keep position with remote conversations

app/src/main/java/app/fedilab/android/mastodon/activities/ContextActivity.java

@@ -62,6 +62,7 @@ public class ContextActivity extends BaseActivity implements FragmentMastodonCon
     private Status firstMessage;
     private String remote_instance;
     private Status focusedStatus;
+    private String focusedStatusURI;
     private boolean checkRemotely;
 
     @Override
@@ -91,11 +92,16 @@ public class ContextActivity extends BaseActivity implements FragmentMastodonCon
         if (b != null) {
             focusedStatus = (Status) b.getSerializable(Helper.ARG_STATUS);
             remote_instance = b.getString(Helper.ARG_REMOTE_INSTANCE, null);
+            focusedStatusURI = b.getString(Helper.ARG_FOCUSED_STATUS_URI, null);
+
         }
         if (focusedStatus == null || currentAccount == null || currentAccount.mastodon_account == null) {
             finish();
             return;
         }
+        if (focusedStatusURI == null && remote_instance == null) {
+            focusedStatusURI = focusedStatus.uri;
+        }
         MastodonHelper.loadPPMastodon(binding.profilePicture, currentAccount.mastodon_account);
 
         checkRemotely = sharedpreferences.getBoolean(getString(R.string.SET_CONVERSATION_REMOTELY), false);
@@ -236,6 +242,7 @@ public class ContextActivity extends BaseActivity implements FragmentMastodonCon
                                     Bundle bundle = new Bundle();
                                     bundle.putSerializable(Helper.ARG_STATUS, status);
                                     bundle.putString(Helper.ARG_REMOTE_INSTANCE, finalInstance);
+                                    bundle.putString(Helper.ARG_FOCUSED_STATUS_URI, focusedStatusURI);
                                     FragmentMastodonContext fragmentMastodonContext = new FragmentMastodonContext();
                                     fragmentMastodonContext.firstMessage = ContextActivity.this;
                                     currentFragment = Helper.addFragment(getSupportFragmentManager(), R.id.nav_host_fragment_content_main, fragmentMastodonContext, bundle, null, null);
@@ -281,6 +288,7 @@ public class ContextActivity extends BaseActivity implements FragmentMastodonCon
                         if (status != null) {
                             Intent intentContext = new Intent(ContextActivity.this, ContextActivity.class);
                             intentContext.putExtra(Helper.ARG_STATUS, status);
+                            intentContext.putExtra(Helper.ARG_FOCUSED_STATUS_URI, focusedStatusURI);
                             intentContext.putExtra(Helper.ARG_REMOTE_INSTANCE, finalInstance);
                             intentContext.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                             startActivity(intentContext);

app/src/main/java/app/fedilab/android/mastodon/helper/Helper.java

@@ -214,6 +214,7 @@ public class Helper {
     public static final String ARG_NOTIFICATION_TYPE = "ARG_NOTIFICATION_TYPE";
     public static final String ARG_EXCLUDED_NOTIFICATION_TYPE = "ARG_EXCLUDED_NOTIFICATION_TYPE";
     public static final String ARG_STATUS = "ARG_STATUS";
+    public static final String ARG_FOCUSED_STATUS_URI = "ARG_FOCUSED_STATUS_URI";
     public static final String ARG_TIMELINE_REFRESH_ALL = "ARG_TIMELINE_REFRESH_ALL";
     public static final String ARG_REFRESH_NOTFICATION = "ARG_REFRESH_NOTFICATION";
     public static final String ARG_STATUS_DELETED = "ARG_STATUS_DELETED";

app/src/main/java/app/fedilab/android/mastodon/ui/fragment/timeline/FragmentMastodonContext.java

@@ -124,7 +124,7 @@ public class FragmentMastodonContext extends Fragment {
         }
     };
     private Status focusedStatus;
-    private String remote_instance;
+    private String remote_instance, focusedStatusURI;
     private Status firstStatus;
     private boolean pullToRefresh;
     private String user_token, user_instance;
@@ -153,9 +153,11 @@ public class FragmentMastodonContext extends Fragment {
 
         focusedStatus = null;
         pullToRefresh = false;
+        focusedStatusURI = null;
         if (getArguments() != null) {
             focusedStatus = (Status) getArguments().getSerializable(Helper.ARG_STATUS);
             remote_instance = getArguments().getString(Helper.ARG_REMOTE_INSTANCE, null);
+            focusedStatusURI = getArguments().getString(Helper.ARG_FOCUSED_STATUS_URI, null);
         }
         if (remote_instance != null) {
             user_instance = remote_instance;
@@ -264,7 +266,22 @@ public class FragmentMastodonContext extends Fragment {
         }
         binding.recyclerView.addItemDecoration(new DividerDecoration(requireActivity(), statuses));
         binding.swipeContainer.setRefreshing(false);
+        if (focusedStatusURI == null) {
             binding.recyclerView.scrollToPosition(statusPosition);
+        } else {
+            int position = 0;
+            boolean found = false;
+            for (Status status : statuses) {
+                if (status.uri.compareToIgnoreCase(focusedStatusURI) == 0) {
+                    found = true;
+                    break;
+                }
+                position++;
+            }
+            if (found) {
+                binding.recyclerView.scrollToPosition(position);
+            }
+        }
     }
 
     @Override