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| /**
* @author Xiuliang Li (xiuliang.li@samsung.com)
* @fileoverview This module manages list item.
* @date 2017/06/20 (last modified date)
*
* Copyright 2017 by Samsung Electronics, Inc.,
*
* This software is the confidential and proprietary information
* of Samsung Electronics, Inc. ("Confidential Information"). You
* shall not disclose such Confidential Information and shall use
* it only in accordance with the terms of the license agreement
* you entered into with Samsung.
*/
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { is, Map, fromJS } from 'immutable';
const MAX_NUM = 36;
const ResourceMap = {
BLACK: {
L: 'images/loading/loading_blackl/',
M: 'images/loading/loading_blackm/',
S: 'images/loading/loading_blacks/',
XS: 'images/loading/loading_blackxs/',
},
WHITE: {
L: 'images/loading/loading_whitel/',
M: 'images/loading/loading_whitem/',
S: 'images/loading/loading_whites/',
XS: 'images/loading/loading_whitexs/',
},
};
const SizeMap = {
XS: 36,
S: 57,
M: 86,
L: 100,
};
export default class Loading extends Component {
constructor(props) {
super(props);
this.state = {
index: 0,
display: true,
};
this.playLoadingID = null;
}
componentDidMount() {
clearInterval(this.playLoadingID);
this.playLoadingID = null;
this.playLoadingID = setInterval(() => {
if (this.node) { // checking if the ref exists before setting the state:
let idx = this.state.index;
idx = (idx === (MAX_NUM - 1)) ? 0 : (idx + 1);
this.setState({ index: idx });
}
}, 70);
}
componentWillReceiveProps(nextProps) {
}
shouldComponentUpdate(nextProps, nextState) {
return (JSON.stringify(nextProps) !== JSON.stringify(this.props)) || (JSON.stringify(nextState) !== JSON.stringify(this.state));
}
componentDidUpdate(prevProps, prevState) {
if (!prevState.display) {
Eif (this.playLoadingID) {
clearInterval(this.playLoadingID);
this.playLoadingID = null;
}
}
}
componentWillUnmount() {
if (this.playLoadingID) {
clearInterval(this.playLoadingID);
this.playLoadingID = null;
}
}
/**
* show or hide the loading component
* @name setShowState
* @method
* @param {flag}
* @memberof
*/
setShowState(flag) {
if (this.node) {
this.setState({ display: flag });
}
}
getThumbnail() {
const { theme, size } = this.props;
let idx;
if (this.state.index < 10) {
idx = `0${this.state.index}`;
} else {
idx = `${this.state.index}`;
}
return `${ResourceMap[theme][size]}loading_${theme.toLowerCase()}${size.toLowerCase()}_${idx}.png`;
}
render() {
const { size, theme, OSD } = this.props;
const dimStyle = {
position: 'absolute',
top: OSD.t,
left: OSD.l,
width: OSD.w,
height: OSD.h,
zIndex: 200,
backgroundColor: 'rgba(19,29,34,0.4)',
display: this.state.display ? 'inline' : 'none',
};
const loadingStyle = {
position: 'absolute',
top: (OSD.h - SizeMap[size]) / 2,
left: (OSD.w - SizeMap[size]) / 2,
width: SizeMap[size],
height: SizeMap[size],
zIndex: 300,
};
return (
<div ref={(node) => { this.node = node; }} style={dimStyle} >
<img style={loadingStyle} src={this.getThumbnail()} />
</div>
);
}
}
Loading.defaultProps = {
theme: 'BLACK',
size: 'L',
OSD: {
l: 0,
t: 0,
w: 1920,
h: 1080,
},
};
Loading.propTypes = {
theme: PropTypes.oneOf(['WHITE', 'BLACK']),
size: PropTypes.oneOf(['XS', 'S', 'M', 'L']),
OSD: PropTypes.shape({
l: PropTypes.number,
t: PropTypes.number,
w: PropTypes.number,
h: PropTypes.number,
}),
};
|