163 lines
3.6 KiB
JavaScript
163 lines
3.6 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('React');
|
|
var UIManager = require('UIManager');
|
|
|
|
var createStrictShapeTypeChecker = require('createStrictShapeTypeChecker');
|
|
var keyMirror = require('fbjs/lib/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)
|
|
).isRequired,
|
|
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) {
|
|
configChecker({config}, 'config', 'LayoutAnimation.configureNext');
|
|
UIManager.configureNextLayoutAnimation(
|
|
config, onAnimationDidEnd || function() {}, function() { /* unused */ }
|
|
);
|
|
}
|
|
|
|
function create(duration: number, type, creationProp): Config {
|
|
return {
|
|
duration,
|
|
create: {
|
|
type,
|
|
property: creationProp,
|
|
},
|
|
update: {
|
|
type,
|
|
},
|
|
delete: {
|
|
type,
|
|
property: creationProp,
|
|
},
|
|
};
|
|
}
|
|
|
|
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,
|
|
},
|
|
delete: {
|
|
type: Types.linear,
|
|
property: Properties.opacity,
|
|
},
|
|
},
|
|
};
|
|
|
|
/**
|
|
* Automatically animates views to their new positions when the
|
|
* next layout happens.
|
|
*
|
|
* A common way to use this API is to call `LayoutAnimation.configureNext`
|
|
* before calling `setState`.
|
|
*/
|
|
var LayoutAnimation = {
|
|
/**
|
|
* Schedules an animation to happen on the next layout.
|
|
*
|
|
* @param config Specifies animation properties:
|
|
*
|
|
* - `duration` in milliseconds
|
|
* - `create`, config for animating in new views (see `Anim` type)
|
|
* - `update`, config for animating views that have been updated
|
|
* (see `Anim` type)
|
|
*
|
|
* @param onAnimationDidEnd Called when the animation finished.
|
|
* Only supported on iOS.
|
|
* @param onError Called on error. Only supported on iOS.
|
|
*/
|
|
configureNext,
|
|
/**
|
|
* Helper for creating a config for `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;
|