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      1 /*
      2  * Copyright (C) 2010 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.services.telephony.sip;
     18 
     19 import android.content.Context;
     20 import android.content.Intent;
     21 import android.net.sip.SipManager;
     22 import android.provider.Settings;
     23 import android.provider.Settings.SettingNotFoundException;
     24 import android.util.Log;
     25 
     26 /**
     27  * Wrapper for SIP's preferences.
     28  */
     29 public class SipPreferences {
     30     private static final String PREFIX = "[SipPreferences] ";
     31     private static final boolean VERBOSE = false; /* STOP SHIP if true */
     32 
     33     // Used to clear out old SharedPreferences file during SipProfile Database Migration
     34     private static final String SIP_SHARED_PREFERENCES = "SIP_PREFERENCES";
     35 
     36     private Context mContext;
     37 
     38     public SipPreferences(Context context) {
     39         mContext = context;
     40     }
     41 
     42     public void setSipCallOption(String option) {
     43         Settings.System.putString(mContext.getContentResolver(),
     44                 Settings.System.SIP_CALL_OPTIONS, option);
     45 
     46         // Notify SipAccountRegistry in the telephony layer that the configuration has changed.
     47         // This causes the SIP PhoneAccounts to be re-registered.  This ensures the supported URI
     48         // schemes for the SIP PhoneAccounts matches the new SIP_CALL_OPTIONS setting.
     49         Intent intent = new Intent(SipManager.ACTION_SIP_CALL_OPTION_CHANGED);
     50         mContext.sendBroadcast(intent);
     51     }
     52 
     53     public String getSipCallOption() {
     54         String option = Settings.System.getString(mContext.getContentResolver(),
     55                 Settings.System.SIP_CALL_OPTIONS);
     56         return (option != null) ? option
     57                                 : mContext.getString(R.string.sip_address_only);
     58     }
     59 
     60     public void setReceivingCallsEnabled(boolean enabled) {
     61         Settings.System.putInt(mContext.getContentResolver(),
     62                 Settings.System.SIP_RECEIVE_CALLS, (enabled ? 1 : 0));
     63     }
     64 
     65     public boolean isReceivingCallsEnabled() {
     66         try {
     67             return (Settings.System.getInt(mContext.getContentResolver(),
     68                     Settings.System.SIP_RECEIVE_CALLS) != 0);
     69         } catch (SettingNotFoundException e) {
     70             log("isReceivingCallsEnabled, option not set; use default value, exception: " + e);
     71             return false;
     72         }
     73     }
     74 
     75     /**
     76      * Remove obsolete SharedPreferences File upon upgrade from M->N.
     77      */
     78     public void clearSharedPreferences() {
     79         mContext.deleteSharedPreferences(SIP_SHARED_PREFERENCES);
     80     }
     81 
     82     // TODO: back up to Android Backup
     83 
     84     private static void log(String msg) {
     85         Log.d(SipUtil.LOG_TAG, PREFIX + msg);
     86     }
     87 }
     88