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https://github.com/vector-im/element-web.git
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Merge pull request #5047 from matrix-org/travis/perf3
Reward users for using stable ordering in their room list
This commit is contained in:
Travis Ralston
GitHub
commit
57a5b47aa4
@ -42,6 +42,8 @@ import { ViewRoomDeltaPayload } from "../../../dispatcher/payloads/ViewRoomDelta
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import { RoomNotificationStateStore } from "../../../stores/notifications/RoomNotificationStateStore";
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import SettingsStore from "../../../settings/SettingsStore";
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import CustomRoomTagStore from "../../../stores/CustomRoomTagStore";
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import { arrayFastClone, arrayHasDiff } from "../../../utils/arrays";
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import { objectShallowClone } from "../../../utils/objects";
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interface IProps {
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onKeyDown: (ev: React.KeyboardEvent) => void;
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@ -80,7 +82,7 @@ interface ITagAesthetics {
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sectionLabel: string;
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sectionLabelRaw?: string;
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addRoomLabel?: string;
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onAddRoom?: (dispatcher: Dispatcher<ActionPayload>) => void;
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onAddRoom?: (dispatcher?: Dispatcher<ActionPayload>) => void;
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isInvite: boolean;
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defaultHidden: boolean;
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}
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@ -104,14 +106,18 @@ const TAG_AESTHETICS: {
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isInvite: false,
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defaultHidden: false,
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addRoomLabel: _td("Start chat"),
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onAddRoom: (dispatcher: Dispatcher<ActionPayload>) => dispatcher.dispatch({action: 'view_create_chat'}),
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onAddRoom: (dispatcher?: Dispatcher<ActionPayload>) => {
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(dispatcher || defaultDispatcher).dispatch({action: 'view_create_chat'});
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},
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},
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[DefaultTagID.Untagged]: {
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sectionLabel: _td("Rooms"),
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isInvite: false,
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defaultHidden: false,
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addRoomLabel: _td("Create room"),
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onAddRoom: (dispatcher: Dispatcher<ActionPayload>) => dispatcher.dispatch({action: 'view_create_room'}),
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onAddRoom: (dispatcher?: Dispatcher<ActionPayload>) => {
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(dispatcher || defaultDispatcher).dispatch({action: 'view_create_room'})
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},
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},
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[DefaultTagID.LowPriority]: {
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sectionLabel: _td("Low priority"),
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@ -231,9 +237,33 @@ export default class RoomList extends React.Component<IProps, IState> {
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console.log("new lists", newLists);
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}
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this.setState({sublists: newLists}, () => {
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this.props.onResize();
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});
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const previousListIds = Object.keys(this.state.sublists);
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const newListIds = Object.keys(newLists);
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let doUpdate = arrayHasDiff(previousListIds, newListIds);
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if (!doUpdate) {
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// so we didn't have the visible sublists change, but did the contents of those
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// sublists change significantly enough to break the sticky headers? Probably, so
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// let's check the length of each.
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for (const tagId of newListIds) {
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const oldRooms = this.state.sublists[tagId];
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const newRooms = newLists[tagId];
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if (oldRooms.length !== newRooms.length) {
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doUpdate = true;
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break;
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}
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}
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}
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if (doUpdate) {
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// We have to break our reference to the room list store if we want to be able to
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// diff the object for changes, so do that.
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const sublists = objectShallowClone(newLists, (k, v) => arrayFastClone(v));
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this.setState({sublists}, () => {
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this.props.onResize();
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});
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}
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};
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private renderCommunityInvites(): React.ReactElement[] {
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@ -298,16 +328,14 @@ export default class RoomList extends React.Component<IProps, IState> {
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: TAG_AESTHETICS[orderedTagId];
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if (!aesthetics) throw new Error(`Tag ${orderedTagId} does not have aesthetics`);
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const onAddRoomFn = aesthetics.onAddRoom ? () => aesthetics.onAddRoom(dis) : null;
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components.push(
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<RoomSublist
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key={`sublist-${orderedTagId}`}
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tagId={orderedTagId}
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forRooms={true}
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rooms={orderedRooms}
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startAsHidden={aesthetics.defaultHidden}
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label={aesthetics.sectionLabelRaw ? aesthetics.sectionLabelRaw : _t(aesthetics.sectionLabel)}
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onAddRoom={onAddRoomFn}
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onAddRoom={aesthetics.onAddRoom}
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addRoomLabel={aesthetics.addRoomLabel ? _t(aesthetics.addRoomLabel) : aesthetics.addRoomLabel}
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isMinimized={this.props.isMinimized}
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onResize={this.props.onResize}
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@ -32,7 +32,7 @@ import {
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StyledMenuItemCheckbox,
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StyledMenuItemRadio,
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} from "../../structures/ContextMenu";
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import RoomListStore from "../../../stores/room-list/RoomListStore";
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import RoomListStore, { LISTS_UPDATE_EVENT } from "../../../stores/room-list/RoomListStore";
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import { ListAlgorithm, SortAlgorithm } from "../../../stores/room-list/algorithms/models";
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import { DefaultTagID, TagID } from "../../../stores/room-list/models";
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import dis from "../../../dispatcher/dispatcher";
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@ -47,6 +47,8 @@ import { Direction } from "re-resizable/lib/resizer";
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import { polyfillTouchEvent } from "../../../@types/polyfill";
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import { RoomNotificationStateStore } from "../../../stores/notifications/RoomNotificationStateStore";
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import RoomListLayoutStore from "../../../stores/room-list/RoomListLayoutStore";
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import { arrayHasOrderChange } from "../../../utils/arrays";
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import { objectExcluding, objectHasValueChange } from "../../../utils/objects";
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const SHOW_N_BUTTON_HEIGHT = 28; // As defined by CSS
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const RESIZE_HANDLE_HEIGHT = 4; // As defined by CSS
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@ -59,7 +61,6 @@ polyfillTouchEvent();
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interface IProps {
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forRooms: boolean;
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rooms?: Room[];
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startAsHidden: boolean;
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label: string;
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onAddRoom?: () => void;
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@ -90,6 +91,7 @@ interface IState {
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isResizing: boolean;
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isExpanded: boolean; // used for the for expand of the sublist when the room list is being filtered
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height: number;
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rooms: Room[];
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}
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export default class RoomSublist extends React.Component<IProps, IState> {
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@ -104,16 +106,19 @@ export default class RoomSublist extends React.Component<IProps, IState> {
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this.layout = RoomListLayoutStore.instance.getLayoutFor(this.props.tagId);
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this.heightAtStart = 0;
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const height = this.calculateInitialHeight();
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this.state = {
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notificationState: RoomNotificationStateStore.instance.getListState(this.props.tagId),
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contextMenuPosition: null,
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isResizing: false,
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isExpanded: this.props.isFiltered ? this.props.isFiltered : !this.layout.isCollapsed,
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height,
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height: 0, // to be fixed in a moment, we need `rooms` to calculate this.
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rooms: RoomListStore.instance.orderedLists[this.props.tagId] || [],
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};
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this.state.notificationState.setRooms(this.props.rooms);
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// Why Object.assign() and not this.state.height? Because TypeScript says no.
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this.state = Object.assign(this.state, {height: this.calculateInitialHeight()});
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this.state.notificationState.setRooms(this.state.rooms);
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this.dispatcherRef = defaultDispatcher.register(this.onAction);
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RoomListStore.instance.on(LISTS_UPDATE_EVENT, this.onListsUpdated);
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}
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private calculateInitialHeight() {
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@ -142,11 +147,11 @@ export default class RoomSublist extends React.Component<IProps, IState> {
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}
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private get numTiles(): number {
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return RoomSublist.calcNumTiles(this.props);
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return RoomSublist.calcNumTiles(this.state.rooms, this.props.extraBadTilesThatShouldntExist);
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}
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private static calcNumTiles(props) {
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return (props.rooms || []).length + (props.extraBadTilesThatShouldntExist || []).length;
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private static calcNumTiles(rooms: Room[], extraTiles: any[]) {
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return (rooms || []).length + (extraTiles || []).length;
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}
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private get numVisibleTiles(): number {
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@ -154,8 +159,8 @@ export default class RoomSublist extends React.Component<IProps, IState> {
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return Math.min(nVisible, this.numTiles);
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}
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public componentDidUpdate(prevProps: Readonly<IProps>) {
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this.state.notificationState.setRooms(this.props.rooms);
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public componentDidUpdate(prevProps: Readonly<IProps>, prevState: Readonly<IState>) {
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this.state.notificationState.setRooms(this.state.rooms);
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if (prevProps.isFiltered !== this.props.isFiltered) {
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if (this.props.isFiltered) {
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this.setState({isExpanded: true});
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@ -165,22 +170,87 @@ export default class RoomSublist extends React.Component<IProps, IState> {
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}
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// as the rooms can come in one by one we need to reevaluate
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// the amount of available rooms to cap the amount of requested visible rooms by the layout
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if (RoomSublist.calcNumTiles(prevProps) !== this.numTiles) {
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if (RoomSublist.calcNumTiles(prevState.rooms, prevProps.extraBadTilesThatShouldntExist) !== this.numTiles) {
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this.setState({height: this.calculateInitialHeight()});
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}
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}
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public shouldComponentUpdate(nextProps: Readonly<IProps>, nextState: Readonly<IState>): boolean {
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if (objectHasValueChange(this.props, nextProps)) {
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// Something we don't care to optimize has updated, so update.
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return true;
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}
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// Do the same check used on props for state, without the rooms we're going to no-op
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const prevStateNoRooms = objectExcluding(this.state, ['rooms']);
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const nextStateNoRooms = objectExcluding(nextState, ['rooms']);
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if (objectHasValueChange(prevStateNoRooms, nextStateNoRooms)) {
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return true;
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}
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// If we're supposed to handle extra tiles, take the performance hit and re-render all the
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// time so we don't have to consider them as part of the visible room optimization.
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const prevExtraTiles = this.props.extraBadTilesThatShouldntExist || [];
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const nextExtraTiles = nextProps.extraBadTilesThatShouldntExist || [];
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if (prevExtraTiles.length > 0 || nextExtraTiles.length > 0) {
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return true;
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}
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// If we're about to update the height of the list, we don't really care about which rooms
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// are visible or not for no-op purposes, so ensure that the height calculation runs through.
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if (RoomSublist.calcNumTiles(nextState.rooms, nextProps.extraBadTilesThatShouldntExist) !== this.numTiles) {
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return true;
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}
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// Before we go analyzing the rooms, we can see if we're collapsed. If we're collapsed, we don't need
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// to render anything. We do this after the height check though to ensure that the height gets appropriately
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// calculated for when/if we become uncollapsed.
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if (!nextState.isExpanded) {
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return false;
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}
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// Quickly double check we're not about to break something due to the number of rooms changing.
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if (this.state.rooms.length !== nextState.rooms.length) {
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return true;
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}
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// Finally, determine if the room update (as presumably that's all that's left) is within
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// our visible range. If it is, then do a render. If the update is outside our visible range
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// then we can skip the update.
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//
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// We also optimize for order changing here: if the update did happen in our visible range
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// but doesn't result in the list re-sorting itself then there's no reason for us to update
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// on our own.
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const prevSlicedRooms = this.state.rooms.slice(0, this.numVisibleTiles);
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const nextSlicedRooms = nextState.rooms.slice(0, this.numVisibleTiles);
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if (arrayHasOrderChange(prevSlicedRooms, nextSlicedRooms)) {
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return true;
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}
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// Finally, nothing happened so no-op the update
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return false;
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}
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public componentWillUnmount() {
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this.state.notificationState.destroy();
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defaultDispatcher.unregister(this.dispatcherRef);
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RoomListStore.instance.off(LISTS_UPDATE_EVENT, this.onListsUpdated);
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}
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private onListsUpdated = () => {
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const currentRooms = this.state.rooms;
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const newRooms = RoomListStore.instance.orderedLists[this.props.tagId] || [];
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if (arrayHasOrderChange(currentRooms, newRooms)) {
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this.setState({rooms: newRooms});
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}
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};
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private onAction = (payload: ActionPayload) => {
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if (payload.action === "view_room" && payload.show_room_tile && this.props.rooms) {
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if (payload.action === "view_room" && payload.show_room_tile && this.state.rooms) {
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// XXX: we have to do this a tick later because we have incorrect intermediate props during a room change
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// where we lose the room we are changing from temporarily and then it comes back in an update right after.
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setImmediate(() => {
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const roomIndex = this.props.rooms.findIndex((r) => r.roomId === payload.room_id);
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const roomIndex = this.state.rooms.findIndex((r) => r.roomId === payload.room_id);
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if (!this.state.isExpanded && roomIndex > -1) {
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this.toggleCollapsed();
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@ -302,10 +372,10 @@ export default class RoomSublist extends React.Component<IProps, IState> {
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let room;
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if (this.props.tagId === DefaultTagID.Invite) {
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// switch to first room as that'll be the top of the list for the user
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room = this.props.rooms && this.props.rooms[0];
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room = this.state.rooms && this.state.rooms[0];
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} else {
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// find the first room with a count of the same colour as the badge count
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room = this.props.rooms.find((r: Room) => {
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room = this.state.rooms.find((r: Room) => {
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const notifState = this.state.notificationState.getForRoom(r);
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return notifState.count > 0 && notifState.color === this.state.notificationState.color;
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});
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@ -399,8 +469,8 @@ export default class RoomSublist extends React.Component<IProps, IState> {
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const tiles: React.ReactElement[] = [];
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if (this.props.rooms) {
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const visibleRooms = this.props.rooms.slice(0, this.numVisibleTiles);
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if (this.state.rooms) {
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const visibleRooms = this.state.rooms.slice(0, this.numVisibleTiles);
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for (const room of visibleRooms) {
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tiles.push(
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<RoomTile
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@ -35,7 +35,7 @@ import {
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MenuItem,
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} from "../../structures/ContextMenu";
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import { DefaultTagID, TagID } from "../../../stores/room-list/models";
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import { MessagePreviewStore } from "../../../stores/room-list/MessagePreviewStore";
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import { MessagePreviewStore, ROOM_PREVIEW_CHANGED } from "../../../stores/room-list/MessagePreviewStore";
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import DecoratedRoomAvatar from "../avatars/DecoratedRoomAvatar";
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import {
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getRoomNotifsState,
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@ -128,6 +128,7 @@ export default class RoomTile extends React.Component<IProps, IState> {
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ActiveRoomObserver.addListener(this.props.room.roomId, this.onActiveRoomUpdate);
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this.dispatcherRef = defaultDispatcher.register(this.onAction);
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MessagePreviewStore.instance.on(ROOM_PREVIEW_CHANGED, this.onRoomPreviewChanged);
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}
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private get showContextMenu(): boolean {
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@ -150,6 +151,7 @@ export default class RoomTile extends React.Component<IProps, IState> {
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ActiveRoomObserver.removeListener(this.props.room.roomId, this.onActiveRoomUpdate);
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}
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defaultDispatcher.unregister(this.dispatcherRef);
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MessagePreviewStore.instance.off(ROOM_PREVIEW_CHANGED, this.onRoomPreviewChanged);
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}
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private onAction = (payload: ActionPayload) => {
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@ -160,6 +162,12 @@ export default class RoomTile extends React.Component<IProps, IState> {
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}
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};
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private onRoomPreviewChanged = (room: Room) => {
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if (this.props.room && room.roomId === this.props.room.roomId) {
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this.forceUpdate(); // we don't have any state to set, so just complain that we need an update
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}
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};
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private scrollIntoView = () => {
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if (!this.roomTileRef.current) return;
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this.roomTileRef.current.scrollIntoView({
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@ -28,6 +28,10 @@ import { StickerEventPreview } from "./previews/StickerEventPreview";
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import { ReactionEventPreview } from "./previews/ReactionEventPreview";
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import { UPDATE_EVENT } from "../AsyncStore";
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// Emitted event for when a room's preview has changed. First argument will the room for which
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// the change happened.
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export const ROOM_PREVIEW_CHANGED = "room_preview_changed";
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const PREVIEWS = {
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'm.room.message': {
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isState: false,
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@ -146,6 +150,7 @@ export class MessagePreviewStore extends AsyncStoreWithClient<IState> {
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// We've muted the underlying Map, so just emit that we've changed.
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this.previews.set(room.roomId, map);
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this.emit(UPDATE_EVENT, this);
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this.emit(ROOM_PREVIEW_CHANGED, room);
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}
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return; // we're done
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}
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@ -153,6 +158,7 @@ export class MessagePreviewStore extends AsyncStoreWithClient<IState> {
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// At this point, we didn't generate a preview so clear it
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this.previews.set(room.roomId, new Map<TagID|TAG_ANY, string|null>());
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this.emit(UPDATE_EVENT, this);
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this.emit(ROOM_PREVIEW_CHANGED, room);
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}
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protected async onAction(payload: ActionPayload) {
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@ -14,11 +14,38 @@ See the License for the specific language governing permissions and
|
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limitations under the License.
|
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*/
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/**
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* Clones an array as fast as possible, retaining references of the array's values.
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* @param a The array to clone. Must be defined.
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* @returns A copy of the array.
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*/
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export function arrayFastClone(a: any[]): any[] {
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return a.slice(0, a.length);
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}
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/**
|
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* Determines if the two arrays are different either in length, contents,
|
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* or order of those contents.
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* @param a The first array. Must be defined.
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* @param b The second array. Must be defined.
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* @returns True if they are different, false otherwise.
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*/
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export function arrayHasOrderChange(a: any[], b: any[]): boolean {
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if (a.length === b.length) {
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for (let i = 0; i < a.length; i++) {
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if (a[i] !== b[i]) return true;
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}
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return false;
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} else {
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return true; // like arrayHasDiff, a difference in length is a natural change
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||||
}
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||||
}
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||||
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||||
/**
|
||||
* Determines if two arrays are different through a shallow comparison.
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* @param a The first array. Must be defined.
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||||
* @param b The second array. Must be defined.
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* @returns True if they are the same, false otherwise.
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* @returns True if they are different, false otherwise.
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*/
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export function arrayHasDiff(a: any[], b: any[]): boolean {
|
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if (a.length === b.length) {
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||||
|
||||
@ -14,7 +14,63 @@ See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
import { arrayDiff, arrayMerge, arrayUnion } from "./arrays";
|
||||
import { arrayDiff, arrayHasDiff, arrayMerge, arrayUnion } from "./arrays";
|
||||
|
||||
/**
|
||||
* Gets a new object which represents the provided object, excluding some properties.
|
||||
* @param a The object to strip properties of. Must be defined.
|
||||
* @param props The property names to remove.
|
||||
* @returns The new object without the provided properties.
|
||||
*/
|
||||
export function objectExcluding(a: any, props: string[]): any {
|
||||
// We use a Map to avoid hammering the `delete` keyword, which is slow and painful.
|
||||
const tempMap = new Map<string, any>(Object.entries(a));
|
||||
for (const prop of props) {
|
||||
tempMap.delete(prop);
|
||||
}
|
||||
|
||||
// Convert the map to an object again
|
||||
return Array.from(tempMap.entries()).reduce((c, [k, v]) => {
|
||||
c[k] = v;
|
||||
return c;
|
||||
}, {});
|
||||
}
|
||||
|
||||
/**
|
||||
* Clones an object to a caller-controlled depth. When a propertyCloner is supplied, the
|
||||
* object's properties will be passed through it with the return value used as the new
|
||||
* object's type. This is intended to be used to deep clone a reference, but without
|
||||
* having to deep clone the entire object. This function is safe to call recursively within
|
||||
* the propertyCloner.
|
||||
* @param a The object to clone. Must be defined.
|
||||
* @param propertyCloner The function to clone the properties of the object with, optionally.
|
||||
* First argument is the property key with the second being the current value.
|
||||
* @returns A cloned object.
|
||||
*/
|
||||
export function objectShallowClone(a: any, propertyCloner?: (k: string, v: any) => any): any {
|
||||
const newObj = {};
|
||||
for (const [k, v] of Object.entries(a)) {
|
||||
newObj[k] = v;
|
||||
if (propertyCloner) {
|
||||
newObj[k] = propertyCloner(k, v);
|
||||
}
|
||||
}
|
||||
return newObj;
|
||||
}
|
||||
|
||||
/**
|
||||
* Determines if the two objects, which are assumed to be of the same
|
||||
* key shape, have a difference in their values. If a difference is
|
||||
* determined, true is returned.
|
||||
* @param a The first object. Must be defined.
|
||||
* @param b The second object. Must be defined.
|
||||
* @returns True if there's a perceptual difference in the object's values.
|
||||
*/
|
||||
export function objectHasValueChange(a: any, b: any): boolean {
|
||||
const aValues = Object.values(a);
|
||||
const bValues = Object.values(b);
|
||||
return arrayHasDiff(aValues, bValues);
|
||||
}
|
||||
|
||||
/**
|
||||
* Determines the keys added, changed, and removed between two objects.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user