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add old scanner for windows platform

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This commit is contained in:
Gabriel Bazán 2017-06-07 12:23:07 -03:00
commit 8627e60103
7 changed files with 121 additions and 62 deletions
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122
src/js/services/scannerService.js
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@ -17,27 +17,27 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
var canChangeCamera = false;
var canOpenSettings = false;
function _checkCapabilities(status){
function _checkCapabilities(status) {
$log.debug('scannerService is reviewing platform capabilities...');
// Permission can be assumed on the desktop builds
hasPermission = (isDesktop || status.authorized)? true: false;
isDenied = status.denied? true : false;
isRestricted = status.restricted? true : false;
canEnableLight = status.canEnableLight? true : false;
canChangeCamera = status.canChangeCamera? true : false;
canOpenSettings = status.canOpenSettings? true : false;
hasPermission = (isDesktop || status.authorized) ? true : false;
isDenied = status.denied ? true : false;
isRestricted = status.restricted ? true : false;
canEnableLight = status.canEnableLight ? true : false;
canChangeCamera = status.canChangeCamera ? true : false;
canOpenSettings = status.canOpenSettings ? true : false;
_logCapabilities();
}
function _logCapabilities(){
function _orIsNot(bool){
return bool? '' : 'not ';
function _logCapabilities() {
function _orIsNot(bool) {
return bool ? '' : 'not ';
}
$log.debug('A camera is ' + _orIsNot(isAvailable) + 'available to this app.');
var access = 'not authorized';
if(hasPermission) access = 'authorized';
if(isDenied) access = 'denied';
if(isRestricted) access = 'restricted';
if (hasPermission) access = 'authorized';
if (isDenied) access = 'denied';
if (isRestricted) access = 'restricted';
$log.debug('Camera access is ' + access + '.');
$log.debug('Support for opening device settings is ' + _orIsNot(canOpenSettings) + 'available on this platform.');
$log.debug('A light is ' + _orIsNot(canEnableLight) + 'available on this platform.');
@ -47,7 +47,7 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
/**
* Immediately return known capabilities of the current platform.
*/
this.getCapabilities = function(){
this.getCapabilities = function() {
return {
isAvailable: isAvailable,
hasPermission: hasPermission,
@ -68,18 +68,18 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
* The `status` of QRScanner is returned to the callback.
*/
this.gentleInitialize = function(callback) {
if(initializeStarted && !isDesktop){
QRScanner.getStatus(function(status){
if (initializeStarted && !isDesktop) {
QRScanner.getStatus(function(status) {
_completeInitialization(status, callback);
});
return;
}
initializeStarted = true;
$log.debug('Trying to pre-initialize QRScanner.');
if(!isDesktop){
QRScanner.getStatus(function(status){
if (!isDesktop) {
QRScanner.getStatus(function(status) {
_checkCapabilities(status);
if(status.authorized){
if (status.authorized) {
$log.debug('Camera permission already granted.');
initialize(callback);
} else {
@ -92,14 +92,14 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
}
};
function initialize(callback){
function initialize(callback) {
$log.debug('Initializing scanner...');
QRScanner.prepare(function(err, status){
if(err){
QRScanner.prepare(function(err, status) {
if (err) {
isAvailable = false;
$log.error(err);
// does not return `status` if there is an error
QRScanner.getStatus(function(status){
QRScanner.getStatus(function(status) {
_completeInitialization(status, callback);
});
} else {
@ -112,18 +112,19 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
// This could be much cleaner with a Promise API
// (needs a polyfill for some platforms)
var initializeCompleted = false;
function _completeInitialization(status, callback){
function _completeInitialization(status, callback) {
_checkCapabilities(status);
initializeCompleted = true;
$rootScope.$emit('scannerServiceInitialized');
if(typeof callback === "function"){
if (typeof callback === "function") {
callback(status);
}
}
this.isInitialized = function(){
this.isInitialized = function() {
return initializeCompleted;
};
this.initializeStarted = function(){
this.initializeStarted = function() {
return initializeStarted;
};
@ -140,21 +141,21 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
*/
this.activate = function(callback) {
$log.debug('Activating scanner...');
QRScanner.show(function(status){
initializeCompleted = true;
_checkCapabilities(status);
if(typeof callback === "function"){
callback(status);
}
});
if(nextHide !== null){
$timeout.cancel(nextHide);
nextHide = null;
}
if(nextDestroy !== null){
$timeout.cancel(nextDestroy);
nextDestroy = null;
QRScanner.show(function(status) {
initializeCompleted = true;
_checkCapabilities(status);
if (typeof callback === "function") {
callback(status);
}
});
if (nextHide !== null) {
$timeout.cancel(nextHide);
nextHide = null;
}
if (nextDestroy !== null) {
$timeout.cancel(nextDestroy);
nextDestroy = null;
}
};
/**
@ -193,18 +194,18 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
// Natively hide the QRScanner's preview
// On mobile platforms, this can reduce GPU/power usage
// On desktop, this fully turns off the camera (and any associated privacy lights)
function _hide(){
function _hide() {
$log.debug('Scanner not in use for ' + hideAfterSeconds + ' seconds, hiding...');
QRScanner.hide();
}
// Reduce QRScanner power/processing consumption by the maximum amount
function _destroy(){
function _destroy() {
$log.debug('Scanner not in use for ' + destroyAfterSeconds + ' seconds, destroying...');
QRScanner.destroy();
}
this.reinitialize = function(callback){
this.reinitialize = function(callback) {
initializeCompleted = false;
QRScanner.destroy();
initialize(callback);
@ -217,17 +218,18 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
*/
this.toggleLight = function(callback) {
$log.debug('Toggling light...');
if(lightEnabled){
if (lightEnabled) {
QRScanner.disableLight(_handleResponse);
} else {
QRScanner.enableLight(_handleResponse);
}
function _handleResponse(err, status){
if(err){
function _handleResponse(err, status) {
if (err) {
$log.error(err);
} else {
lightEnabled = status.lightEnabled;
var state = lightEnabled? 'enabled' : 'disabled';
var state = lightEnabled ? 'enabled' : 'disabled';
$log.debug('Light ' + state + '.');
}
callback(lightEnabled);
@ -241,16 +243,17 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
* is complete.
*/
this.toggleCamera = function(callback) {
var nextCamera = backCamera? 1 : 0;
function cameraToString(index){
return index === 1? 'front' : 'back'; // front = 1, back = 0
var nextCamera = backCamera ? 1 : 0;
function cameraToString(index) {
return index === 1 ? 'front' : 'back'; // front = 1, back = 0
}
$log.debug('Toggling to the ' + cameraToString(nextCamera) + ' camera...');
QRScanner.useCamera(nextCamera, function(err, status){
if(err){
QRScanner.useCamera(nextCamera, function(err, status) {
if (err) {
$log.error(err);
}
backCamera = status.currentCamera === 1? false : true;
backCamera = status.currentCamera === 1 ? false : true;
$log.debug('Camera toggled. Now using the ' + cameraToString(backCamera) + ' camera.');
callback(status);
});
@ -260,4 +263,15 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
$log.debug('Attempting to open device settings...');
QRScanner.openSettings();
};
this.useOldScanner = function(callback) {
cordova.plugins.barcodeScanner.scan(
function(result) {
callback(null, result.text);
},
function(error) {
callback(error);
}
);
}
});