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Merge pull request #5078 from matrix-org/travis/room-list/sticky-favourite

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Handle tag changes in sticky room updates
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J. Ryan Stinnett 2020-08-03 12:05:06 +01:00 committed by GitHub
commit 05a30b8eab
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1 changed files with 12 additions and 1 deletions
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13
src/stores/room-list/algorithms/Algorithm.ts
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@ -212,7 +212,18 @@ export class Algorithm extends EventEmitter {
// We specifically do NOT use the ordered rooms set as it contains the sticky room, which
// means we'll be off by 1 when the user is switching rooms. This leads to visual jumping
// when the user is moving south in the list (not north, because of math).
let position = this.getOrderedRoomsWithoutSticky()[tag].indexOf(val);
const tagList = this.getOrderedRoomsWithoutSticky()[tag] || []; // can be null if filtering
let position = tagList.indexOf(val);
// We do want to see if a tag change happened though - if this did happen then we'll want
// to force the position to zero (top) to ensure we can properly handle it.
const wasSticky = this._lastStickyRoom.room ? this._lastStickyRoom.room.roomId === val.roomId : false;
if (this._lastStickyRoom.tag && tag !== this._lastStickyRoom.tag && wasSticky && position < 0) {
console.warn(`Sticky room ${val.roomId} changed tags during sticky room handling`);
position = 0;
}
// Sanity check the position to make sure the room is qualified for being sticky
if (position < 0) throw new Error(`${val.roomId} does not appear to be known and cannot be sticky`);
// 🐉 Here be dragons.