From 19f57e614c689a2cdf9f408636af9f4dfc341ce1 Mon Sep 17 00:00:00 2001
From: Yemel Jardi <angel.jardi@gmail.com>
Date: Fri, 25 Jul 2014 11:08:29 -0300
Subject: [PATCH] Add native QR scanner to send form

---
 index.html                  |  3 +++
 js/controllers/send.js      | 20 ++++++++++++++++++++
 js/models/core/Structure.js | 17 ++++++++++-------
 3 files changed, 33 insertions(+), 7 deletions(-)

diff --git a/index.html b/index.html
index 3aeba981c..636918f06 100644
--- a/index.html
+++ b/index.html
@@ -692,6 +692,9 @@
                       <input type="text" id="address" name="address" ng-disabled="loading"
                       placeholder="Send to" ng-model="address" valid-address required>
                     </div>
+                    <div class="small-2 columns" ng-hide="!isCordova">
+                      <a class="postfix button secondary" ng-click="scannerIntent()"><i class="fi-camera"></i></a>
+                    </div>
                     <div class="small-2 columns" ng-hide="showScanner || !isHttp">
                       <a class="postfix button secondary" ng-click="openScanner()"><i class="fi-camera"></i></a>
                     </div>
diff --git a/js/controllers/send.js b/js/controllers/send.js
index e9f3d92ec..d028d34c0 100644
--- a/js/controllers/send.js
+++ b/js/controllers/send.js
@@ -32,6 +32,7 @@ angular.module('copayApp.controllers').controller('SendController',
 
     // Detect protocol
     $scope.isHttp = ($window.location.protocol.indexOf('http') === 0);
+    $scope.isCordova = typeof(window.cordova) != 'undefined';
 
     navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
     window.URL = window.URL || window.webkitURL || window.mozURL || window.msURL;
@@ -194,6 +195,25 @@ angular.module('copayApp.controllers').controller('SendController',
       }, 500);
     };
 
+    $scope.scannerIntent = function() {
+      cordova.plugins.barcodeScanner.scan(
+        function onSuccess(result) {
+          if (result.cancelled) return;
+
+          var bip21 = copay.Structure.parseBitcoinURI(result.text);
+          $scope.address = bip21.address;
+
+          if (bip21.amount) {
+            $scope.amount = bip21.amount * bitcore.util.COIN * satToUnit;
+          }
+
+          $rootScope.$digest();
+        },
+        function onError(error) {
+          alert('Scanning error');
+        });
+    }
+
     $scope.toggleAddressBookEntry = function(key) {
       var w = $rootScope.wallet;
       w.toggleAddressBookEntry(key);
diff --git a/js/models/core/Structure.js b/js/models/core/Structure.js
index ff47c43f0..54b51e4da 100644
--- a/js/models/core/Structure.js
+++ b/js/models/core/Structure.js
@@ -59,13 +59,16 @@ Structure.parseBitcoinURI = function(uri) {
   data = splitDots[1];
   var splitQuestion = data.split('?');
   ret.address = splitQuestion[0];
-  var search = splitQuestion[1];
-  data = JSON.parse('{"' + search.replace(/&/g, '","').replace(/=/g, '":"') + '"}',
-    function(key, value) {
-      return key === "" ? value : decodeURIComponent(value);
-    });
-  ret.amount = parseFloat(data.amount);
-  ret.message = data.message;
+
+  if (splitQuestion.length > 1) {
+    var search = splitQuestion[1];
+    data = JSON.parse('{"' + search.replace(/&/g, '","').replace(/=/g, '":"') + '"}',
+      function(key, value) {
+        return key === "" ? value : decodeURIComponent(value);
+      });
+    ret.amount = parseFloat(data.amount);
+    ret.message = data.message;
+  }
 
   return ret;
 };