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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.preference.CheckBoxPreference;
     20 import android.preference.Preference;
     21 import android.preference.PreferenceActivity;
     22 import android.preference.PreferenceScreen;
     23 import android.content.res.Resources;
     24 
     25 import com.android.internal.telephony.Phone;
     26 import com.android.internal.telephony.PhoneConstants;
     27 import com.android.internal.telephony.PhoneFactory;
     28 
     29 /**
     30  * List of Network-specific settings screens.
     31  */
     32 public class GsmUmtsOptions {
     33     private static final String LOG_TAG = "GsmUmtsOptions";
     34 
     35     private PreferenceScreen mButtonAPNExpand;
     36     private PreferenceScreen mButtonOperatorSelectionExpand;
     37     private CheckBoxPreference mButtonPrefer2g;
     38 
     39     private static final String BUTTON_APN_EXPAND_KEY = "button_apn_key";
     40     private static final String BUTTON_OPERATOR_SELECTION_EXPAND_KEY = "button_carrier_sel_key";
     41     private static final String BUTTON_PREFER_2G_KEY = "button_prefer_2g_key";
     42     private PreferenceActivity mPrefActivity;
     43     private PreferenceScreen mPrefScreen;
     44 
     45     public GsmUmtsOptions(PreferenceActivity prefActivity, PreferenceScreen prefScreen) {
     46         mPrefActivity = prefActivity;
     47         mPrefScreen = prefScreen;
     48         create();
     49     }
     50 
     51     protected void create() {
     52         mPrefActivity.addPreferencesFromResource(R.xml.gsm_umts_options);
     53         mButtonAPNExpand = (PreferenceScreen) mPrefScreen.findPreference(BUTTON_APN_EXPAND_KEY);
     54         mButtonOperatorSelectionExpand =
     55                 (PreferenceScreen) mPrefScreen.findPreference(BUTTON_OPERATOR_SELECTION_EXPAND_KEY);
     56         mButtonPrefer2g = (CheckBoxPreference) mPrefScreen.findPreference(BUTTON_PREFER_2G_KEY);
     57         if (PhoneFactory.getDefaultPhone().getPhoneType() != PhoneConstants.PHONE_TYPE_GSM) {
     58             log("Not a GSM phone");
     59             mButtonAPNExpand.setEnabled(false);
     60             mButtonOperatorSelectionExpand.setEnabled(false);
     61             mButtonPrefer2g.setEnabled(false);
     62         } else {
     63             log("Not a CDMA phone");
     64             Resources res = mPrefActivity.getResources();
     65 
     66             // Determine which options to display, for GSM these are defaulted
     67             // are defaulted to true in Phone/res/values/config.xml. But for
     68             // some operators like verizon they maybe overriden in operator
     69             // specific resources or device specifc overlays.
     70             if (!res.getBoolean(R.bool.config_apn_expand)) {
     71                 mPrefScreen.removePreference(mPrefScreen.findPreference(BUTTON_APN_EXPAND_KEY));
     72             }
     73             if (!res.getBoolean(R.bool.config_operator_selection_expand)) {
     74                 mPrefScreen.removePreference(mPrefScreen
     75                         .findPreference(BUTTON_OPERATOR_SELECTION_EXPAND_KEY));
     76             }
     77             if (!res.getBoolean(R.bool.config_prefer_2g)) {
     78                 mPrefScreen.removePreference(mPrefScreen.findPreference(BUTTON_PREFER_2G_KEY));
     79             }
     80 
     81             if (res.getBoolean(R.bool.csp_enabled)) {
     82                 if (PhoneFactory.getDefaultPhone().isCspPlmnEnabled()) {
     83                     log("[CSP] Enabling Operator Selection menu.");
     84                     mButtonOperatorSelectionExpand.setEnabled(true);
     85                 } else {
     86                     log("[CSP] Disabling Operator Selection menu.");
     87                     mPrefScreen.removePreference(mPrefScreen
     88                           .findPreference(BUTTON_OPERATOR_SELECTION_EXPAND_KEY));
     89                 }
     90             }
     91         }
     92     }
     93 
     94     public boolean preferenceTreeClick(Preference preference) {
     95         if (preference.getKey().equals(BUTTON_PREFER_2G_KEY)) {
     96             log("preferenceTreeClick: return true");
     97             return true;
     98         }
     99         log("preferenceTreeClick: return false");
    100         return false;
    101     }
    102 
    103     protected void log(String s) {
    104         android.util.Log.d(LOG_TAG, s);
    105     }
    106 }
    107