Fix directPrint issue with iOS 15

@@ -13,6 +13,7 @@
 - Enable usage of printer's settings on Windows [Alban Lecuivre]
 - Enable usage of printer's settings on Windows [Alban Lecuivre]
 - Update android projects (mavenCentral, compileSdkVersion 30, gradle:4.1.0)
 - Update android projects (mavenCentral, compileSdkVersion 30, gradle:4.1.0)
 - Use syscall(SYS_memfd_create) instead of glibc function memfd_create [Obezyan]
 - Use syscall(SYS_memfd_create) instead of glibc function memfd_create [Obezyan]
+- Fix directPrint issue with iOS 15
 
 
 ## 5.6.6
 ## 5.6.6
 
 

@@ -70,12 +70,13 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
             return
             return
         }
         }
 
 
+        DispatchQueue.main.async { [self] in
             let controller = UIPrintInteractionController.shared
             let controller = UIPrintInteractionController.shared
             controller.delegate = self
             controller.delegate = self
 
 
             let printInfo = UIPrintInfo.printInfo()
             let printInfo = UIPrintInfo.printInfo()
             printInfo.jobName = jobName!
             printInfo.jobName = jobName!
-        DispatchQueue.main.async { printInfo.outputType = .general }
+            printInfo.outputType = .general
             if orientation != nil {
             if orientation != nil {
                 printInfo.orientation = orientation!
                 printInfo.orientation = orientation!
                 orientation = nil
                 orientation = nil
@@ -83,7 +84,6 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
             controller.printInfo = printInfo
             controller.printInfo = printInfo
             controller.printPageRenderer = self
             controller.printPageRenderer = self
 
 
-        DispatchQueue.main.async {
             if self.printerName != nil {
             if self.printerName != nil {
                 let printerURL = URL(string: self.printerName!)
                 let printerURL = URL(string: self.printerName!)
 
 
@@ -93,7 +93,14 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
                 }
                 }
 
 
                 let printer = UIPrinter(url: printerURL!)
                 let printer = UIPrinter(url: printerURL!)
+                printer.contactPrinter { available -> Void in
+                    if !available {
+                        printing.onCompleted(printJob: self, completed: false, error: "Printer not available")
+                        return
+                    }
+
                     controller.print(to: printer, completionHandler: self.completionHandler)
                     controller.print(to: printer, completionHandler: self.completionHandler)
+                }
             } else {
             } else {
                 controller.present(animated: true, completionHandler: self.completionHandler)
                 controller.present(animated: true, completionHandler: self.completionHandler)
             }
             }