed.token)
const room = MatrixClientPeg.get().getRoom(this.props.roomId);
if (room) {
return room.currentState.getStateEvents("m.room.third_party_invite").filter(function(e) {
// any events without these keys are not valid 3pid invites, so we ignore them
const requiredKeys = ['key_validity_url', 'public_key', 'display_name'];
for (let i = 0; i < requiredKeys.length; ++i) {
if (e.getContent()[requiredKeys[i]] === undefined) return false;
}
// discard all invites which have a m.room.member event since we've
// already added them.
const memberEvent = room.currentState.getInviteForThreePidToken(e.getStateKey());
if (memberEvent) return false;
return true;
});
}
},
_makeMemberTiles: function(members, membership) {
const MemberTile = sdk.getComponent("rooms.MemberTile");
const memberList = members.map((m) => {
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return (
<MemberTile key={m.userId} member={m} ref={m.userId} showPresence={this._showPresence} />
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);
});
// XXX: surely this is not the right home for this logic.
// Double XXX: Now it's really, really not the right home for this logic:
// we shouldn't even be passing in the 'membership' param to this function.
// Ew, ew, and ew.
// Triple XXX: This violates the size constraint, the output is expected/desired
// to be the same length as the members input array.
if (membership === "invite") {
const EntityTile = sdk.getComponent("rooms.EntityTile");
memberList.push(...this._getPending3PidInvites().map((e) => {
return <EntityTile key={e.getStateKey()}
name={e.getContent().display_name}
suppressOnHover={true}
/>;
}));
}
return memberList;
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},
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_getChildrenJoined: function(start, end) {
return this._makeMemberTiles(this.state.filteredJoinedMembers.slice(start, end));
},
_getChildCountJoined: function() {
return this.state.filteredJoinedMembers.length;
},
_getChildrenInvited: function(start, end) {
return this._makeMemberTiles(this.state.filteredInvitedMembers.slice(start, end), 'invite');
},
_getChildCountInvited: function() {
return this.state.filteredInvitedMembers.length + (this._getPending3PidInvites() || []).length;
},
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render: function() {
if (this.state.loading) {
const Spinner = sdk.getComponent("elements.Spinner");
return <div className="mx_MemberList"><Spinner /></div>;
}
const TruncatedList = sdk.getComponent("elements.TruncatedList");
const GeminiScrollbarWrapper = sdk.getComponent("elements.GeminiScrollbarWrapper");
const cli = MatrixClientPeg.get();
const room = cli.getRoom(this.props.roomId);
let inviteButton;
if (room && room.getMyMembership() === 'join') {
const TintableSvg = sdk.getComponent("elements.TintableSvg");
const AccessibleButton = sdk.getComponent("elements.AccessibleButton");
inviteButton =
<AccessibleButton className="mx_MemberList_invite" onClick={this.onInviteButtonClick}>
<span>{ _t('Invite to this room') }</span>
</AccessibleButton>;
}
let invitedHeader;
let invitedSection;
if (this._getChildCountInvited() > 0) {
invitedHeader = <h2>{ _t("Invited") }</h2>;
invitedSection = <TruncatedList className="mx_MemberList_section mx_MemberList_invited" truncateAt={this.state.truncateAtInvited}
createOverflowElement={this._createOverflowTileInvited}
getChildren={this._getChildrenInvited}
getChildCount={this._getChildCountInvited}
/>;
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}
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return (
<div className="mx_MemberList">
{ inviteButton }
<GeminiScrollbarWrapper autoshow={true}>
<div className="mx_MemberList_wrapper">
<TruncatedList className="mx_MemberList_section mx_MemberList_joined" truncateAt={this.state.truncateAtJoined}
createOverflowElement={this._createOverflowTileJoined}
getChildren={this._getChildrenJoined}
getChildCount={this._getChildCountJoined} />
{ invitedHeader }
{ invitedSection }
</div>
</GeminiScrollbarWrapper>
<input className="mx_MemberList_query mx_textinput_icon mx_textinput_search" id="mx_MemberList_query" type="text"
onChange={this.onSearchQueryChanged} value={this.state.searchQuery}
placeholder={_t('Filter room members')} />
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</div>
);
},
onInviteButtonClick: function() {
if (MatrixClientPeg.get().isGuest()) {
dis.dispatch({action: 'require_registration'});
return;
}
// call AddressPickerDialog
dis.dispatch({
action: 'view_invite',
roomId: this.props.roomId,
});
},
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});