introduced sroll to bottom button

1 files changed, 19 insertions, 0 deletions

diff --git a/src/main/java/de/pixart/messenger/entities/Conversation.java b/src/main/java/de/pixart/messenger/entities/Conversation.java
index fa5e5ef60..8b3f06711 100644
--- a/src/main/java/de/pixart/messenger/entities/Conversation.java
+++ b/src/main/java/de/pixart/messenger/entities/Conversation.java
@@ -1110,6 +1110,25 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
                 && sentMessagesCount() == 0;
     }
 
+    public int getReceivedMessagesCountSinceUuid(String uuid) {
+        if (uuid == null) {
+            return 0;
+        }
+        int count = 0;
+        synchronized (this.messages) {
+            for (int i = messages.size() - 1; i >= 0; i--) {
+                final Message message = messages.get(i);
+                if (uuid.equals(message.getUuid())) {
+                    return count;
+                }
+                if (message.getStatus() <= Message.STATUS_RECEIVED) {
+                    ++count;
+                }
+            }
+        }
+        return 0;
+    }
+
     public interface OnMessageFound {
         void onMessageFound(final Message message);
     }