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Merge pull request #5440 from bitjson/bug/desktop-scanner

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Improve scanner handling on all platforms
This commit is contained in:
Gustavo Maximiliano Cortez 2017-01-24 14:38:30 -03:00 • committed by GitHub
commit cfb22c2acd
2 changed files with 15 additions and 12 deletions
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9
src/js/controllers/tab-scan.js
View file

@ -57,8 +57,10 @@ angular.module('copayApp.controllers').controller('tabScanController', function(
$scope.$on("$ionicView.afterEnter", function() {
// try initializing and refreshing status any time the view is entered
scannerService.gentleInitialize();
scannerService.resumePreview();
if(!scannerService.isInitialized()){
scannerService.gentleInitialize();
}
activate();
});
function activate(){
@ -79,6 +81,8 @@ angular.module('copayApp.controllers').controller('tabScanController', function(
handleSuccessfulScan(contents);
}
});
// resume preview if paused
scannerService.resumePreview();
});
});
}
@ -101,7 +105,6 @@ angular.module('copayApp.controllers').controller('tabScanController', function(
}
$rootScope.$on('incomingDataMenu.menuHidden', function() {
scannerService.resumePreview();
activate();
});

18
src/js/services/scannerService.js
View file

@ -8,8 +8,9 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
var backCamera = true; // the plugin defaults to the back camera
// Initalize known capabilities
var isAvailable = isDesktop? false: true; // assume camera exists on mobile
var hasPermission = isDesktop? true: false; // assume desktop has permission
// Assume camera is available. If init fails, we'll set this to false.
var isAvailable = true;
var hasPermission = false;
var isDenied = false;
var isRestricted = false;
var canEnableLight = false;
@ -67,7 +68,7 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
* The `status` of QRScanner is returned to the callback.
*/
this.gentleInitialize = function(callback) {
if(initializeStarted){
if(initializeStarted && !isDesktop){
QRScanner.getStatus(function(status){
_completeInitialization(status, callback);
});
@ -87,8 +88,7 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
}
});
} else {
$log.debug('Camera permission assumed on desktop.');
initialize(callback);
$log.debug('To avoid flashing the privacy light, we do not pre-initialize the camera on desktop.');
}
};
@ -96,14 +96,13 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
$log.debug('Initializing scanner...');
QRScanner.prepare(function(err, status){
if(err){
isAvailable = false;
$log.error(err);
// does not return `status` if there is an error
QRScanner.getStatus(function(status){
_completeInitialization(status, callback);
});
} else {
isAvailable = true;
_completeInitialization(status, callback);
}
});
@ -130,8 +129,8 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
var nextHide = null;
var nextDestroy = null;
var hideAfterSeconds = 10;
var destroyAfterSeconds = 5 * 60;
var hideAfterSeconds = 5;
var destroyAfterSeconds = 60;
/**
* (Re)activate the QRScanner, and cancel the timeouts if present.
@ -142,6 +141,7 @@ angular.module('copayApp.services').service('scannerService', function($log, $ti
this.activate = function(callback) {
$log.debug('Activating scanner...');
QRScanner.show(function(status){
initializeCompleted = true;
_checkCapabilities(status);
if(typeof callback === "function"){
callback(status);