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      1 /*
      2  * Copyright (C) 2009 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.app.AlertDialog;
     20 import android.content.Context;
     21 import android.os.SystemProperties;
     22 import android.util.Log;
     23 import android.view.WindowManager;
     24 
     25 /**
     26  * Helper class for displaying the DisplayInfo sent by CDMA network.
     27  */
     28 public class CdmaDisplayInfo {
     29     private static final String LOG_TAG = "CdmaDisplayInfo";
     30     private static final boolean DBG = (SystemProperties.getInt("ro.debuggable", 0) == 1);
     31 
     32     /** CDMA DisplayInfo dialog */
     33     private static AlertDialog sDisplayInfoDialog = null;
     34 
     35     /**
     36      * Handle the DisplayInfo record and display the alert dialog with
     37      * the network message.
     38      *
     39      * @param context context to get strings.
     40      * @param infoMsg Text message from Network.
     41      */
     42     public static void displayInfoRecord(Context context, String infoMsg) {
     43 
     44         if (DBG) log("displayInfoRecord: infoMsg=" + infoMsg);
     45 
     46         if (sDisplayInfoDialog != null) {
     47             sDisplayInfoDialog.dismiss();
     48         }
     49 
     50         // displaying system alert dialog on the screen instead of
     51         // using another activity to display the message.  This
     52         // places the message at the forefront of the UI.
     53         sDisplayInfoDialog = new AlertDialog.Builder(context)
     54                 .setIcon(android.R.drawable.ic_dialog_info)
     55                 .setTitle(context.getText(R.string.network_message))
     56                 .setMessage(infoMsg)
     57                 .setCancelable(true)
     58                 .create();
     59 
     60         sDisplayInfoDialog.getWindow().setType(
     61                 WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG);
     62         sDisplayInfoDialog.getWindow().addFlags(
     63                 WindowManager.LayoutParams.FLAG_DIM_BEHIND);
     64 
     65         sDisplayInfoDialog.show();
     66         PhoneGlobals.getInstance().wakeUpScreen();
     67 
     68     }
     69 
     70     /**
     71      * Dismiss the DisplayInfo record
     72      */
     73     public static void dismissDisplayInfoRecord() {
     74 
     75         if (DBG) log("Dissmissing Display Info Record...");
     76 
     77         if (sDisplayInfoDialog != null) {
     78             sDisplayInfoDialog.dismiss();
     79             sDisplayInfoDialog = null;
     80         }
     81     }
     82 
     83     private static void log(String msg) {
     84         Log.d(LOG_TAG, "[CdmaDisplayInfo] " + msg);
     85     }
     86 }
     87