From 5e98e60d7da203be9193cfa5038231d85963e4b0 Mon Sep 17 00:00:00 2001
From: Thomas <tschneider.ac@gmail.com>
Date: Mon, 30 May 2022 18:33:43 +0200
Subject: [PATCH] Fix issue #103 - Scroll to top for notifications when taping
 the bottom item menu.

---
 .../java/app/fedilab/android/BaseMainActivity.java   |  4 ++++
 .../timeline/FragmentNotificationContainer.java      | 12 ++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/app/src/main/java/app/fedilab/android/BaseMainActivity.java b/app/src/main/java/app/fedilab/android/BaseMainActivity.java
index 97ea333ea..27fae89bf 100644
--- a/app/src/main/java/app/fedilab/android/BaseMainActivity.java
+++ b/app/src/main/java/app/fedilab/android/BaseMainActivity.java
@@ -116,6 +116,7 @@ import app.fedilab.android.helper.ThemeHelper;
 import app.fedilab.android.ui.fragment.timeline.FragmentMastodonConversation;
 import app.fedilab.android.ui.fragment.timeline.FragmentMastodonNotification;
 import app.fedilab.android.ui.fragment.timeline.FragmentMastodonTimeline;
+import app.fedilab.android.ui.fragment.timeline.FragmentNotificationContainer;
 import app.fedilab.android.viewmodel.mastodon.AccountsVM;
 import app.fedilab.android.viewmodel.mastodon.InstancesVM;
 import app.fedilab.android.viewmodel.mastodon.TimelinesVM;
@@ -893,6 +894,9 @@ public abstract class BaseMainActivity extends BaseActivity implements NetworkSt
             } else if (fragment instanceof FragmentMastodonConversation) {
                 FragmentMastodonConversation fragmentMastodonConversation = ((FragmentMastodonConversation) fragment);
                 fragmentMastodonConversation.scrollToTop();
+            } else if (fragment instanceof FragmentNotificationContainer) {
+                FragmentNotificationContainer fragmentNotificationContainer = ((FragmentNotificationContainer) fragment);
+                fragmentNotificationContainer.scrollToTop();
             }
         }
     }
diff --git a/app/src/main/java/app/fedilab/android/ui/fragment/timeline/FragmentNotificationContainer.java b/app/src/main/java/app/fedilab/android/ui/fragment/timeline/FragmentNotificationContainer.java
index 65aeb3b41..74b7e613d 100644
--- a/app/src/main/java/app/fedilab/android/ui/fragment/timeline/FragmentNotificationContainer.java
+++ b/app/src/main/java/app/fedilab/android/ui/fragment/timeline/FragmentNotificationContainer.java
@@ -61,6 +61,18 @@ public class FragmentNotificationContainer extends Fragment {
     }
 
 
+    public void scrollToTop() {
+        if (binding != null) {
+            FedilabNotificationPageAdapter fedilabNotificationPageAdapter = ((FedilabNotificationPageAdapter) binding.viewpager.getAdapter());
+            if (fedilabNotificationPageAdapter != null) {
+                FragmentMastodonNotification fragmentMastodonNotification = (FragmentMastodonNotification) fedilabNotificationPageAdapter.getCurrentFragment();
+                if (fragmentMastodonNotification != null) {
+                    fragmentMastodonNotification.scrollToTop();
+                }
+            }
+        }
+    }
+
     @SuppressLint("ApplySharedPref")
     @Override
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {