61 lines
1.5 KiB
JavaScript
61 lines
1.5 KiB
JavaScript
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// @flow
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import { useEffect, useState } from 'react';
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import { Keyboard } from 'react-native';
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import { toState } from '../../redux';
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export const useKeyboardHeight = () => {
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const [ keyboardHeight, setKeyboardHeight ] = useState(0);
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const onKeyboardDidShow = e => {
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setKeyboardHeight(e.endCoordinates.height);
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};
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const onKeyboardDidHide = () => {
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setKeyboardHeight(0);
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};
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useEffect(() => {
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const keyboardShow = Keyboard.addListener('keyboardDidShow', onKeyboardDidShow);
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const keyboardHide = Keyboard.addListener('keyboardDidHide', onKeyboardDidHide);
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return () => {
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keyboardShow.remove();
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keyboardHide.remove();
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};
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}, []);
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return keyboardHeight;
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};
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/**
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*
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* Returns the client width.
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*
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* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
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* {@code getState} function to be used to retrieve the state
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* features/base/config.
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* @returns {number}.
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*/
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export function getClientWidth(stateful: Object) {
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const state = toState(stateful['features/base/responsive-ui']);
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return state.clientWidth;
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}
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/**
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*
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* Returns the client height.
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*
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* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
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* {@code getState} function to be used to retrieve the state
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* features/base/config.
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* @returns {number}.
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*/
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export function getClientHeight(stateful: Object) {
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const state = toState(stateful['features/base/responsive-ui']);
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return state.clientHeight;
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}
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