1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package com.android.tv.settings.system;
18
19import android.app.Activity;
20import android.content.BroadcastReceiver;
21import android.content.Context;
22import android.content.Intent;
23import android.content.IntentFilter;
24import android.os.Bundle;
25import android.os.SystemProperties;
26import android.provider.Settings;
27import android.support.v14.preference.SwitchPreference;
28import android.support.v17.preference.LeanbackPreferenceFragment;
29import android.support.v7.preference.ListPreference;
30import android.support.v7.preference.Preference;
31import android.text.TextUtils;
32import android.text.format.DateFormat;
33
34import com.android.settingslib.datetime.ZoneGetter;
35import com.android.tv.settings.R;
36
37import java.util.Calendar;
38import java.util.Date;
39
40public class DateTimeFragment extends LeanbackPreferenceFragment implements
41        Preference.OnPreferenceChangeListener {
42
43    private static final String KEY_AUTO_DATE_TIME = "auto_date_time";
44    private static final String KEY_SET_DATE = "set_date";
45    private static final String KEY_SET_TIME = "set_time";
46    private static final String KEY_SET_TIME_ZONE = "set_time_zone";
47    private static final String KEY_USE_24_HOUR = "use_24_hour";
48
49    private static final String AUTO_DATE_TIME_NTP = "network";
50    private static final String AUTO_DATE_TIME_TS = "transport_stream";
51    private static final String AUTO_DATE_TIME_OFF = "off";
52
53    private static final String HOURS_12 = "12";
54    private static final String HOURS_24 = "24";
55
56    //    private TvInputManager mTvInputManager;
57    private final Calendar mDummyDate = Calendar.getInstance();
58
59    private Preference mDatePref;
60    private Preference mTimePref;
61    private Preference mTimeZone;
62    private Preference mTime24Pref;
63
64    private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
65        @Override
66        public void onReceive(Context context, Intent intent) {
67            final Activity activity = getActivity();
68            if (activity != null) {
69                updateTimeAndDateDisplay(activity);
70            }
71        }
72    };
73
74    public static DateTimeFragment newInstance() {
75        return new DateTimeFragment();
76    }
77
78    @Override
79    public void onCreate(Bundle savedInstanceState) {
80//        mTvInputManager =
81//                (TvInputManager) getActivity().getSystemService(Context.TV_INPUT_SERVICE);
82        super.onCreate(savedInstanceState);
83    }
84
85    @Override
86    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
87        setPreferencesFromResource(R.xml.date_time, null);
88
89        mDatePref = findPreference(KEY_SET_DATE);
90        mDatePref.setIntent(SetDateTimeActivity.getSetDateIntent(getActivity()));
91        mTimePref = findPreference(KEY_SET_TIME);
92        mTimePref.setIntent(SetDateTimeActivity.getSetTimeIntent(getActivity()));
93
94        final boolean tsTimeCapable = SystemProperties.getBoolean("ro.config.ts.date.time", false);
95        final ListPreference autoDateTimePref =
96                (ListPreference) findPreference(KEY_AUTO_DATE_TIME);
97        autoDateTimePref.setValue(getAutoDateTimeState());
98        autoDateTimePref.setOnPreferenceChangeListener(this);
99        if (tsTimeCapable) {
100            autoDateTimePref.setEntries(R.array.auto_date_time_ts_entries);
101            autoDateTimePref.setEntryValues(R.array.auto_date_time_ts_entry_values);
102        }
103        mTimeZone = findPreference(KEY_SET_TIME_ZONE);
104        mTime24Pref = findPreference(KEY_USE_24_HOUR);
105        mTime24Pref.setOnPreferenceChangeListener(this);
106    }
107
108    @Override
109    public void onResume() {
110        super.onResume();
111
112        ((SwitchPreference)mTime24Pref).setChecked(is24Hour());
113
114        // Register for time ticks and other reasons for time change
115        IntentFilter filter = new IntentFilter();
116        filter.addAction(Intent.ACTION_TIME_TICK);
117        filter.addAction(Intent.ACTION_TIME_CHANGED);
118        filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
119        getActivity().registerReceiver(mIntentReceiver, filter, null, null);
120
121        updateTimeAndDateDisplay(getActivity());
122        updateTimeDateEnable();
123    }
124
125    @Override
126    public void onPause() {
127        super.onPause();
128        getActivity().unregisterReceiver(mIntentReceiver);
129    }
130
131    private void updateTimeAndDateDisplay(Context context) {
132        final Calendar now = Calendar.getInstance();
133        mDummyDate.setTimeZone(now.getTimeZone());
134        // We use December 31st because it's unambiguous when demonstrating the date format.
135        // We use 13:00 so we can demonstrate the 12/24 hour options.
136        mDummyDate.set(now.get(Calendar.YEAR), 11, 31, 13, 0, 0);
137        Date dummyDate = mDummyDate.getTime();
138        mDatePref.setSummary(DateFormat.getLongDateFormat(context).format(now.getTime()));
139        mTimePref.setSummary(DateFormat.getTimeFormat(getActivity()).format(now.getTime()));
140        mTimeZone.setSummary(ZoneGetter.getTimeZoneOffsetAndName(now.getTimeZone(), now.getTime()));
141        mTime24Pref.setSummary(DateFormat.getTimeFormat(getActivity()).format(dummyDate));
142    }
143
144    private void updateTimeDateEnable() {
145        final boolean enable = TextUtils.equals(getAutoDateTimeState(), AUTO_DATE_TIME_OFF);
146        mDatePref.setEnabled(enable);
147        mTimePref.setEnabled(enable);
148    }
149
150    @Override
151    public boolean onPreferenceChange(Preference preference, Object newValue) {
152        if (TextUtils.equals(preference.getKey(), KEY_AUTO_DATE_TIME)) {
153            String value = (String) newValue;
154            if (TextUtils.equals(value, AUTO_DATE_TIME_NTP)) {
155                setAutoDateTime(true);
156            } else if (TextUtils.equals(value, AUTO_DATE_TIME_TS)) {
157                throw new IllegalStateException("TS date is not yet implemented");
158//                mTvInputManager.syncTimefromBroadcast(true);
159//                setAutoDateTime(false);
160            } else if (TextUtils.equals(value, AUTO_DATE_TIME_OFF)) {
161                setAutoDateTime(false);
162            } else {
163                throw new IllegalArgumentException("Unknown auto time value " + value);
164            }
165            updateTimeDateEnable();
166        } else if (TextUtils.equals(preference.getKey(), KEY_USE_24_HOUR)) {
167            set24Hour((Boolean) newValue);
168            updateTimeAndDateDisplay(getActivity());
169        }
170        return true;
171    }
172
173    /*  Get & Set values from the system settings  */
174
175    private boolean is24Hour() {
176        return DateFormat.is24HourFormat(getActivity());
177    }
178
179    private void set24Hour(boolean is24Hour) {
180        Settings.System.putString(getActivity().getContentResolver(),
181                Settings.System.TIME_12_24,
182                is24Hour? HOURS_24 : HOURS_12);
183    }
184
185    private void setAutoDateTime(boolean on) {
186        Settings.Global.putInt(getActivity().getContentResolver(),
187                Settings.Global.AUTO_TIME, on ? 1 : 0);
188    }
189
190    private String getAutoDateTimeState() {
191//        if(mTvInputManager.isUseBroadcastDateTime()) {
192//            return AUTO_DATE_TIME_TS;
193//        }
194
195        int value = Settings.Global.getInt(getActivity().getContentResolver(),
196                Settings.Global.AUTO_TIME, 0);
197        if(value > 0) {
198            return AUTO_DATE_TIME_NTP;
199        }
200
201        return AUTO_DATE_TIME_OFF;
202    }
203
204}
205