actions.js

import { NativeModules, NativeEventEmitter, Platform } from 'react-native';

const RNCallKeepModule = NativeModules.RNCallKeep;
const eventEmitter = new NativeEventEmitter(RNCallKeepModule);

const RNCallKeepDidReceiveStartCallAction = 'RNCallKeepDidReceiveStartCallAction';
const RNCallKeepPerformAnswerCallAction = 'RNCallKeepPerformAnswerCallAction';
const RNCallKeepPerformEndCallAction = 'RNCallKeepPerformEndCallAction';
const RNCallKeepDidActivateAudioSession = 'RNCallKeepDidActivateAudioSession';
const RNCallKeepDidDeactivateAudioSession = 'RNCallKeepDidDeactivateAudioSession';
const RNCallKeepDidDisplayIncomingCall = 'RNCallKeepDidDisplayIncomingCall';
const RNCallKeepDidPerformSetMutedCallAction = 'RNCallKeepDidPerformSetMutedCallAction';
const RNCallKeepDidToggleHoldAction = 'RNCallKeepDidToggleHoldAction';
const RNCallKeepDidPerformDTMFAction = 'RNCallKeepDidPerformDTMFAction';
const RNCallKeepProviderReset = 'RNCallKeepProviderReset';
const RNCallKeepCheckReachability = 'RNCallKeepCheckReachability';
const RNCallKeepDidLoadWithEvents = 'RNCallKeepDidLoadWithEvents';
const RNCallKeepShowIncomingCallUi = 'RNCallKeepShowIncomingCallUi';
const RNCallKeepOnSilenceIncomingCall = 'RNCallKeepOnSilenceIncomingCall';
const RNCallKeepOnIncomingConnectionFailed = 'RNCallKeepOnIncomingConnectionFailed';
const RNCallKeepDidChangeAudioRoute = 'RNCallKeepDidChangeAudioRoute';
const isIOS = Platform.OS === 'ios';

const didReceiveStartCallAction = handler => {
  if (isIOS) {
    // Tell CallKeep that we are ready to receive `RNCallKeepDidReceiveStartCallAction` event and prevent delay
    RNCallKeepModule._startCallActionEventListenerAdded();
  }

  return eventEmitter.addListener(RNCallKeepDidReceiveStartCallAction, (data) => handler(data));
};

const answerCall = handler =>
  eventEmitter.addListener(RNCallKeepPerformAnswerCallAction, (data) => handler(data));

const endCall = handler =>
  eventEmitter.addListener(RNCallKeepPerformEndCallAction, (data) => handler(data));

const didChangeAudioRoute = handler =>
  eventEmitter.addListener(RNCallKeepDidChangeAudioRoute, handler);

const didActivateAudioSession = handler =>
  eventEmitter.addListener(RNCallKeepDidActivateAudioSession, handler);

const didDeactivateAudioSession = handler =>
  eventEmitter.addListener(RNCallKeepDidDeactivateAudioSession, handler);

const didDisplayIncomingCall = handler => eventEmitter.addListener(RNCallKeepDidDisplayIncomingCall, data => {
  // On Android the payload parameter is sent a String
  // As it requires too much code on Android to convert it to WritableMap, let's do it here.
  if (data.payload && typeof data.payload === 'string') {
    try {
      data.payload = JSON.parse(data.payload);
    } catch (_) {
    }
  }
  handler(data);
});

const didPerformSetMutedCallAction = handler =>
  eventEmitter.addListener(RNCallKeepDidPerformSetMutedCallAction, (data) => handler(data));

const didToggleHoldCallAction = handler =>
  eventEmitter.addListener(RNCallKeepDidToggleHoldAction, handler);

const didPerformDTMFAction = handler =>
  eventEmitter.addListener(RNCallKeepDidPerformDTMFAction, (data) => handler(data));

const didResetProvider = handler =>
  eventEmitter.addListener(RNCallKeepProviderReset, handler);

const checkReachability = handler =>
  eventEmitter.addListener(RNCallKeepCheckReachability, handler);

const didLoadWithEvents = handler =>
  eventEmitter.addListener(RNCallKeepDidLoadWithEvents, handler);

const showIncomingCallUi = handler =>
  eventEmitter.addListener(RNCallKeepShowIncomingCallUi, (data) => handler(data));

const silenceIncomingCall = handler =>
  eventEmitter.addListener(RNCallKeepOnSilenceIncomingCall, (data) => handler(data));

const createIncomingConnectionFailed = handler =>
  eventEmitter.addListener(RNCallKeepOnIncomingConnectionFailed, (data) => handler(data));

export const emit = (eventName, payload) => eventEmitter.emit(eventName, payload);

export const listeners = {
  didReceiveStartCallAction,
  answerCall,
  endCall,
  didActivateAudioSession,
  didDeactivateAudioSession,
  didDisplayIncomingCall,
  didPerformSetMutedCallAction,
  didToggleHoldCallAction,
  didPerformDTMFAction,
  didResetProvider,
  checkReachability,
  didLoadWithEvents,
  showIncomingCallUi,
  silenceIncomingCall,
  createIncomingConnectionFailed,
  didChangeAudioRoute,
};