LoadVideoImageTask.java

package com.juns.wechat.chat.task;

import java.io.File;

import android.app.Activity;
import android.graphics.Bitmap;
import android.os.AsyncTask;
import android.view.View;
import android.widget.BaseAdapter;
import android.widget.ImageView;

import com.easemob.chat.EMChatManager;
import com.easemob.chat.EMMessage;
import com.easemob.util.ImageUtils;
import com.juns.wechat.chat.utils.CommonUtils;
import com.juns.wechat.chat.utils.ImageCache;

public class LoadVideoImageTask extends AsyncTask<Object, Void, Bitmap> {

	private ImageView iv = null;
	String thumbnailPath = null;
	String thumbnailUrl = null;
	Activity activity;
	EMMessage message;
	BaseAdapter adapter;

	@Override
	protected Bitmap doInBackground(Object... params) {
		thumbnailPath = (String) params[0];
		thumbnailUrl = (String) params[1];
		iv = (ImageView) params[2];
		activity = (Activity) params[3];
		message = (EMMessage) params[4];
		adapter = (BaseAdapter) params[5];
		if (new File(thumbnailPath).exists()) {
			return ImageUtils.decodeScaleImage(thumbnailPath, 120, 120);
		} else {
			return null;
		}
	}

	@Override
	protected void onPostExecute(Bitmap result) {
		super.onPostExecute(result);
		if (result != null) {
			iv.setImageBitmap(result);
			ImageCache.getInstance().put(thumbnailPath, result);
			iv.setClickable(true);
			iv.setTag(thumbnailPath);
			iv.setOnClickListener(new View.OnClickListener() {

				@Override
				public void onClick(View v) {
					if (thumbnailPath != null) {
						// VideoMessageBody videoBody = (VideoMessageBody)
						// message
						// .getBody();
						// Intent intent = new Intent(activity,
						// ShowVideoActivity.class);
						// intent.putExtra("localpath",
						// videoBody.getLocalUrl());
						// intent.putExtra("secret", videoBody.getSecret());
						// intent.putExtra("remotepath",
						// videoBody.getRemoteUrl());
						// if (message != null
						// && message.direct == EMMessage.Direct.RECEIVE
						// && !message.isAcked) {
						// message.isAcked = true;
						// try {
						// EMChatManager.getInstance().ackMessageRead(
						// message.getFrom(), message.getMsgId());
						// } catch (Exception e) {
						// e.printStackTrace();
						// }
						// }
						// activity.startActivity(intent);

					}
				}
			});

		} else {
			if (message.status == EMMessage.Status.FAIL
					|| message.direct == EMMessage.Direct.RECEIVE) {
				if (CommonUtils.isNetWorkConnected(activity)) {
					new AsyncTask<Void, Void, Void>() {

						@Override
						protected Void doInBackground(Void... params) {
							EMChatManager.getInstance().asyncFetchMessage(
									message);
							return null;
						}

						@Override
						protected void onPostExecute(Void result) {
							adapter.notifyDataSetChanged();
						};
					}.execute();
				}
			}

		}
	}

}