react-native/Libraries/Animation/LayoutAnimation.js

129 lines
2.7 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule LayoutAnimation
* @flow
*/
'use strict';
var PropTypes = require('ReactPropTypes');
var RCTUIManager = require('NativeModules').UIManager;
var createStrictShapeTypeChecker = require('createStrictShapeTypeChecker');
var keyMirror = require('keyMirror');
var TypesEnum = {
spring: true,
linear: true,
easeInEaseOut: true,
easeIn: true,
easeOut: true,
keyboard: true,
};
var Types = keyMirror(TypesEnum);
var PropertiesEnum = {
opacity: true,
scaleXY: true,
};
var Properties = keyMirror(PropertiesEnum);
var animChecker = createStrictShapeTypeChecker({
duration: PropTypes.number,
delay: PropTypes.number,
springDamping: PropTypes.number,
initialVelocity: PropTypes.number,
type: PropTypes.oneOf(
Object.keys(Types)
),
property: PropTypes.oneOf( // Only applies to create/delete
Object.keys(Properties)
),
});
type Anim = {
duration?: number;
delay?: number;
springDamping?: number;
initialVelocity?: number;
type?: $Enum<typeof TypesEnum>;
property?: $Enum<typeof PropertiesEnum>;
}
var configChecker = createStrictShapeTypeChecker({
duration: PropTypes.number.isRequired,
create: animChecker,
update: animChecker,
delete: animChecker,
});
type Config = {
duration: number;
create?: Anim;
update?: Anim;
delete?: Anim;
}
function configureNext(config: Config, onAnimationDidEnd?: Function, onError?: Function) {
configChecker({config}, 'config', 'LayoutAnimation.configureNext');
RCTUIManager.configureNextLayoutAnimation(config, onAnimationDidEnd, onError);
}
function create(duration: number, type, creationProp): Config {
return {
duration,
create: {
type,
property: creationProp,
},
update: {
type,
},
};
}
var Presets = {
easeInEaseOut: create(
300, Types.easeInEaseOut, Properties.opacity
),
linear: create(
500, Types.linear, Properties.opacity
),
spring: {
duration: 700,
create: {
type: Types.linear,
property: Properties.opacity,
},
update: {
type: Types.spring,
springDamping: 0.4,
},
},
};
var LayoutAnimation = {
configureNext,
create,
Types,
Properties,
configChecker: configChecker,
Presets,
easeInEaseOut: configureNext.bind(
null, Presets.easeInEaseOut
),
linear: configureNext.bind(
null, Presets.linear
),
spring: configureNext.bind(
null, Presets.spring
),
};
module.exports = LayoutAnimation;