imporve tradehandler class.

2 files changed, 7 insertions, 6 deletions

diff --git a/src/net/ea/tradehandler.cpp b/src/net/ea/tradehandler.cpp
index 961f8ff62..b4aca1041 100644
--- a/src/net/ea/tradehandler.cpp
+++ b/src/net/ea/tradehandler.cpp
@@ -67,7 +67,8 @@ TradeHandler::TradeHandler()
     confirmDlg = nullptr;
 }
 
-void TradeHandler::removeItem(int slotNum A_UNUSED, int amount A_UNUSED)
+void TradeHandler::removeItem(const int slotNum A_UNUSED,
+                              const int amount A_UNUSED) const
 {
     // TODO
 }
@@ -87,7 +88,7 @@ void TradeHandler::processTradeRequest(Net::MessageIn &msg)
     {
         if (PlayerInfo::isTrading() || confirmDlg)
         {
-            Net::getTradeHandler()->respond(false);
+            respond(false);
             return;
         }
 
@@ -106,13 +107,13 @@ void TradeHandler::processTradeRequest(Net::MessageIn &msg)
             }
             else
             {
-                Net::getTradeHandler()->respond(true);
+                respond(true);
             }
         }
     }
     else
     {
-        Net::getTradeHandler()->respond(false);
+        respond(false);
         return;
     }
 }
@@ -123,7 +124,7 @@ void TradeHandler::processTradeResponse(Net::MessageIn &msg)
         || !player_relations.hasPermission(tradePartnerName,
         PlayerRelation::TRADE))
     {
-        Net::getTradeHandler()->respond(false);
+        respond(false);
         return;
     }
 
diff --git a/src/net/ea/tradehandler.h b/src/net/ea/tradehandler.h
index 7253f4e0a..b7be2704e 100644
--- a/src/net/ea/tradehandler.h
+++ b/src/net/ea/tradehandler.h
@@ -37,7 +37,7 @@ class TradeHandler : public Net::TradeHandler
 
         A_DELETE_COPY(TradeHandler)
 
-        void removeItem(int slotNum, int amount);
+        void removeItem(const int slotNum, const int amount) const override;
 
         void processTradeRequest(Net::MessageIn &msg);