mirror of
https://github.com/element-hq/element-web
synced 2024-10-25 12:16:00 +03:00
49 lines
2.1 KiB
JavaScript
49 lines
2.1 KiB
JavaScript
|
/*
|
||
|
|
Copyright 2017 Michael Telatynski <7t3chguy@gmail.com>
|
||
|
|
|
||
|
|
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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
function _isLeaveOrJoin(ev) {
|
||
|
|
const isMemberEvent = ev.getType() === 'm.room.member' && ev.getStateKey() !== undefined;
|
||
|
|
if (!isMemberEvent) {
|
||
|
|
return false; // bail early: all the checks below concern member events only
|
||
|
|
}
|
||
|
|
|
||
|
|
// TODO: These checks are done to make sure we're dealing with membership transitions not avatar changes / dupe joins
|
||
|
|
// These checks are also being done in TextForEvent and should really reside in the JS SDK as a helper function
|
||
|
|
const membership = ev.getContent().membership;
|
||
|
|
const prevMembership = ev.getPrevContent().membership;
|
||
|
|
if (membership === prevMembership && membership === 'join') {
|
||
|
|
// join -> join : This happens when display names change / avatars are set / genuine dupe joins with no changes.
|
||
|
|
// Find out which we're dealing with.
|
||
|
|
if (ev.getPrevContent().displayname !== ev.getContent().displayname) {
|
||
|
|
return false; // display name changed
|
||
|
|
}
|
||
|
|
if (ev.getPrevContent().avatar_url !== ev.getContent().avatar_url) {
|
||
|
|
return false; // avatar url changed
|
||
|
|
}
|
||
|
|
// dupe join event, fall through to hide rules
|
||
|
|
}
|
||
|
|
|
||
|
|
// this only applies to joins/leaves not invites/kicks/bans
|
||
|
|
return membership === 'join' || (membership === 'leave' && ev.getStateKey() === ev.getSender());
|
||
|
|
}
|
||
|
|
|
||
|
|
export default function(ev, syncedSettings) {
|
||
|
|
// Hide redacted events
|
||
|
|
if (syncedSettings['hideRedactions'] && ev.isRedacted()) return true;
|
||
|
|
if (syncedSettings['hideJoinLeaves'] && _isLeaveOrJoin(ev)) return true;
|
||
|
|
return false;
|
||
|
|
}
|