--- ../work/decompile-8eb82bde//net/minecraft/server/InventorySubcontainer.java	2014-11-28 17:43:43.213707432 +0000
+++ src/main/java/net/minecraft/server/InventorySubcontainer.java	2014-11-28 17:38:23.000000000 +0000
@@ -3,6 +3,12 @@
 import com.google.common.collect.Lists;
 import java.util.List;
 
+// CraftBukkit start
+import java.util.List;
+import org.bukkit.craftbukkit.entity.CraftHumanEntity;
+import org.bukkit.entity.HumanEntity;
+// CraftBukkit end
+
 public class InventorySubcontainer implements IInventory {
 
     private String a;
@@ -10,8 +16,43 @@
     public ItemStack[] items;
     private List d;
     private boolean e;
+    
+    // CraftBukkit start - add fields and methods
+    public List<HumanEntity> transaction = new java.util.ArrayList<HumanEntity>();
+    private int maxStack = MAX_STACK;
+    protected org.bukkit.inventory.InventoryHolder bukkitOwner;
+
+    public ItemStack[] getContents() {
+        return this.items;
+    }
+
+    public void onOpen(CraftHumanEntity who) {
+        transaction.add(who);
+    }
 
+    public void onClose(CraftHumanEntity who) {
+        transaction.remove(who);
+    }
+
+    public List<HumanEntity> getViewers() {
+        return transaction;
+    }
+
+    public void setMaxStackSize(int i) {
+        maxStack = i;
+    }
+
+    public org.bukkit.inventory.InventoryHolder getOwner() {
+        return bukkitOwner;
+    }
+    
     public InventorySubcontainer(String s, boolean flag, int i) {
+        this(s, flag, i, null);
+    }
+
+    public InventorySubcontainer(String s, boolean flag, int i, org.bukkit.inventory.InventoryHolder owner) { // Added argument 
+        this.bukkitOwner = owner;
+    // CraftBukkit end
         this.a = s;
         this.e = flag;
         this.b = i;