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      1 /*
      2  * Copyright (C) 2014 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.app.NotificationChannel;
     20 import android.app.NotificationChannelGroup;
     21 import android.content.Context;
     22 import android.os.AsyncTask;
     23 import android.os.Bundle;
     24 import android.support.v14.preference.SwitchPreference;
     25 import android.support.v7.preference.Preference;
     26 import android.support.v7.preference.PreferenceCategory;
     27 import android.support.v7.preference.PreferenceGroup;
     28 import android.support.v7.preference.PreferenceScreen;
     29 import android.text.TextUtils;
     30 import android.util.Log;
     31 
     32 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     33 import com.android.internal.widget.LockPatternUtils;
     34 import com.android.settings.R;
     35 import com.android.settings.widget.MasterCheckBoxPreference;
     36 import com.android.settingslib.RestrictedSwitchPreference;
     37 import com.android.settingslib.core.AbstractPreferenceController;
     38 
     39 import java.util.ArrayList;
     40 import java.util.Collections;
     41 import java.util.Comparator;
     42 import java.util.List;
     43 
     44 /** These settings are per app, so should not be returned in global search results. */
     45 public class AppNotificationSettings extends NotificationSettingsBase {
     46     private static final String TAG = "AppNotificationSettings";
     47     private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
     48 
     49     private static String KEY_GENERAL_CATEGORY = "categories";
     50     private static String KEY_ADVANCED_CATEGORY = "app_advanced";
     51     private static String KEY_BADGE = "badge";
     52     private static String KEY_APP_LINK = "app_link";
     53 
     54     private List<NotificationChannelGroup> mChannelGroupList;
     55 
     56     @Override
     57     public int getMetricsCategory() {
     58         return MetricsEvent.NOTIFICATION_APP_NOTIFICATION;
     59     }
     60 
     61     @Override
     62     public void onCreate(Bundle savedInstanceState) {
     63         super.onCreate(savedInstanceState);
     64         final PreferenceScreen screen = getPreferenceScreen();
     65         if (mShowLegacyChannelConfig && screen != null) {
     66             // if showing legacy settings, pull advanced settings out of the advanced category
     67             Preference badge = findPreference(KEY_BADGE);
     68             Preference appLink = findPreference(KEY_APP_LINK);
     69             removePreference(KEY_ADVANCED_CATEGORY);
     70             if (badge != null) {
     71                 screen.addPreference(badge);
     72 
     73             }
     74             if (appLink != null) {
     75                 screen.addPreference(appLink);
     76             }
     77         }
     78     }
     79 
     80     @Override
     81     public void onResume() {
     82         super.onResume();
     83 
     84         if (mUid < 0 || TextUtils.isEmpty(mPkg) || mPkgInfo == null) {
     85             Log.w(TAG, "Missing package or uid or packageinfo");
     86             finish();
     87             return;
     88         }
     89 
     90         if (!mShowLegacyChannelConfig) {
     91             // Load channel settings
     92             new AsyncTask<Void, Void, Void>() {
     93                 @Override
     94                 protected Void doInBackground(Void... unused) {
     95                     mChannelGroupList = mBackend.getGroups(mPkg, mUid).getList();
     96                     Collections.sort(mChannelGroupList, mChannelGroupComparator);
     97                     return null;
     98                 }
     99 
    100                 @Override
    101                 protected void onPostExecute(Void unused) {
    102                     if (getHost() == null) {
    103                         return;
    104                     }
    105                     populateList();
    106                 }
    107             }.execute();
    108         }
    109 
    110         for (NotificationPreferenceController controller : mControllers) {
    111             controller.onResume(mAppRow, mChannel, mChannelGroup, mSuspendedAppsAdmin);
    112             controller.displayPreference(getPreferenceScreen());
    113         }
    114         updatePreferenceStates();
    115     }
    116 
    117     @Override
    118     protected String getLogTag() {
    119         return TAG;
    120     }
    121 
    122     @Override
    123     protected int getPreferenceScreenResId() {
    124         return R.xml.app_notification_settings;
    125     }
    126 
    127     @Override
    128     protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
    129         mControllers = new ArrayList<>();
    130         mControllers.add(new HeaderPreferenceController(context, this));
    131         mControllers.add(new BlockPreferenceController(context, mImportanceListener, mBackend));
    132         mControllers.add(new BadgePreferenceController(context, mBackend));
    133         mControllers.add(new AllowSoundPreferenceController(
    134                 context, mImportanceListener, mBackend));
    135         mControllers.add(new ImportancePreferenceController(
    136                 context, mImportanceListener, mBackend));
    137         mControllers.add(new SoundPreferenceController(context, this,
    138                 mImportanceListener, mBackend));
    139         mControllers.add(new LightsPreferenceController(context, mBackend));
    140         mControllers.add(new VibrationPreferenceController(context, mBackend));
    141         mControllers.add(new VisibilityPreferenceController(context, new LockPatternUtils(context),
    142                 mBackend));
    143         mControllers.add(new DndPreferenceController(context, mBackend));
    144         mControllers.add(new AppLinkPreferenceController(context));
    145         mControllers.add(new DescriptionPreferenceController(context));
    146         mControllers.add(new NotificationsOffPreferenceController(context));
    147         mControllers.add(new DeletedChannelsPreferenceController(context, mBackend));
    148         return new ArrayList<>(mControllers);
    149     }
    150 
    151     private void populateList() {
    152         if (!mDynamicPreferences.isEmpty()) {
    153             for (Preference p : mDynamicPreferences) {
    154                 getPreferenceScreen().removePreference(p);
    155             }
    156             mDynamicPreferences.clear();
    157         }
    158         if (mChannelGroupList.isEmpty()) {
    159             PreferenceCategory groupCategory = new PreferenceCategory(getPrefContext());
    160             groupCategory.setTitle(R.string.notification_channels);
    161             groupCategory.setKey(KEY_GENERAL_CATEGORY);
    162             getPreferenceScreen().addPreference(groupCategory);
    163             mDynamicPreferences.add(groupCategory);
    164 
    165             Preference empty = new Preference(getPrefContext());
    166             empty.setTitle(R.string.no_channels);
    167             empty.setEnabled(false);
    168             groupCategory.addPreference(empty);
    169         } else {
    170             populateGroupList();
    171             mImportanceListener.onImportanceChanged();
    172         }
    173     }
    174 
    175     private void populateGroupList() {
    176         for (NotificationChannelGroup group : mChannelGroupList) {
    177             PreferenceCategory groupCategory = new PreferenceCategory(getPrefContext());
    178             groupCategory.setOrderingAsAdded(true);
    179             getPreferenceScreen().addPreference(groupCategory);
    180             mDynamicPreferences.add(groupCategory);
    181             if (group.getId() == null) {
    182                 if (mChannelGroupList.size() > 1) {
    183                     groupCategory.setTitle(R.string.notification_channels_other);
    184                 }
    185                 groupCategory.setKey(KEY_GENERAL_CATEGORY);
    186             } else {
    187                 groupCategory.setTitle(group.getName());
    188                 groupCategory.setKey(group.getId());
    189                 populateGroupToggle(groupCategory, group);
    190             }
    191             if (!group.isBlocked()) {
    192                 final List<NotificationChannel> channels = group.getChannels();
    193                 Collections.sort(channels, mChannelComparator);
    194                 int N = channels.size();
    195                 for (int i = 0; i < N; i++) {
    196                     final NotificationChannel channel = channels.get(i);
    197                     populateSingleChannelPrefs(groupCategory, channel, group.isBlocked());
    198                 }
    199             }
    200         }
    201     }
    202 
    203     protected void populateGroupToggle(final PreferenceGroup parent,
    204             NotificationChannelGroup group) {
    205         RestrictedSwitchPreference preference = new RestrictedSwitchPreference(getPrefContext());
    206         preference.setTitle(R.string.notification_switch_label);
    207         preference.setEnabled(mSuspendedAppsAdmin == null
    208                 && isChannelGroupBlockable(group));
    209         preference.setChecked(!group.isBlocked());
    210         preference.setOnPreferenceClickListener(preference1 -> {
    211             final boolean allowGroup = ((SwitchPreference) preference1).isChecked();
    212             group.setBlocked(!allowGroup);
    213             mBackend.updateChannelGroup(mAppRow.pkg, mAppRow.uid, group);
    214 
    215             onGroupBlockStateChanged(group);
    216             return true;
    217         });
    218 
    219         parent.addPreference(preference);
    220     }
    221 
    222     private Comparator<NotificationChannelGroup> mChannelGroupComparator =
    223             new Comparator<NotificationChannelGroup>() {
    224 
    225                 @Override
    226                 public int compare(NotificationChannelGroup left, NotificationChannelGroup right) {
    227                     // Non-grouped channels (in placeholder group with a null id) come last
    228                     if (left.getId() == null && right.getId() != null) {
    229                         return 1;
    230                     } else if (right.getId() == null && left.getId() != null) {
    231                         return -1;
    232                     }
    233                     return left.getId().compareTo(right.getId());
    234                 }
    235             };
    236 
    237     protected void onGroupBlockStateChanged(NotificationChannelGroup group) {
    238         if (group == null) {
    239             return;
    240         }
    241         PreferenceGroup groupGroup = (
    242                 PreferenceGroup) getPreferenceScreen().findPreference(group.getId());
    243 
    244         if (groupGroup != null) {
    245             if (group.isBlocked()) {
    246                 List<Preference> toRemove = new ArrayList<>();
    247                 int childCount = groupGroup.getPreferenceCount();
    248                 for (int i = 0; i < childCount; i++) {
    249                     Preference pref = groupGroup.getPreference(i);
    250                     if (pref instanceof MasterCheckBoxPreference) {
    251                         toRemove.add(pref);
    252                     }
    253                 }
    254                 for (Preference pref : toRemove) {
    255                     groupGroup.removePreference(pref);
    256                 }
    257             } else {
    258                 final List<NotificationChannel> channels = group.getChannels();
    259                 Collections.sort(channels, mChannelComparator);
    260                 int N = channels.size();
    261                 for (int i = 0; i < N; i++) {
    262                     final NotificationChannel channel = channels.get(i);
    263                     populateSingleChannelPrefs(groupGroup, channel, group.isBlocked());
    264                 }
    265             }
    266         }
    267     }
    268 
    269 }
    270