package com.ttj;

import java.util.HashMap;

import org.apache.http.Header;

import com.linshao.http.AsyncHttpResponseHandler;
import com.ttj.utils.HttpUtils;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;

@SuppressLint("ShowToast")
public abstract class NetActivity extends Activity implements
		android.view.View.OnClickListener {
	protected ProgressDialog dialog;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		dialog = new ProgressDialog(this);
		dialog.setMessage("正在请求，请稍候...");
		dialog.setCanceledOnTouchOutside(false);
		dialog.setOnCancelListener(new OnCancelListener() {

			@Override
			public void onCancel(DialogInterface dialog) {
				HttpUtils.canclePost();
				Toast.makeText(NetActivity.this, "请求取消", 300).show();
			}
		});
	}

	/**
	 * 网络请求
	 * 
	 * @param url
	 * @param params
	 * @param TAG
	 */
	protected void asynNet(final String url,
			final HashMap<String, String> params, final int TAG) {
		HttpUtils.post(url, params, new AsyncHttpResponseHandler() {
			@Override
			public void onStart() {
				super.onStart();
				dialog.show();
			}

			@Override
			public void onSuccess(int arg0, Header[] arg1, byte[] arg2) {
				dialog.dismiss();
				success(new String(arg2), TAG);
			}

			@Override
			public void onFailure(int arg0, Header[] arg1, byte[] arg2,
					Throwable arg3) {
				failure(TAG);
				dialog.dismiss();
				new AlertDialog.Builder(NetActivity.this).setTitle("请求错误")
						.setMessage("服务器错误或连接失败，请重试").setCancelable(false)
						.setPositiveButton("重新请求", new OnClickListener() {

							@Override
							public void onClick(DialogInterface dialog,
									int which) {
								asynNet(url, params, TAG);
							}
						}).setNegativeButton("返回", new OnClickListener() {

							@Override
							public void onClick(DialogInterface dialog,
									int which) {
								NetActivity.this.finish();
							}
						}).create().show();
			}
		});
	}

	public void failure(int tag) {

	}

	public abstract void success(String result, int tag);

	public abstract void onclick(View v);

	@Override
	public void onClick(View v) {
		onclick(v);
	}
}