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Debounce range updates

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This commit is contained in:
Kegan Dougal 2021-12-10 12:06:14 +00:00
parent 639f4d673c
commit 9f0fec772e
1 changed files with 10 additions and 4 deletions
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14
src/matrix/Sync3.ts
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@ -137,6 +137,7 @@ export class Sync3 {
// sync v3 specific: contains the sliding window ranges to request as well as the data structures
// to remember the indexes for each room.
private ranges: number[][];
private debounceTimeoutId: any;
private roomIndexToRoomId: IndexToRoomId;
private roomIdToRoomIndex: RoomIdToIndex;
private totalRooms: number;
@ -169,6 +170,7 @@ export class Sync3 {
this.totalRooms = 0;
this.currentRoomSubscriptions = [];
this.nextRoomSubscriptions = [];
this.debounceTimeoutId = 0;
}
/**
@ -189,7 +191,7 @@ export class Sync3 {
* Load a new sliding window range for sync v3.
*
* This range should be the part of the room list the user is currently looking at. No index
* padding will be performed (e.g viewing 10-20 so request 5-25).
* padding will be performed (e.g viewing 10-20 so request 5-25). Debounces after a few milliseconds.
* @param start The start index (inclusive)
* @param end The end index (inclusive)
*/
@ -215,9 +217,13 @@ export class Sync3 {
}
this.ranges[1][0] = start;
this.ranges[1][1] = end;
console.log("new sync v3 ranges: ", JSON.stringify(this.ranges));
// interrupt the sync request to send up the new ranges
this.currentRequest?.abort();
console.log("update ranges");
clearTimeout(this.debounceTimeoutId);
this.debounceTimeoutId = setTimeout(() => {
console.log("new sync v3 ranges: ", JSON.stringify(this.ranges));
// interrupt the sync request to send up the new ranges
this.currentRequest?.abort();
}, 200);
}
// Start syncing. Probably call this at startup once you have an access_token.