package com.ch_linghu.fanfoudroid;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.Button;
import android.widget.CursorAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import com.ch_linghu.fanfoudroid.app.LazyImageLoader.ImageLoaderCallback;
import com.ch_linghu.fanfoudroid.app.Preferences;
import com.ch_linghu.fanfoudroid.data.Dm;
import com.ch_linghu.fanfoudroid.db.MessageTable;
import com.ch_linghu.fanfoudroid.db.TwitterDatabase;
import com.ch_linghu.fanfoudroid.fanfou.DirectMessage;
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.TaskParams;
import com.ch_linghu.fanfoudroid.task.TaskResult;
import com.ch_linghu.fanfoudroid.ui.base.BaseActivity;
import com.ch_linghu.fanfoudroid.ui.base.Refreshable;
import com.ch_linghu.fanfoudroid.ui.module.Feedback;
import com.ch_linghu.fanfoudroid.ui.module.FeedbackFactory;
import com.ch_linghu.fanfoudroid.ui.module.FeedbackFactory.FeedbackType;
import com.ch_linghu.fanfoudroid.ui.module.NavBar;
import com.ch_linghu.fanfoudroid.ui.module.SimpleFeedback;
import com.ch_linghu.fanfoudroid.util.DateTimeHelper;
import com.ch_linghu.fanfoudroid.util.TextHelper;
import com.ch_linghu.fanfoudroid.R;
public class DmActivity extends BaseActivity implements Refreshable {
private static final String TAG = "DmActivity";
// Views.
private ListView mTweetList;
private Adapter mAdapter;
private Adapter mInboxAdapter;
private Adapter mSendboxAdapter;
Button inbox;
Button sendbox;
Button newMsg;
private int mDMType;
private static final int DM_TYPE_ALL = 0;
private static final int DM_TYPE_INBOX = 1;
private static final int DM_TYPE_SENDBOX = 2;
private TextView mProgressText;
private NavBar mNavbar;
private Feedback mFeedback;
// Tasks.
private GenericTask mRetrieveTask;
private GenericTask mDeleteTask;
private TaskListener mDeleteTaskListener = new TaskAdapter() {
@Override
public void onPreExecute(GenericTask task) {
updateProgress(getString(R.string.page_status_deleting));
}
@Override
public void onPostExecute(GenericTask task, TaskResult result) {
if (result == TaskResult.AUTH_ERROR) {
logout();
} else if (result == TaskResult.OK) {
mAdapter.refresh();
} else {
// Do nothing.
}
updateProgress("");
}
@Override
public String getName() {
return "DmDeleteTask";
}
};
private TaskListener mRetrieveTaskListener = new TaskAdapter() {
@Override
public void onPreExecute(GenericTask task) {
updateProgress(getString(R.string.page_status_refreshing));
}
@Override
public void onProgressUpdate(GenericTask task, Object params) {
draw();
}
@Override
public void onPostExecute(GenericTask task, TaskResult result) {
if (result == TaskResult.AUTH_ERROR) {
logout();
} else if (result == TaskResult.OK) {
SharedPreferences.Editor editor = mPreferences.edit();
editor.putLong(Preferences.LAST_DM_REFRESH_KEY,
DateTimeHelper.getNowTime());
editor.commit();
draw();
goTop();
} else {
// Do nothing.
}
updateProgress("");
}
@Override
public String getName() {
return "DmRetrieve";
}
};
// Refresh data at startup if last refresh was this long ago or greater.
private static final long REFRESH_THRESHOLD = 5 * 60 * 1000;
private static final String EXTRA_USER = "user";
private static final String LAUNCH_ACTION = "com.ch_linghu.fanfoudroid.DMS";
public static Intent createIntent() {
return createIntent("");
}
public static Intent createIntent(String user) {
Intent intent = new Intent(LAUNCH_ACTION);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
if (!TextUtils.isEmpty(user)) {
intent.putExtra(EXTRA_USER, user);
}
return intent;
}
@Override
protected boolean _onCreate(Bundle savedInstanceState) {
if (super._onCreate(savedInstanceState)) {
setContentView(R.layout.dm);
mNavbar = new NavBar(NavBar.HEADER_STYLE_HOME, this);
mNavbar.setHeaderTitle("我的私信");
mFeedback = FeedbackFactory.create(this, FeedbackType.PROGRESS);
bindFooterButtonEvent();
mTweetList = (ListView) findViewById(R.id.tweet_list);
mProgressText = (TextView) findViewById(R.id.progress_text);
TwitterDatabase db = getDb();
// Mark all as read.
db.markAllDmsRead();
setupAdapter(); // Make sure call bindFooterButtonEvent first
boolean shouldRetrieve = false;
long lastRefreshTime = mPreferences.getLong(
Preferences.LAST_DM_REFRESH_KEY, 0);
long nowTime = DateTimeHelper.getNowTime();
long diff = nowTime - lastRefreshTime;
Log.d(TAG, "Last refresh was " + diff + " ms ago.");
if (diff > REFRESH_THRESHOLD) {
shouldRetrieve = true;
} else if (isTrue(savedInstanceState, SIS_RUNNING_KEY)) {
// Check to see if it was running a send or retrieve task.
// It makes no sense to resend the send request (don't want
// dupes)
// so we instead retrieve (refresh) to see if the message has
// posted.
Log.d(TAG,
"Was last running a retrieve or send task. Let's refresh.");
shouldRetrieve = true;
}
if (shouldRetrieve) {
doRetrieve();
}
// Want to be able to focus on the items with the trackball.
// That way, we can navigate up and down by changing item focus.
mTweetList.setItemsCanFocus(true);
return true;
} else {
return false;
}
}
@Override
protected void onResume() {
super.onResume();
checkIsLogedIn();
}
private static final String SIS_RUNNING_KEY = "running";
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if (mRetrieveTask != null
&& mRetrieveTask.getStatus() == GenericTask.Status.RUNNING) {
outState.putBoolean(SIS_RUNNING_KEY, true);
}
}
@Override
protected void onDestroy() {
Log.d(TAG, "onDestroy.");
if (mRetrieveTask != null
&& mRetrieveTask.getStatus() == GenericTask.Status.RUNNING) {
mRetrieveTask.cancel(true);
}
if (mDeleteTask != null
&& mDeleteTask.getStatus() == GenericTask.Status.RUNNING) {
mDeleteTask.cancel(true);
}
super.onDestroy();
}
// UI helpers.
private void bindFooterButtonEvent() {
inbox = (Button) findViewById(R.id.inbox);
sendbox = (Button) findViewById(R.id.sendbox);
newMsg = (Button) findViewById(R.id.new_message);
inbox.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mDMType != DM_TYPE_INBOX) {
mDMType = DM_TYPE_INBOX;
inbox.setEnabled(false);
sendbox.setEnabled(true);
mTweetList.setAdapter(mInboxAdapter);
mInboxAdapter.refresh();
}
}
});
sendbox.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mDMType != DM_TYPE_SENDBOX) {
mDMType = DM_TYPE_SENDBOX;
inbox.setEnabled(true);
sendbox.setEnabled(false);
mTweetList.setAdapter(mSendboxAdapter);
mSendboxAdapter.refresh();
}
}
});
newMsg.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.setClass(DmActivity.this, WriteDmActivity.class);
intent.putExtra("reply_to_id", 0); // TODO: 传入实际的reply_to_id
startActivity(intent);
}
});
}
private void setupAdapter() {
Cursor cursor = getDb().fetchAllDms(-1);
startManagingCursor(cursor);
mAdapter = new Adapter(this, cursor);
Cursor inboxCursor = getDb().fetchInboxDms();
startManagingCursor(inboxCursor);
mInboxAdapter = new Adapter(this, inboxCursor);
Cursor sendboxCursor = getDb().fetchSendboxDms();
startManagingCursor(sendboxCursor);
mSendboxAdapter = new Adapter(this, sendboxCursor);
mTweetList.setAdapter(mInboxAdapter);
registerForContextMenu(mTweetList);
inbox.setEnabled(false);
}
private class DmRetrieveTask extends GenericTask {
@Override
protected TaskResult _doInBackground(TaskParams... params) {
List<DirectMessage> dmList;
ArrayList<Dm> dms = new ArrayList<Dm>();
TwitterDatabase db = getDb();
// ImageManager imageManager = getImageManager();
String maxId = db.fetchMaxDmId(false);
HashSet<String> imageUrls = new HashSet<String>();
try {
if (maxId != null) {
Paging paging = new Paging(maxId);
dmList = getApi().getDirectMessages(paging);
} else {
dmList = getApi().getDirectMessages();
}
} catch (HttpException e) {
Log.e(TAG, e.getMessage(), e);
return TaskResult.IO_ERROR;
}
publishProgress(SimpleFeedback.calProgressBySize(40, 20, dmList));
for (DirectMessage directMessage : dmList) {
if (isCancelled()) {
return TaskResult.CANCELLED;
}
Dm dm;
dm = Dm.create(directMessage, false);
dms.add(dm);
imageUrls.add(dm.profileImageUrl);
if (isCancelled()) {
return TaskResult.CANCELLED;
}
}
maxId = db.fetchMaxDmId(true);
try {
if (maxId != null) {
Paging paging = new Paging(maxId);
dmList = getApi().getSentDirectMessages(paging);
} else {
dmList = getApi().getSentDirectMessages();
}
} catch (HttpException e) {
Log.e(TAG, e.getMessage(), e);
return TaskResult.IO_ERROR;
}
for (DirectMessage directMessage : dmList) {
if (isCancelled()) {
return TaskResult.CANCELLED;
}
Dm dm;
dm = Dm.create(directMessage, true);
dms.add(dm);
imageUrls.add(dm.profileImageUrl);
if (isCancelled()) {
return TaskResult.CANCELLED;
}
}
db.addDms(dms, false);
// if (isCancelled()) {
// return TaskResult.CANCELLED;
// }
//
// publishProgress(null);
//
// for (String imageUrl : imageUrls) {
// if (!Utils.isEmpty(imageUrl)) {
// // Fetch image to cache.
// try {
// imageManager.put(imageUrl);
// } catch (IOException e) {
// Log.e(TAG, e.getMessage(), e);
// }
// }
//
// if (isCancelled()) {
// return TaskResult.CANCELLED;
// }
// }
return TaskResult.OK;
}
}
private static class Adapter extends CursorAdapter {
public Adapter(Context context, Cursor cursor) {
super(context, cursor);
mInflater = LayoutInflater.from(context);
// TODO: 可使用:
// DM dm = MessageTable.parseCursor(cursor);
mUserTextColumn = cursor
.getColumnIndexOrThrow(MessageTable.FIELD_USER_SCREEN_NAME);
mTextColumn = cursor.getColumnIndexOrThrow(MessageTable.FIELD_TEXT);
mProfileImageUrlColumn = cursor
.getColumnIndexOrThrow(MessageTable.FIELD_PROFILE_IMAGE_URL);
mCreatedAtColumn = cursor
.getColumnIndexOrThrow(MessageTable.FIELD_CREATED_AT);
mIsSentColumn = cursor
.getColumnIndexOrThrow(MessageTable.FIELD_IS_SENT);
}
private LayoutInflater mInflater;
private int mUserTextColumn;
private int mTextColumn;
private int mProfileImageUrlColumn;
private int mIsSentColumn;
private int mCreatedAtColumn;
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
View view = mInflater.inflate(R.layout.direct_message, parent,
false);
ViewHolder holder = new ViewHolder();
holder.userText = (TextView) view
.findViewById(R.id.tweet_user_text);
holder.tweetText = (TextView) view.findViewById(R.id.tweet_text);
holder.profileImage = (ImageView) view
.findViewById(R.id.profile_image);
holder.metaText = (TextView) view
.findViewById(R.id.tweet_meta_text);
view.setTag(holder);
return view;
}
class ViewHolder {
public TextView userText;
public TextView tweetText;
public ImageView profileImage;
public TextView metaText;
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
ViewHolder holder = (ViewHolder) view.getTag();
int isSent = cursor.getInt(mIsSentColumn);
String user = cursor.getString(mUserTextColumn);
if (0 == isSent) {
holder.userText.setText(context
.getString(R.string.direct_message_label_from_prefix)
+ user);
} else {
holder.userText.setText(context
.getString(R.string.direct_message_label_to_prefix)
+ user);
}
TextHelper.setTweetText(holder.tweetText,
cursor.getString(mTextColumn));
String profileImageUrl = cursor.getString(mProfileImageUrlColumn);
if (!TextUtils.isEmpty(profileImageUrl)) {
holder.profileImage
.setImageBitmap(TwitterApplication.mImageLoader.get(
profileImageUrl, new ImageLoaderCallback() {
@Override
public void refresh(String url,
Bitmap bitmap) {
Adapter.this.refresh();
}
}));
}
try {
holder.metaText.setText(DateTimeHelper
.getRelativeDate(TwitterDatabase.DB_DATE_FORMATTER
.parse(cursor.getString(mCreatedAtColumn))));
} catch (ParseException e) {
Log.w(TAG, "Invalid created at data.");
}
}
public void refresh() {
getCursor().requery();
}
}
// Menu.
@Override
public boolean onCreateOptionsMenu(Menu menu) {
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
// FIXME: 将刷新功能绑定到顶部的刷新按钮上，主菜单中的刷新选项已删除
// case OPTIONS_MENU_ID_REFRESH:
// doRetrieve();
// return true;
case OPTIONS_MENU_ID_TWEETS:
launchActivity(TwitterActivity.createIntent(this));
return true;
case OPTIONS_MENU_ID_REPLIES:
launchActivity(MentionActivity.createIntent(this));
return true;
}
return super.onOptionsItemSelected(item);
}
private static final int CONTEXT_REPLY_ID = 0;
private static final int CONTEXT_DELETE_ID = 1;
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
menu.add(0, CONTEXT_REPLY_ID, 0, R.string.cmenu_reply);
menu.add(0, CONTEXT_DELETE_ID, 0, R.string.cmenu_delete);
}
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
.getMenuInfo();
Cursor cursor = (Cursor) mAdapter.getItem(info.position);
if (cursor == null) {
Log.w(TAG, "Selected item not available.");
return super.onContextItemSelected(item);
}
switch (item.getItemId()) {
case CONTEXT_REPLY_ID:
String user_id = cursor.getString(cursor
.getColumnIndexOrThrow(MessageTable.FIELD_USER_ID));
Intent intent = WriteDmActivity.createIntent(user_id);
startActivity(intent);
return true;
case CONTEXT_DELETE_ID:
int idIndex = cursor.getColumnIndexOrThrow(MessageTable._ID);
String id = cursor.getString(idIndex);
doDestroy(id);
return true;
default:
return super.onContextItemSelected(item);
}
}
private void doDestroy(String id) {
Log.d(TAG, "Attempting delete.");
if (mDeleteTask != null
&& mDeleteTask.getStatus() == GenericTask.Status.RUNNING) {
return;
} else {
mDeleteTask = new DmDeleteTask();
mDeleteTask.setListener(mDeleteTaskListener);
TaskParams params = new TaskParams();
params.put("id", id);
mDeleteTask.execute(params);
}
}
private class DmDeleteTask extends GenericTask {
@Override
protected TaskResult _doInBackground(TaskParams... params) {
TaskParams param = params[0];
try {
String id = param.getString("id");
DirectMessage directMessage = getApi().destroyDirectMessage(id);
Dm.create(directMessage, false);
getDb().deleteDm(id);
} catch (HttpException e) {
Log.e(TAG, e.getMessage(), e);
return TaskResult.IO_ERROR;
}
if (isCancelled()) {
return TaskResult.CANCELLED;
}
return TaskResult.OK;
}
}
public void doRetrieve() {
Log.d(TAG, "Attempting retrieve.");
if (mRetrieveTask != null
&& mRetrieveTask.getStatus() == GenericTask.Status.RUNNING) {
return;
} else {
mRetrieveTask = new DmRetrieveTask();
mRetrieveTask.setFeedback(mFeedback);
mRetrieveTask.setListener(mRetrieveTaskListener);
mRetrieveTask.execute();
}
}
public void goTop() {
mTweetList.setSelection(0);
}
public void draw() {
mAdapter.refresh();
mInboxAdapter.refresh();
mSendboxAdapter.refresh();
}
private void updateProgress(String msg) {
mProgressText.setText(msg);
}
}