package com.ch_linghu.fanfoudroid.ui.base;
import java.util.ArrayList;
import java.util.List;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import com.ch_linghu.fanfoudroid.R;
import com.ch_linghu.fanfoudroid.TwitterApplication;
import com.ch_linghu.fanfoudroid.data.Tweet;
import com.ch_linghu.fanfoudroid.data.User;
import com.ch_linghu.fanfoudroid.fanfou.Paging;
import com.ch_linghu.fanfoudroid.http.HttpException;
import com.ch_linghu.fanfoudroid.task.GenericTask;
import com.ch_linghu.fanfoudroid.task.TaskAdapter;
import com.ch_linghu.fanfoudroid.task.TaskListener;
import com.ch_linghu.fanfoudroid.task.TaskManager;
import com.ch_linghu.fanfoudroid.task.TaskParams;
import com.ch_linghu.fanfoudroid.task.TaskResult;
import com.ch_linghu.fanfoudroid.ui.module.SimpleFeedback;
import com.ch_linghu.fanfoudroid.ui.module.TweetAdapter;
import com.ch_linghu.fanfoudroid.ui.module.UserArrayAdapter;
public abstract class UserArrayBaseActivity extends UserListBaseActivity {
static final String TAG = "UserArrayBaseActivity";
// Views.
//protected PullToRefreshListView mUserList;
protected ListView mUserList;
protected UserArrayAdapter mUserListAdapter;
protected TextView loadMoreBtn;
protected ProgressBar loadMoreGIF;
protected TextView loadMoreBtnTop;
protected ProgressBar loadMoreGIFTop;
// Tasks.
protected TaskManager taskManager = new TaskManager();
private GenericTask mRetrieveTask;
private GenericTask mFollowersRetrieveTask;
private GenericTask mGetMoreTask;// 每次100用户
private static class State {
State(UserArrayBaseActivity activity) {
allUserList = activity.allUserList;
}
public ArrayList<com.ch_linghu.fanfoudroid.data.User> allUserList;
}
public abstract Paging getCurrentPage();// 加载
public abstract Paging getNextPage();// 加载
// protected abstract String[] getIds();
protected abstract List<com.ch_linghu.fanfoudroid.fanfou.User> getUsers(
String userId, Paging page) throws HttpException;
private ArrayList<com.ch_linghu.fanfoudroid.data.User> allUserList;
@Override
protected boolean _onCreate(Bundle savedInstanceState) {
Log.d(TAG, "onCreate.");
if (super._onCreate(savedInstanceState)) {
State state = (State) getLastNonConfigurationInstance();
if (state != null){
allUserList = state.allUserList;
draw();
}else{
doRetrieve();// 加载第一页
}
return true;
} else {
return false;
}
}
@Override
public void doRetrieve() {
Log.d(TAG, "Attempting retrieve.");
if (mRetrieveTask != null
&& mRetrieveTask.getStatus() == GenericTask.Status.RUNNING) {
return;
} else {
mRetrieveTask = new RetrieveTask();
mRetrieveTask.setFeedback(mFeedback);
mRetrieveTask.setListener(mRetrieveTaskListener);
mRetrieveTask.execute();
// Add Task to manager
taskManager.addTask(mRetrieveTask);
}
}
private TaskListener mRetrieveTaskListener = new TaskAdapter() {
@Override
public String getName() {
return "RetrieveTask";
}
@Override
public void onPostExecute(GenericTask task, TaskResult result) {
if (result == TaskResult.AUTH_ERROR) {
logout();
} else if (result == TaskResult.OK) {
draw();
}
//mUserList.onRefreshComplete();
updateProgress("");
}
@Override
public void onPreExecute(GenericTask task) {
onRetrieveBegin();
}
@Override
public void onProgressUpdate(GenericTask task, Object param) {
Log.d(TAG, "onProgressUpdate");
draw();
}
};
public void updateProgress(String progress) {
mProgressText.setText(progress);
}
public void onRetrieveBegin() {
updateProgress(getString(R.string.page_status_refreshing));
}
/**
* TODO：从API获取当前Followers
*
* @author Dino
*
*/
private class RetrieveTask extends GenericTask {
@Override
protected TaskResult _doInBackground(TaskParams... params) {
Log.d(TAG, "load RetrieveTask");
List<com.ch_linghu.fanfoudroid.fanfou.User> usersList = null;
try {
String userid=getUserId();
usersList = getUsers(userid==null?TwitterApplication.getMyselfId(false):userid, getCurrentPage());
} catch (HttpException e) {
e.printStackTrace();
return TaskResult.IO_ERROR;
}
publishProgress(SimpleFeedback.calProgressBySize(40, 20, usersList));
allUserList.clear();
for (com.ch_linghu.fanfoudroid.fanfou.User user : usersList) {
if (isCancelled()) {
return TaskResult.CANCELLED;
}
User u = User.create(user);
allUserList.add(u);
if (isCancelled()) {
return TaskResult.CANCELLED;
}
}
return TaskResult.OK;
}
}
@Override
protected int getLayoutId() {
return R.layout.follower;
}
@Override
protected void setupState() {
setTitle(getActivityTitle());
mUserList = (ListView) findViewById(R.id.follower_list);
setupListHeader(true);
mUserListAdapter = new UserArrayAdapter(this);
mUserList.setAdapter(mUserListAdapter);
allUserList = new ArrayList<com.ch_linghu.fanfoudroid.data.User>();
}
@Override
protected String getActivityTitle() {
// TODO Auto-generated method stub
return null;
}
@Override
protected boolean useBasicMenu() {
return true;
}
@Override
protected User getContextItemUser(int position) {
// position = position - 1;
Log.d(TAG, "list position:" + position);
// 加入footer跳过footer
if (position < mUserListAdapter.getCount()) {
User item = (User) mUserListAdapter.getItem(position);
if (item == null) {
return null;
} else {
return item;
}
} else {
return null;
}
}
/**
* TODO:不知道啥用
*/
@Override
protected void updateTweet(Tweet tweet) {
// TODO Auto-generated method stub
}
@Override
protected ListView getUserList() {
return mUserList;
}
@Override
protected TweetAdapter getUserAdapter() {
return mUserListAdapter;
}
/**
* 绑定listView底部 - 载入更多 NOTE: 必须在listView#setAdapter之前调用
*/
protected void setupListHeader(boolean addFooter) {
// Add footer to Listview
View footer = View.inflate(this, R.layout.listview_footer, null);
mUserList.addFooterView(footer, null, true);
// mUserList.setOnRefreshListener(new OnRefreshListener() {
//
// @Override
// public void onRefresh() {
// doRetrieve();
//
// }
// });
// Find View
loadMoreBtn = (TextView) findViewById(R.id.ask_for_more);
loadMoreGIF = (ProgressBar) findViewById(R.id.rectangleProgressBar);
}
@Override
protected void specialItemClicked(int position) {
if (position == mUserList.getCount() - 1) {
// footer
loadMoreGIF.setVisibility(View.VISIBLE);
doGetMore();
}
}
public void doGetMore() {
Log.d(TAG, "Attempting getMore.");
mFeedback.start("");
if (mGetMoreTask != null
&& mGetMoreTask.getStatus() == GenericTask.Status.RUNNING) {
return;
} else {
mGetMoreTask = new GetMoreTask();
mGetMoreTask.setListener(getMoreListener);
mGetMoreTask.execute();
// Add Task to manager
taskManager.addTask(mGetMoreTask);
}
}
private TaskListener getMoreListener = new TaskAdapter() {
@Override
public String getName() {
return "getMore";
}
@Override
public void onPostExecute(GenericTask task, TaskResult result) {
super.onPostExecute(task, result);
draw();
mFeedback.success("");
loadMoreGIF.setVisibility(View.GONE);
}
};
/**
* TODO:需要重写,获取下一批用户,按页分100页一次
*
* @author Dino
*
*/
private class GetMoreTask extends GenericTask {
@Override
protected TaskResult _doInBackground(TaskParams... params) {
Log.d(TAG, "load RetrieveTask");
List<com.ch_linghu.fanfoudroid.fanfou.User> usersList = null;
try {
usersList = getUsers(getUserId(), getNextPage());
mFeedback.update(60);
} catch (HttpException e) {
e.printStackTrace();
return TaskResult.IO_ERROR;
}
// 将获取到的数据(保存/更新)到数据库
getDb().syncWeiboUsers(usersList);
mFeedback.update(100 - (int) Math.floor(usersList.size() * 2));
for (com.ch_linghu.fanfoudroid.fanfou.User user : usersList) {
if (isCancelled()) {
return TaskResult.CANCELLED;
}
allUserList.add(User.create(user));
if (isCancelled()) {
return TaskResult.CANCELLED;
}
}
mFeedback.update(99);
return TaskResult.OK;
}
}
public void draw() {
mUserListAdapter.refresh(allUserList);
}
@Override
public Object onRetainNonConfigurationInstance() {
return createState();
}
private synchronized State createState() {
return new State(this);
}
}