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old/tab-scan.js

@@ -0,0 +1,194 @@
+'use strict';
+
+angular.module('copayApp.controllers').controller('tabScanController', function($scope, $timeout, $ionicModal, $log, $ionicPopup, configService, gettextCatalog, platformInfo, bitcore, lodash, $state, incomingData) {
+
+  var isCordova = platformInfo.isCordova;
+  var isWP = platformInfo.isWP;
+  var isIOS = platformInfo.isIOS;
+
+
+
+  var _showAlert = function(title, msg, cb) {
+    $log.warn(title +  ":"+ msg);
+    var alertPopup = $ionicPopup.alert({
+      title: title,
+      template: msg
+    });
+
+    if (!cb) cb = function(res) {};
+
+    alertPopup.then(cb);
+  };
+
+  var _dataScanned = function(data) {
+    $log.debug('Scanned:' + data);
+    if (!incomingData.redir(data)) {
+      $log.warn('Fail to process scanned data');
+      _showAlert('Bad bitcoin address', 'Could not recognize the bitcoin address', function(res) {
+        $scope.init();
+      });
+    }
+  };
+
+  var onSuccess = function(result) {
+    $timeout(function() {
+      window.plugins.spinnerDialog.hide();
+    }, 100);
+    if (isWP && result.cancelled) return;
+
+    $timeout(function() {
+      var data = isIOS ? result : result.text;
+      // Check if the current page is tabs.scan
+      if ($state.is('tabs.scan')) {
+        _dataScanned(data);
+        return;
+      }
+    }, 1000);
+  };
+
+  var onError = function(error) {
+    $timeout(function() {
+      window.plugins.spinnerDialog.hide();
+    }, 100);
+  };
+
+  $scope.cordovaOpenScanner = function() {
+    window.plugins.spinnerDialog.show(null, gettextCatalog.getString('Preparing camera...'), true);
+    $timeout(function() {
+      if (isIOS) {
+        cloudSky.zBar.scan({}, onSuccess, onError);
+      } else {
+        cordova.plugins.barcodeScanner.scan(onSuccess, onError);
+      }
+      if ($scope.beforeScan) {
+        $scope.beforeScan();
+      }
+    }, 100);
+  };
+
+  $scope.modalOpenScanner = function() {
+    $ionicModal.fromTemplateUrl('views/modals/scanner.html', {
+      scope: $scope,
+      animation: 'slide-in-up'
+    }).then(function(modal) {
+      $scope.scannerModal = modal;
+      $scope.scannerModal.show();
+    });
+  };
+
+  $scope.openScanner = function() {
+    if (isCordova) {
+      $scope.cordovaOpenScanner();
+    } else {
+      $scope.modalOpenScanner();
+    }
+  };
+
+  // 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() {
+    $timeout.cancel(scanTimer);
+    if (localMediaStream && localMediaStream.active) {
+      var localMediaStreamTrack = localMediaStream.getTracks();
+      for (var i = 0; i < localMediaStreamTrack.length; i++) {
+        localMediaStreamTrack[i].stop();
+      }
+    } else {
+      try {
+        localMediaStream.stop();
+      } catch (e) {
+        // Older Chromium not support the STOP function
+      };
+    }
+    localMediaStream = null;
+    if (video && video.src) video.src = '';
+  };
+
+  qrcode.callback = function(data) {
+    if (prevResult != data) {
+      prevResult = data;
+      return;
+    }
+    // Check if the current page is tabs.scan
+    _scanStop();
+    if ($state.is('tabs.scan')) {
+      _dataScanned(data);
+      return;
+    }
+    $scope.cancel();
+  };
+
+  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 (isCordova) {
+      $scope.cordovaOpenScanner();
+      return;
+    }
+    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();
+  };
+
+  $scope.$on("$destroy", function(){
+    _scanStop();
+  });
+
+});