From eeb902dbf0d77a487903c386c11fca5bd9114300 Mon Sep 17 00:00:00 2001
From: brunobar79 <brunobar79@gmail.com>
Date: Tue, 24 Jul 2018 21:13:17 -0400
Subject: decent UI

---
 .../components/qr-scanner/qr-scanner.component.js  | 64 +++++++++++++++-------
 1 file changed, 43 insertions(+), 21 deletions(-)

(limited to 'ui/app/components')

diff --git a/ui/app/components/qr-scanner/qr-scanner.component.js b/ui/app/components/qr-scanner/qr-scanner.component.js
index cc07e53a2..4cc296441 100644
--- a/ui/app/components/qr-scanner/qr-scanner.component.js
+++ b/ui/app/components/qr-scanner/qr-scanner.component.js
@@ -3,6 +3,7 @@ import PropTypes from 'prop-types'
 import {connect} from 'react-redux'
 import { hideQrScanner, qrCodeDetected} from '../../actions'
 import Instascan from 'instascan'
+import Spinner from '../spinner'
 
 class QrScanner extends Component {
   static propTypes = {
@@ -13,50 +14,41 @@ class QrScanner extends Component {
   constructor (props) {
     super(props)
     this.state = {
-      msg: 'Place the QR code in front of your camera so we can read it...',
+      ready: false,
+      msg: 'Accesing your camera...',
     }
     this.scanning = false
   }
 
-  parseContent (content) {
-    let type = 'unknown'
-    let values = {}
-
-    // Here we could add more cases
-    // To parse other codes (transactions for ex.)
-
-    if (content.split('ethereum:').length > 1) {
-      type = 'address'
-      values = {'address': content.split('ethereum:')[1] }
-    }
-    return {type, values}
-  }
-
   componentDidUpdate () {
     if (this.props.visible && this.camera && !this.scanning) {
-      const scanner = new Instascan.Scanner({
+      this.scanner = new Instascan.Scanner({
         video: this.camera,
         backgroundScan: false,
         continuous: true,
       })
-      scanner.addListener('scan', (content) => {
-        scanner.stop().then(_ => {
+      this.scanner.addListener('scan', (content) => {
+        this.scanner.stop().then(_ => {
           const result = this.parseContent(content)
           if (result.type !== 'unknown') {
             console.log('QR-SCANNER: CODE DETECTED', result)
             this.props.qrCodeDetected(result)
             this.props.hideQrScanner()
+            this.setState({ ready: false })
           } else {
             this.setState({msg: 'Error: We couldn\'t identify that QR code'})
           }
+          this.scanning = false
         })
       })
       Instascan.Camera.getCameras().then((cameras) => {
         if (cameras.length > 0) {
-          scanner.start(cameras[0])
+          this.scanner.start(cameras[0])
+          this.setState({ ready: true })
+          this.setState({ msg: 'Place the QR code in front of your camera so we can read it...'})
           console.log('QR-SCANNER: started scanning with camera', cameras[0])
         } else {
-          console.log('QR-SCANNER: no cameras found')
+          this.setState({ msg: 'No camera found :('})
         }
       }).catch(function (e) {
         console.error(e)
@@ -65,6 +57,29 @@ class QrScanner extends Component {
     }
   }
 
+  parseContent (content) {
+    let type = 'unknown'
+    let values = {}
+
+    // Here we could add more cases
+    // To parse other codes (transactions for ex.)
+
+    if (content.split('ethereum:').length > 1) {
+      type = 'address'
+      values = {'address': content.split('ethereum:')[1] }
+    }
+    return {type, values}
+  }
+
+
+  stopAndClose = () => {
+    this.scanner.stop().then(_ => {
+      this.scanning = false
+      this.props.hideQrScanner()
+      this.setState({ ready: false })
+    })
+  }
+
   render () {
     const { visible } = this.props
 
@@ -92,6 +107,8 @@ class QrScanner extends Component {
           <h3 style={{
             textAlign: 'center',
             marginBottom: '20px',
+            fontSize: '1.5rem',
+            fontWeight: '500',
           }}>
             Scan QR code
           </h3>
@@ -101,17 +118,22 @@ class QrScanner extends Component {
                 overflow: 'hidden',
                 width: '100%',
                 height: '275px',
+                display: 'flex',
+                alignItems: 'center',
+                justifyContent: 'center',
               }}>
               <video
                 style={{
                   width: 'auto',
                   height: '275px',
                   marginLeft: '-15%',
+                  display: this.state.ready ? 'block' : 'none',
                 }}
                 ref={(cam) => {
                   this.camera = cam
                 }}
               />
+             { !this.state.ready ? <Spinner color={'#F7C06C'} /> : null}
             </div>
           <div className={'qr-code-help'} style={{textAlign: 'center', fontSize: '12px', padding: '15px'}}>
             {this.state.msg}
@@ -132,7 +154,7 @@ class QrScanner extends Component {
             animationName: 'anim_171532470906313',
             animationTimingFunction: 'ease-out',
           }}
-          onClick={_ => this.props.hideQrScanner() }
+          onClick={this.stopAndClose}
         />
       </div>
     )
-- 
cgit