signal-desktop/ts/state/ducks/callingHelpers.ts
2024-05-17 15:02:07 -07:00

57 lines
1.8 KiB
TypeScript

// Copyright 2023 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
// Note that this file should not important any binary addons or Node.js modules
// because it can be imported by storybook
import {
CallMode,
CallState,
GroupCallConnectionState,
} from '../../types/Calling';
import type { AciString } from '../../types/ServiceId';
import { missingCaseError } from '../../util/missingCaseError';
import type {
DirectCallStateType,
CallsByConversationType,
GroupCallPeekInfoType,
GroupCallStateType,
} from './calling';
// In theory, there could be multiple incoming calls, or an incoming call while there's
// an active call. In practice, the UI is not ready for this, and RingRTC doesn't
// support it for direct calls.
export const getIncomingCall = (
callsByConversation: Readonly<CallsByConversationType>,
ourAci: AciString
): undefined | DirectCallStateType | GroupCallStateType =>
Object.values(callsByConversation).find(call => {
switch (call.callMode) {
case CallMode.Direct:
return call.isIncoming && call.callState === CallState.Ringing;
case CallMode.Group:
return (
call.ringerAci &&
call.connectionState === GroupCallConnectionState.NotConnected &&
isAnybodyElseInGroupCall(call.peekInfo, ourAci)
);
case CallMode.Adhoc:
// Adhoc calls cannot be incoming.
return;
default:
throw missingCaseError(call);
}
});
export const isAnybodyElseInGroupCall = (
peekInfo: undefined | Readonly<Pick<GroupCallPeekInfoType, 'acis'>>,
ourAci: AciString
): boolean => Boolean(peekInfo?.acis.some(id => id !== ourAci));
export const isAnybodyInGroupCall = (
peekInfo: undefined | Readonly<Pick<GroupCallPeekInfoType, 'acis'>>
): boolean => {
if (!peekInfo?.acis) {
return false;
}
return peekInfo.acis.length > 0;
};