b2d233b5ed
* fix: reset iOS scrollView when switching channels * cancel animation frame after resetting the scrollview * add useResetNativeScrollView hook
24 lines
843 B
TypeScript
24 lines
843 B
TypeScript
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
|
|
// See LICENSE.txt for license information.
|
|
|
|
import {useEffect, useRef} from 'react';
|
|
import {UPDATE_NATIVE_SCROLLVIEW} from '@constants/post_draft';
|
|
import EventEmitter from '@mm-redux/utils/event_emitter';
|
|
|
|
export const useResetNativeScrollView = (scrollViewNativeID: string | undefined, postIds: string[]) => {
|
|
const prevPostCount = useRef(postIds.length);
|
|
|
|
useEffect(() => {
|
|
if (scrollViewNativeID) {
|
|
EventEmitter.emit(UPDATE_NATIVE_SCROLLVIEW, scrollViewNativeID);
|
|
}
|
|
}, [scrollViewNativeID]);
|
|
|
|
useEffect(() => {
|
|
if (!prevPostCount.current && postIds.length) {
|
|
EventEmitter.emit(UPDATE_NATIVE_SCROLLVIEW, scrollViewNativeID);
|
|
}
|
|
|
|
prevPostCount.current = postIds.length;
|
|
}, [postIds]);
|
|
};
|