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https://github.com/status-im/react-native.git
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1941450649
Summary: There is no "window" in react native. And by the way fix the indent. Closes https://github.com/facebook/react-native/pull/10182 Differential Revision: D3974090 Pulled By: javache fbshipit-source-id: e0e47e15364abff5bcb136d988e234fc8e1f0a8b
112 lines
3.2 KiB
JavaScript
112 lines
3.2 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule Keyboard
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* @flow
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*/
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'use strict';
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const NativeEventEmitter = require('NativeEventEmitter');
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const KeyboardObserver = require('NativeModules').KeyboardObserver;
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const dismissKeyboard = require('dismissKeyboard');
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const KeyboardEventEmitter = new NativeEventEmitter(KeyboardObserver);
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// The following object exists for documentation purposes
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// Actual work happens in
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// https://github.com/facebook/react-native/blob/master/Libraries/EventEmitter/NativeEventEmitter.js
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/**
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* `Keyboard` component to control keyboard events.
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*
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* ### Usage
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*
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* The Keyboard component allows you to listen for native events and react to them, as
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* well as make changes to the keyboard, like dismissing it.
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*
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*```
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* import React, { Component } from 'react';
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* import { Keyboard, TextInput } from 'react-native';
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*
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* class Example extends Component {
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* componentWillMount () {
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* this.keyboardDidShowListener = Keyboard.addListener('keyboardDidShow', this._keyboardDidShow);
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* this.keyboardDidHideListener = Keyboard.addListener('keyboardDidHide', this._keyboardDidHide);
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* }
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*
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* componentWillUnmount () {
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* this.keyboardDidShowListener.remove();
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* this.keyboardDidHideListener.remove();
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* }
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*
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* _keyboardDidShow () {
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* alert('Keyboard Shown');
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* }
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*
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* _keyboardDidHide () {
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* alert('Keyboard Hidden');
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* }
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*
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* render() {
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* return (
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* <TextInput
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* onSubmitEditing={Keyboard.dismiss}
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* />
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* );
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* }
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* }
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*```
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*/
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module.exports = {
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/**
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* The `addListener` function connects a JavaScript function to an identified native
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* keyboard notification event.
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*
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* This function then returns the reference to the listener.
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*
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* @param {string} nativeEvent The `nativeEvent` is the string that identifies the event you're listening for. This
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*can be any of the following:
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* - `keyboardWillShow`
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* - `keyboardDidShow`
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* - `keyboardWillHide`
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* - `keyboardDidHide`
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* - `keyboardWillChangeFrame`
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* - `keyboardDidChangeFrame`
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*
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* @param {function} jsFunction function to be called when the event fires.
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*/
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addListener (nativeEvent: string, jsFunction: Function) {
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return KeyboardEventEmitter.addListener(nativeEvent, jsFunction);
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},
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/**
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* Removes all listeners for a specific event type.
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*
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* @param {string} eventType The native event string listeners are watching which will be removed.
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*/
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removeAllListeners (eventType: string) {
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KeyboardEventEmitter.removeAllListeners(eventType);
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},
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/**
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* Removes a specific subscription.
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*
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* @param {EmitterSubscription} subscription The subscription emitter to be removed.
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*/
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removeSubscription (subscription: Object) {
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KeyboardEventEmitter.removeSubscription(subscription);
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},
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/**
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* Dismisses the active keyboard and removes focus.
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*/
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dismiss () {
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dismissKeyboard();
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}
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};
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