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fix money request tabs animation #29231

Merged
merged 10 commits into from
Oct 18, 2023
Merged

fix money request tabs animation #29231

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362a17f
fix tabs animation
ahmedGaber93 Oct 5, 2023
f3d797c
fix money request tabs animation
ahmedGaber93 Oct 10, 2023
0c1f2e1
fix money request tabs animation
ahmedGaber93 Oct 10, 2023
f0427e1
Merge branch 'main' into issue-27563
ahmedGaber93 Oct 10, 2023
a2b3e8e
Merge branch 'main' into issue-27563
ahmedGaber93 Oct 11, 2023
b5ec1f2
fix money request tabs animation
ahmedGaber93 Oct 12, 2023
878a8d3
fix money request tabs animation
ahmedGaber93 Oct 13, 2023
4863dd5
fix money request tabs animation
ahmedGaber93 Oct 13, 2023
3d8b9a2
prettier
ahmedGaber93 Oct 13, 2023
5504141
add comments
ahmedGaber93 Oct 18, 2023
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29 changes: 21 additions & 8 deletions src/components/TabSelector/TabSelector.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import {View} from 'react-native';
import React from 'react';
import React, {useState} from 'react';
import PropTypes from 'prop-types';
import _ from 'underscore';
import * as Expensicons from '../Icon/Expensicons';
Expand Down Expand Up @@ -53,7 +53,7 @@ const getIconAndTitle = (route, translate) => {
}
};

const getOpacity = (position, routesLength, tabIndex, active) => {
const getOpacity = (position, routesLength, tabIndex, active, affectedTabs) => {
const activeValue = active ? 1 : 0;
const inactiveValue = active ? 0 : 1;

Expand All @@ -62,32 +62,43 @@ const getOpacity = (position, routesLength, tabIndex, active) => {

return position.interpolate({
inputRange,
outputRange: _.map(inputRange, (i) => (i === tabIndex ? activeValue : inactiveValue)),
outputRange: _.map(inputRange, (i) => (affectedTabs.includes(tabIndex) && i === tabIndex ? activeValue : inactiveValue)),
});
}
return activeValue;
};

const getBackgroundColor = (position, routesLength, tabIndex) => {
const getBackgroundColor = (position, routesLength, tabIndex, affectedTabs) => {
if (routesLength > 1) {
const inputRange = Array.from({length: routesLength}, (v, i) => i);

return position.interpolate({
inputRange,
outputRange: _.map(inputRange, (i) => (i === tabIndex ? themeColors.border : themeColors.appBG)),
outputRange: _.map(inputRange, (i) => (affectedTabs.includes(tabIndex) && i === tabIndex ? themeColors.border : themeColors.appBG)),
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});
}
return themeColors.border;
};

function TabSelector({state, navigation, onTabPress, position}) {
const {translate} = useLocalize();

const defaultAffectedAnimatedTabs = Array.from({length: state.routes.length}, (v, i) => i);
const [affectedAnimatedTabs, setAffectedAnimatedTabs] = useState(defaultAffectedAnimatedTabs);

React.useEffect(() => {
setTimeout(() => {
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We are usually against using setTimeout, why do we need it here?

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We need here to reset affectedAnimatedTabs after transition end, and I think this is the available way to wait transition end.

Removing setTimeout will back the issue to happened again because while moving from tab1 to tabs3 the transition is not end yet and at this time calling reset affectedAnimatedTabs to default will reset it to [tab1, tab2, tab3] while we need it to keep it [tab1, tab3] until transition end

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Got it! Can you leave a comment then explaining why?

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@pecanoro updated.

setAffectedAnimatedTabs(defaultAffectedAnimatedTabs);
}, CONST.ANIMATED_TRANSITION);
// eslint-disable-next-line react-hooks/exhaustive-deps
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Can you explain why we add this as we do here?

App/src/components/Form.js

Line 202 in 0cbee22

// eslint-disable-next-line react-hooks/exhaustive-deps -- we just want to revalidate the form on update if the preferred locale changed on another device so that errors get translated

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I add eslint-disable because putting defaultAffectedAnimatedTabs as deps will reset the affectedAnimatedTabs in every render, because const defaultAffectedAnimatedTabs will re-define the const in every render and is considered deps change because reference identity is changed.
I think we can remove eslint-disable and use useMemo

const defaultAffectedAnimatedTabs = useMemo(() => Array.from({length: state.routes.length}, (v, i) => i), [state.routes.length]);
    
 React.useEffect(() => {
    setTimeout(() => {
        setAffectedAnimatedTabs(defaultAffectedAnimatedTabs);
    }, CONST.ANIMATED_TRANSITION);
}, [defaultAffectedAnimatedTabs, state.index]);

}, [state.index]);

return (
<View style={styles.tabSelector}>
{_.map(state.routes, (route, index) => {
const activeOpacity = getOpacity(position, state.routes.length, index, true);
const inactiveOpacity = getOpacity(position, state.routes.length, index, false);
const backgroundColor = getBackgroundColor(position, state.routes.length, index);
const activeOpacity = getOpacity(position, state.routes.length, index, true, affectedAnimatedTabs);
const inactiveOpacity = getOpacity(position, state.routes.length, index, false, affectedAnimatedTabs);
const backgroundColor = getBackgroundColor(position, state.routes.length, index, affectedAnimatedTabs);
const isFocused = index === state.index;
const {icon, title} = getIconAndTitle(route.name, translate);

Expand All @@ -96,6 +107,8 @@ function TabSelector({state, navigation, onTabPress, position}) {
return;
}

setAffectedAnimatedTabs([state.index, index]);

const event = navigation.emit({
type: 'tabPress',
target: route.key,
Expand Down
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