package com.mm.android.deviceaddmodule.mobilecommon.widget.sticky.stickygridheaders;

import android.view.View;
import android.view.ViewGroup;
import android.widget.ListAdapter;

/**
 * Adapter interface for StickyGridHeadersGridView. The adapter expects two sets of data, items, and
 * headers. Implement this interface to provide an optimised method for generating the header data
 * set. The is a second interface
 * {@link StickyGridHeadersBaseAdapter}.
 */
public interface StickyGridHeadersSimpleAdapter extends ListAdapter {
    /**
     * Get the header id associated with the specified position in the list.
     * 
     * @param position
     *            The position of the item within the adapter's data set whose header id we want.
     * @return The id of the header at the specified position.
     */
    long getHeaderId(int position);

    /**
     * Get a View that displays the header data at the specified position in the set. You can either
     * create a View manually or inflate it from an XML layout file.
     * 
     * @param position
     *            The position of the header within the adapter's header data set.
     * @param convertView
     *            The old view to reuse, if possible. Note: You should check that this view is
     *            non-null and of an appropriate type before using. If it is not possible to convert
     *            this view to display the correct data, this method can create a new view.
     * @param parent
     *            The parent that this view will eventually be attached to.
     * @return A View corresponding to the data at the specified position.
     */
    View getHeaderView(int position, View convertView, ViewGroup parent);
}