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add some comments and rename for clarity

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This commit is contained in:
Bruno Windels 2021-11-05 15:42:07 +01:00
parent a4cd40c2f8
commit 781147bf0e
1 changed files with 10 additions and 5 deletions
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15
src/domain/session/room/timeline/tiles/GapTile.js
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@ -49,13 +49,15 @@ export class GapTile extends SimpleTile {
}
async notifyVisible() {
// we do (up to 10) backfills while no new tiles have been added to the timeline
// because notifyVisible won't be called again until something gets added to the timeline
let depth = 0;
let result;
do {
result = await this.fill();
depth = depth + 1;
} while (depth < 10 && !this._siblingChanged && result && !this.isDisposed)
let canFillMore;
this._siblingChanged = false;
do {
canFillMore = await this.fill();
depth = depth + 1;
} while (depth < 10 && !this._siblingChanged && canFillMore && !this.isDisposed);
}
get isAtTop() {
@ -73,6 +75,9 @@ export class GapTile extends SimpleTile {
}
updateNextSibling() {
// if the sibling of the gap changed while calling room.fill(),
// we intepret this as at least one new tile has been added to
// the timeline. See notifyVisible why this is important.
this._siblingChanged = true;
}