/*
* Copyright (C) 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* AbstractTwitterListBaseLine用于抽象tweets List的展现
* UI基本元素要求：一个ListView用于tweet列表
* 一个ProgressText用于提示信息
*/
package com.ch_linghu.fanfoudroid.ui.base;
import android.content.Intent;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.TextView;
import com.ch_linghu.fanfoudroid.DmActivity;
import com.ch_linghu.fanfoudroid.MentionActivity;
import com.ch_linghu.fanfoudroid.ProfileActivity;
import com.ch_linghu.fanfoudroid.R;
import com.ch_linghu.fanfoudroid.StatusActivity;
import com.ch_linghu.fanfoudroid.WriteActivity;
import com.ch_linghu.fanfoudroid.WriteDmActivity;
import com.ch_linghu.fanfoudroid.app.Preferences;
import com.ch_linghu.fanfoudroid.data.Tweet;
import com.ch_linghu.fanfoudroid.task.GenericTask;
import com.ch_linghu.fanfoudroid.task.AbstractTaskAdapter;
import com.ch_linghu.fanfoudroid.task.ITaskListener;
import com.ch_linghu.fanfoudroid.task.TaskParams;
import com.ch_linghu.fanfoudroid.task.TaskResult;
import com.ch_linghu.fanfoudroid.task.TweetCommonTask;
import com.ch_linghu.fanfoudroid.ui.MainView;
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.TweetAdapter;
public abstract class ListBaseView extends BaseActivity implements
IRefreshable {
static final String TAG = "andli";
protected TextView mProgressText;
protected Feedback mFeedback;
protected NavBar mNavbar;
protected static final int STATE_ALL = 0;
protected static final String SIS_RUNNING_KEY = "running";
// Tasks.
protected GenericTask mFavTask;
private ITaskListener mFavTaskListener = new AbstractTaskAdapter() {
@Override
public String getName() {
return "FavoriteTask";
}
@Override
public void onPostExecute(GenericTask task, TaskResult result) {
if (result == TaskResult.AUTH_ERROR) {
logout();
} else if (result == TaskResult.OK) {
onFavSuccess();
} else if (result == TaskResult.IO_ERROR) {
onFavFailure();
}
}
};
static final int DIALOG_WRITE_ID = 0;
abstract protected int getLayoutId();
abstract protected ListView getTweetList();
abstract protected TweetAdapter getTweetAdapter();
abstract protected void setupState();
abstract protected String getActivityTitle();
abstract protected boolean useBasicMenu();
abstract protected Tweet getContextItemTweet(int position);
abstract protected void updateTweet(Tweet tweet);
public static final int CONTEXT_REPLY_ID = Menu.FIRST + 1;
// public static final int CONTEXT_AT_ID = Menu.FIRST + 2;
public static final int CONTEXT_RETWEET_ID = Menu.FIRST + 3;
public static final int CONTEXT_DM_ID = Menu.FIRST + 4;
public static final int CONTEXT_MORE_ID = Menu.FIRST + 5;
public static final int CONTEXT_ADD_FAV_ID = Menu.FIRST + 6;
public static final int CONTEXT_DEL_FAV_ID = Menu.FIRST + 7;
/**
* 如果增加了Context Menu常量的数量，则必须重载此方法， 以保证其他人使用常量时不产生重复
*
* @return 最大的Context Menu常量
*/
protected int getLastContextMenuId() {
return CONTEXT_DEL_FAV_ID;
}
@Override
protected boolean _onCreate(Bundle savedInstanceState) {
if (super._onCreate(savedInstanceState)) {
setContentView(getLayoutId());
mNavbar = new NavBar(NavBar.HEADER_STYLE_HOME, this);
mFeedback = FeedbackFactory.create(this, FeedbackType.PROGRESS);
mPreferences.getInt(Preferences.TWITTER_ACTIVITY_STATE_KEY,
STATE_ALL);
// 提示栏
mProgressText = (TextView) findViewById(R.id.progress_text);
setupState();
registerForContextMenu(getTweetList());
registerOnClickListener(getTweetList());
return true;
} else {
return false;
}
}
@Override
protected void onResume() {
super.onResume();
checkIsLogedIn();
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mFavTask != null
&& mFavTask.getStatus() == GenericTask.Status.RUNNING) {
mFavTask.cancel(true);
}
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
Log.d("FLING", "onContextItemSelected");
super.onCreateContextMenu(menu, v, menuInfo);
if (useBasicMenu()) {
AdapterView.AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
Tweet tweet = getContextItemTweet(info.position);
if (tweet == null) {
Log.w(TAG, "Selected item not available.");
return;
}
menu.add(
0,
CONTEXT_MORE_ID,
0,
tweet.screenName
+ getResources().getString(
R.string.cmenu_user_profile_prefix));
menu.add(0, CONTEXT_REPLY_ID, 0, R.string.cmenu_reply);
menu.add(0, CONTEXT_RETWEET_ID, 0, R.string.cmenu_retweet);
menu.add(0, CONTEXT_DM_ID, 0, R.string.cmenu_direct_message);
if (tweet.favorited.equals("true")) {
menu.add(0, CONTEXT_DEL_FAV_ID, 0, R.string.cmenu_del_fav);
} else {
menu.add(0, CONTEXT_ADD_FAV_ID, 0, R.string.cmenu_add_fav);
}
}
}
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
.getMenuInfo();
Tweet tweet = getContextItemTweet(info.position);
if (tweet == null) {
Log.w(TAG, "Selected item not available.");
return super.onContextItemSelected(item);
}
switch (item.getItemId()) {
case CONTEXT_MORE_ID:
launchActivity(ProfileActivity.createIntent(tweet.userId));
return true;
case CONTEXT_REPLY_ID: {
// TODO: this isn't quite perfect. It leaves extra empty spaces if
// you perform the reply action again.
Intent intent = WriteActivity.createNewReplyIntent(tweet.text,
tweet.screenName, tweet.id);
startActivity(intent);
return true;
}
case CONTEXT_RETWEET_ID:
Intent intent = WriteActivity.createNewRepostIntent(this,
tweet.text, tweet.screenName, tweet.id);
startActivity(intent);
return true;
case CONTEXT_DM_ID:
launchActivity(WriteDmActivity.createIntent(tweet.userId));
return true;
case CONTEXT_ADD_FAV_ID:
doFavorite("add", tweet.id);
return true;
case CONTEXT_DEL_FAV_ID:
doFavorite("del", tweet.id);
return true;
default:
return super.onContextItemSelected(item);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case OPTIONS_MENU_ID_TWEETS:
launchActivity(MainView.createIntent(this));
return true;
case OPTIONS_MENU_ID_REPLIES:
launchActivity(MentionActivity.createIntent(this));
return true;
case OPTIONS_MENU_ID_DM:
launchActivity(DmActivity.createIntent());
return true;
}
return super.onOptionsItemSelected(item);
}
protected void draw() {
getTweetAdapter().refresh();
}
protected void goTop() {
getTweetList().setSelection(1);
}
protected void adapterRefresh() {
getTweetAdapter().refresh();
}
// for HasFavorite interface
public void doFavorite(String action, String id) {
if (!TextUtils.isEmpty(id)) {
if (mFavTask != null
&& mFavTask.getStatus() == GenericTask.Status.RUNNING) {
return;
} else {
mFavTask = new TweetCommonTask.FavoriteTask(this);
mFavTask.setListener(mFavTaskListener);
TaskParams params = new TaskParams();
params.put("action", action);
params.put("id", id);
mFavTask.execute(params);
}
}
}
public void onFavSuccess() {
// updateProgress(getString(R.string.refreshing));
adapterRefresh();
}
public void onFavFailure() {
// updateProgress(getString(R.string.refreshing));
}
protected void specialItemClicked(int position) {
}
protected void registerOnClickListener(ListView listView) {
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
Tweet tweet = getContextItemTweet(position);
if (tweet == null) {
Log.w(TAG, "Selected item not available.");
specialItemClicked(position);
} else {
launchActivity(StatusActivity.createIntent(tweet));
}
}
});
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if (mFavTask != null
&& mFavTask.getStatus() == GenericTask.Status.RUNNING) {
outState.putBoolean(SIS_RUNNING_KEY, true);
}
if (getTweetList() != null) {
int lastPosition = getTweetList().getFirstVisiblePosition();
outState.putInt("LAST_POSITION", lastPosition);
}
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
if (getTweetList() != null) {
int lastPosition = savedInstanceState.getInt("LAST_POSITION");
getTweetList().setSelection(lastPosition);
}
}
@Override
public void doRetrieve() {
// TODO Auto-generated method stub
}
}