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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 com.android.internal.telephony.Phone;
     20 
     21 import android.content.Context;
     22 import android.os.AsyncResult;
     23 import android.os.Handler;
     24 import android.os.Message;
     25 import android.preference.CheckBoxPreference;
     26 import android.util.AttributeSet;
     27 import android.util.Log;
     28 
     29 public class CdmaVoicePrivacyCheckBoxPreference extends CheckBoxPreference {
     30     private static final String LOG_TAG = "CdmaVoicePrivacyCheckBoxPreference";
     31     private final boolean DBG = (PhoneApp.DBG_LEVEL >= 2);
     32 
     33     Phone phone;
     34     private MyHandler mHandler = new MyHandler();
     35 
     36     public CdmaVoicePrivacyCheckBoxPreference(Context context, AttributeSet attrs, int defStyle) {
     37         super(context, attrs, defStyle);
     38 
     39         phone = PhoneApp.getPhone();
     40         phone.getEnhancedVoicePrivacy(mHandler.obtainMessage(MyHandler.MESSAGE_GET_VP));
     41     }
     42 
     43     public CdmaVoicePrivacyCheckBoxPreference(Context context, AttributeSet attrs) {
     44         this(context, attrs, com.android.internal.R.attr.checkBoxPreferenceStyle);
     45     }
     46 
     47     public CdmaVoicePrivacyCheckBoxPreference(Context context) {
     48         this(context, null);
     49     }
     50 
     51 
     52     @Override
     53     protected void onClick() {
     54         super.onClick();
     55 
     56         phone.enableEnhancedVoicePrivacy(isChecked(),
     57                 mHandler.obtainMessage(MyHandler.MESSAGE_SET_VP));
     58     }
     59 
     60 
     61 
     62     private class MyHandler extends Handler {
     63         private static final int MESSAGE_GET_VP = 0;
     64         private static final int MESSAGE_SET_VP = 1;
     65 
     66         @Override
     67         public void handleMessage(Message msg) {
     68             switch (msg.what) {
     69                 case MESSAGE_GET_VP:
     70                     handleGetVPResponse(msg);
     71                     break;
     72                 case MESSAGE_SET_VP:
     73                     handleSetVPResponse(msg);
     74                     break;
     75             }
     76         }
     77 
     78         private void handleGetVPResponse(Message msg) {
     79             AsyncResult ar = (AsyncResult) msg.obj;
     80 
     81             if (ar.exception != null) {
     82                 if (DBG) Log.d(LOG_TAG, "handleGetVPResponse: ar.exception=" + ar.exception);
     83                 setEnabled(false);
     84             } else {
     85                 if (DBG) Log.d(LOG_TAG, "handleGetVPResponse: VP state successfully queried.");
     86                 final int enable = ((int[]) ar.result)[0];
     87                 setChecked(enable != 0);
     88 
     89                 android.provider.Settings.Secure.putInt(getContext().getContentResolver(),
     90                         android.provider.Settings.Secure.ENHANCED_VOICE_PRIVACY_ENABLED, enable);
     91             }
     92         }
     93 
     94         private void handleSetVPResponse(Message msg) {
     95             AsyncResult ar = (AsyncResult) msg.obj;
     96 
     97             if (ar.exception != null) {
     98                 if (DBG) Log.d(LOG_TAG, "handleSetVPResponse: ar.exception=" + ar.exception);
     99             }
    100             if (DBG) Log.d(LOG_TAG, "handleSetVPResponse: re get");
    101 
    102             phone.getEnhancedVoicePrivacy(obtainMessage(MESSAGE_GET_VP));
    103         }
    104     }
    105 }
    106