85 lines
2.1 KiB
JavaScript
85 lines
2.1 KiB
JavaScript
/**
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
* @format
|
|
* @flow
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
const EventEmitter = require('EventEmitter');
|
|
const EventSubscriptionVendor = require('EventSubscriptionVendor');
|
|
|
|
import type EmitterSubscription from 'EmitterSubscription';
|
|
|
|
function checkNativeEventModule(eventType: ?string) {
|
|
if (eventType) {
|
|
if (eventType.lastIndexOf('statusBar', 0) === 0) {
|
|
throw new Error(
|
|
'`' +
|
|
eventType +
|
|
'` event should be registered via the StatusBarIOS module',
|
|
);
|
|
}
|
|
if (eventType.lastIndexOf('keyboard', 0) === 0) {
|
|
throw new Error(
|
|
'`' +
|
|
eventType +
|
|
'` event should be registered via the Keyboard module',
|
|
);
|
|
}
|
|
if (eventType === 'appStateDidChange' || eventType === 'memoryWarning') {
|
|
throw new Error(
|
|
'`' +
|
|
eventType +
|
|
'` event should be registered via the AppState module',
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Deprecated - subclass NativeEventEmitter to create granular event modules instead of
|
|
* adding all event listeners directly to RCTDeviceEventEmitter.
|
|
*/
|
|
class RCTDeviceEventEmitter extends EventEmitter {
|
|
sharedSubscriber: EventSubscriptionVendor;
|
|
|
|
constructor() {
|
|
const sharedSubscriber = new EventSubscriptionVendor();
|
|
super(sharedSubscriber);
|
|
this.sharedSubscriber = sharedSubscriber;
|
|
}
|
|
|
|
addListener(
|
|
eventType: string,
|
|
listener: Function,
|
|
context: ?Object,
|
|
): EmitterSubscription {
|
|
if (__DEV__) {
|
|
checkNativeEventModule(eventType);
|
|
}
|
|
return super.addListener(eventType, listener, context);
|
|
}
|
|
|
|
removeAllListeners(eventType: ?string) {
|
|
if (__DEV__) {
|
|
checkNativeEventModule(eventType);
|
|
}
|
|
super.removeAllListeners(eventType);
|
|
}
|
|
|
|
removeSubscription(subscription: EmitterSubscription) {
|
|
if (subscription.emitter !== this) {
|
|
subscription.emitter.removeSubscription(subscription);
|
|
} else {
|
|
super.removeSubscription(subscription);
|
|
}
|
|
}
|
|
}
|
|
|
|
module.exports = new RCTDeviceEventEmitter();
|