extract RetainedValue from MemberList

This commit is contained in:
Bruno Windels 2021-05-07 13:06:00 +02:00
parent 030b6837ef
commit 36f54420cf
2 changed files with 36 additions and 14 deletions

View File

@ -15,15 +15,15 @@ limitations under the License.
*/
import {ObservableMap} from "../../../observable/map/ObservableMap.js";
import {RetainedValue} from "../../../utils/RetainedValue.js";
export class MemberList {
export class MemberList extends RetainedValue {
constructor({members, closeCallback}) {
super(closeCallback);
this._members = new ObservableMap();
for (const member of members) {
this._members.add(member.userId, member);
}
this._closeCallback = closeCallback;
this._retentionCount = 1;
}
afterSync(memberChanges) {
@ -35,15 +35,4 @@ export class MemberList {
get members() {
return this._members;
}
retain() {
this._retentionCount += 1;
}
release() {
this._retentionCount -= 1;
if (this._retentionCount === 0) {
this._closeCallback();
}
}
}

View File

@ -0,0 +1,33 @@
/*
Copyright 2021 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
export class RetainedValue {
constructor(freeCallback) {
this._freeCallback = freeCallback;
this._retentionCount = 1;
}
retain() {
this._retentionCount += 1;
}
release() {
this._retentionCount -= 1;
if (this._retentionCount === 0) {
this._freeCallback();
}
}
}