mirror of https://github.com/BTCPrivate/copay.git
195 lines
4.7 KiB
JavaScript
195 lines
4.7 KiB
JavaScript
'use strict';
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angular.module('copayApp.controllers').controller('tabScanController', function($scope, $timeout, $ionicModal, $log, $ionicPopup, configService, gettextCatalog, platformInfo, bitcore, lodash, $state, incomingData) {
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var isCordova = platformInfo.isCordova;
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var isWP = platformInfo.isWP;
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var isIOS = platformInfo.isIOS;
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var _showAlert = function(title, msg, cb) {
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$log.warn(title + ":"+ msg);
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var alertPopup = $ionicPopup.alert({
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title: title,
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template: msg
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});
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if (!cb) cb = function(res) {};
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alertPopup.then(cb);
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};
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var _dataScanned = function(data) {
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$log.debug('Scanned:' + data);
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if (!incomingData.redir(data)) {
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$log.warn('Fail to process scanned data');
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_showAlert('Bad bitcoin address', 'Could not recognize the bitcoin address', function(res) {
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$scope.init();
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});
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}
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};
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var onSuccess = function(result) {
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$timeout(function() {
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window.plugins.spinnerDialog.hide();
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}, 100);
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if (isWP && result.cancelled) return;
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$timeout(function() {
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var data = isIOS ? result : result.text;
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// Check if the current page is tabs.scan
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if ($state.is('tabs.scan')) {
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_dataScanned(data);
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return;
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}
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}, 1000);
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};
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var onError = function(error) {
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$timeout(function() {
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window.plugins.spinnerDialog.hide();
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}, 100);
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};
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$scope.cordovaOpenScanner = function() {
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window.plugins.spinnerDialog.show(null, gettextCatalog.getString('Preparing camera...'), true);
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$timeout(function() {
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if (isIOS) {
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cloudSky.zBar.scan({}, onSuccess, onError);
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} else {
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cordova.plugins.barcodeScanner.scan(onSuccess, onError);
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}
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if ($scope.beforeScan) {
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$scope.beforeScan();
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}
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}, 100);
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};
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$scope.modalOpenScanner = function() {
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$ionicModal.fromTemplateUrl('views/modals/scanner.html', {
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scope: $scope,
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animation: 'slide-in-up'
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}).then(function(modal) {
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$scope.scannerModal = modal;
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$scope.scannerModal.show();
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});
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};
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$scope.openScanner = function() {
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if (isCordova) {
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$scope.cordovaOpenScanner();
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} else {
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$scope.modalOpenScanner();
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}
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};
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// QR code Scanner
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var video;
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var canvas;
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var $video;
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var context;
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var localMediaStream;
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var prevResult;
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var scanTimer;
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var _scan = function(evt) {
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if (localMediaStream) {
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context.drawImage(video, 0, 0, 300, 225);
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try {
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qrcode.decode();
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} catch (e) {
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//qrcodeError(e);
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}
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}
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scanTimer = $timeout(_scan, 800);
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};
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var _scanStop = function() {
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$timeout.cancel(scanTimer);
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if (localMediaStream && localMediaStream.active) {
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var localMediaStreamTrack = localMediaStream.getTracks();
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for (var i = 0; i < localMediaStreamTrack.length; i++) {
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localMediaStreamTrack[i].stop();
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}
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} else {
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try {
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localMediaStream.stop();
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} catch (e) {
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// Older Chromium not support the STOP function
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};
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}
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localMediaStream = null;
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if (video && video.src) video.src = '';
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};
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qrcode.callback = function(data) {
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if (prevResult != data) {
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prevResult = data;
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return;
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}
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// Check if the current page is tabs.scan
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_scanStop();
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if ($state.is('tabs.scan')) {
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_dataScanned(data);
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return;
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}
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$scope.cancel();
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};
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var _successCallback = function(stream) {
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video.src = (window.URL && window.URL.createObjectURL(stream)) || stream;
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localMediaStream = stream;
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video.play();
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$timeout(_scan, 1000);
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};
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var _videoError = function(err) {
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$scope.cancel();
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};
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var setScanner = function() {
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navigator.getUserMedia = navigator.getUserMedia ||
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navigator.webkitGetUserMedia || navigator.mozGetUserMedia ||
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navigator.msGetUserMedia;
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window.URL = window.URL || window.webkitURL ||
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window.mozURL || window.msURL;
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};
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$scope.init = function() {
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if (isCordova) {
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$scope.cordovaOpenScanner();
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return;
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}
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setScanner();
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$timeout(function() {
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if ($scope.beforeScan) {
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$scope.beforeScan();
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}
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canvas = document.getElementById('qr-canvas');
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context = canvas.getContext('2d');
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video = document.getElementById('qrcode-scanner-video');
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$video = angular.element(video);
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canvas.width = 300;
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canvas.height = 225;
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context.clearRect(0, 0, 300, 225);
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navigator.getUserMedia({
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video: true
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}, _successCallback, _videoError);
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}, 500);
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};
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$scope.cancel = function() {
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_scanStop();
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$scope.scannerModal.hide();
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$scope.scannerModal.remove();
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};
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$scope.$on("$destroy", function(){
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_scanStop();
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});
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});
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