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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.content.res.Resources;
     22 import android.net.Uri;
     23 import android.os.SystemProperties;
     24 import android.preference.Preference;
     25 import android.preference.PreferenceActivity;
     26 import android.preference.PreferenceScreen;
     27 import android.provider.Settings;
     28 import android.telephony.TelephonyManager;
     29 import android.text.TextUtils;
     30 
     31 import com.android.internal.telephony.Phone;
     32 import com.android.internal.telephony.PhoneConstants;
     33 import com.android.internal.telephony.TelephonyProperties;
     34 
     35 /**
     36  * List of Phone-specific settings screens.
     37  */
     38 public class CdmaOptions {
     39     private static final String LOG_TAG = "CdmaOptions";
     40 
     41     private CdmaSystemSelectListPreference mButtonCdmaSystemSelect;
     42     private CdmaSubscriptionListPreference mButtonCdmaSubscription;
     43     private PreferenceScreen mButtonAPNExpand;
     44 
     45     private static final String BUTTON_CDMA_SYSTEM_SELECT_KEY = "cdma_system_select_key";
     46     private static final String BUTTON_CDMA_SUBSCRIPTION_KEY = "cdma_subscription_key";
     47     private static final String BUTTON_CDMA_ACTIVATE_DEVICE_KEY = "cdma_activate_device_key";
     48     private static final String BUTTON_CARRIER_SETTINGS_KEY = "carrier_settings_key";
     49     private static final String BUTTON_APN_EXPAND_KEY = "button_apn_key_cdma";
     50 
     51     private PreferenceActivity mPrefActivity;
     52     private PreferenceScreen mPrefScreen;
     53     private Phone mPhone;
     54 
     55     public CdmaOptions(PreferenceActivity prefActivity, PreferenceScreen prefScreen, Phone phone) {
     56         mPrefActivity = prefActivity;
     57         mPrefScreen = prefScreen;
     58         mPhone = phone;
     59         create();
     60     }
     61 
     62     protected void create() {
     63         mPrefActivity.addPreferencesFromResource(R.xml.cdma_options);
     64 
     65         mButtonAPNExpand = (PreferenceScreen) mPrefScreen.findPreference(BUTTON_APN_EXPAND_KEY);
     66         boolean removedAPNExpand = false;
     67         Resources res = mPrefActivity.getResources();
     68         // Some CDMA carriers want the APN settings
     69         if (!res.getBoolean(R.bool.config_show_apn_setting_cdma) && mButtonAPNExpand != null) {
     70             mPrefScreen.removePreference(mButtonAPNExpand);
     71             removedAPNExpand = true;
     72         }
     73         if (!removedAPNExpand) {
     74             mButtonAPNExpand.setOnPreferenceClickListener(
     75                     new Preference.OnPreferenceClickListener() {
     76                         @Override
     77                         public boolean onPreferenceClick(Preference preference) {
     78                             // We need to build the Intent by hand as the Preference Framework
     79                             // does not allow to add an Intent with some extras into a Preference
     80                             // XML file
     81                             final Intent intent = new Intent(Settings.ACTION_APN_SETTINGS);
     82                             // This will setup the Home and Search affordance
     83                             intent.putExtra(":settings:show_fragment_as_subsetting", true);
     84                             intent.putExtra("sub_id", mPhone.getSubId());
     85                             mPrefActivity.startActivity(intent);
     86                             return true;
     87                         }
     88             });
     89         }
     90 
     91         mButtonCdmaSystemSelect = (CdmaSystemSelectListPreference)mPrefScreen
     92                 .findPreference(BUTTON_CDMA_SYSTEM_SELECT_KEY);
     93 
     94         mButtonCdmaSubscription = (CdmaSubscriptionListPreference)mPrefScreen
     95                 .findPreference(BUTTON_CDMA_SUBSCRIPTION_KEY);
     96 
     97         mButtonCdmaSystemSelect.setEnabled(true);
     98         if(deviceSupportsNvAndRuim()) {
     99             log("Both NV and Ruim supported, ENABLE subscription type selection");
    100             mButtonCdmaSubscription.setEnabled(true);
    101         } else {
    102             log("Both NV and Ruim NOT supported, REMOVE subscription type selection");
    103             mPrefScreen.removePreference(mPrefScreen
    104                                 .findPreference(BUTTON_CDMA_SUBSCRIPTION_KEY));
    105         }
    106 
    107         final boolean voiceCapable = mPrefActivity.getResources().getBoolean(
    108                 com.android.internal.R.bool.config_voice_capable);
    109         final boolean isLTE = mPhone.getLteOnCdmaMode() == PhoneConstants.LTE_ON_CDMA_TRUE;
    110         if (voiceCapable || isLTE) {
    111             // This option should not be available on voice-capable devices (i.e. regular phones)
    112             // and is replaced by the LTE data service item on LTE devices
    113             mPrefScreen.removePreference(
    114                     mPrefScreen.findPreference(BUTTON_CDMA_ACTIVATE_DEVICE_KEY));
    115         }
    116 
    117         // Read platform settings for carrier settings
    118         final boolean isCarrierSettingsEnabled = mPrefActivity.getResources().getBoolean(
    119                 R.bool.config_carrier_settings_enable);
    120         if (!isCarrierSettingsEnabled) {
    121             Preference pref = mPrefScreen.findPreference(BUTTON_CARRIER_SETTINGS_KEY);
    122             if (pref != null) {
    123                 mPrefScreen.removePreference(pref);
    124             }
    125         }
    126     }
    127 
    128     private boolean deviceSupportsNvAndRuim() {
    129         // retrieve the list of subscription types supported by device.
    130         String subscriptionsSupported = SystemProperties.get("ril.subscription.types");
    131         boolean nvSupported = false;
    132         boolean ruimSupported = false;
    133 
    134         log("deviceSupportsnvAnRum: prop=" + subscriptionsSupported);
    135         if (!TextUtils.isEmpty(subscriptionsSupported)) {
    136             // Searches through the comma-separated list for a match for "NV"
    137             // and "RUIM" to update nvSupported and ruimSupported.
    138             for (String subscriptionType : subscriptionsSupported.split(",")) {
    139                 subscriptionType = subscriptionType.trim();
    140                 if (subscriptionType.equalsIgnoreCase("NV")) {
    141                     nvSupported = true;
    142                 }
    143                 if (subscriptionType.equalsIgnoreCase("RUIM")) {
    144                     ruimSupported = true;
    145                 }
    146             }
    147         }
    148 
    149         log("deviceSupportsnvAnRum: nvSupported=" + nvSupported +
    150                 " ruimSupported=" + ruimSupported);
    151         return (nvSupported && ruimSupported);
    152     }
    153 
    154     public boolean preferenceTreeClick(Preference preference) {
    155         if (preference.getKey().equals(BUTTON_CDMA_SYSTEM_SELECT_KEY)) {
    156             log("preferenceTreeClick: return BUTTON_CDMA_ROAMING_KEY true");
    157             return true;
    158         }
    159         if (preference.getKey().equals(BUTTON_CDMA_SUBSCRIPTION_KEY)) {
    160             log("preferenceTreeClick: return CDMA_SUBSCRIPTION_KEY true");
    161             return true;
    162         }
    163         return false;
    164     }
    165 
    166     public void showDialog(Preference preference) {
    167         if (preference.getKey().equals(BUTTON_CDMA_SYSTEM_SELECT_KEY)) {
    168             mButtonCdmaSystemSelect.showDialog(null);
    169         } else if (preference.getKey().equals(BUTTON_CDMA_SUBSCRIPTION_KEY)) {
    170             mButtonCdmaSubscription.showDialog(null);
    171         }
    172     }
    173 
    174     protected void log(String s) {
    175         android.util.Log.d(LOG_TAG, s);
    176     }
    177 }
    178