DownLoadAdapter.java

package com.joyplus.download;

import java.util.List;

import com.androidquery.AQuery;
import com.androidquery.AbstractAQuery;
import com.joyplus.R;
import com.joyplus.R.id;

import android.content.Context;
import android.text.TextPaint;
import com.joyplus.widget.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;

public class DownLoadAdapter extends BaseAdapter{ 
	private static final int MAX = 100;
	
	private LayoutInflater mInflater;
	
	private List<DownloadInfo> data;
	private Context context;
	private OnClickListener click;
	private AQuery aqtemp;
	
	public DownLoadAdapter(Context context,List<DownloadInfo> data) {
		this.context=context;
		mInflater = LayoutInflater.from(context);
		this.data=data;
	}
	public void refresh(List<DownloadInfo> data) {
		this.data=data;
		this.notifyDataSetChanged();
	}
	public void setOnclick(OnClickListener click) {
		 this.click=click;
	}
	
	@Override
	public int getCount() {
		return data.size();//只是为了测试随便设置的一个数字，后面要删除掉
	}

	@Override
	public Object getItem(int position) {
		return data.get(position);
	}

	@Override
	public long getItemId(int position) {
		return position;
	}

	@Override
	public View getView(final int position, View convertView, ViewGroup parent) {
		ViewHolder holder = null;
		if (convertView == null) {
			
			convertView = mInflater.inflate(R.layout.item_download, null);
			holder = new ViewHolder(); 
			holder.resourceDownloadName = (TextView)convertView.findViewById(R.id.downloadfilename);
			holder.resouceDownloadState = (TextView)convertView.findViewById(R.id.download_state);
			holder.resourceImage = (ImageView)convertView.findViewById(R.id.movieImageview);
			holder.resourceDownProgress =(ProgressBar)convertView.findViewById(R.id.downloadprogress);
			holder.resourcePercentDown = (TextView)convertView.findViewById(R.id.precentDownload); 
			holder.down_wait = (ImageView)convertView.findViewById(R.id.down_wait);
			holder.down_pause = (ImageView)convertView.findViewById(R.id.down_pause);
			holder.down_downing = (ImageView)convertView.findViewById(R.id.down_downing);
			convertView.setTag(holder);
		} else {
			holder = (ViewHolder) convertView.getTag();
		}
		aqtemp = new AQuery(convertView);
		if(position<data.size())
		{
			DownloadInfo info = data.get(position);
			long completesize = info.getCompeleteSize();
			long filesize = info.getFileSize();
			long percent = 0;
			if(filesize == 0)
			{
				
			}
			else
			{
				percent =completesize*MAX/filesize;
			}
			String posterurl = info.getUrlposter();
			holder.resourceDownloadName.setText(info.getMy_name());
			if(info.getMy_index().contains("movie"))
			{
				if(info.getDownload_state().equalsIgnoreCase("wait"))
				{
					holder.resouceDownloadState.setText("等待下载");
					aqtemp.id(R.id.down_wait).visible();
					aqtemp.id(R.id.down_pause).gone();
					aqtemp.id(R.id.down_downing).gone();
				}
				else if(info.getDownload_state().equalsIgnoreCase("downloading"))
				{
					holder.resouceDownloadState.setText("正在下载");
					aqtemp.id(R.id.down_wait).gone();
					aqtemp.id(R.id.down_pause).gone();
					aqtemp.id(R.id.down_downing).visible();
				}
				else if(info.getDownload_state().equalsIgnoreCase("pause"))
				{
					holder.resouceDownloadState.setText("暂停下载");
					aqtemp.id(R.id.down_wait).gone();
					aqtemp.id(R.id.down_pause).visible();
					aqtemp.id(R.id.down_downing).gone();
				}
				holder.resourceDownProgress.setMax(MAX);
				if(filesize!=0)
				{
					holder.resourceDownProgress.setSecondaryProgress((int) (completesize*MAX/filesize));
				}
				else
				{
					holder.resourceDownProgress.setSecondaryProgress(0);
				}
				
				holder.resourcePercentDown.setText((percent)+"%");
				if(info.getCompeleteSize()==info.getFileSize())
				{
					if(info.getFileSize()>10)//过滤掉文件长度为零的情况
					{
						holder.resouceDownloadState.setText("");
						holder.resourcePercentDown.setText("");
						aqtemp.id(R.id.downloadprogress).gone();
						
						aqtemp.id(R.id.down_wait).gone();
						aqtemp.id(R.id.down_pause).gone();
						aqtemp.id(R.id.down_downing).gone();
					}
				}
			}
			else
			{
				aqtemp.id(R.id.downloadprogress).gone();
				aqtemp.id(R.id.state_layer).gone();
			}
			aqtemp.id(R.id.movieImageview).image(posterurl,true,true);
		}
		return convertView;
	}
	public OnClickListener getClick() {
		return click;
	}
	public void setClick(OnClickListener click) {
		this.click = click;
	}
	private class ViewHolder { 
		public ImageView resourceImage;
		public ProgressBar resourceDownProgress;
		public TextView resourcePercentDown;
		public TextView resouceDownloadState;
		public TextView resourceDownloadName;
		public ImageView down_wait;
		public ImageView down_pause;
		public ImageView down_downing;
	}	
}