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