jump to first unread message if was scrolled to bottom earlier

1 files changed, 16 insertions, 1 deletions

diff --git a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
index 30058dd1e..4ef1d95da 100644
--- a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
+++ b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
@@ -1982,6 +1982,12 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
             return false;
         }
         Log.d(Config.LOGTAG, "reInit(hasExtras=" + Boolean.toString(hasExtras) + ")");
+
+        if (this.conversation.isRead() && hasExtras) {
+            Log.d(Config.LOGTAG, "trimming conversation");
+            this.conversation.trim();
+        }
+
         setupIme();
 
         this.binding.textSendButton.setContentDescription(activity.getString(R.string.send_message_to_x, conversation.getName()));
@@ -1993,7 +1999,11 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
         refresh(false);
         this.conversation.messagesLoaded.set(true);
 
-        if (hasExtras) {
+        final boolean scrolledToBottomAndNoPending = this.scrolledToBottom() && pendingScrollState.peek() == null;
+
+        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + Boolean.toString(scrolledToBottomAndNoPending));
+
+        if (hasExtras || scrolledToBottomAndNoPending) {
             synchronized (this.messageList) {
                 Log.d(Config.LOGTAG, "jump to first unread message");
                 final Message first = conversation.getFirstUnreadMessage();
@@ -2022,6 +2032,11 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
         return true;
     }
 
+    private boolean scrolledToBottom() {
+        final ListView l = this.binding.messagesView;
+        return l.getLastVisiblePosition() == l.getAdapter().getCount() - 1 && l.getChildAt(l.getChildCount() - 1).getBottom() <= l.getHeight();
+    }
+
     private void processExtras(Bundle extras) {
         final String downloadUuid = extras.getString(ConversationActivity.EXTRA_DOWNLOAD_UUID);
         final String text = extras.getString(ConversationActivity.EXTRA_TEXT);