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// Copyright 2015, 2016 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 React, { Component, PropTypes } from 'react';
import ReactDOM from 'react-dom';
import { Link } from 'react-router';
import { connect } from 'react-redux';
import { throttle } from 'lodash';
import store from 'store';
import { CancelIcon, FingerprintIcon } from '~/ui/Icons';
import { Badge, Button, ContainerTitle, ParityBackground } from '~/ui';
import { Embedded as Signer } from '../Signer';
import DappsStore from '~/views/Dapps/dappsStore';
import imagesEthcoreBlock from '../../../assets/images/parity-logo-white-no-text.svg';
import styles from './parityBar.css';
const LS_STORE_KEY = '_parity::parityBar';
const DEFAULT_POSITION = { right: '1em', bottom: 0 };
class ParityBar extends Component {
app = null;
measures = null;
moving = false;
static contextTypes = {
api: PropTypes.object.isRequired
};
dapp: PropTypes.bool,
pending: PropTypes.array
};
moving: false,
opened: false,
position: DEFAULT_POSITION
};
constructor (props) {
super(props);
this.debouncedMouseMove = throttle(
this._onMouseMove,
40,
{ leading: true, trailing: true }
);
}
componentWillMount () {
const { api } = this.context;
// Hook to the dapp loaded event to position the
// Parity Bar accordingly
DappsStore.get(api).on('loaded', (app) => {
this.app = app;
this.loadPosition();
});
}
componentWillReceiveProps (nextProps) {
const count = this.props.pending.length;
const newCount = nextProps.pending.length;
if (count === newCount) {
return;
}
if (count < newCount) {
this.setState({ opened: true });
} else if (newCount === 0 && count === 1) {
this.setState({ opened: false });
}
}
render () {
const { moving, opened, position } = this.state;
const content = opened
? this.renderExpanded()
: this.renderBar();
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const containerClassNames = opened
? [ styles.overlay ]
: [ styles.bar ];
if (!opened && moving) {
containerClassNames.push(styles.moving);
}
const parityBgClassName = opened
? styles.expanded
: styles.corner;
const parityBgClassNames = [ parityBgClassName, styles.parityBg ];
if (moving) {
parityBgClassNames.push(styles.moving);
}
const parityBgStyle = {
...position
};
// Open the Signer at one of the four corners
// of the screen
if (opened) {
// Set at top or bottom of the screen
if (position.top !== undefined) {
parityBgStyle.top = 0;
} else {
parityBgStyle.bottom = 0;
}
// Set at left or right of the screen
if (position.left !== undefined) {
parityBgStyle.left = '1em';
} else {
parityBgStyle.right = '1em';
}
}
return (
<div
className={ containerClassNames.join(' ') }
onMouseEnter={ this.onMouseEnter }
onMouseLeave={ this.onMouseLeave }
onMouseMove={ this.onMouseMove }
onMouseUp={ this.onMouseUp }
>
<ParityBackground
className={ parityBgClassNames.join(' ') }
ref='container'
style={ parityBgStyle }
>
{ content }
</ParityBackground>
</div>
);
}
renderBar () {
const { dapp } = this.props;
if (!dapp) {
return null;
}
const parityIcon = (
<img
src={ imagesEthcoreBlock }
const dragButtonClasses = [ styles.dragButton ];
if (this.state.moving) {
dragButtonClasses.push(styles.moving);
}
<div className={ styles.cornercolor }>
<Link to='/apps'>
<Button
className={ styles.parityButton }
icon={ parityIcon }
label={ this.renderLabel('Parity') }
/>
</Link>
<Button
className={ styles.button }
icon={ <FingerprintIcon /> }
label={ this.renderSignerLabel() }
onClick={ this.toggleDisplay }
/>
<div
className={ styles.moveIcon }
onMouseDown={ this.onMouseDown }
>
<div
className={ dragButtonClasses.join(' ') }
ref='dragButton'
/>
</div>
</div>
);
}
renderExpanded () {
return (
<div>
<div className={ styles.header }>
<div className={ styles.title }>
<ContainerTitle title='Parity Signer: Pending' />
<div className={ styles.actions }>
<Button
icon={ <CancelIcon /> }
label='Close'
onClick={ this.toggleDisplay }
/>
</div>
<div className={ styles.content }>
<Signer />
</div>
</div>
);
}
renderLabel (name, bubble) {
return (
<div className={ styles.label }>
<div className={ styles.labelText }>
{ name }
</div>
{ bubble }
</div>
);
}
renderSignerLabel () {
const { pending } = this.props;
let bubble = null;
if (pending && pending.length) {
bubble = (
<Badge
color='red'
className={ styles.labelBubble }
);
}
return this.renderLabel('Signer', bubble);
}
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getHorizontal (x) {
const { page, button, container } = this.measures;
const left = x - button.offset.left;
const centerX = left + container.width / 2;
// left part of the screen
if (centerX < page.width / 2) {
return { left: Math.max(0, left) };
}
const right = page.width - x - button.offset.right;
return { right: Math.max(0, right) };
}
getVertical (y) {
const STICKY_SIZE = 75;
const { page, button, container } = this.measures;
const top = y - button.offset.top;
const centerY = top + container.height / 2;
// top part of the screen
if (centerY < page.height / 2) {
// Add Sticky edges
const stickyTop = top < STICKY_SIZE
? 0
: top;
return { top: Math.max(0, stickyTop) };
}
const bottom = page.height - y - button.offset.bottom;
// Add Sticky edges
const stickyBottom = bottom < STICKY_SIZE
? 0
: bottom;
return { bottom: Math.max(0, stickyBottom) };
}
getPosition (x, y) {
if (!this.moving || !this.measures) {
return {};
}
const horizontal = this.getHorizontal(x);
const vertical = this.getVertical(y);
const position = {
...horizontal,
...vertical
};
return position;
}
onMouseDown = (event) => {
const containerElt = ReactDOM.findDOMNode(this.refs.container);
const dragButtonElt = ReactDOM.findDOMNode(this.refs.dragButton);
if (!containerElt || !dragButtonElt) {
console.warn(containerElt ? 'drag button' : 'container', 'not found...');
return;
}
const bodyRect = document.body.getBoundingClientRect();
const containerRect = containerElt.getBoundingClientRect();
const buttonRect = dragButtonElt.getBoundingClientRect();
const buttonOffset = {
top: (buttonRect.top + buttonRect.height / 2) - containerRect.top,
left: (buttonRect.left + buttonRect.width / 2) - containerRect.left
};
buttonOffset.bottom = containerRect.height - buttonOffset.top;
buttonOffset.right = containerRect.width - buttonOffset.left;
const button = {
offset: buttonOffset,
height: buttonRect.height,
width: buttonRect.width
};
const container = {
height: containerRect.height,
width: containerRect.width
};
const page = {
height: bodyRect.height,
width: bodyRect.width
};
this.moving = true;
this.measures = {
button,
container,
page
};
this.setState({ moving: true });
}
onMouseEnter = (event) => {
if (!this.moving) {
return;
}
const { buttons } = event;
// If no left-click, stop move
if (buttons !== 1) {
this.onMouseUp(event);
}
}
onMouseLeave = (event) => {
if (!this.moving) {
return;
}
event.stopPropagation();
event.preventDefault();
}
onMouseMove = (event) => {
const { pageX, pageY } = event;
// this._onMouseMove({ pageX, pageY });
this.debouncedMouseMove({ pageX, pageY });
event.stopPropagation();
event.preventDefault();
}
_onMouseMove = (event) => {
if (!this.moving) {
return;
}
const { pageX, pageY } = event;
const position = this.getPosition(pageX, pageY);
this.setState({ position });
}
onMouseUp = (event) => {
if (!this.moving) {
return;
}
const { pageX, pageY } = event;
const position = this.getPosition(pageX, pageY);
// Stick to bottom or top
if (position.top !== undefined) {
position.top = 0;
} else {
position.bottom = 0;
}
// Stick to bottom or top
if (position.left !== undefined) {
position.left = '1em';
} else {
position.right = '1em';
}
this.moving = false;
this.setState({ moving: false, position });
this.savePosition(position);
}
toggleDisplay = () => {
const { opened } = this.state;
this.setState({
opened: !opened
});
}
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get config () {
let config;
try {
config = JSON.parse(store.get(LS_STORE_KEY));
} catch (error) {
config = {};
}
return config;
}
loadPosition (props = this.props) {
const { app, config } = this;
if (!app) {
return this.setState({ position: DEFAULT_POSITION });
}
if (config[app.id]) {
return this.setState({ position: config[app.id] });
}
const position = this.stringToPosition(app.position);
this.setState({ position });
}
savePosition (position) {
const { app, config } = this;
config[app.id] = position;
store.set(LS_STORE_KEY, JSON.stringify(config));
}
stringToPosition (value) {
switch (value) {
case 'top-left':
return { top: 0, left: '1em' };
case 'top-right':
return { top: 0, right: '1em' };
case 'bottom-left':
return { bottom: 0, left: '1em' };
case 'bottom-right':
default:
return DEFAULT_POSITION;
}
}
}
function mapStateToProps (state) {
const { pending } = state.signer;
return {
pending
};
}
export default connect(
mapStateToProps,