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[RNMobile] Update KeyboardAwareFlatList iOS implementation #33170

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[RNMobile] Update KeyboardAwareFlatList iOS implementation #33170

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4aab198
Update KeyboardAwareFlatList iOS implementation
fluiddot Jun 25, 2021
3b898ad
Update packages/components/src/mobile/keyboard-aware-flat-list/index.…
fluiddot Nov 12, 2021
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107 changes: 56 additions & 51 deletions packages/components/src/mobile/keyboard-aware-flat-list/index.ios.js
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Original file line number Diff line number Diff line change
@@ -1,16 +1,12 @@
/**
* External dependencies
*/
import { KeyboardAwareScrollView } from 'react-native-keyboard-aware-scroll-view';
import { FlatList } from 'react-native';
import { isEqual } from 'lodash';
import { KeyboardAwareFlatList as RNKeyboardAwareFlatList } from 'react-native-keyboard-aware-scroll-view';

/**
* WordPress dependencies
*/
import { memo } from '@wordpress/element';

const List = memo( FlatList, isEqual );
import { useRef } from '@wordpress/element';

export const KeyboardAwareFlatList = ( {
extraScrollHeight,
Expand All @@ -19,53 +15,62 @@ export const KeyboardAwareFlatList = ( {
autoScroll,
scrollViewStyle,
inputAccessoryViewHeight,
scrollEnabled,
...listProps
} ) => (
<KeyboardAwareScrollView
style={ [ { flex: 1 }, scrollViewStyle ] }
keyboardDismissMode="none"
enableResetScrollToCoords={ false }
keyboardShouldPersistTaps="handled"
extraScrollHeight={ extraScrollHeight }
extraHeight={ 0 }
inputAccessoryViewHeight={ inputAccessoryViewHeight }
enableAutomaticScroll={ autoScroll === undefined ? false : autoScroll }
ref={ ( ref ) => {
this.scrollViewRef = ref;
innerRef( ref );
} }
onKeyboardWillHide={ () => {
this.keyboardWillShowIndicator = false;
} }
onKeyboardDidHide={ () => {
setTimeout( () => {
if (
! this.keyboardWillShowIndicator &&
this.latestContentOffsetY !== undefined &&
! shouldPreventAutomaticScroll()
) {
// Reset the content position if keyboard is still closed
if ( this.scrollViewRef ) {
this.scrollViewRef.scrollToPosition(
0,
this.latestContentOffsetY,
true
);
} ) => {
const scrollViewRef = useRef();
const keyboardWillShowIndicator = useRef();
const latestContentOffsetY = useRef();
return (
<RNKeyboardAwareFlatList
style={ [ { flex: 1 }, scrollViewStyle ] }
contentContainerStyle={ { flexGrow: 1, backgroundColor: 'red' } }
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keyboardDismissMode="none"
enableResetScrollToCoords={ false }
keyboardShouldPersistTaps="handled"
extraScrollHeight={ extraScrollHeight }
extraHeight={ 0 }
inputAccessoryViewHeight={ inputAccessoryViewHeight }
enableAutomaticScroll={
autoScroll === undefined ? false : autoScroll
}
ref={ ( ref ) => {
scrollViewRef.current = ref;
innerRef( ref );
} }
onKeyboardWillHide={ () => {
keyboardWillShowIndicator.current = false;
} }
onKeyboardDidHide={ () => {
setTimeout( () => {
if (
! keyboardWillShowIndicator.current &&
latestContentOffsetY.current !== undefined &&
! shouldPreventAutomaticScroll()
) {
// Reset the content position if keyboard is still closed
if ( scrollViewRef.current ) {
scrollViewRef.current.scrollToPosition(
0,
latestContentOffsetY.current,
true
);
}
}
}
}, 50 );
} }
onKeyboardWillShow={ () => {
this.keyboardWillShowIndicator = true;
} }
scrollEnabled={ listProps.scrollEnabled }
onScroll={ ( event ) => {
this.latestContentOffsetY = event.nativeEvent.contentOffset.y;
} }
>
<List { ...listProps } />
</KeyboardAwareScrollView>
);
}, 50 );
} }
onKeyboardWillShow={ () => {
keyboardWillShowIndicator.current = true;
} }
scrollEnabled={ scrollEnabled }
onScroll={ ( event ) => {
latestContentOffsetY.current =
event.nativeEvent.contentOffset.y;
} }
{ ...listProps }
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I wonder if this relocated prop spread is unintentionally overriding some of the props set above, or some of the locally set props are irrelevant. There appears to be only one usage of this component and it sets several style properties itself. We may need to merge the props or remove the locally set props.

  • keyboardShouldPersistTaps
  • style
  • scrollViewStyle
  • contentContainerStyle

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Yep, good point, we should review what was the purpose of the different style ones (style, scrollViewStyle and contentContainerStyle) in the original component and decide in each case the best way to proceed, probably some of the local ones are no longer necessary.

/>
);
};

KeyboardAwareFlatList.handleCaretVerticalPositionChange = (
scrollView,
Expand Down