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Wrap.js
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Wrap.js
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import React, { Component } from 'react';
import navigation, { toId } from '@navigationjs/core';
export default class Wrap extends Component {
onValue = () => {
const eventNames = [
'transitionend',
'webkitTransitionEnd',
'oTransitionEnd',
'otransitionend',
'MSTransitionEnd',
];
const callback = () => {
eventNames.forEach(eventName =>
this.element.removeEventListener(eventName, callback, false)
);
};
eventNames.forEach(eventName => {
this.element.addEventListener(eventName, callback, false);
});
this.forceUpdate();
};
componentDidMount() {
const { navigator: navigatorName, scene: sceneName } = this.props;
const navigator = navigation.navigators[navigatorName];
const scene = navigator.scenes[sceneName];
scene.active.on('value', this.onValue);
}
componentWillUnmount() {
const { navigator: navigatorName, scene: sceneName } = this.props;
const navigator = navigation.navigators[navigatorName];
const scene = navigator.scenes[sceneName];
scene.active.off('value', this.onValue);
}
render() {
const { navigator: navigatorName, scene: sceneName, children } = this.props;
const id = toId(navigatorName, sceneName);
const pass = { id };
const navigator = navigation.navigators[navigatorName];
const scene = navigator.scenes[sceneName];
return (
<div
ref={ref => {
this.element = ref;
}}
style={{
transform: `translateY(${(1 - scene.active.value) * 100}%)`,
position: 'absolute',
top: 0,
left: 0,
right: 0,
bottom: 0,
transitionProperty: 'transform',
transitionDuration: `${scene.active.duration}ms`,
overflowY: 'auto',
backgroundColor: 'white',
}}
>
{typeof children === 'function' ? children(pass) : children}
</div>
);
}
}