/*
* Firetweet - Twitter client for Android
*
* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.getlantern.firetweet.preference;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.content.DialogInterface.OnClickListener;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import android.preference.Preference;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import org.getlantern.firetweet.Constants;
import org.getlantern.firetweet.R;
import java.text.Collator;
import java.util.Comparator;
import java.util.List;
import twitter4j.Location;
import twitter4j.ResponseList;
import twitter4j.Twitter;
import twitter4j.TwitterException;
import static org.getlantern.firetweet.util.Utils.getDefaultTwitterInstance;
public class TrendsLocationPreference extends Preference implements Constants, OnClickListener {
private SharedPreferences mPreferences;
private int mCheckedWoeId = 1;
private GetAvailableTrendsTask mGetAvailableTrendsTask;
private final AvailableTrendsAdapter mAdapter;
private AlertDialog mDialog;
public TrendsLocationPreference(final Context context) {
this(context, null);
}
public TrendsLocationPreference(final Context context, final AttributeSet attrs) {
this(context, attrs, android.R.attr.preferenceStyle);
}
public TrendsLocationPreference(final Context context, final AttributeSet attrs, final int defStyle) {
super(context, attrs, defStyle);
mAdapter = new AvailableTrendsAdapter(context);
}
@Override
public void onClick(final DialogInterface dialog, final int which) {
final SharedPreferences.Editor editor = getEditor();
if (editor == null) return;
final Location item = mAdapter.getItem(which);
if (item != null) {
editor.putInt(KEY_LOCAL_TRENDS_WOEID, item.getWoeid());
editor.apply();
}
if (mDialog != null && mDialog.isShowing()) {
mDialog.dismiss();
}
}
@Override
protected void onClick() {
mPreferences = getSharedPreferences();
if (mPreferences == null) return;
mCheckedWoeId = mPreferences.getInt(KEY_LOCAL_TRENDS_WOEID, 1);
if (mGetAvailableTrendsTask != null) {
mGetAvailableTrendsTask.cancel(false);
}
mGetAvailableTrendsTask = new GetAvailableTrendsTask(getContext());
mGetAvailableTrendsTask.execute();
}
private static class AvailableTrendsAdapter extends ArrayAdapter<Location> {
private final Context mContext;
public AvailableTrendsAdapter(final Context context) {
super(context, android.R.layout.simple_list_item_single_choice);
mContext = context;
}
public int findItemPosition(final int woeid) {
final int count = getCount();
for (int i = 0; i < count; i++) {
final Location item = getItem(i);
if (item.getWoeid() == woeid) return i;
}
return -1;
}
@Override
public View getView(final int position, final View convertView, final ViewGroup parent) {
final View view = super.getView(position, convertView, parent);
final TextView text = (TextView) (view instanceof TextView ? view : view.findViewById(android.R.id.text1));
final Location item = getItem(position);
if (item != null && text != null) {
text.setSingleLine();
text.setText(item.getName());
}
return view;
}
public void setData(final List<Location> data) {
clear();
if (data != null) {
addAll(data);
}
sort(new LocationComparator(mContext));
}
}
private static class LocationComparator implements Comparator<Location> {
private final Collator mCollator;
LocationComparator(final Context context) {
mCollator = Collator.getInstance(context.getResources().getConfiguration().locale);
}
@Override
public int compare(final Location object1, final Location object2) {
if (object1.getWoeid() == 1) return Integer.MIN_VALUE;
if (object2.getWoeid() == 1) return Integer.MAX_VALUE;
return mCollator.compare(object1.getName(), object2.getName());
}
}
class GetAvailableTrendsTask extends AsyncTask<Object, Object, ResponseList<Location>> implements OnCancelListener {
private final ProgressDialog mProgress;
public GetAvailableTrendsTask(final Context context) {
mProgress = new ProgressDialog(context);
}
@Override
public void onCancel(final DialogInterface dialog) {
cancel(true);
}
@Override
protected ResponseList<Location> doInBackground(final Object... args) {
final Twitter twitter = getDefaultTwitterInstance(getContext(), false);
if (twitter == null) return null;
try {
return twitter.getAvailableTrends();
} catch (final TwitterException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(final ResponseList<Location> result) {
if (mProgress.isShowing()) {
mProgress.dismiss();
}
mAdapter.setData(result);
if (result == null) return;
final AlertDialog.Builder selectorBuilder = new AlertDialog.Builder(getContext());
selectorBuilder.setTitle(getTitle());
selectorBuilder.setSingleChoiceItems(mAdapter, mAdapter.findItemPosition(mCheckedWoeId),
TrendsLocationPreference.this);
selectorBuilder.setNegativeButton(android.R.string.cancel, null);
mDialog = selectorBuilder.create();
final ListView lv = mDialog.getListView();
if (lv != null) {
lv.setFastScrollEnabled(true);
}
mDialog.show();
}
@Override
protected void onPreExecute() {
if (mProgress.isShowing()) {
mProgress.dismiss();
}
mProgress.setMessage(getContext().getString(R.string.please_wait));
mProgress.setOnCancelListener(this);
mProgress.show();
}
}
}