Inventory listener

package dependencies.trackers;

import java.util.ArrayList;
import java.util.List;

import org.osbot.rs07.api.model.Item;
import org.osbot.rs07.script.Script;

@SuppressWarnings("deprecation")
public class InventoryTrackers implements Runnable	{

	public static interface InventoryTracker	{
		public void handleAdded(Item item);	
		public void handleRemoved(Item item);
	}
	
 	private List<Item> current = new ArrayList<Item>();
 	private InventoryTracker event;
 	private boolean isRunning = true;
	private Script s;
	
	public InventoryTrackers(Script script, InventoryTracker e) {
		this.event = e;
		this.s = script;
		updateItems();
	}

	public void run() {
		while (isRunning)	{
			process(event);
			try {
				Thread.sleep(1200);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
	}
	
	public void stop()	{
		this.isRunning = false;
	}
	
	public void updateItems()	{
		current.clear();
		
		if (s.inventory.getItems() != null)	{
			for (Item item: s.inventory.getItems())	{
				if (item != null) {
					current.add(item);
				}else{
					current.add(new Item(-1, -1));
				}
			}			
		}
	}

	public void process(InventoryTracker e)	{	
		List<Item> ourItems = current;
		List<Item> newItems = getNewList();

		for (int i = 0; i < ourItems.size(); i++)	{
			Item ourItem = ourItems.get(i);
			Item newItem = newItems.get(i);
			
			if (ourItem.getId() != newItem.getId())	{
				e.handleRemoved(ourItem);
				e.handleAdded(newItem);
			}
			else if (ourItem.getAmount() != newItem.getAmount())	{
				if (ourItem.getAmount() < newItem.getAmount())	{
					e.handleAdded(newItem);
				}else{
					e.handleRemoved(ourItem);
				}
			}			
		}
		updateItems();
	}
	
	private List<Item> getNewList()	{
		List<Item> list = new ArrayList<Item>();
		
		if (s.inventory.getItems() != null)	{
			for (Item item: s.inventory.getItems())	{
				if (item != null) {
					list.add(item);
				}else{
					list.add(new Item(-1, -1));
				}
			}			
		}
		return list;
	}
}