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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 package com.android.messaging.util;
     17 
     18 import android.content.Context;
     19 import android.content.res.Resources;
     20 import android.text.TextUtils;
     21 
     22 import com.android.messaging.Factory;
     23 import com.android.messaging.R;
     24 
     25 /**
     26  * Provides interface to access per-subscription shared preferences. We have one instance of
     27  * this per active subscription.
     28  */
     29 public class BugleSubscriptionPrefs extends BuglePrefsImpl {
     30     private final int mSubId;
     31 
     32     public BugleSubscriptionPrefs(final Context context, final int subId) {
     33         super(context);
     34         mSubId = subId;
     35     }
     36 
     37     @Override
     38     public String getSharedPreferencesName() {
     39         return SHARED_PREFERENCES_PER_SUBSCRIPTION_PREFIX + String.valueOf(mSubId);
     40     }
     41 
     42     @Override
     43     protected void validateKey(String key) {
     44         super.validateKey(key);
     45         // Callers should only access per-subscription preferences from this class
     46         Assert.isTrue(key.startsWith(SHARED_PREFERENCES_PER_SUBSCRIPTION_PREFIX));
     47     }
     48 
     49     @Override
     50     public void onUpgrade(final int oldVersion, final int newVersion) {
     51         switch (oldVersion) {
     52             case BuglePrefs.NO_SHARED_PREFERENCES_VERSION:
     53                 // Upgrade to version 1. Adding per-subscription shared prefs.
     54                 // Migrate values from the application-wide settings.
     55                 migratePrefBooleanInternal(BuglePrefs.getApplicationPrefs(), "delivery_reports",
     56                         R.string.delivery_reports_pref_key, R.bool.delivery_reports_pref_default);
     57                 migratePrefBooleanInternal(BuglePrefs.getApplicationPrefs(), "auto_retrieve_mms",
     58                         R.string.auto_retrieve_mms_pref_key, R.bool.auto_retrieve_mms_pref_default);
     59                 migratePrefBooleanInternal(BuglePrefs.getApplicationPrefs(),
     60                         "auto_retrieve_mms_when_roaming",
     61                         R.string.auto_retrieve_mms_when_roaming_pref_key,
     62                         R.bool.auto_retrieve_mms_when_roaming_pref_default);
     63                 migratePrefBooleanInternal(BuglePrefs.getApplicationPrefs(), "group_messaging",
     64                         R.string.group_mms_pref_key, R.bool.group_mms_pref_default);
     65 
     66                 if (PhoneUtils.getDefault().getActiveSubscriptionCount() == 1) {
     67                     migratePrefStringInternal(BuglePrefs.getApplicationPrefs(), "mms_phone_number",
     68                             R.string.mms_phone_number_pref_key, null);
     69                 }
     70         }
     71     }
     72 
     73     private void migratePrefBooleanInternal(final BuglePrefs oldPrefs, final String oldKey,
     74             final int newKeyResId, final int defaultValueResId) {
     75         final Resources resources = Factory.get().getApplicationContext().getResources();
     76         final boolean defaultValue = resources.getBoolean(defaultValueResId);
     77         final boolean oldValue = oldPrefs.getBoolean(oldKey, defaultValue);
     78 
     79         // Only migrate pref value if it's different than the default.
     80         if (oldValue != defaultValue) {
     81             putBoolean(resources.getString(newKeyResId), oldValue);
     82         }
     83     }
     84 
     85     private void migratePrefStringInternal(final BuglePrefs oldPrefs, final String oldKey,
     86             final int newKeyResId, final String defaultValue) {
     87         final Resources resources = Factory.get().getApplicationContext().getResources();
     88         final String oldValue = oldPrefs.getString(oldKey, defaultValue);
     89 
     90         // Only migrate pref value if it's different than the default.
     91         if (!TextUtils.equals(oldValue, defaultValue)) {
     92             putString(resources.getString(newKeyResId), oldValue);
     93         }
     94     }
     95 }
     96