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Code Issues Releases Wiki Activity

Implement a cache on _tsOfNewestEvent: ~75% improvement

pull/21833/head
Travis Ralston 2019-02-13 19:16:11 -07:00
parent 52f48f7422
commit c0b63f986f
1 changed files with 18 additions and 14 deletions
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32
src/stores/RoomListStore.js
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@ -96,7 +96,8 @@ class RoomListStore extends Store {
case 'MatrixActions.Room.receipt': {
if (!logicallyReady) break;
// First see if the receipt event is for our own user
// First see if the receipt event is for our own user. If it was, trigger
// a room update (we probably read the room on a different device).
const myUserId = this._matrixClient.getUserId();
for (const eventId of Object.keys(payload.event.getContent())) {
const receiptUsers = Object.keys(payload.event.getContent()[eventId]['m.read'] || {});
@ -161,14 +162,6 @@ class RoomListStore extends Store {
this._generateInitialRoomLists();
}
break;
// TODO: Remove if not actually needed
// case 'MatrixActions.Room.accountData': {
// if (!logicallyReady) break;
// if (payload.event_type === 'm.fully_read') {
// console.log("!! Fully read: ", payload);
// }
// }
// break;
case 'MatrixActions.Room.myMembership': {
if (!logicallyReady) break;
this._roomUpdateTriggered(payload.room.roomId);
@ -263,7 +256,6 @@ class RoomListStore extends Store {
let lastCategoryBoundary = 0;
let lastCategoryIndex = 0;
for (const entry of this._state.lists[key]) {
// if the list is a recent list, and the room appears in this list, and we're not looking at a sticky
// room (sticky rooms have unreliable categories), try to slot the new room in
if (LIST_ORDERS[key] === 'recent' && hasRoom && entry.room.roomId !== this._state.stickyRoomId) {
@ -386,11 +378,23 @@ class RoomListStore extends Store {
}
});
// We use this cache in the recents comparator because _tsOfNewestEvent can take a while
const latestEventTsCache = {}; // roomId => timestamp
Object.keys(lists).forEach((listKey) => {
let comparator;
switch (LIST_ORDERS[listKey]) {
case "recent":
comparator = this._recentsComparator;
comparator = (entryA, entryB) => {
this._recentsComparator(entryA, entryB, (room) => {
if (latestEventTsCache[room.roomId]) {
return latestEventTsCache[room.roomId];
}
const ts = this._tsOfNewestEvent(room);
latestEventTsCache[room.roomId] = ts;
return ts;
});
};
break;
case "manual":
default:
@ -444,7 +448,7 @@ class RoomListStore extends Store {
return CATEGORY_IDLE;
}
_recentsComparator(entryA, entryB) {
_recentsComparator(entryA, entryB, tsOfNewestEventFn) {
const roomA = entryA.room;
const roomB = entryB.room;
const categoryA = entryA.category;
@ -458,8 +462,8 @@ class RoomListStore extends Store {
return 0;
}
const timestampA = this._tsOfNewestEvent(roomA);
const timestampB = this._tsOfNewestEvent(roomB);
const timestampA = tsOfNewestEventFn(roomA);
const timestampB = tsOfNewestEventFn(roomB);
return timestampB - timestampA;
}