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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.content.SharedPreferences;
     22 import android.net.sip.SipManager;
     23 import android.provider.Settings;
     24 import android.provider.Settings.SettingNotFoundException;
     25 import android.util.Log;
     26 
     27 /**
     28  * Wrapper for SIP's shared preferences.
     29  */
     30 public class SipSharedPreferences {
     31     private static final String PREFIX = "[SipSharedPreferences] ";
     32     private static final boolean VERBOSE = false; /* STOP SHIP if true */
     33 
     34     private static final String SIP_SHARED_PREFERENCES = "SIP_PREFERENCES";
     35 
     36     /**
     37      * @deprecated Primary account selection for SIP accounts is no longer relevant.
     38      */
     39     @Deprecated
     40     private static final String KEY_PRIMARY_ACCOUNT = "primary";
     41 
     42     private static final String KEY_NUMBER_OF_PROFILES = "profiles";
     43 
     44     private SharedPreferences mPreferences;
     45     private Context mContext;
     46 
     47     public SipSharedPreferences(Context context) {
     48         mPreferences = context.getSharedPreferences(
     49                 SIP_SHARED_PREFERENCES, Context.MODE_WORLD_READABLE);
     50         mContext = context;
     51     }
     52 
     53     /**
     54      * Returns the primary account URI or null if it does not exist.
     55      * @deprecated The primary account setting is no longer used.
     56      */
     57     @Deprecated
     58     public String getPrimaryAccount() {
     59         return mPreferences.getString(KEY_PRIMARY_ACCOUNT, null);
     60     }
     61 
     62     public void setProfilesCount(int number) {
     63         SharedPreferences.Editor editor = mPreferences.edit();
     64         editor.putInt(KEY_NUMBER_OF_PROFILES, number);
     65         editor.apply();
     66     }
     67 
     68     public int getProfilesCount() {
     69         return mPreferences.getInt(KEY_NUMBER_OF_PROFILES, 0);
     70     }
     71 
     72     public void setSipCallOption(String option) {
     73         Settings.System.putString(mContext.getContentResolver(),
     74                 Settings.System.SIP_CALL_OPTIONS, option);
     75 
     76         // Notify SipAccountRegistry in the telephony layer that the configuration has changed.
     77         // This causes the SIP PhoneAccounts to be re-registered.  This ensures the supported URI
     78         // schemes for the SIP PhoneAccounts matches the new SIP_CALL_OPTIONS setting.
     79         Intent intent = new Intent(SipManager.ACTION_SIP_CALL_OPTION_CHANGED);
     80         mContext.sendBroadcast(intent);
     81     }
     82 
     83     public String getSipCallOption() {
     84         String option = Settings.System.getString(mContext.getContentResolver(),
     85                 Settings.System.SIP_CALL_OPTIONS);
     86         return (option != null) ? option
     87                                 : mContext.getString(R.string.sip_address_only);
     88     }
     89 
     90     public void setReceivingCallsEnabled(boolean enabled) {
     91         Settings.System.putInt(mContext.getContentResolver(),
     92                 Settings.System.SIP_RECEIVE_CALLS, (enabled ? 1 : 0));
     93     }
     94 
     95     public boolean isReceivingCallsEnabled() {
     96         try {
     97             return (Settings.System.getInt(mContext.getContentResolver(),
     98                     Settings.System.SIP_RECEIVE_CALLS) != 0);
     99         } catch (SettingNotFoundException e) {
    100             log("isReceivingCallsEnabled, option not set; use default value, exception: " + e);
    101             return false;
    102         }
    103     }
    104 
    105     /**
    106      * Performs cleanup of the shared preferences, removing the deprecated primary account key if
    107      * it exists.
    108      */
    109     public void cleanupPrimaryAccountSetting() {
    110         if (mPreferences.contains(KEY_PRIMARY_ACCOUNT)) {
    111             SharedPreferences.Editor editor = mPreferences.edit();
    112             editor.remove(KEY_PRIMARY_ACCOUNT);
    113             editor.apply();
    114         }
    115     }
    116 
    117     // TODO: back up to Android Backup
    118 
    119     private static void log(String msg) {
    120         Log.d(SipUtil.LOG_TAG, PREFIX + msg);
    121     }
    122 }
    123