tooot/src/screens/ImageViewer/hooks/useAnimatedComponents.ts

41 lines
979 B
TypeScript

/**
* Copyright (c) JOB TODAY S.A. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*/
import { Animated } from 'react-native'
const INITIAL_POSITION = { x: 0, y: 0 }
const ANIMATION_CONFIG = {
duration: 200,
useNativeDriver: true
}
const useAnimatedComponents = () => {
const headerTranslate = new Animated.ValueXY(INITIAL_POSITION)
const toggleVisible = (isVisible: boolean) => {
if (isVisible) {
Animated.parallel([
Animated.timing(headerTranslate.y, { ...ANIMATION_CONFIG, toValue: 0 })
]).start()
} else {
Animated.parallel([
Animated.timing(headerTranslate.y, {
...ANIMATION_CONFIG,
toValue: -300
})
]).start()
}
}
const headerTransform = headerTranslate.getTranslateTransform()
return [headerTransform, toggleVisible] as const
}
export default useAnimatedComponents