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      1 /*
      2  * Copyright (C) 2006 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.systemui.statusbar;
     18 
     19 import android.content.BroadcastReceiver;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.content.IntentFilter;
     23 import android.provider.Telephony;
     24 import android.util.AttributeSet;
     25 import android.util.Slog;
     26 import android.view.View;
     27 import android.widget.TextView;
     28 
     29 import java.text.SimpleDateFormat;
     30 import java.util.Calendar;
     31 import java.util.TimeZone;
     32 
     33 import com.android.internal.R;
     34 
     35 /**
     36  * This widget display an analogic clock with two hands for hours and
     37  * minutes.
     38  */
     39 public class CarrierLabel extends TextView {
     40     private boolean mAttached;
     41 
     42     public CarrierLabel(Context context) {
     43         this(context, null);
     44     }
     45 
     46     public CarrierLabel(Context context, AttributeSet attrs) {
     47         this(context, attrs, 0);
     48     }
     49 
     50     public CarrierLabel(Context context, AttributeSet attrs, int defStyle) {
     51         super(context, attrs, defStyle);
     52         updateNetworkName(false, null, false, null);
     53     }
     54 
     55     @Override
     56     protected void onAttachedToWindow() {
     57         super.onAttachedToWindow();
     58 
     59         if (!mAttached) {
     60             mAttached = true;
     61             IntentFilter filter = new IntentFilter();
     62             filter.addAction(Telephony.Intents.SPN_STRINGS_UPDATED_ACTION);
     63             getContext().registerReceiver(mIntentReceiver, filter, null, getHandler());
     64         }
     65     }
     66 
     67     @Override
     68     protected void onDetachedFromWindow() {
     69         super.onDetachedFromWindow();
     70         if (mAttached) {
     71             getContext().unregisterReceiver(mIntentReceiver);
     72             mAttached = false;
     73         }
     74     }
     75 
     76     private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
     77         @Override
     78         public void onReceive(Context context, Intent intent) {
     79             String action = intent.getAction();
     80             if (Telephony.Intents.SPN_STRINGS_UPDATED_ACTION.equals(action)) {
     81                 updateNetworkName(intent.getBooleanExtra(Telephony.Intents.EXTRA_SHOW_SPN, false),
     82                         intent.getStringExtra(Telephony.Intents.EXTRA_SPN),
     83                         intent.getBooleanExtra(Telephony.Intents.EXTRA_SHOW_PLMN, false),
     84                         intent.getStringExtra(Telephony.Intents.EXTRA_PLMN));
     85             }
     86         }
     87     };
     88 
     89     void updateNetworkName(boolean showSpn, String spn, boolean showPlmn, String plmn) {
     90         if (false) {
     91             Slog.d("CarrierLabel", "updateNetworkName showSpn=" + showSpn + " spn=" + spn
     92                     + " showPlmn=" + showPlmn + " plmn=" + plmn);
     93         }
     94         StringBuilder str = new StringBuilder();
     95         boolean something = false;
     96         if (showPlmn && plmn != null) {
     97             str.append(plmn);
     98             something = true;
     99         }
    100         if (showSpn && spn != null) {
    101             if (something) {
    102                 str.append('\n');
    103             }
    104             str.append(spn);
    105             something = true;
    106         }
    107         if (something) {
    108             setText(str.toString());
    109         } else {
    110             setText(com.android.internal.R.string.lockscreen_carrier_default);
    111         }
    112     }
    113 
    114 
    115 }
    116 
    117 
    118