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      1 /*
      2  * Copyright (C) 2008 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.content.Intent;
     21 import android.net.Uri;
     22 import android.os.SystemProperties;
     23 import android.preference.Preference;
     24 import android.preference.PreferenceActivity;
     25 import android.preference.PreferenceScreen;
     26 import android.provider.Settings;
     27 import android.telephony.TelephonyManager;
     28 import android.text.TextUtils;
     29 
     30 import com.android.internal.telephony.Phone;
     31 import com.android.internal.telephony.PhoneConstants;
     32 import com.android.internal.telephony.TelephonyProperties;
     33 
     34 /**
     35  * List of Phone-specific settings screens.
     36  */
     37 public class CdmaOptions {
     38     private static final String LOG_TAG = "CdmaOptions";
     39 
     40     private CdmaSystemSelectListPreference mButtonCdmaSystemSelect;
     41     private CdmaSubscriptionListPreference mButtonCdmaSubscription;
     42 
     43     private static final String BUTTON_CDMA_SYSTEM_SELECT_KEY = "cdma_system_select_key";
     44     private static final String BUTTON_CDMA_SUBSCRIPTION_KEY = "cdma_subscription_key";
     45     private static final String BUTTON_CDMA_ACTIVATE_DEVICE_KEY = "cdma_activate_device_key";
     46 
     47     private PreferenceActivity mPrefActivity;
     48     private PreferenceScreen mPrefScreen;
     49     private Phone mPhone;
     50 
     51     public CdmaOptions(PreferenceActivity prefActivity, PreferenceScreen prefScreen, Phone phone) {
     52         mPrefActivity = prefActivity;
     53         mPrefScreen = prefScreen;
     54         mPhone = phone;
     55         create();
     56     }
     57 
     58     protected void create() {
     59         mPrefActivity.addPreferencesFromResource(R.xml.cdma_options);
     60 
     61         mButtonCdmaSystemSelect = (CdmaSystemSelectListPreference)mPrefScreen
     62                 .findPreference(BUTTON_CDMA_SYSTEM_SELECT_KEY);
     63 
     64         mButtonCdmaSubscription = (CdmaSubscriptionListPreference)mPrefScreen
     65                 .findPreference(BUTTON_CDMA_SUBSCRIPTION_KEY);
     66 
     67         mButtonCdmaSystemSelect.setEnabled(true);
     68         if(deviceSupportsNvAndRuim()) {
     69             log("Both NV and Ruim supported, ENABLE subscription type selection");
     70             mButtonCdmaSubscription.setEnabled(true);
     71         } else {
     72             log("Both NV and Ruim NOT supported, REMOVE subscription type selection");
     73             mPrefScreen.removePreference(mPrefScreen
     74                                 .findPreference(BUTTON_CDMA_SUBSCRIPTION_KEY));
     75         }
     76 
     77         final boolean voiceCapable = mPrefActivity.getResources().getBoolean(
     78                 com.android.internal.R.bool.config_voice_capable);
     79         final boolean isLTE = mPhone.getLteOnCdmaMode() == PhoneConstants.LTE_ON_CDMA_TRUE;
     80         if (voiceCapable || isLTE) {
     81             // This option should not be available on voice-capable devices (i.e. regular phones)
     82             // and is replaced by the LTE data service item on LTE devices
     83             mPrefScreen.removePreference(
     84                     mPrefScreen.findPreference(BUTTON_CDMA_ACTIVATE_DEVICE_KEY));
     85         }
     86     }
     87 
     88     private boolean deviceSupportsNvAndRuim() {
     89         // retrieve the list of subscription types supported by device.
     90         String subscriptionsSupported = SystemProperties.get("ril.subscription.types");
     91         boolean nvSupported = false;
     92         boolean ruimSupported = false;
     93 
     94         log("deviceSupportsnvAnRum: prop=" + subscriptionsSupported);
     95         if (!TextUtils.isEmpty(subscriptionsSupported)) {
     96             // Searches through the comma-separated list for a match for "NV"
     97             // and "RUIM" to update nvSupported and ruimSupported.
     98             for (String subscriptionType : subscriptionsSupported.split(",")) {
     99                 subscriptionType = subscriptionType.trim();
    100                 if (subscriptionType.equalsIgnoreCase("NV")) {
    101                     nvSupported = true;
    102                 }
    103                 if (subscriptionType.equalsIgnoreCase("RUIM")) {
    104                     ruimSupported = true;
    105                 }
    106             }
    107         }
    108 
    109         log("deviceSupportsnvAnRum: nvSupported=" + nvSupported +
    110                 " ruimSupported=" + ruimSupported);
    111         return (nvSupported && ruimSupported);
    112     }
    113 
    114     public boolean preferenceTreeClick(Preference preference) {
    115         if (preference.getKey().equals(BUTTON_CDMA_SYSTEM_SELECT_KEY)) {
    116             log("preferenceTreeClick: return BUTTON_CDMA_ROAMING_KEY true");
    117             return true;
    118         }
    119         if (preference.getKey().equals(BUTTON_CDMA_SUBSCRIPTION_KEY)) {
    120             log("preferenceTreeClick: return CDMA_SUBSCRIPTION_KEY true");
    121             return true;
    122         }
    123         return false;
    124     }
    125 
    126     public void showDialog(Preference preference) {
    127         if (preference.getKey().equals(BUTTON_CDMA_SYSTEM_SELECT_KEY)) {
    128             mButtonCdmaSystemSelect.showDialog(null);
    129         } else if (preference.getKey().equals(BUTTON_CDMA_SUBSCRIPTION_KEY)) {
    130             mButtonCdmaSubscription.showDialog(null);
    131         }
    132     }
    133 
    134     protected void log(String s) {
    135         android.util.Log.d(LOG_TAG, s);
    136     }
    137 }
    138