From 8a8441c875441b4e635cf2d5200369871035f9ac Mon Sep 17 00:00:00 2001
From: Viktor De Pasquale <info@depasquale.wiki>
Date: Wed, 17 Apr 2019 18:20:53 +0200
Subject: [PATCH] Added failure callback to fingerprint dialog

---
 .../view/dialogs/FingerprintAuthDialog.java   | 26 ++++++++++++++++---
 1 file changed, 22 insertions(+), 4 deletions(-)

diff --git a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/FingerprintAuthDialog.java b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/FingerprintAuthDialog.java
index d9f7642e2..eaf71b846 100644
--- a/app/src/main/java/com/topjohnwu/magisk/view/dialogs/FingerprintAuthDialog.java
+++ b/app/src/main/java/com/topjohnwu/magisk/view/dialogs/FingerprintAuthDialog.java
@@ -16,15 +16,18 @@ import com.topjohnwu.magisk.utils.FingerprintHelper;
 import com.topjohnwu.magisk.utils.Utils;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 
 @TargetApi(Build.VERSION_CODES.M)
 public class FingerprintAuthDialog extends CustomAlertDialog {
 
-    private Runnable callback;
+    private final Runnable callback;
+    @Nullable
+    private Runnable failureCallback;
     private DialogFingerprintHelper helper;
 
-    public FingerprintAuthDialog(@NonNull Activity activity, Runnable onSuccess) {
+    public FingerprintAuthDialog(@NonNull Activity activity, @NonNull Runnable onSuccess) {
         super(activity);
         callback = onSuccess;
         Drawable fingerprint = activity.getResources().getDrawable(R.drawable.ic_fingerprint);
@@ -37,13 +40,28 @@ public class FingerprintAuthDialog extends CustomAlertDialog {
         vh.messageView.setCompoundDrawablePadding(Utils.dpInPx(20));
         vh.messageView.setGravity(Gravity.CENTER);
         setMessage(R.string.auth_fingerprint);
-        setNegativeButton(R.string.close, (d, w) -> helper.cancel());
-        setOnCancelListener(d -> helper.cancel());
+        setNegativeButton(R.string.close, (d, w) -> {
+            helper.cancel();
+            if (failureCallback != null) {
+                failureCallback.run();
+            }
+        });
+        setOnCancelListener(d -> {
+            helper.cancel();
+            if (failureCallback != null) {
+                failureCallback.run();
+            }
+        });
         try {
             helper = new DialogFingerprintHelper();
         } catch (Exception ignored) {}
     }
 
+    public FingerprintAuthDialog(@NonNull Activity activity, @NonNull Runnable onSuccess, @NonNull Runnable onFailure) {
+        this(activity, onSuccess);
+        failureCallback = onFailure;
+    }
+
     @Override
     public AlertDialog show() {
         create();