80 lines
3.0 KiB
TypeScript
80 lines
3.0 KiB
TypeScript
/*
|
|
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.
|
|
*/
|
|
|
|
import { MatrixEvent } from "matrix-js-sdk/src/models/event";
|
|
|
|
import SettingsStore from "./settings/SettingsStore";
|
|
import { IState } from "./components/structures/RoomView";
|
|
|
|
interface IDiff {
|
|
isMemberEvent: boolean;
|
|
isJoin?: boolean;
|
|
isPart?: boolean;
|
|
isDisplaynameChange?: boolean;
|
|
isAvatarChange?: boolean;
|
|
}
|
|
|
|
function memberEventDiff(ev: MatrixEvent): IDiff {
|
|
const diff: IDiff = {
|
|
isMemberEvent: ev.getType() === 'm.room.member',
|
|
};
|
|
|
|
// If is not a Member Event then the other checks do not apply, so bail early.
|
|
if (!diff.isMemberEvent) return diff;
|
|
|
|
const content = ev.getContent();
|
|
const prevContent = ev.getPrevContent();
|
|
|
|
const isMembershipChanged = content.membership !== prevContent.membership;
|
|
diff.isJoin = isMembershipChanged && content.membership === 'join';
|
|
diff.isPart = isMembershipChanged && content.membership === 'leave' && ev.getStateKey() === ev.getSender();
|
|
|
|
const isJoinToJoin = !isMembershipChanged && content.membership === 'join';
|
|
diff.isDisplaynameChange = isJoinToJoin && content.displayname !== prevContent.displayname;
|
|
diff.isAvatarChange = isJoinToJoin && content.avatar_url !== prevContent.avatar_url;
|
|
return diff;
|
|
}
|
|
|
|
/**
|
|
* Determines whether the given event should be hidden from timelines.
|
|
* @param ev The event
|
|
* @param ctx An optional RoomContext to pull cached settings values from to avoid
|
|
* hitting the settings store
|
|
*/
|
|
export default function shouldHideEvent(ev: MatrixEvent, ctx?: IState): boolean {
|
|
// Accessing the settings store directly can be expensive if done frequently,
|
|
// so we should prefer using cached values if a RoomContext is available
|
|
const isEnabled = ctx ?
|
|
name => ctx[name] :
|
|
name => SettingsStore.getValue(name, ev.getRoomId());
|
|
|
|
// Hide redacted events
|
|
if (ev.isRedacted() && !isEnabled('showRedactions')) return true;
|
|
|
|
// Hide replacement events since they update the original tile (if enabled)
|
|
if (ev.isRelation("m.replace")) return true;
|
|
|
|
const eventDiff = memberEventDiff(ev);
|
|
|
|
if (eventDiff.isMemberEvent) {
|
|
if ((eventDiff.isJoin || eventDiff.isPart) && !isEnabled('showJoinLeaves')) return true;
|
|
if (eventDiff.isAvatarChange && !isEnabled('showAvatarChanges')) return true;
|
|
if (eventDiff.isDisplaynameChange && !isEnabled('showDisplaynameChanges')) return true;
|
|
}
|
|
|
|
return false;
|
|
}
|