react-native-screenguard/lib/module/useSGScreenRecord.js

A Native screenshot blocking library for React-Native developer, with background customizable after captured. Screenshot detector are also supported.

"use strict";

import { useEffect, useState, useRef } from 'react';
import { NativeEventEmitter, NativeModules, TurboModuleRegistry } from 'react-native';
import * as ScreenGuardConstants from './constant';
const NativeScreenGuard = TurboModuleRegistry.get('ScreenGuard') || NativeModules.ScreenGuard;
const screenGuardEmitter = new NativeEventEmitter(NativeScreenGuard);
export function useSGScreenRecord(listener) {
  const [recordingData, setRecordingData] = useState(null);
  const [activationStatus, setActivationStatus] = useState(null);
  const listenerRef = useRef(listener);
  useEffect(() => {
    listenerRef.current = listener;
  }, [listener]);
  useEffect(() => {
    if (!NativeScreenGuard) return;
    const recordingSubscription = screenGuardEmitter.addListener(ScreenGuardConstants.SCREEN_RECORDING_EVT, event => {
      setRecordingData(event);
      if (listenerRef.current) {
        listenerRef.current(event);
      }
    });
    const statusSubscription = screenGuardEmitter.addListener(ScreenGuardConstants.SCREEN_GUARD_EVT, event => {
      setActivationStatus(event);
    });
    return () => {
      recordingSubscription.remove();
      statusSubscription.remove();
    };
  }, []);
  return {
    recordingData,
    activationStatus
  };
}
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