First iteration changes on Header component focused on Provider section

src/components/Header/component/Layout.jsx

@@ -1,30 +1,106 @@
 // @flow
-import React from 'react'
+import * as React from 'react'
+import { withStyles } from '@material-ui/core/styles'
+import ExpansionPanel from '@material-ui/core/ExpansionPanel'
+import ExpansionPanelDetails from '@material-ui/core/ExpansionPanelDetails'
+import ExpansionPanelSummary from '@material-ui/core/ExpansionPanelSummary'
+import ExpansionPanelActions from '@material-ui/core/ExpansionPanelActions'
+import ExpandMoreIcon from '@material-ui/icons/ExpandMore'
+import Divider from '@material-ui/core/Divider'
+import Paragraph from '~/components/layout/Paragraph'
 import Col from '~/components/layout/Col'
 import Img from '~/components/layout/Img'
+import Button from '~/components/layout/Button'
 import Refresh from '~/components/Refresh'
 import Row from '~/components/layout/Row'
-
+import Spacer from '~/components/Spacer'
 import Connected from './Connected'
-import NotConnected from './NotConnected'
 
-const logo = require('../assets/gnosis_logo.svg')
+const logo = require('../assets/gnosis-safe-logo.svg')
 
 type Props = {
   provider: string,
   reloadWallet: Function,
+  classes: Object,
 }
 
-const Header = ({ provider, reloadWallet }: Props) => (
-  <Row>
-    <Col xs={12} center="xs" sm={6} start="sm" margin="lg">
-      <Img src={logo} height={40} alt="Gnosis Safe" />
-    </Col>
-    <Col xs={12} center="xs" sm={6} end="sm" middle="xs" margin="lg">
-      { provider ? <Connected provider={provider} /> : <NotConnected /> }
-      <Refresh callback={reloadWallet} />
-    </Col>
-  </Row>
-)
+const styles = theme => ({
+  root: {
+    width: '100%',
+  },
+  logo: {
+    flexBasis: '125px',
+  },
+  provider: {
+    flexBasis: '130px',
+    display: 'flex',
+    flexDirection: 'column',
+    justifyContent: 'center',
+  },
+  heading: {
+    fontSize: theme.typography.pxToRem(15),
+  },
+  secondaryHeading: {
+    fontSize: theme.typography.pxToRem(15),
+    color: theme.palette.text.secondary,
+  },
+  icon: {
+    verticalAlign: 'bottom',
+    height: 20,
+    width: 20,
+  },
+  details: {
+    alignItems: 'center',
+  },
+  column: {
+    flexBasis: '33.33%',
+  },
+  helper: {
+    borderLeft: `2px solid ${theme.palette.divider}`,
+    padding: `${theme.spacing.unit}px ${theme.spacing.unit * 2}px`,
+  },
+  link: {
+    color: theme.palette.primary.main,
+    textDecoration: 'none',
+    '&:hover': {
+      textDecoration: 'underline',
+    },
+  },
+})
 
-export default Header
+const Header = ({ provider, reloadWallet, classes }: Props) => {
+  const providerText = provider ? `${provider} [Rinkeby]` : 'Not connected'
+
+  return (
+    <React.Fragment>
+      <ExpansionPanel elevation={0}>
+        <ExpansionPanelSummary expandIcon={<ExpandMoreIcon />}>
+          <Row grow>
+            <Col start="xs" middle="xs" className={classes.logo}>
+              <Img src={logo} height={54} alt="Gnosis Safe" />
+            </Col>
+            <Spacer />
+            <Col end="sm" middle="xs" layout="column" className={classes.provider}>
+              <Paragraph size="sm" transform="capitalize" noMargin bold>{providerText}</Paragraph>
+              <Paragraph size="sm" noMargin>0x873faa....d30aaa</Paragraph>
+            </Col>
+          </Row>
+        </ExpansionPanelSummary>
+        { provider &&
+          <React.Fragment>
+            <ExpansionPanelDetails className={classes.details}>
+              <Connected provider={provider} />
+              <Refresh callback={reloadWallet} />
+            </ExpansionPanelDetails>
+            <ExpansionPanelActions>
+              <Button size="small">DISCONNECT</Button>
+            </ExpansionPanelActions>
+          </React.Fragment>
+        }
+      </ExpansionPanel>
+      <Divider />
+    </React.Fragment>
+  )
+}
+
+export default withStyles(styles)(Header)

src/components/Header/component/NotConnected/index.jsx

@@ -1,5 +0,0 @@
-// @flow
-import React from 'react'
-import Span from '~/components/layout/Span'
-
-export default () => <Span>Not Connected</Span>