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Remove option to show non-member tiles to simplify code review

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This commit is contained in:
Hugh Nimmo-Smith
2024-11-13 10:14:12 +00:00
parent 83514212cd
commit 44935eeb40
6 changed files with 3 additions and 114 deletions
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73
src/state/CallViewModel.ts
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@@ -67,7 +67,7 @@ import {
} from "./MediaViewModel";
import { accumulate, finalizeValue } from "../utils/observable";
import { ObservableScope } from "./ObservableScope";
import { duplicateTiles, showNonMemberTiles } from "../settings/settings";
import { duplicateTiles } from "../settings/settings";
import { isFirefox } from "../Platform";
import { setPipEnabled } from "../controls";
import { GridTileViewModel, SpotlightTileViewModel } from "./TileViewModel";
@@ -439,7 +439,6 @@ export class CallViewModel extends ViewModel {
this.matrixRTCSession,
MatrixRTCSessionEvent.MembershipsChanged,
).pipe(startWith(null)),
showNonMemberTiles.value,
]).pipe(
scan(
(
@@ -449,7 +448,6 @@ export class CallViewModel extends ViewModel {
{ participant: localParticipant },
duplicateTiles,
_membershipsChanged,
showNonMemberTiles,
],
) => {
const newItems = new Map(
@@ -478,20 +476,12 @@ export class CallViewModel extends ViewModel {
}
for (let i = 0; i < 1 + duplicateTiles; i++) {
const indexedMediaId = `${mediaId}:${i}`;
let prevMedia = prevItems.get(indexedMediaId);
const prevMedia = prevItems.get(indexedMediaId);
if (prevMedia && prevMedia instanceof UserMedia) {
if (prevMedia.participant.value !== participant) {
// Update the BahviourSubject in the UserMedia.
prevMedia.participant.next(participant);
}
if (prevMedia.vm.member === undefined) {
// We have a previous media created because of the `debugShowNonMember` flag.
// In this case we actually replace the media item.
// This "hack" never occurs if we do not use the `debugShowNonMember` debugging
// option and if we always find a room member for each rtc member (which also
// only fails if we have a fundamental problem)
prevMedia = undefined;
}
}
yield [
indexedMediaId,
@@ -528,64 +518,7 @@ export class CallViewModel extends ViewModel {
}.bind(this)(),
);
// Generate non member items (items without a corresponding MatrixRTC member)
// Those items should not be rendered, they are participants in livekit that do not have a corresponding
// matrix rtc members. This cannot be any good:
// - A malicious user impersonates someone
// - Someone injects abusive content
// - The user cannot have encryption keys so it makes no sense to participate
// We can only trust users that have a matrixRTC member event.
//
// This is still available as a debug option. This can be useful
// - If one wants to test scalability using the livekit cli.
// - If an experimental project does not yet do the matrixRTC bits.
// - If someone wants to debug if the LK connection works but matrixRTC room state failed to arrive.
const debugShowNonMember = showNonMemberTiles; //Config.get().show_non_member_tiles;
const newNonMemberItems = debugShowNonMember
? new Map(
function* (this: CallViewModel): Iterable<[string, MediaItem]> {
for (const participant of remoteParticipants) {
for (let i = 0; i < 1 + duplicateTiles; i++) {
const maybeNonMemberParticipantId =
participant.identity + ":" + i;
if (!newItems.has(maybeNonMemberParticipantId)) {
const nonMemberId = maybeNonMemberParticipantId;
yield [
nonMemberId,
// We create UserMedia with or without a participant.
// This will be the initial value of a BehaviourSubject.
// Once a participant appears we will update the BehaviourSubject. (see above)
prevItems.get(nonMemberId) ??
new UserMedia(
nonMemberId,
undefined,
participant,
this.encryptionSystem,
this.livekitRoom,
false,
),
];
}
}
}
}.bind(this)(),
)
: new Map();
if (newNonMemberItems.size > 0) {
logger.debug("Added NonMember items: ", newNonMemberItems);
}
const newNonMemberItemCount =
newNonMemberItems.size / (1 + duplicateTiles);
if (this.nonMemberItemCount.value !== newNonMemberItemCount)
this.nonMemberItemCount.next(newNonMemberItemCount);
const combinedNew = new Map([
...newNonMemberItems.entries(),
...newItems.entries(),
]);
for (const [id, t] of prevItems) if (!combinedNew.has(id)) t.destroy();
return combinedNew;
return newItems;
},
new Map<string, MediaItem>(),
),