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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.PersistableBundle;
     24 import android.os.SystemProperties;
     25 import android.preference.Preference;
     26 import android.preference.PreferenceActivity;
     27 import android.preference.PreferenceScreen;
     28 import android.provider.Settings;
     29 import android.telephony.CarrierConfigManager;
     30 import android.telephony.TelephonyManager;
     31 import android.text.TextUtils;
     32 
     33 import com.android.internal.telephony.Phone;
     34 import com.android.internal.telephony.PhoneConstants;
     35 import com.android.internal.telephony.TelephonyProperties;
     36 
     37 /**
     38  * List of Phone-specific settings screens.
     39  */
     40 public class CdmaOptions {
     41     private static final String LOG_TAG = "CdmaOptions";
     42 
     43     private CdmaSystemSelectListPreference mButtonCdmaSystemSelect;
     44     private CdmaSubscriptionListPreference mButtonCdmaSubscription;
     45     private PreferenceScreen mButtonAPNExpand;
     46 
     47     private static final String BUTTON_CDMA_SYSTEM_SELECT_KEY = "cdma_system_select_key";
     48     private static final String BUTTON_CDMA_SUBSCRIPTION_KEY = "cdma_subscription_key";
     49     private static final String BUTTON_CDMA_ACTIVATE_DEVICE_KEY = "cdma_activate_device_key";
     50     private static final String BUTTON_CARRIER_SETTINGS_KEY = "carrier_settings_key";
     51     private static final String BUTTON_APN_EXPAND_KEY = "button_apn_key_cdma";
     52 
     53     private PreferenceActivity mPrefActivity;
     54     private PreferenceScreen mPrefScreen;
     55     private Phone mPhone;
     56 
     57     public CdmaOptions(PreferenceActivity prefActivity, PreferenceScreen prefScreen, Phone phone) {
     58         mPrefActivity = prefActivity;
     59         mPrefScreen = prefScreen;
     60         mPhone = phone;
     61         create();
     62     }
     63 
     64     protected void create() {
     65         mPrefActivity.addPreferencesFromResource(R.xml.cdma_options);
     66 
     67         mButtonAPNExpand = (PreferenceScreen) mPrefScreen.findPreference(BUTTON_APN_EXPAND_KEY);
     68         boolean removedAPNExpand = false;
     69         PersistableBundle carrierConfig =
     70                 PhoneGlobals.getInstance().getCarrierConfigForSubId(mPhone.getSubId());
     71         // Some CDMA carriers want the APN settings.
     72         if (!carrierConfig.getBoolean(CarrierConfigManager.KEY_SHOW_APN_SETTING_CDMA_BOOL)
     73                 && mButtonAPNExpand != null) {
     74             mPrefScreen.removePreference(mButtonAPNExpand);
     75             removedAPNExpand = true;
     76         }
     77         if (!removedAPNExpand) {
     78             mButtonAPNExpand.setOnPreferenceClickListener(
     79                     new Preference.OnPreferenceClickListener() {
     80                         @Override
     81                         public boolean onPreferenceClick(Preference preference) {
     82                             // We need to build the Intent by hand as the Preference Framework
     83                             // does not allow to add an Intent with some extras into a Preference
     84                             // XML file
     85                             final Intent intent = new Intent(Settings.ACTION_APN_SETTINGS);
     86                             // This will setup the Home and Search affordance
     87                             intent.putExtra(":settings:show_fragment_as_subsetting", true);
     88                             intent.putExtra("sub_id", mPhone.getSubId());
     89                             mPrefActivity.startActivity(intent);
     90                             return true;
     91                         }
     92             });
     93         }
     94 
     95         mButtonCdmaSystemSelect = (CdmaSystemSelectListPreference)mPrefScreen
     96                 .findPreference(BUTTON_CDMA_SYSTEM_SELECT_KEY);
     97 
     98         mButtonCdmaSubscription = (CdmaSubscriptionListPreference)mPrefScreen
     99                 .findPreference(BUTTON_CDMA_SUBSCRIPTION_KEY);
    100 
    101         mButtonCdmaSystemSelect.setEnabled(true);
    102         if(deviceSupportsNvAndRuim()) {
    103             log("Both NV and Ruim supported, ENABLE subscription type selection");
    104             mButtonCdmaSubscription.setEnabled(true);
    105         } else {
    106             log("Both NV and Ruim NOT supported, REMOVE subscription type selection");
    107             mPrefScreen.removePreference(mPrefScreen
    108                                 .findPreference(BUTTON_CDMA_SUBSCRIPTION_KEY));
    109         }
    110 
    111         final boolean voiceCapable = mPrefActivity.getResources().getBoolean(
    112                 com.android.internal.R.bool.config_voice_capable);
    113         final boolean isLTE = mPhone.getLteOnCdmaMode() == PhoneConstants.LTE_ON_CDMA_TRUE;
    114         if (voiceCapable || isLTE) {
    115             // This option should not be available on voice-capable devices (i.e. regular phones)
    116             // and is replaced by the LTE data service item on LTE devices
    117             mPrefScreen.removePreference(
    118                     mPrefScreen.findPreference(BUTTON_CDMA_ACTIVATE_DEVICE_KEY));
    119         }
    120 
    121         // Read platform settings for carrier settings
    122         final boolean isCarrierSettingsEnabled = carrierConfig.getBoolean(
    123                 CarrierConfigManager.KEY_CARRIER_SETTINGS_ENABLE_BOOL);
    124         if (!isCarrierSettingsEnabled) {
    125             Preference pref = mPrefScreen.findPreference(BUTTON_CARRIER_SETTINGS_KEY);
    126             if (pref != null) {
    127                 mPrefScreen.removePreference(pref);
    128             }
    129         }
    130     }
    131 
    132     private boolean deviceSupportsNvAndRuim() {
    133         // retrieve the list of subscription types supported by device.
    134         String subscriptionsSupported = SystemProperties.get("ril.subscription.types");
    135         boolean nvSupported = false;
    136         boolean ruimSupported = false;
    137 
    138         log("deviceSupportsnvAnRum: prop=" + subscriptionsSupported);
    139         if (!TextUtils.isEmpty(subscriptionsSupported)) {
    140             // Searches through the comma-separated list for a match for "NV"
    141             // and "RUIM" to update nvSupported and ruimSupported.
    142             for (String subscriptionType : subscriptionsSupported.split(",")) {
    143                 subscriptionType = subscriptionType.trim();
    144                 if (subscriptionType.equalsIgnoreCase("NV")) {
    145                     nvSupported = true;
    146                 }
    147                 if (subscriptionType.equalsIgnoreCase("RUIM")) {
    148                     ruimSupported = true;
    149                 }
    150             }
    151         }
    152 
    153         log("deviceSupportsnvAnRum: nvSupported=" + nvSupported +
    154                 " ruimSupported=" + ruimSupported);
    155         return (nvSupported && ruimSupported);
    156     }
    157 
    158     public boolean preferenceTreeClick(Preference preference) {
    159         if (preference.getKey().equals(BUTTON_CDMA_SYSTEM_SELECT_KEY)) {
    160             log("preferenceTreeClick: return BUTTON_CDMA_ROAMING_KEY true");
    161             return true;
    162         }
    163         if (preference.getKey().equals(BUTTON_CDMA_SUBSCRIPTION_KEY)) {
    164             log("preferenceTreeClick: return CDMA_SUBSCRIPTION_KEY true");
    165             return true;
    166         }
    167         return false;
    168     }
    169 
    170     public void showDialog(Preference preference) {
    171         if (preference.getKey().equals(BUTTON_CDMA_SYSTEM_SELECT_KEY)) {
    172             mButtonCdmaSystemSelect.showDialog(null);
    173         } else if (preference.getKey().equals(BUTTON_CDMA_SUBSCRIPTION_KEY)) {
    174             mButtonCdmaSubscription.showDialog(null);
    175         }
    176     }
    177 
    178     protected void log(String s) {
    179         android.util.Log.d(LOG_TAG, s);
    180     }
    181 }
    182