From 27b7d6e22c86891b6ba267c91fff8542c8426657 Mon Sep 17 00:00:00 2001
From: Michael Shafrir <45020849+mshafrir-stripe@users.noreply.github.com>
Date: Mon, 8 Jun 2020 14:17:59 -0400
Subject: [PATCH] Update PaymentAuthWebViewActivity back button behavior
 (#2554)

If `PaymentAuthWebViewActivity`'s `WebView` can go back, do that instead
of finishing the Activity.
---
 .../com/stripe/android/view/PaymentAuthWebViewActivity.kt   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/stripe/src/main/java/com/stripe/android/view/PaymentAuthWebViewActivity.kt b/stripe/src/main/java/com/stripe/android/view/PaymentAuthWebViewActivity.kt
index ec1a7a633bc..e7d2b8d11c1 100644
--- a/stripe/src/main/java/com/stripe/android/view/PaymentAuthWebViewActivity.kt
+++ b/stripe/src/main/java/com/stripe/android/view/PaymentAuthWebViewActivity.kt
@@ -101,7 +101,11 @@ class PaymentAuthWebViewActivity : AppCompatActivity() {
     }
 
     override fun onBackPressed() {
-        cancelIntentSource()
+        if (viewBinding.authWebView.canGoBack()) {
+            viewBinding.authWebView.goBack()
+        } else {
+            cancelIntentSource()
+        }
     }
 
     private fun cancelIntentSource() {