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49 lines
2.1 KiB
JavaScript
49 lines
2.1 KiB
JavaScript
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/*
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Copyright 2017 Michael Telatynski <7t3chguy@gmail.com>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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function _isLeaveOrJoin(ev) {
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const isMemberEvent = ev.getType() === 'm.room.member' && ev.getStateKey() !== undefined;
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if (!isMemberEvent) {
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return false; // bail early: all the checks below concern member events only
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}
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// TODO: These checks are done to make sure we're dealing with membership transitions not avatar changes / dupe joins
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// These checks are also being done in TextForEvent and should really reside in the JS SDK as a helper function
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const membership = ev.getContent().membership;
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const prevMembership = ev.getPrevContent().membership;
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if (membership === prevMembership && membership === 'join') {
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// join -> join : This happens when display names change / avatars are set / genuine dupe joins with no changes.
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// Find out which we're dealing with.
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if (ev.getPrevContent().displayname !== ev.getContent().displayname) {
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return false; // display name changed
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}
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if (ev.getPrevContent().avatar_url !== ev.getContent().avatar_url) {
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return false; // avatar url changed
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}
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// dupe join event, fall through to hide rules
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}
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// this only applies to joins/leaves not invites/kicks/bans
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return membership === 'join' || (membership === 'leave' && ev.getStateKey() === ev.getSender());
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}
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export default function(ev, syncedSettings) {
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// Hide redacted events
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if (syncedSettings['hideRedactions'] && ev.isRedacted()) return true;
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if (syncedSettings['hideJoinLeaves'] && _isLeaveOrJoin(ev)) return true;
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return false;
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}
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