content: /*
   * Copyright (C) 2016 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License
   */
  
  package com.android.ims;
  
  import com.android.ims.internal.IImsMultiEndpoint;
  import com.android.ims.internal.IImsExternalCallStateListener;
  
  import android.os.RemoteException;
  import android.telephony.Rlog;
  import android.telephony.ims.ImsExternalCallState;
  import android.telephony.ims.ImsReasonInfo;
  
  import java.util.List;
  
  /**
   * Provides APIs for the IMS multi-endpoint functionality.  Specifically, provides a means for IMS
   * to subscribe to dialog event packages issued by the network.
   *
   * @hide
   */
  public class ImsMultiEndpoint {
      /**
       * Adapter class for {@link IImsExternalCallStateListener}.
       */
      private class ImsExternalCallStateListenerProxy extends IImsExternalCallStateListener.Stub {
          private ImsExternalCallStateListener mListener;
  
          public ImsExternalCallStateListenerProxy(ImsExternalCallStateListener listener) {
              mListener = listener;
          }
  
  
          /**
           * Notifies client when Dialog Event Package update is received
           *
           * @param externalCallState the external call state.
           */
          @Override
          public void onImsExternalCallStateUpdate(List<ImsExternalCallState> externalCallState) {
              if (DBG) Rlog.d(TAG, "onImsExternalCallStateUpdate");
  
              if (mListener != null) {
                  mListener.onImsExternalCallStateUpdate(externalCallState);
              }
          }
      }
  
      private static final String TAG = "ImsMultiEndpoint";
      private static final boolean DBG = true;
  
      private final IImsMultiEndpoint mImsMultiendpoint;
  
      public ImsMultiEndpoint(IImsMultiEndpoint iImsMultiEndpoint) {
          if (DBG) Rlog.d(TAG, "ImsMultiEndpoint created");
          mImsMultiendpoint = iImsMultiEndpoint;
      }
  
      public void setExternalCallStateListener(ImsExternalCallStateListener externalCallStateListener)
              throws ImsException {
          try {
              if (DBG) Rlog.d(TAG, "setExternalCallStateListener");
              mImsMultiendpoint.setListener(new ImsExternalCallStateListenerProxy(
                      externalCallStateListener));
          } catch (RemoteException e) {
              throw new ImsException("setExternalCallStateListener could not be set.", e,
                      ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
          }
      }
  
      public boolean isBinderAlive() {
          return mImsMultiendpoint.asBinder().isBinderAlive();
      }
  }
  