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/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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
*/
package com.android.tv.settings.system;
import android.app.Activity;
import android.app.timezonedetector.ManualTimeZoneSuggestion;
import android.app.timezonedetector.TimeZoneDetector;
import android.app.tvsettings.TvSettingsEnums;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.text.TextUtils;
import androidx.annotation.Keep;
import androidx.preference.CheckBoxPreference;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.settingslib.datetime.ZoneGetter;
import com.android.tv.settings.R;
import com.android.tv.settings.SettingsPreferenceFragment;
import com.android.tv.twopanelsettings.TwoPanelSettingsFragment;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;
@Keep
public class TimeZoneFragment extends SettingsPreferenceFragment {
private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
final Activity activity = getActivity();
if (activity != null) {
updateZones();
}
}
};
@Override
public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
final Context themedContext = getPreferenceManager().getContext();
final PreferenceScreen screen = getPreferenceManager().createPreferenceScreen(
themedContext);
screen.setTitle(R.string.system_set_time_zone);
setPreferenceScreen(screen);
final List<Map<String, Object>> zoneList = ZoneGetter.getZonesList(getActivity());
final List<ZonePreference> zonePrefs = new ArrayList<>(zoneList.size());
for (final Map<String, Object> zone : zoneList) {
zonePrefs.add(new ZonePreference(themedContext, zone));
}
zonePrefs.sort(new ZonePrefComparator());
for (final Preference zonePref : zonePrefs) {
screen.addPreference(zonePref);
}
}
@Override
public void onResume() {
super.onResume();
// Register for zone changes
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
getActivity().registerReceiver(mIntentReceiver, filter, null, null);
updateZones();
}
@Override
public void onPause() {
super.onPause();
getActivity().unregisterReceiver(mIntentReceiver);
}
@Override
public boolean onPreferenceTreeClick(Preference preference) {
if (preference instanceof ZonePreference) {
// Update the system timezone value
final TimeZoneDetector timeZoneDetector =
getActivity().getSystemService(TimeZoneDetector.class);
ManualTimeZoneSuggestion suggestion = TimeZoneDetector.createManualTimeZoneSuggestion(
preference.getKey(), "Settings: Set time zone");
timeZoneDetector.suggestManualTimeZone(suggestion);
if (getParentFragment() instanceof TwoPanelSettingsFragment) {
((TwoPanelSettingsFragment) getParentFragment()).navigateBack();
} else if (!getFragmentManager().popBackStackImmediate()) {
getActivity().finish();
}
}
return super.onPreferenceTreeClick(preference);
}
private void updateZones() {
final String id = TimeZone.getDefault().getID();
final PreferenceScreen screen = getPreferenceScreen();
final int count = screen.getPreferenceCount();
for (int i = 0; i < count; i++) {
final Preference pref = screen.getPreference(i);
if (!(pref instanceof ZonePreference)) {
continue;
}
final ZonePreference zonePref = (ZonePreference) pref;
zonePref.setChecked(TextUtils.equals(zonePref.getKey(), id));
}
}
private static class ZonePreference extends CheckBoxPreference {
Integer offset;
public ZonePreference(Context context, Map<? extends String, ?> zone) {
super(context);
setWidgetLayoutResource(R.layout.radio_preference_widget);
setKey((String) zone.get(ZoneGetter.KEY_ID));
setPersistent(false);
setTitle((String) zone.get(ZoneGetter.KEY_DISPLAYNAME));
setSummary((String) zone.get(ZoneGetter.KEY_GMT));
offset = (Integer) zone.get(ZoneGetter.KEY_OFFSET);
}
}
private static class ZonePrefComparator implements Comparator<ZonePreference> {
public int compare(ZonePreference zone1, ZonePreference zone2) {
final int firstResult = zone1.offset.compareTo(zone2.offset);
if (firstResult != 0) {
return firstResult;
}
return zone1.getTitle().toString().compareTo(zone2.getTitle().toString());
}
}
@Override
protected int getPageId() {
return TvSettingsEnums.SYSTEM_DATE_TIME_SET_TIME_ZONE;
}
}
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