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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.messaging.datamodel.data;
     18 
     19 import android.app.LoaderManager;
     20 import android.content.Context;
     21 import android.content.Loader;
     22 import android.database.Cursor;
     23 import android.os.Bundle;
     24 import android.text.TextUtils;
     25 
     26 import com.android.messaging.R;
     27 import com.android.messaging.datamodel.BoundCursorLoader;
     28 import com.android.messaging.datamodel.DatabaseHelper.ParticipantColumns;
     29 import com.android.messaging.datamodel.MessagingContentProvider;
     30 import com.android.messaging.datamodel.binding.BindableData;
     31 import com.android.messaging.datamodel.binding.BindingBase;
     32 import com.android.messaging.util.Assert;
     33 import com.android.messaging.util.LogUtil;
     34 import com.android.messaging.util.OsUtil;
     35 
     36 import java.util.ArrayList;
     37 import java.util.List;
     38 
     39 /**
     40  * Services SettingsFragment's data needs for loading active self participants to display
     41  * the list of active subscriptions.
     42  */
     43 public class SettingsData extends BindableData implements
     44         LoaderManager.LoaderCallbacks<Cursor> {
     45     public interface SettingsDataListener {
     46         void onSelfParticipantDataLoaded(SettingsData data);
     47     }
     48 
     49     public static class SettingsItem {
     50         public static final int TYPE_GENERAL_SETTINGS = 1;
     51         public static final int TYPE_PER_SUBSCRIPTION_SETTINGS = 2;
     52 
     53         private final String mDisplayName;
     54         private final String mDisplayDetail;
     55         private final String mActivityTitle;
     56         private final int mType;
     57         private final int mSubId;
     58 
     59         private SettingsItem(final String displayName, final String displayDetail,
     60                 final String activityTitle, final int type, final int subId) {
     61             mDisplayName = displayName;
     62             mDisplayDetail = displayDetail;
     63             mActivityTitle = activityTitle;
     64             mType = type;
     65             mSubId = subId;
     66         }
     67 
     68         public String getDisplayName() {
     69             return mDisplayName;
     70         }
     71 
     72         public String getDisplayDetail() {
     73             return mDisplayDetail;
     74         }
     75 
     76         public int getType() {
     77             return mType;
     78         }
     79 
     80         public int getSubId() {
     81             return mSubId;
     82         }
     83 
     84         public String getActivityTitle() {
     85             return mActivityTitle;
     86         }
     87 
     88         public static SettingsItem fromSelfParticipant(final Context context,
     89                 final ParticipantData self) {
     90             Assert.isTrue(self.isSelf());
     91             Assert.isTrue(self.isActiveSubscription());
     92             final String displayDetail = TextUtils.isEmpty(self.getDisplayDestination()) ?
     93                     context.getString(R.string.sim_settings_unknown_number) :
     94                         self.getDisplayDestination();
     95             final String displayName = context.getString(R.string.sim_specific_settings,
     96                     self.getSubscriptionName());
     97             return new SettingsItem(displayName, displayDetail, displayName,
     98                     TYPE_PER_SUBSCRIPTION_SETTINGS, self.getSubId());
     99         }
    100 
    101         public static SettingsItem createGeneralSettingsItem(final Context context) {
    102             return new SettingsItem(context.getString(R.string.general_settings),
    103                     null, context.getString(R.string.general_settings_activity_title),
    104                     TYPE_GENERAL_SETTINGS, -1);
    105         }
    106 
    107         public static SettingsItem createDefaultMmsSettingsItem(final Context context,
    108                 final int subId) {
    109             return new SettingsItem(context.getString(R.string.advanced_settings),
    110                     null, context.getString(R.string.advanced_settings_activity_title),
    111                     TYPE_PER_SUBSCRIPTION_SETTINGS, subId);
    112         }
    113     }
    114 
    115     private static final String BINDING_ID = "bindingId";
    116     private final Context mContext;
    117     private final SelfParticipantsData mSelfParticipantsData;
    118     private LoaderManager mLoaderManager;
    119     private SettingsDataListener mListener;
    120 
    121     public SettingsData(final Context context,
    122             final SettingsDataListener listener) {
    123         mListener = listener;
    124         mContext = context;
    125         mSelfParticipantsData = new SelfParticipantsData();
    126     }
    127 
    128     private static final int SELF_PARTICIPANT_LOADER = 1;
    129 
    130     @Override
    131     public Loader<Cursor> onCreateLoader(final int id, final Bundle args) {
    132         Assert.equals(SELF_PARTICIPANT_LOADER, id);
    133         Loader<Cursor> loader = null;
    134 
    135         final String bindingId = args.getString(BINDING_ID);
    136         // Check if data still bound to the requesting ui element
    137         if (isBound(bindingId)) {
    138             loader = new BoundCursorLoader(bindingId, mContext,
    139                     MessagingContentProvider.PARTICIPANTS_URI,
    140                     ParticipantData.ParticipantsQuery.PROJECTION,
    141                     ParticipantColumns.SUB_ID + " <> ?",
    142                     new String[] { String.valueOf(ParticipantData.OTHER_THAN_SELF_SUB_ID) },
    143                     null);
    144         } else {
    145             LogUtil.w(LogUtil.BUGLE_TAG, "Creating self loader after unbinding");
    146         }
    147         return loader;
    148     }
    149 
    150     @Override
    151     public void onLoadFinished(final Loader<Cursor> generic, final Cursor data) {
    152         final BoundCursorLoader loader = (BoundCursorLoader) generic;
    153 
    154         // Check if data still bound to the requesting ui element
    155         if (isBound(loader.getBindingId())) {
    156             mSelfParticipantsData.bind(data);
    157             mListener.onSelfParticipantDataLoaded(this);
    158         } else {
    159             LogUtil.w(LogUtil.BUGLE_TAG, "Self loader finished after unbinding");
    160         }
    161     }
    162 
    163     @Override
    164     public void onLoaderReset(final Loader<Cursor> generic) {
    165         final BoundCursorLoader loader = (BoundCursorLoader) generic;
    166 
    167         // Check if data still bound to the requesting ui element
    168         if (isBound(loader.getBindingId())) {
    169             mSelfParticipantsData.bind(null);
    170         } else {
    171             LogUtil.w(LogUtil.BUGLE_TAG, "Self loader reset after unbinding");
    172         }
    173     }
    174 
    175     public void init(final LoaderManager loaderManager,
    176             final BindingBase<SettingsData> binding) {
    177         final Bundle args = new Bundle();
    178         args.putString(BINDING_ID, binding.getBindingId());
    179         mLoaderManager = loaderManager;
    180         mLoaderManager.initLoader(SELF_PARTICIPANT_LOADER, args, this);
    181     }
    182 
    183     @Override
    184     protected void unregisterListeners() {
    185         mListener = null;
    186 
    187         // This could be null if we bind but the caller doesn't init the BindableData
    188         if (mLoaderManager != null) {
    189             mLoaderManager.destroyLoader(SELF_PARTICIPANT_LOADER);
    190             mLoaderManager = null;
    191         }
    192     }
    193 
    194     public List<SettingsItem> getSettingsItems() {
    195         final List<ParticipantData> selfs = mSelfParticipantsData.getSelfParticipants(true);
    196         final List<SettingsItem> settingsItems = new ArrayList<SettingsItem>();
    197         // First goes the general settings, followed by per-subscription settings.
    198         settingsItems.add(SettingsItem.createGeneralSettingsItem(mContext));
    199         // For per-subscription settings, show the actual SIM name with phone number if the
    200         // platorm is at least L-MR1 and there are multiple active SIMs.
    201         final int activeSubCountExcludingDefault =
    202                 mSelfParticipantsData.getSelfParticipantsCountExcludingDefault(true);
    203         if (OsUtil.isAtLeastL_MR1() && activeSubCountExcludingDefault > 0) {
    204             for (ParticipantData self : selfs) {
    205                 if (!self.isDefaultSelf()) {
    206                     if (activeSubCountExcludingDefault > 1) {
    207                         settingsItems.add(SettingsItem.fromSelfParticipant(mContext, self));
    208                     } else {
    209                         // This is the only active non-default SIM.
    210                         settingsItems.add(SettingsItem.createDefaultMmsSettingsItem(mContext,
    211                                 self.getSubId()));
    212                         break;
    213                     }
    214                 }
    215             }
    216         } else {
    217             // Either pre-L-MR1, or there's no active SIM, so show the default MMS settings.
    218             settingsItems.add(SettingsItem.createDefaultMmsSettingsItem(mContext,
    219                     ParticipantData.DEFAULT_SELF_SUB_ID));
    220         }
    221         return settingsItems;
    222     }
    223 }
    224