From 7c0551f24811573d7a825fa7f6f5b42277ea20de Mon Sep 17 00:00:00 2001
From: Thibault Deckers <thibault.deckers@gmail.com>
Date: Wed, 24 Mar 2021 16:40:00 +0900
Subject: [PATCH] fixed navigation stack when app is used to view external
 content and the app was already open on viewer page

---
 lib/widgets/home_page.dart | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/widgets/home_page.dart b/lib/widgets/home_page.dart
index 9e328365d..3b1c56f1b 100644
--- a/lib/widgets/home_page.dart
+++ b/lib/widgets/home_page.dart
@@ -106,7 +106,13 @@ class _HomePageState extends State<HomePage> {
       unawaited(source.refresh());
     }
 
-    unawaited(Navigator.pushReplacement(context, _getRedirectRoute(appMode)));
+    // `pushReplacement` is not enough in some edge cases
+    // e.g. when opening the viewer in `view` mode should replace a viewer in `main` mode
+    unawaited(Navigator.pushAndRemoveUntil(
+      context,
+      _getRedirectRoute(appMode),
+      (route) => false,
+    ));
   }
 
   Future<AvesEntry> _initViewerEntry({@required String uri, @required String mimeType}) async {