openethereum/js/packages/ui/ParityBackground/parityBackground.js
Jaco Greeff 49fdd23d58 Ui 2 move to packages/* (#6113)
* Move secureApi to shell

* Extract isTestnet test

* Use mobx + subscriptions for status

* Re-add status indicator

* Add lerna

* Move intial packages to js/packages

* Move 3rdparty/{email,sms}-verification to correct location

* Move package.json & README to library src

* Move tests for library packages

* Move views & dapps to packages

* Move i18n to root

* Move shell to actual src (main app)

* Remove ~ references

* Change ~ to root (explicit imports)

* Finalise convert of ~

* Move views into dapps as well

* Move dapps to packages/

* Fix references

* Update css

* Update test spec locations

* Update tests

* Case fix

* Skip flakey tests

* Update enzyme

* Skip previously ignored tests

* Allow empty api for hw

* Re-add theme for embed
2017-07-21 15:46:53 +02:00

129 lines
3.0 KiB
JavaScript

// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
import GeoPattern from 'geopattern';
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { connect } from 'react-redux';
const imageCache = {};
function getBackgroundStyle (_gradient, _seed) {
const gradient = _gradient || 'rgba(255, 255, 255, 0.25)';
const seed = _seed || '0';
let url;
if (_seed) {
url = GeoPattern.generate(_seed).toDataUrl();
} else if (imageCache[seed] && imageCache[seed][gradient]) {
url = imageCache[seed][gradient];
} else {
url = GeoPattern.generate(seed).toDataUrl();
imageCache[seed] = imageCache[seed] || {};
imageCache[seed][gradient] = url;
}
return {
background: `linear-gradient(${gradient}, ${gradient}), ${url}`
};
}
class ParityBackground extends Component {
static propTypes = {
attachDocument: PropTypes.bool,
backgroundSeed: PropTypes.string,
children: PropTypes.node,
className: PropTypes.string,
onClick: PropTypes.func,
style: PropTypes.object
};
static defaultProps = {
style: {}
};
state = {
style: {}
};
_seed = null;
componentWillMount () {
this.setStyle();
}
componentWillReceiveProps (nextProps) {
this.setStyle(nextProps);
}
shouldComponentUpdate (_, nextState) {
return nextState.style !== this.state.style;
}
setStyle (props = this.props) {
const { seed, gradient, backgroundSeed } = props;
const _seed = seed || backgroundSeed;
// Don't update if it's the same seed...
if (this._seed === _seed) {
return;
}
const style = getBackgroundStyle(gradient, _seed);
this.setState({ style });
}
render () {
const { attachDocument, children, className, onClick } = this.props;
const style = {
...this.state.style,
...this.props.style
};
if (attachDocument) {
document.documentElement.style.backgroundImage = style.background;
}
return (
<div
className={ className }
style={
attachDocument
? {}
: style
}
onTouchTap={ onClick }
>
{ children }
</div>
);
}
}
function mapStateToProps (state) {
const { backgroundSeed } = state.settings;
return { backgroundSeed };
}
export default connect(
mapStateToProps,
null
)(ParityBackground);