Stop conversations without meaningful messages from showing in list.

app/src/main/java/org/thoughtcrime/securesms/database/MmsSmsDatabase.java

@@ -254,6 +254,13 @@ public class MmsSmsDatabase extends Database {
            DatabaseFactory.getMmsDatabase(context).getMessageCountForThread(threadId, beforeTime);
   }
 
+  public int getConversationCountForThreadSummary(long threadId) {
+    int count = DatabaseFactory.getSmsDatabase(context).getMessageCountForThreadSummary(threadId);
+    count    += DatabaseFactory.getMmsDatabase(context).getMessageCountForThread(threadId);
+
+    return count;
+  }
+
   public int getInsecureSentCount(long threadId) {
     int count  = DatabaseFactory.getSmsDatabase(context).getInsecureMessagesSentForThread(threadId);
     count     += DatabaseFactory.getMmsDatabase(context).getInsecureMessagesSentForThread(threadId);

app/src/main/java/org/thoughtcrime/securesms/database/SmsDatabase.java

@@ -48,6 +48,7 @@ import org.thoughtcrime.securesms.sms.IncomingTextMessage;
 import org.thoughtcrime.securesms.sms.OutgoingTextMessage;
 import org.thoughtcrime.securesms.util.Base64;
 import org.thoughtcrime.securesms.util.JsonUtils;
+import org.thoughtcrime.securesms.util.SqlUtil;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.whispersystems.libsignal.util.guava.Optional;
 
@@ -226,6 +227,26 @@ public class SmsDatabase extends MessagingDatabase {
     }
   }
 
+  public int getMessageCountForThreadSummary(long threadId) {
+    SQLiteDatabase db = databaseHelper.getReadableDatabase();
+
+    String[] cols  = { "COUNT(*)" };
+    String   query = THREAD_ID + " = ? AND (NOT " + TYPE + " & ? AND TYPE != ?)";
+    long     type  = Types.END_SESSION_BIT | Types.KEY_EXCHANGE_IDENTITY_UPDATE_BIT | Types.KEY_EXCHANGE_IDENTITY_VERIFIED_BIT;
+    String[] args  = SqlUtil.buildArgs(threadId, type, Types.PROFILE_CHANGE_TYPE);
+
+    try (Cursor cursor = db.query(TABLE_NAME, cols, query, args, null, null, null)) {
+      if (cursor != null && cursor.moveToFirst()) {
+        int count = cursor.getInt(0);
+        if (count > 0) {
+          return getMessageCountForThread(threadId);
+        }
+      }
+    }
+
+    return 0;
+  }
+
   public int getMessageCountForThread(long threadId) {
     SQLiteDatabase db = databaseHelper.getReadableDatabase();
 

app/src/main/java/org/thoughtcrime/securesms/database/ThreadDatabase.java

@@ -887,7 +887,7 @@ public class ThreadDatabase extends Database {
 
   public boolean update(long threadId, boolean unarchive, boolean allowDeletion) {
     MmsSmsDatabase mmsSmsDatabase = DatabaseFactory.getMmsSmsDatabase(context);
-    long count                    = mmsSmsDatabase.getConversationCount(threadId);
+    long count                    = mmsSmsDatabase.getConversationCountForThreadSummary(threadId);
 
     if (count == 0) {
       if (allowDeletion) {