refactor(scan): remove dead code around old desktop scanner

Gruntfile.js

@@ -117,7 +117,6 @@ module.exports = function(grunt) {
       angular: {
         src: [
           'bower_components/qrcode-generator/js/qrcode.js',
-          'bower_components/qrcode-decoder-js/lib/qrcode-decoder.js',
           'bower_components/moment/min/moment-with-locales.js',
           'bower_components/angular-moment/angular-moment.js',
           'bower_components/ng-lodash/build/ng-lodash.js',

src/js/controllers/modals/scanner.js

@@ -1,131 +0,0 @@
-'use strict';
-
-angular.module('copayApp.controllers').controller('scannerController', function($scope, $timeout, storageService, $ionicModal, platformInfo) {
-
-  // QR code Scanner
-  var video;
-  var canvas;
-  var $video;
-  var context;
-  var localMediaStream;
-  var prevResult;
-  var scanTimer;
-
-  var _scan = function(evt) {
-    if (localMediaStream) {
-      context.drawImage(video, 0, 0, 300, 225);
-      try {
-        qrcode.decode();
-      } catch (e) {
-        //qrcodeError(e);
-      }
-    }
-    scanTimer = $timeout(_scan, 800);
-  };
-
-  var _scanStop = function() {
-    $timeout.cancel(scanTimer);
-    if (localMediaStream && localMediaStream.active) {
-      var localMediaStreamTrack = localMediaStream.getTracks();
-      for (var i = 0; i < localMediaStreamTrack.length; i++) {
-        localMediaStreamTrack[i].stop();
-      }
-    } else {
-      try {
-        localMediaStream.stop();
-      } catch (e) {
-        // Older Chromium not support the STOP function
-      };
-    }
-    localMediaStream = null;
-    video.src = '';
-  };
-
-  qrcode.callback = function(data) {
-    if (prevResult != data) {
-      prevResult = data;
-      return;
-    }
-    _scanStop();
-    $scope.cancel();
-    $scope.onScan({
-      data: data
-    });
-  };
-
-  var _successCallback = function(stream) {
-    video.src = (window.URL && window.URL.createObjectURL(stream)) || stream;
-    localMediaStream = stream;
-    video.play();
-    $timeout(_scan, 1000);
-  };
-
-  var _videoError = function(err) {
-    $scope.cancel();
-  };
-
-  var setScanner = function() {
-    navigator.getUserMedia = navigator.getUserMedia ||
-      navigator.webkitGetUserMedia || navigator.mozGetUserMedia ||
-      navigator.msGetUserMedia;
-    window.URL = window.URL || window.webkitURL ||
-      window.mozURL || window.msURL;
-  };
-
-  $scope.init = function() {
-    if (platformInfo.isCordova) scannerInit();
-    else checkTips();
-  };
-
-  function checkTips() {
-    //TODO addapt tips to the new QR plugin (mobile)
-    storageService.getScanTipsAccepted(function(err, accepted) {
-      if (err) $log.warn(err);
-      if (accepted) {
-        scannerInit();
-        return;
-      }
-
-      $timeout(function() {
-        $ionicModal.fromTemplateUrl('views/modals/scan-tips.html', {
-          scope: $scope
-        }).then(function(modal) {
-          $scope.scanTipsModal = modal;
-          $scope.scanTipsModal.show();
-        });
-      }, 1000);
-    });
-  };
-
-  $scope.$on('TipsModalClosed', function(event) {
-    scannerInit();
-  });
-
-  function scannerInit() {
-    setScanner();
-    $timeout(function() {
-      if ($scope.beforeScan) {
-        $scope.beforeScan();
-      }
-      canvas = document.getElementById('qr-canvas');
-      context = canvas.getContext('2d');
-
-      video = document.getElementById('qrcode-scanner-video');
-      $video = angular.element(video);
-      canvas.width = 300;
-      canvas.height = 225;
-      context.clearRect(0, 0, 300, 225);
-
-      navigator.getUserMedia({
-        video: true
-      }, _successCallback, _videoError);
-    }, 500);
-  };
-
-  $scope.cancel = function() {
-    _scanStop();
-    $scope.scannerModal.hide();
-    $scope.scannerModal.remove();
-  };
-
-});

www/views/modals/scanner.html

@@ -1,12 +0,0 @@
-<ion-modal-view ng-controller="scannerController" ng-init="init()">
-  <ion-header-bar align-title="center" class="bar-royal">
-    <button ng-click="cancel()" class="button button-back button-clear" translate>
-      Close
-    </button>
-    <h1 class="title ellipsis" translate>QR-Scanner</h1>
-  </ion-header-bar>
-  <ion-content >
-    <canvas id="qr-canvas" width="200" height="150"></canvas>
-    <video id="qrcode-scanner-video" width="300" height="225"></video>
-  </ion-content>
-</ion-modal-view>