Add progress dialog

decryption.go

@@ -11,15 +11,42 @@ package wiiudownloader
 import "C"
 import (
 	"fmt"
+	"sync"
+	"time"
 	"unsafe"
 )
 
-func decryptContents(path string) error {
-	argv := make([]*C.char, 2)
-	argv[0] = C.CString("WiiUDownloader")
-	argv[1] = C.CString(path)
-	if int(C.cdecrypt_main(2, (**C.char)(unsafe.Pointer(&argv[0])))) != 0 {
+var (
+	wg              sync.WaitGroup
+	decryptionDone  = false
+	decryptionError = false
+)
+
+func decryptContents(path string, progress *int) error {
+	wg.Add(1)
+	go runDecryption(path, progress)
+	for !decryptionDone {
+		fmt.Println(*progress)
+		time.Sleep(500 * time.Millisecond)
+	}
+
+	wg.Wait()
+
+	if decryptionError {
+		decryptionDone = false
+		decryptionError = false
 		return fmt.Errorf("decryption failed")
 	}
 	return nil
 }
+
+func runDecryption(path string, progress *int) {
+	defer wg.Done()
+	argv := make([]*C.char, 2)
+	argv[0] = C.CString("WiiUDownloader")
+	argv[1] = C.CString(path)
+	if int(C.cdecrypt_main(2, (**C.char)(unsafe.Pointer(&argv[0])), (*C.int)(unsafe.Pointer(progress)))) != 0 {
+		decryptionError = true
+	}
+	decryptionDone = true
+}