Wrapper around android android.database.Cursor which allows to skip number of items by the their position

CursorWithDelete.java

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

import android.database.AbstractCursor;
import android.database.Cursor;

/**
 * Extended solution of U Avalos taken from here
 * http://stackoverflow.com/a/18139147/527759 
 * 
 * This is a wrapper around android
 * Cursor which may be used in the CursorAdapter to support item deletion
 * without cursor requery or data reload. 
 * 
 * Cursor allows to add multiple indexes
 * which should be skipped during iterations.
 * 
 * @author Eugene Popovich, U Avalos
 */
public class CursorWithDelete extends AbstractCursor {
    private List<Integer> positionsToIgnore = new ArrayList<Integer>();
    private Cursor cursor;

    public CursorWithDelete(Cursor cursor) {
        this.cursor = cursor;
    }

    @Override
    public boolean onMove(int oldPosition, int newPosition) {
        cursor.moveToPosition(adjustPosition(newPosition));
        return true;
    }

    public int adjustPosition(int newPosition) {
        int ix = Collections.binarySearch(positionsToIgnore, newPosition);
        if (ix < 0) {
            ix = -ix - 1;
        } else {
            ix++;
        }
        int newPos;
        int lastRemovedPosition;
        do {
            newPos = newPosition + ix;
            lastRemovedPosition = positionsToIgnore.size() == ix ? -1 : positionsToIgnore.get(ix);
            ix++;
        } while (lastRemovedPosition >= 0 && newPos >= lastRemovedPosition);
        return newPos;
    }

    @Override
    public int getCount() {
        return cursor.getCount() - positionsToIgnore.size();
    }

    @Override
    public String[] getColumnNames() {
        return cursor.getColumnNames();
    }

    @Override
    public String getString(int column) {
        return cursor.getString(column);
    }

    @Override
    public short getShort(int column) {
        return cursor.getShort(column);
    }

    @Override
    public int getInt(int column) {
        return cursor.getInt(column);
    }

    @Override
    public long getLong(int column) {
        return cursor.getLong(column);
    }

    @Override
    public float getFloat(int column) {
        return cursor.getFloat(column);
    }

    @Override
    public double getDouble(int column) {
        return cursor.getDouble(column);
    }

    @Override
    public boolean isNull(int column) {
        return cursor.isNull(column);
    }

    /**
     * Call if you want to hide some position from the result
     * 
     * @param position in the AdapterView, not the cursor position
     */
    public void deleteItem(int position) {
        position = adjustPosition(position);
        int ix = Collections.binarySearch(positionsToIgnore, position);
        positionsToIgnore.add(-ix - 1, position);
    }
}