mirrors/vector-im-hydrogen-web
1
0
Fork 0
mirror of https://github.com/vector-im/hydrogen-web.git synced 2025-01-22 18:21:39 +01:00
Code Issues Projects Releases Wiki Activity

don't look at tiles before the inserted tile, there is no need

Browse Source 
also clarify with comments how the current algorithm works
This commit is contained in:
Bruno Windels 2022-11-25 11:26:53 +01:00
parent d889c7deeb
commit 4abf18a5f1
2 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/domain/session/room/timeline/TilesCollection.js
View File

@ -152,9 +152,11 @@ export class TilesCollection extends BaseObservableList {
_evaluateDateHeaderAtIdx(tileIdx) {
//console.log("_evaluateDateHeaderAtIdx", tileIdx);
// consider the two adjacent tiles where the previous sibling changed:
// the new tile and the next tile
for (let i = -2; i < 3; i += 1) {
// consider two tiles after the inserted tile, because
// the first of the two tiles may be a DateTile in which case,
// we remove it after looking at the needsDateSeparator prop of the
// next next tile
for (let i = 0; i < 2; i += 1) {
const idx = tileIdx + i;
if (idx < 0) {
continue;
@ -173,10 +175,12 @@ export class TilesCollection extends BaseObservableList {
this.emitUpdate(idx - 1, prevTile, "date");
} else {
//console.log(" add", idx, tile.shape, tile.eventId);
// adding a tile shift all the indices we need to consider
// especially given we consider removals for the tile that
// comes after a datetile
tileIdx += 1;
this._addTileAt(idx, tile.createDateSeparator());
}
// TODO must be looking at the wrong index to find the old date separator??
} else if (hasDateSeparator) {
// this is never triggered because needsDateSeparator is not cleared
// when loading more items because we don't do anything once the

3
src/domain/session/room/timeline/tiles/DateTile.ts
View File

@ -119,6 +119,9 @@ export class DateTile extends ViewModel implements ITile<BaseEventEntry> {
// let item know it has a new sibling
updatePreviousSibling(prev: ITile<BaseEntry> | undefined): void {
// forward the sibling update to our next tile, so it is informed
// about it's previous sibling beyond the date header (which is it's direct previous sibling)
// so it can recalculate whether it still needs a date header
this._firstTileInDay.updatePreviousSibling(prev);
}