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      1 /*
      2  * Copyright (C) 2009 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 
     17 package com.android.deskclock.settings;
     18 
     19 import android.app.Activity;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.content.res.Resources;
     23 import android.media.AudioManager;
     24 import android.os.Bundle;
     25 import android.preference.ListPreference;
     26 import android.preference.Preference;
     27 import android.preference.PreferenceFragment;
     28 import android.preference.RingtonePreference;
     29 import android.preference.SwitchPreference;
     30 import android.provider.Settings;
     31 import android.text.format.DateUtils;
     32 import android.view.Menu;
     33 import android.view.MenuItem;
     34 
     35 import com.android.deskclock.BaseActivity;
     36 import com.android.deskclock.LogUtils;
     37 import com.android.deskclock.R;
     38 import com.android.deskclock.Utils;
     39 import com.android.deskclock.actionbarmenu.ActionBarMenuManager;
     40 import com.android.deskclock.actionbarmenu.MenuItemControllerFactory;
     41 import com.android.deskclock.actionbarmenu.NavUpMenuItemController;
     42 import com.android.deskclock.data.DataModel;
     43 
     44 import java.util.ArrayList;
     45 import java.util.Collections;
     46 import java.util.List;
     47 import java.util.Locale;
     48 import java.util.TimeZone;
     49 
     50 /**
     51  * Settings for the Alarm Clock.
     52  */
     53 public final class SettingsActivity extends BaseActivity {
     54 
     55     public static final String KEY_ALARM_SNOOZE = "snooze_duration";
     56     public static final String KEY_ALARM_VOLUME = "volume_setting";
     57     public static final String KEY_ALARM_CRESCENDO = "alarm_crescendo_duration";
     58     public static final String KEY_TIMER_CRESCENDO = "timer_crescendo_duration";
     59     public static final String KEY_TIMER_RINGTONE = "timer_ringtone";
     60     public static final String KEY_AUTO_SILENCE = "auto_silence";
     61     public static final String KEY_CLOCK_STYLE = "clock_style";
     62     public static final String KEY_HOME_TZ = "home_time_zone";
     63     public static final String KEY_AUTO_HOME_CLOCK = "automatic_home_clock";
     64     public static final String KEY_DATE_TIME = "date_time";
     65     public static final String KEY_VOLUME_BUTTONS = "volume_button_setting";
     66     public static final String KEY_WEEK_START = "week_start";
     67 
     68     public static final String TIMEZONE_LOCALE = "tz_locale";
     69 
     70     public static final String DEFAULT_VOLUME_BEHAVIOR = "0";
     71     public static final String VOLUME_BEHAVIOR_SNOOZE = "1";
     72     public static final String VOLUME_BEHAVIOR_DISMISS = "2";
     73 
     74     private final ActionBarMenuManager mActionBarMenuManager = new ActionBarMenuManager(this);
     75 
     76     @Override
     77     protected void onCreate(Bundle savedInstanceState) {
     78         super.onCreate(savedInstanceState);
     79         setVolumeControlStream(AudioManager.STREAM_ALARM);
     80         setContentView(R.layout.settings);
     81         mActionBarMenuManager.addMenuItemController(new NavUpMenuItemController(this))
     82             .addMenuItemController(MenuItemControllerFactory.getInstance()
     83                     .buildMenuItemControllers(this));
     84     }
     85 
     86     @Override
     87     public boolean onCreateOptionsMenu(Menu menu) {
     88         mActionBarMenuManager.createOptionsMenu(menu, getMenuInflater());
     89         return true;
     90     }
     91 
     92     @Override
     93     public boolean onPrepareOptionsMenu(Menu menu) {
     94         mActionBarMenuManager.prepareShowMenu(menu);
     95         return true;
     96     }
     97 
     98     @Override
     99     public boolean onOptionsItemSelected(MenuItem item) {
    100         if (mActionBarMenuManager.handleMenuItemClick(item)) {
    101             return true;
    102         }
    103         return super.onOptionsItemSelected(item);
    104     }
    105 
    106     public static class PrefsFragment extends PreferenceFragment
    107             implements Preference.OnPreferenceChangeListener, Preference.OnPreferenceClickListener {
    108         @Override
    109         public void onCreate(Bundle savedInstanceState) {
    110             super.onCreate(savedInstanceState);
    111 
    112             addPreferencesFromResource(R.xml.settings);
    113             loadTimeZoneList();
    114         }
    115 
    116         @Override
    117         public void onActivityCreated(Bundle savedInstanceState) {
    118             super.onActivityCreated(savedInstanceState);
    119 
    120             // By default, do not recreate the DeskClock activity
    121             getActivity().setResult(RESULT_CANCELED);
    122 
    123         }
    124 
    125         @Override
    126         public void onResume() {
    127             super.onResume();
    128 
    129             refresh();
    130         }
    131 
    132         @Override
    133         public boolean onPreferenceChange(Preference pref, Object newValue) {
    134             final int idx;
    135             switch (pref.getKey()) {
    136                 case KEY_AUTO_SILENCE:
    137                     final ListPreference autoSilencePref = (ListPreference) pref;
    138                     String delay = (String) newValue;
    139                     updateAutoSnoozeSummary(autoSilencePref, delay);
    140                     break;
    141                 case KEY_CLOCK_STYLE:
    142                     final ListPreference clockStylePref = (ListPreference) pref;
    143                     idx = clockStylePref.findIndexOfValue((String) newValue);
    144                     clockStylePref.setSummary(clockStylePref.getEntries()[idx]);
    145                     break;
    146                 case KEY_HOME_TZ:
    147                     final ListPreference homeTimezonePref = (ListPreference) pref;
    148                     idx = homeTimezonePref.findIndexOfValue((String) newValue);
    149                     homeTimezonePref.setSummary(homeTimezonePref.getEntries()[idx]);
    150                     break;
    151                 case KEY_AUTO_HOME_CLOCK:
    152                     final boolean autoHomeClockEnabled = ((SwitchPreference) pref).isChecked();
    153                     final Preference homeTimeZonePref = findPreference(KEY_HOME_TZ);
    154                     homeTimeZonePref.setEnabled(!autoHomeClockEnabled);
    155                     break;
    156                 case KEY_VOLUME_BUTTONS:
    157                     final ListPreference volumeButtonsPref = (ListPreference) pref;
    158                     final int index = volumeButtonsPref.findIndexOfValue((String) newValue);
    159                     volumeButtonsPref.setSummary(volumeButtonsPref.getEntries()[index]);
    160                     break;
    161                 case KEY_WEEK_START:
    162                     final ListPreference weekStartPref = (ListPreference)
    163                             findPreference(KEY_WEEK_START);
    164                     idx = weekStartPref.findIndexOfValue((String) newValue);
    165                     weekStartPref.setSummary(weekStartPref.getEntries()[idx]);
    166                     break;
    167                 case KEY_TIMER_RINGTONE:
    168                     final RingtonePreference timerRingtonePref = (RingtonePreference)
    169                             findPreference(KEY_TIMER_RINGTONE);
    170                     timerRingtonePref.setSummary(DataModel.getDataModel().getTimerRingtoneTitle());
    171                     break;
    172             }
    173             // Set result so DeskClock knows to refresh itself
    174             getActivity().setResult(RESULT_OK);
    175             return true;
    176         }
    177 
    178         @Override
    179         public boolean onPreferenceClick(Preference pref) {
    180             final Activity activity = getActivity();
    181             if (activity == null) {
    182                 return false;
    183             }
    184 
    185             switch (pref.getKey()) {
    186                 case KEY_DATE_TIME:
    187                     final Intent dialogIntent = new Intent(Settings.ACTION_DATE_SETTINGS);
    188                     dialogIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    189                     startActivity(dialogIntent);
    190                     return true;
    191                 case KEY_ALARM_VOLUME:
    192                     final AudioManager audioManager =
    193                             (AudioManager) activity.getSystemService(Context.AUDIO_SERVICE);
    194                     audioManager.adjustStreamVolume(AudioManager.STREAM_ALARM,
    195                             AudioManager.ADJUST_SAME, AudioManager.FLAG_SHOW_UI);
    196                     return true;
    197                 default:
    198                     return false;
    199             }
    200         }
    201 
    202         /**
    203          * Reconstruct the timezone list.
    204          */
    205         private void loadTimeZoneList() {
    206             final CharSequence[][] timezones = getAllTimezones();
    207             final ListPreference homeTimezonePref = (ListPreference) findPreference(KEY_HOME_TZ);
    208             homeTimezonePref.setEntryValues(timezones[0]);
    209             homeTimezonePref.setEntries(timezones[1]);
    210             homeTimezonePref.setSummary(homeTimezonePref.getEntry());
    211             homeTimezonePref.setOnPreferenceChangeListener(this);
    212         }
    213 
    214         /**
    215          * Returns an array of ids/time zones. This returns a double indexed array
    216          * of ids and time zones for Calendar. It is an inefficient method and
    217          * shouldn't be called often, but can be used for one time generation of
    218          * this list.
    219          *
    220          * @return double array of tz ids and tz names
    221          */
    222         public CharSequence[][] getAllTimezones() {
    223             final Resources res = getResources();
    224             final String[] ids = res.getStringArray(R.array.timezone_values);
    225             final String[] labels = res.getStringArray(R.array.timezone_labels);
    226 
    227             int minLength = ids.length;
    228             if (ids.length != labels.length) {
    229                 minLength = Math.min(minLength, labels.length);
    230                 LogUtils.e("Timezone ids and labels have different length!");
    231             }
    232 
    233             final long currentTimeMillis = System.currentTimeMillis();
    234             final List<TimeZoneRow> timezones = new ArrayList<>(minLength);
    235             for (int i = 0; i < minLength; i++) {
    236                 timezones.add(new TimeZoneRow(ids[i], labels[i], currentTimeMillis));
    237             }
    238             Collections.sort(timezones);
    239 
    240             final CharSequence[][] timeZones = new CharSequence[2][timezones.size()];
    241             int i = 0;
    242             for (TimeZoneRow row : timezones) {
    243                 timeZones[0][i] = row.mId;
    244                 timeZones[1][i++] = row.mDisplayName;
    245             }
    246             return timeZones;
    247         }
    248 
    249         private void refresh() {
    250             final ListPreference autoSilencePref =
    251                     (ListPreference) findPreference(KEY_AUTO_SILENCE);
    252             String delay = autoSilencePref.getValue();
    253             updateAutoSnoozeSummary(autoSilencePref, delay);
    254             autoSilencePref.setOnPreferenceChangeListener(this);
    255 
    256             final ListPreference clockStylePref = (ListPreference) findPreference(KEY_CLOCK_STYLE);
    257             clockStylePref.setSummary(clockStylePref.getEntry());
    258             clockStylePref.setOnPreferenceChangeListener(this);
    259 
    260             final Preference autoHomeClockPref = findPreference(KEY_AUTO_HOME_CLOCK);
    261             final boolean autoHomeClockEnabled = ((SwitchPreference) autoHomeClockPref).isChecked();
    262             autoHomeClockPref.setOnPreferenceChangeListener(this);
    263 
    264             final ListPreference homeTimezonePref = (ListPreference) findPreference(KEY_HOME_TZ);
    265             homeTimezonePref.setEnabled(autoHomeClockEnabled);
    266             homeTimezonePref.setSummary(homeTimezonePref.getEntry());
    267             homeTimezonePref.setOnPreferenceChangeListener(this);
    268 
    269             final ListPreference volumeButtonsPref =
    270                     (ListPreference) findPreference(KEY_VOLUME_BUTTONS);
    271             volumeButtonsPref.setSummary(volumeButtonsPref.getEntry());
    272             volumeButtonsPref.setOnPreferenceChangeListener(this);
    273 
    274             final Preference volumePref = findPreference(KEY_ALARM_VOLUME);
    275             volumePref.setOnPreferenceClickListener(this);
    276 
    277             final SnoozeLengthDialog snoozePref =
    278                     (SnoozeLengthDialog) findPreference(KEY_ALARM_SNOOZE);
    279             snoozePref.setSummary();
    280 
    281             final CrescendoLengthDialog alarmCrescendoPref =
    282                     (CrescendoLengthDialog) findPreference(KEY_ALARM_CRESCENDO);
    283             alarmCrescendoPref.setSummary();
    284 
    285             final CrescendoLengthDialog timerCrescendoPref =
    286                     (CrescendoLengthDialog) findPreference(KEY_TIMER_CRESCENDO);
    287             timerCrescendoPref.setSummary();
    288 
    289             final Preference dateAndTimeSetting = findPreference(KEY_DATE_TIME);
    290             dateAndTimeSetting.setOnPreferenceClickListener(this);
    291 
    292             final ListPreference weekStartPref = (ListPreference) findPreference(KEY_WEEK_START);
    293             // Set the default value programmatically
    294             final String value = weekStartPref.getValue();
    295             final int idx = weekStartPref.findIndexOfValue(
    296                     value == null ? String.valueOf(Utils.DEFAULT_WEEK_START) : value);
    297             weekStartPref.setValueIndex(idx);
    298             weekStartPref.setSummary(weekStartPref.getEntries()[idx]);
    299             weekStartPref.setOnPreferenceChangeListener(this);
    300 
    301             final RingtonePreference timerRingtonePref =
    302                     (RingtonePreference) findPreference(KEY_TIMER_RINGTONE);
    303             timerRingtonePref.setSummary(DataModel.getDataModel().getTimerRingtoneTitle());
    304             timerRingtonePref.setOnPreferenceChangeListener(this);
    305         }
    306 
    307         private void updateAutoSnoozeSummary(ListPreference listPref, String delay) {
    308             int i = Integer.parseInt(delay);
    309             if (i == -1) {
    310                 listPref.setSummary(R.string.auto_silence_never);
    311             } else {
    312                 listPref.setSummary(Utils.getNumberFormattedQuantityString(getActivity(),
    313                         R.plurals.auto_silence_summary, i));
    314             }
    315         }
    316 
    317         private static class TimeZoneRow implements Comparable<TimeZoneRow> {
    318 
    319             private static final boolean SHOW_DAYLIGHT_SAVINGS_INDICATOR = false;
    320 
    321             public final String mId;
    322             public final String mDisplayName;
    323             public final int mOffset;
    324 
    325             public TimeZoneRow(String id, String name, long currentTimeMillis) {
    326                 final TimeZone tz = TimeZone.getTimeZone(id);
    327                 final boolean useDaylightTime = tz.useDaylightTime();
    328                 mId = id;
    329                 mOffset = tz.getOffset(currentTimeMillis);
    330                 mDisplayName = buildGmtDisplayName(name, useDaylightTime);
    331             }
    332 
    333             @Override
    334             public int compareTo(TimeZoneRow another) {
    335                 return mOffset - another.mOffset;
    336             }
    337 
    338             public String buildGmtDisplayName(String displayName, boolean useDaylightTime) {
    339                 final int p = Math.abs(mOffset);
    340                 final StringBuilder name = new StringBuilder("(GMT");
    341                 name.append(mOffset < 0 ? '-' : '+');
    342 
    343                 name.append(p / DateUtils.HOUR_IN_MILLIS);
    344                 name.append(':');
    345 
    346                 int min = p / 60000;
    347                 min %= 60;
    348 
    349                 if (min < 10) {
    350                     name.append('0');
    351                 }
    352                 name.append(min);
    353                 name.append(") ");
    354                 name.append(displayName);
    355                 if (useDaylightTime && SHOW_DAYLIGHT_SAVINGS_INDICATOR) {
    356                     name.append(" \u2600"); // Sun symbol
    357                 }
    358                 return name.toString();
    359             }
    360         }
    361     }
    362 }
    363