react-native-screenguard/lib/commonjs/useSGScreenShot.js

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

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useSGScreenShot = useSGScreenShot;
var _react = require("react");
var _reactNative = require("react-native");
var ScreenGuardConstants = _interopRequireWildcard(require("./constant"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
const NativeScreenGuard = _reactNative.TurboModuleRegistry.get('ScreenGuard') || _reactNative.NativeModules.ScreenGuard;
const screenGuardEmitter = new _reactNative.NativeEventEmitter(NativeScreenGuard);
function useSGScreenShot(listener) {
  const [screenshotData, setScreenshotData] = (0, _react.useState)(null);
  const [activationStatus, setActivationStatus] = (0, _react.useState)(null);
  const listenerRef = (0, _react.useRef)(listener);
  (0, _react.useEffect)(() => {
    listenerRef.current = listener;
  }, [listener]);
  (0, _react.useEffect)(() => {
    if (!NativeScreenGuard) return;
    const screenshotSubscription = screenGuardEmitter.addListener(ScreenGuardConstants.SCREENSHOT_EVT, event => {
      setScreenshotData(event);
      if (listenerRef.current) {
        listenerRef.current(event);
      }
    });
    const statusSubscription = screenGuardEmitter.addListener(ScreenGuardConstants.SCREEN_GUARD_EVT, event => {
      setActivationStatus(event);
    });
    return () => {
      screenshotSubscription.remove();
      statusSubscription.remove();
    };
  }, []);
  return {
    screenshotData,
    activationStatus
  };
}
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