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      1 /*
      2  * Copyright (c) 2014, The Linux Foundation. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *    * Redistributions of source code must retain the above copyright
      8         notice, this list of conditions and the following disclaimer.
      9  *    * Redistributions in binary form must reproduce the above
     10  *      copyright notice, this list of conditions and the following
     11  *      disclaimer in the documentation and/or other materials provided
     12  *      with the distribution.
     13  *    * Neither the name of The Linux Foundation nor the names of its
     14  *      contributors may be used to endorse or promote products derived
     15  *      from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     18  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     24  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     25  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     26  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 package com.android.ims;
     31 
     32 import java.util.HashMap;
     33 import java.util.Map;
     34 
     35 import android.os.AsyncResult;
     36 import android.os.Bundle;
     37 import android.os.Message;
     38 import android.os.RemoteException;
     39 import android.telephony.Rlog;
     40 
     41 import com.android.ims.internal.IImsEcbm;
     42 import com.android.ims.internal.IImsEcbmListener;
     43 import com.android.ims.ImsEcbmStateListener;
     44 
     45 /**
     46  * Provides APIs for the supplementary service settings using IMS (Ut interface).
     47  * It is created from 3GPP TS 24.623 (XCAP(XML Configuration Access Protocol)
     48  * over the Ut interface for manipulating supplementary services).
     49  *
     50  * @hide
     51  */
     52 public class ImsEcbm {
     53     private static final String TAG = "ImsEcbm";
     54     private static final boolean DBG = true;
     55 
     56     private final IImsEcbm miEcbm;
     57 
     58     public ImsEcbm(IImsEcbm iEcbm) {
     59         if (DBG) Rlog.d(TAG, "ImsEcbm created");
     60         miEcbm = iEcbm;
     61     }
     62 
     63     public void setEcbmStateListener(ImsEcbmStateListener ecbmListener) throws ImsException {
     64         try {
     65             miEcbm.setListener(new ImsEcbmListenerProxy(ecbmListener));
     66         } catch (RemoteException e) {
     67             throw new ImsException("setEcbmStateListener()", e,
     68                     ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
     69         }
     70     }
     71 
     72     public void exitEmergencyCallbackMode() throws ImsException {
     73         try {
     74             miEcbm.exitEmergencyCallbackMode();
     75         } catch (RemoteException e) {
     76             throw new ImsException("exitEmergencyCallbackMode()", e,
     77                     ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
     78         }
     79     }
     80 
     81     /**
     82      * Adapter class for {@link IImsEcbmListener}.
     83      */
     84     private class ImsEcbmListenerProxy extends IImsEcbmListener.Stub {
     85         private ImsEcbmStateListener mListener;
     86 
     87         public ImsEcbmListenerProxy(ImsEcbmStateListener listener) {
     88             mListener = listener;
     89         }
     90 
     91         @Override
     92         public void enteredECBM() {
     93             if (DBG) Rlog.d(TAG, "enteredECBM ::");
     94 
     95             if (mListener != null) {
     96                 mListener.onECBMEntered();
     97             }
     98         }
     99 
    100         @Override
    101         public void exitedECBM() {
    102             if (DBG) Rlog.d(TAG, "exitedECBM ::");
    103 
    104             if (mListener != null) {
    105                 mListener.onECBMExited();
    106             }
    107         }
    108     }
    109 }
    110