BaseCursorAdapter.java

package com.mcxiaoke.minicat.adapter;

import android.content.Context;
import android.database.Cursor;
import android.view.LayoutInflater;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.CursorAdapter;
import com.nostra13.universalimageloader.core.ImageLoader;

/**
 * @author mcxiaoke
 * @version 2.1 2012.02.27
 */
public abstract class BaseCursorAdapter extends CursorAdapter implements
        OnScrollListener {

    protected Context mContext;
    protected LayoutInflater mInflater;
    protected ImageLoader mImageLoader;
    protected boolean busy;

    public BaseCursorAdapter(Context context) {
        super(context, null, true);
        initialize(context);
    }

    public BaseCursorAdapter(Context context, Cursor c) {
        super(context, c, true);
        initialize(context);
    }

    private void initialize(Context context) {
        this.mContext = context;
        this.mInflater = LayoutInflater.from(mContext);
        this.mImageLoader = ImageLoader.getInstance();
    }

    protected int getLayoutId() {
        return -1;
    }

    @Override
    public void onScrollStateChanged(AbsListView view, int scrollState) {
        switch (scrollState) {
            case OnScrollListener.SCROLL_STATE_IDLE:
                busy = false;
                break;
            case OnScrollListener.SCROLL_STATE_TOUCH_SCROLL:
                busy = true;
                break;
            case OnScrollListener.SCROLL_STATE_FLING:
                busy = true;
                break;
        }
    }

    @Override
    public void onScroll(AbsListView view, int firstVisibleItem,
                         int visibleItemCount, int totalItemCount) {
    }

}