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      1 /*
      2  * Copyright (C) 2009 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.phone;
     18 
     19 import android.content.Context;
     20 import android.os.AsyncResult;
     21 import android.os.Bundle;
     22 import android.os.Handler;
     23 import android.os.Message;
     24 import android.preference.ListPreference;
     25 import android.provider.Settings;
     26 import android.provider.Settings.Secure;
     27 import android.util.AttributeSet;
     28 import android.util.Log;
     29 
     30 import com.android.internal.telephony.Phone;
     31 import com.android.internal.telephony.PhoneFactory;
     32 
     33 public class CdmaSubscriptionListPreference extends ListPreference {
     34 
     35     private static final String LOG_TAG = "CdmaSubscriptionListPreference";
     36 
     37     // Used for CDMA subscription mode
     38     private static final int CDMA_SUBSCRIPTION_RUIM_SIM = 0;
     39     private static final int CDMA_SUBSCRIPTION_NV = 1;
     40 
     41     //preferredSubscriptionMode  0 - RUIM/SIM, preferred
     42     //                           1 - NV
     43     static final int preferredSubscriptionMode = Phone.PREFERRED_CDMA_SUBSCRIPTION;
     44 
     45     private Phone mPhone;
     46     private CdmaSubscriptionButtonHandler mHandler;
     47 
     48     public CdmaSubscriptionListPreference(Context context, AttributeSet attrs) {
     49         super(context, attrs);
     50 
     51         mPhone = PhoneFactory.getDefaultPhone();
     52         mHandler = new CdmaSubscriptionButtonHandler();
     53         setCurrentCdmaSubscriptionModeValue();
     54     }
     55 
     56     private void setCurrentCdmaSubscriptionModeValue() {
     57         int cdmaSubscriptionMode = Settings.Global.getInt(mPhone.getContext().getContentResolver(),
     58                 Settings.Global.CDMA_SUBSCRIPTION_MODE, preferredSubscriptionMode);
     59         setValue(Integer.toString(cdmaSubscriptionMode));
     60     }
     61 
     62     public CdmaSubscriptionListPreference(Context context) {
     63         this(context, null);
     64     }
     65 
     66     @Override
     67     protected void showDialog(Bundle state) {
     68         setCurrentCdmaSubscriptionModeValue();
     69 
     70         super.showDialog(state);
     71     }
     72 
     73     @Override
     74     protected void onDialogClosed(boolean positiveResult) {
     75         super.onDialogClosed(positiveResult);
     76 
     77         if (!positiveResult) {
     78             //The button was dismissed - no need to set new value
     79             return;
     80         }
     81 
     82         int buttonCdmaSubscriptionMode = Integer.parseInt(getValue());
     83         Log.d(LOG_TAG, "Setting new value " + buttonCdmaSubscriptionMode);
     84         int statusCdmaSubscriptionMode;
     85         switch(buttonCdmaSubscriptionMode) {
     86             case CDMA_SUBSCRIPTION_NV:
     87                 statusCdmaSubscriptionMode = Phone.CDMA_SUBSCRIPTION_NV;
     88                 break;
     89             case CDMA_SUBSCRIPTION_RUIM_SIM:
     90                 statusCdmaSubscriptionMode = Phone.CDMA_SUBSCRIPTION_RUIM_SIM;
     91                 break;
     92             default:
     93                 statusCdmaSubscriptionMode = Phone.PREFERRED_CDMA_SUBSCRIPTION;
     94         }
     95 
     96         // Set the CDMA subscription mode, when mode has been successfully changed
     97         // handleSetCdmaSubscriptionMode will be invoked and the value saved.
     98         mPhone.setCdmaSubscription(statusCdmaSubscriptionMode, mHandler
     99                 .obtainMessage(CdmaSubscriptionButtonHandler.MESSAGE_SET_CDMA_SUBSCRIPTION,
    100                         getValue()));
    101 
    102     }
    103 
    104     private class CdmaSubscriptionButtonHandler extends Handler {
    105 
    106         static final int MESSAGE_SET_CDMA_SUBSCRIPTION = 0;
    107 
    108         @Override
    109         public void handleMessage(Message msg) {
    110             switch (msg.what) {
    111                 case MESSAGE_SET_CDMA_SUBSCRIPTION:
    112                     handleSetCdmaSubscriptionMode(msg);
    113                     break;
    114             }
    115         }
    116 
    117         private void handleSetCdmaSubscriptionMode(Message msg) {
    118             mPhone = PhoneFactory.getDefaultPhone();
    119             AsyncResult ar = (AsyncResult) msg.obj;
    120 
    121             if (ar.exception == null) {
    122                 // Get the original string entered by the user
    123                 int cdmaSubscriptionMode = Integer.parseInt((String) ar.userObj);
    124                 Settings.Global.putInt(mPhone.getContext().getContentResolver(),
    125                         Settings.Global.CDMA_SUBSCRIPTION_MODE,
    126                         cdmaSubscriptionMode );
    127             } else {
    128                 Log.e(LOG_TAG, "Setting Cdma subscription source failed");
    129             }
    130         }
    131     }
    132 }
    133