51 lines
1.6 KiB
TypeScript
51 lines
1.6 KiB
TypeScript
// Copyright 2020 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { createSelector } from 'reselect';
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import { StateType } from '../reducer';
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import {
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CallingStateType,
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CallsByConversationType,
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DirectCallStateType,
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getActiveCall,
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} from '../ducks/calling';
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import { CallMode, CallState } from '../../types/Calling';
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import { getOwn } from '../../util/getOwn';
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const getCalling = (state: StateType): CallingStateType => state.calling;
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export const isInCall = createSelector(
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getCalling,
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(state: CallingStateType): boolean => Boolean(getActiveCall(state))
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);
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export const getCallsByConversation = createSelector(
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getCalling,
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(state: CallingStateType): CallsByConversationType =>
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state.callsByConversation
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);
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export const getCallSelector = createSelector(
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getCallsByConversation,
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(callsByConversation: CallsByConversationType) => (conversationId: string) =>
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getOwn(callsByConversation, conversationId)
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);
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// In theory, there could be multiple incoming calls. In practice, neither RingRTC nor the
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// UI are ready to handle this.
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export const getIncomingCall = createSelector(
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getCallsByConversation,
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(
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callsByConversation: CallsByConversationType
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): undefined | DirectCallStateType => {
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const result = Object.values(callsByConversation).find(
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call =>
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call.callMode === CallMode.Direct &&
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call.isIncoming &&
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call.callState === CallState.Ringing
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);
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// TypeScript needs a little help to be sure that this is a direct call.
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return result?.callMode === CallMode.Direct ? result : undefined;
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}
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);
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