ChannelListView.java :  » Image » androidnews » vn » evolus » droidreader » widget » Android Open Source

package vn.evolus.droidreader.widget;

import java.util.ArrayList;

import vn.evolus.droidreader.R;
import vn.evolus.droidreader.adapter.ChannelAdapter;
import vn.evolus.droidreader.model.Channel;
import android.content.Context;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.widget.ListView;

public class ChannelListView extends ListView {
  private static final int REFRESH_MESSAGE = 1;
  private Handler handler;
  private ChannelAdapter adapter = null;
  
  public ChannelListView(Context context) {
    this(context, null, 0);
  }
  
  public ChannelListView(Context context, AttributeSet attrs) {
    this(context, attrs, 0);      
  }
  
  public ChannelListView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);    
    init();
  }
  
  private void init() {
    handler = new Handler() {
      @Override
      public void handleMessage(Message msg) {
        if (msg.what == REFRESH_MESSAGE && adapter != null) {
          adapter.notifyDataSetChanged();
        }
        super.handleMessage(msg);
      }
    };
    this.setBackgroundColor(getResources().getColor(R.color.itemBackground));
    this.setCacheColorHint(getResources().getColor(R.color.itemBackground));
    this.setDivider(getResources().getDrawable(android.R.drawable.divider_horizontal_bright));
  }
  
  public void setChannels(ArrayList<Channel> channels) {       
    adapter = new ChannelAdapter(getContext(), channels);
        this.setAdapter(adapter);
  }  
  
  public void refresh() {    
    if (adapter != null) {      
      handler.sendMessage(handler.obtainMessage(REFRESH_MESSAGE));
    }
  }
}