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Improve BackdropPanel performance by ignoring React

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This commit is contained in:
Dariusz Niemczyk
2021-08-13 18:12:02 +02:00
parent 5f9b55eaa9
commit 7f58a21aac
2 changed files with 47 additions and 33 deletions
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10
src/components/views/spaces/SpacePanel.tsx
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@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
import React, { ComponentProps, Dispatch, ReactNode, SetStateAction, useEffect, useState } from "react";
import React, { ComponentProps, Dispatch, ReactNode, SetStateAction, useEffect, useLayoutEffect, useRef, useState } from "react";
import { DragDropContext, Draggable, Droppable } from "react-beautiful-dnd";
import classNames from "classnames";
import { Room } from "matrix-js-sdk/src/models/room";
@@ -42,8 +42,8 @@ import IconizedContextMenu, {
IconizedContextMenuOptionList,
} from "../context_menus/IconizedContextMenu";
import SettingsStore from "../../../settings/SettingsStore";
import UIStore from "../../../stores/UIStore";
import { SettingLevel } from "../../../settings/SettingLevel";
import UIStore from "../../../stores/UIStore";
const useSpaces = (): [Room[], Room[], Room | null] => {
const invites = useEventEmitterState<Room[]>(SpaceStore.instance, UPDATE_INVITED_SPACES, () => {
@@ -207,6 +207,11 @@ const InnerSpacePanel = React.memo<IInnerSpacePanelProps>(({ children, isPanelCo
const SpacePanel = () => {
const [isPanelCollapsed, setPanelCollapsed] = useState(true);
const ref = useRef<HTMLUListElement>();
useLayoutEffect(() => {
UIStore.instance.trackElementDimensions("SpacePanel", ref.current);
return () => UIStore.instance.stopTrackingElementDimensions("SpacePanel");
}, []);
const onKeyDown = (ev: React.KeyboardEvent) => {
let handled = true;
@@ -281,6 +286,7 @@ const SpacePanel = () => {
onKeyDown={onKeyDownHandler}
role="tree"
aria-label={_t("Spaces")}
ref={ref}
>
<Droppable droppableId="top-level-spaces">
{ (provided, snapshot) => (