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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.phone.settings;
     17 
     18 import android.content.Context;
     19 import android.telecom.PhoneAccountHandle;
     20 import com.android.internal.telephony.Phone;
     21 import com.android.phone.PhoneUtils;
     22 import com.android.phone.R;
     23 import com.android.phone.vvm.omtp.OmtpVvmCarrierConfigHelper;
     24 import com.android.phone.vvm.omtp.VisualVoicemailPreferences;
     25 import com.android.phone.vvm.omtp.sync.OmtpVvmSourceManager;
     26 import com.android.phone.vvm.omtp.utils.PhoneAccountHandleConverter;
     27 
     28 /**
     29  * Save whether or not a particular account is enabled in shared to be retrieved later.
     30  */
     31 public class VisualVoicemailSettingsUtil {
     32 
     33     private static final String IS_ENABLED_KEY = "is_enabled";
     34 
     35 
     36     public static void setEnabled(Context context, PhoneAccountHandle phoneAccount,
     37             boolean isEnabled) {
     38         new VisualVoicemailPreferences(context, phoneAccount).edit()
     39                 .putBoolean(IS_ENABLED_KEY, isEnabled)
     40                 .apply();
     41         OmtpVvmCarrierConfigHelper config = new OmtpVvmCarrierConfigHelper(context, phoneAccount);
     42         if (isEnabled) {
     43             OmtpVvmSourceManager.getInstance(context).addPhoneStateListener(phoneAccount);
     44             config.startActivation();
     45         } else {
     46             OmtpVvmSourceManager.getInstance(context).removeSource(phoneAccount);
     47             config.startDeactivation();
     48         }
     49     }
     50 
     51     public static boolean isEnabled(Context context,
     52             PhoneAccountHandle phoneAccount) {
     53         if (phoneAccount == null) {
     54             return false;
     55         }
     56         if (!context.getResources().getBoolean(R.bool.allow_visual_voicemail)) {
     57             return false;
     58         }
     59 
     60         VisualVoicemailPreferences prefs = new VisualVoicemailPreferences(context, phoneAccount);
     61         if (prefs.contains(IS_ENABLED_KEY)) {
     62             // isEnableByDefault is a bit expensive, so don't use it as default value of
     63             // getBoolean(). The "false" here should never be actually used.
     64             return prefs.getBoolean(IS_ENABLED_KEY, false);
     65         }
     66         return new OmtpVvmCarrierConfigHelper(context,
     67                 PhoneAccountHandleConverter.toSubId(phoneAccount)).isEnabledByDefault();
     68     }
     69 
     70     public static boolean isEnabled(Phone phone) {
     71         return isEnabled(phone.getContext(),
     72                 PhoneUtils.makePstnPhoneAccountHandle(phone));
     73     }
     74 
     75     /**
     76      * Whether the client enabled status is explicitly set by user or by default(Whether carrier VVM
     77      * app is installed). This is used to determine whether to disable the client when the carrier
     78      * VVM app is installed. If the carrier VVM app is installed the client should give priority to
     79      * it if the settings are not touched.
     80      */
     81     public static boolean isEnabledUserSet(Context context,
     82             PhoneAccountHandle phoneAccount) {
     83         if (phoneAccount == null) {
     84             return false;
     85         }
     86         VisualVoicemailPreferences prefs = new VisualVoicemailPreferences(context, phoneAccount);
     87         return prefs.contains(IS_ENABLED_KEY);
     88     }
     89 }
     90