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      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 
     17 package com.android.settings.notification;
     18 
     19 import android.content.Context;
     20 import android.content.pm.PackageManager.NameNotFoundException;
     21 import android.database.Cursor;
     22 import android.os.UserHandle;
     23 import android.os.UserManager;
     24 import android.preference.PreferenceScreen;
     25 import android.provider.CalendarContract.Calendars;
     26 import android.provider.Settings;
     27 import android.service.notification.ZenModeConfig;
     28 import android.service.notification.ZenModeConfig.EventInfo;
     29 import android.service.notification.ZenModeConfig.ZenRule;
     30 
     31 import com.android.internal.logging.MetricsLogger;
     32 import com.android.settings.DropDownPreference;
     33 import com.android.settings.R;
     34 
     35 import java.util.ArrayList;
     36 import java.util.Collections;
     37 import java.util.Comparator;
     38 import java.util.List;
     39 
     40 public class ZenModeEventRuleSettings extends ZenModeRuleSettingsBase {
     41     private static final String KEY_CALENDAR = "calendar";
     42     private static final String KEY_REPLY = "reply";
     43 
     44     public static final String ACTION = Settings.ACTION_ZEN_MODE_EVENT_RULE_SETTINGS;
     45 
     46     private DropDownPreference mCalendar;
     47     private DropDownPreference mReply;
     48 
     49     private EventInfo mEvent;
     50     private List<CalendarInfo> mCalendars;
     51     private boolean mCreate;
     52 
     53     @Override
     54     protected boolean setRule(ZenRule rule) {
     55         mEvent = rule != null ? ZenModeConfig.tryParseEventConditionId(rule.conditionId)
     56                 : null;
     57         return mEvent != null;
     58     }
     59 
     60     @Override
     61     protected String getZenModeDependency() {
     62         return null;
     63     }
     64 
     65     @Override
     66     protected int getEnabledToastText() {
     67         return R.string.zen_event_rule_enabled_toast;
     68     }
     69 
     70     @Override
     71     public void onResume() {
     72         super.onResume();
     73         if (!mCreate) {
     74             reloadCalendar();
     75         }
     76         mCreate = false;
     77     }
     78 
     79     private void reloadCalendar() {
     80         mCalendars = getCalendars(mContext);
     81         mCalendar.clearItems();
     82         mCalendar.addItem(R.string.zen_mode_event_rule_calendar_any, key(0, null));
     83         final String eventCalendar = mEvent != null ? mEvent.calendar : null;
     84         boolean found = false;
     85         for (CalendarInfo calendar : mCalendars) {
     86             mCalendar.addItem(calendar.name, key(calendar));
     87             if (eventCalendar != null && eventCalendar.equals(calendar.name)) {
     88                 found = true;
     89             }
     90         }
     91         if (eventCalendar != null && !found) {
     92             mCalendar.addItem(eventCalendar, key(mEvent.userId, eventCalendar));
     93         }
     94     }
     95 
     96     @Override
     97     protected void onCreateInternal() {
     98         mCreate = true;
     99         addPreferencesFromResource(R.xml.zen_mode_event_rule_settings);
    100         final PreferenceScreen root = getPreferenceScreen();
    101 
    102         mCalendar = (DropDownPreference) root.findPreference(KEY_CALENDAR);
    103         mCalendar.setCallback(new DropDownPreference.Callback() {
    104             @Override
    105             public boolean onItemSelected(int pos, Object value) {
    106                 final String calendarKey = (String) value;
    107                 if (calendarKey.equals(key(mEvent))) return true;
    108                 final int i = calendarKey.indexOf(':');
    109                 mEvent.userId = Integer.parseInt(calendarKey.substring(0, i));
    110                 mEvent.calendar = calendarKey.substring(i + 1);
    111                 if (mEvent.calendar.isEmpty()) {
    112                     mEvent.calendar = null;
    113                 }
    114                 updateRule(ZenModeConfig.toEventConditionId(mEvent));
    115                 return true;
    116             }
    117         });
    118 
    119         mReply = (DropDownPreference) root.findPreference(KEY_REPLY);
    120         mReply.addItem(R.string.zen_mode_event_rule_reply_any_except_no,
    121                 EventInfo.REPLY_ANY_EXCEPT_NO);
    122         mReply.addItem(R.string.zen_mode_event_rule_reply_yes_or_maybe,
    123                 EventInfo.REPLY_YES_OR_MAYBE);
    124         mReply.addItem(R.string.zen_mode_event_rule_reply_yes,
    125                 EventInfo.REPLY_YES);
    126         mReply.setCallback(new DropDownPreference.Callback() {
    127             @Override
    128             public boolean onItemSelected(int pos, Object value) {
    129                 final int reply = (Integer) value;
    130                 if (reply == mEvent.reply) return true;
    131                 mEvent.reply = reply;
    132                 updateRule(ZenModeConfig.toEventConditionId(mEvent));
    133                 return true;
    134             }
    135         });
    136 
    137         reloadCalendar();
    138         updateControlsInternal();
    139     }
    140 
    141     @Override
    142     protected void updateControlsInternal() {
    143         mCalendar.setSelectedValue(key(mEvent));
    144         mReply.setSelectedValue(mEvent.reply);
    145     }
    146 
    147     @Override
    148     protected int getMetricsCategory() {
    149         return MetricsLogger.NOTIFICATION_ZEN_MODE_EVENT_RULE;
    150     }
    151 
    152     public static CalendarInfo findCalendar(Context context, EventInfo event) {
    153         if (context == null || event == null) return null;
    154         final String eventKey = key(event);
    155         for (CalendarInfo calendar : getCalendars(context)) {
    156             if (eventKey.equals(key(calendar))) {
    157                 return calendar;
    158             }
    159         }
    160         return null;
    161     }
    162 
    163     private static List<CalendarInfo> getCalendars(Context context) {
    164         final List<CalendarInfo> calendars = new ArrayList<>();
    165         for (UserHandle user : UserManager.get(context).getUserProfiles()) {
    166             final Context userContext = getContextForUser(context, user);
    167             if (userContext != null) {
    168                 addCalendars(userContext, calendars);
    169             }
    170         }
    171         Collections.sort(calendars, CALENDAR_NAME);
    172         return calendars;
    173     }
    174 
    175     private static Context getContextForUser(Context context, UserHandle user) {
    176         try {
    177             return context.createPackageContextAsUser(context.getPackageName(), 0, user);
    178         } catch (NameNotFoundException e) {
    179             return null;
    180         }
    181     }
    182 
    183     public static void addCalendars(Context context, List<CalendarInfo> outCalendars) {
    184         final String primary = "\"primary\"";
    185         final String[] projection = { Calendars._ID, Calendars.CALENDAR_DISPLAY_NAME,
    186                 "(" + Calendars.ACCOUNT_NAME + "=" + Calendars.OWNER_ACCOUNT + ") AS " + primary };
    187         final String selection = primary + " = 1";
    188         Cursor cursor = null;
    189         try {
    190             cursor = context.getContentResolver().query(Calendars.CONTENT_URI, projection,
    191                     selection, null, null);
    192             if (cursor == null) {
    193                 return;
    194             }
    195             while (cursor.moveToNext()) {
    196                 final CalendarInfo ci = new CalendarInfo();
    197                 ci.name = cursor.getString(1);
    198                 ci.userId = context.getUserId();
    199                 outCalendars.add(ci);
    200             }
    201         } finally {
    202             if (cursor != null) {
    203                 cursor.close();
    204             }
    205         }
    206     }
    207 
    208     private static String key(CalendarInfo calendar) {
    209         return key(calendar.userId, calendar.name);
    210     }
    211 
    212     private static String key(EventInfo event) {
    213         return key(event.userId, event.calendar);
    214     }
    215 
    216     private static String key(int userId, String calendar) {
    217         return EventInfo.resolveUserId(userId) + ":" + (calendar == null ? "" : calendar);
    218     }
    219 
    220     private static final Comparator<CalendarInfo> CALENDAR_NAME = new Comparator<CalendarInfo>() {
    221         @Override
    222         public int compare(CalendarInfo lhs, CalendarInfo rhs) {
    223             return lhs.name.compareTo(rhs.name);
    224         }
    225     };
    226 
    227     public static class CalendarInfo {
    228         public String name;
    229         public int userId;
    230     }
    231 
    232 }
    233