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Code Issues Releases Wiki Activity

avoid unneeded lookups in memberDict 

have members be an array of RoomMember instead of userId, so
we can avoid multiple lookups when sorting, rendering, ...
pull/21833/head
Bruno Windels 2018-09-05 15:25:08 +02:00
parent 50de22fb51
commit 8500a7131f
1 changed files with 19 additions and 30 deletions
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49
src/components/views/rooms/MemberList.js
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@ -196,12 +196,12 @@ module.exports = React.createClass({
const all_members = room.currentState.members;
Object.keys(all_members).map(function(userId) {
Object.values(all_members).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 (all_members[userId].user === null) {
all_members[userId].user = MatrixClientPeg.get().getUser(userId);
if (member.user === null) {
member.user = cli.getUser(member.userId);
}
// XXX: this user may have no lastPresenceTs value!
@ -212,26 +212,20 @@ module.exports = React.createClass({
},
roomMembers: function() {
const all_members = this.memberDict || {};
const all_user_ids = Object.keys(all_members);
const ConferenceHandler = CallHandler.getConferenceHandler();
all_user_ids.sort(this.memberSort);
const to_display = [];
let count = 0;
for (let i = 0; i < all_user_ids.length; ++i) {
const user_id = all_user_ids[i];
const m = all_members[user_id];
if (m.membership === 'join' || m.membership === 'invite') {
if ((ConferenceHandler && !ConferenceHandler.isConferenceUser(user_id)) || !ConferenceHandler) {
to_display.push(user_id);
++count;
}
}
}
return to_display;
const allMembersDict = this.memberDict || {};
const allMembers = Object.values(allMembersDict);
const filteredAndSortedMembers = allMembers.filter((m) => {
return (
m.membership === 'join' || m.membership === 'invite'
) && (
!ConferenceHandler ||
(ConferenceHandler && !ConferenceHandler.isConferenceUser(m.userId))
);
});
filteredAndSortedMembers.sort(this.memberSort);
return filteredAndSortedMembers;
},
_createOverflowTileJoined: function(overflowCount, totalCount) {
@ -278,14 +272,12 @@ module.exports = React.createClass({
// 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(userIdA, userIdB) {
memberSort: function(memberA, memberB) {
// order by last active, with "active now" first.
// ...and then by power
// ...and then alphabetically.
// We could tiebreak instead by "last recently spoken in this room" if we wanted to.
const memberA = this.memberDict[userIdA];
const memberB = this.memberDict[userIdB];
const userA = memberA.user;
const userB = memberB.user;
@ -335,9 +327,7 @@ module.exports = React.createClass({
},
_filterMembers: function(members, membership, query) {
return members.filter((userId) => {
const m = this.memberDict[userId];
return members.filter((m) => {
if (query) {
query = query.toLowerCase();
const matchesName = m.name.toLowerCase().indexOf(query) !== -1;
@ -379,10 +369,9 @@ module.exports = React.createClass({
_makeMemberTiles: function(members, membership) {
const MemberTile = sdk.getComponent("rooms.MemberTile");
const memberList = members.map((userId) => {
const m = this.memberDict[userId];
const memberList = members.map((m) => {
return (
<MemberTile key={userId} member={m} ref={userId} showPresence={this._showPresence} />
<MemberTile key={m.userId} member={m} ref={m.userId} showPresence={this._showPresence} />
);
});