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Absorb the matrix-react-sdk repository (#28192)

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This commit is contained in:
Michael Telatynski
2024-10-16 13:31:55 +01:00
committed by GitHub
parent 2b99496025
commit c05c429803
3280 changed files with 586617 additions and 905 deletions
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48
src/stores/RoomScrollStateStore.ts Normal file
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/*
Copyright 2017-2024 New Vector Ltd.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
export interface ScrollState {
focussedEvent?: string;
pixelOffset?: number;
}
/**
* Stores where the user has scrolled to in each room
*/
export class RoomScrollStateStore {
// A map from room id to scroll state.
//
// If there is no special scroll state (ie, we are following the live
// timeline), the scroll state is null. Otherwise, it is an object with
// the following properties:
//
// focussedEvent: the ID of the 'focussed' event. Typically this is
// the last event fully visible in the viewport, though if we
// have done an explicit scroll to an explicit event, it will be
// that event.
//
// pixelOffset: the number of pixels the window is scrolled down
// from the focussedEvent.
private scrollStateMap = new Map<string, ScrollState>();
public getScrollState(roomId: string): ScrollState | undefined {
return this.scrollStateMap.get(roomId);
}
public setScrollState(roomId: string, scrollState: ScrollState | null): void {
if (scrollState === null) {
this.scrollStateMap.delete(roomId);
} else {
this.scrollStateMap.set(roomId, scrollState);
}
}
}
if (window.mxRoomScrollStateStore === undefined) {
window.mxRoomScrollStateStore = new RoomScrollStateStore();
}
export default window.mxRoomScrollStateStore!;