react-native/Libraries/Animation/Animation.js

36 lines
925 B
JavaScript

/**
* Copyright 2004-present Facebook. All Rights Reserved.
*
* @providesModule Animation
* @flow
*/
'use strict';
var RCTAnimationManager = require('NativeModules').AnimationManager;
var AnimationUtils = require('AnimationUtils');
type EasingFunction = (t: number) => number;
var Animation = {
Mixin: require('AnimationMixin'),
startAnimation: function(
node: any,
duration: number,
delay: number,
easing: (string | EasingFunction),
properties: {[key: string]: any}
): number {
var nodeHandle = +node.getNodeHandle();
var easingSample = AnimationUtils.evaluateEasingFunction(duration, easing);
var tag: number = RCTAnimationManager.startAnimation(nodeHandle, AnimationUtils.allocateTag(), duration, delay, easingSample, properties);
return tag;
},
stopAnimation: function(tag: number) {
RCTAnimationManager.stopAnimation(tag);
},
};
module.exports = Animation;