content: /*
   * Copyright (C) 2017 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 android.telephony.ims.stub;
  
  import android.annotation.SystemApi;
  import android.os.RemoteException;
  import android.util.Log;
  
  import android.telephony.ims.ImsExternalCallState;
  import com.android.ims.internal.IImsExternalCallStateListener;
  import com.android.ims.internal.IImsMultiEndpoint;
  
  import java.util.List;
  
  /**
   * Base implementation of ImsMultiEndpoint, which implements stub versions of the methods
   * in the IImsMultiEndpoint AIDL. Override the methods that your implementation of
   * ImsMultiEndpoint supports.
   *
   * DO NOT remove or change the existing APIs, only add new ones to this Base implementation or you
   * will break other implementations of ImsMultiEndpoint maintained by other ImsServices.
   *
   * @hide
   */
  @SystemApi
  public class ImsMultiEndpointImplBase {
      private static final String TAG = "MultiEndpointImplBase";
  
      private IImsExternalCallStateListener mListener;
      private IImsMultiEndpoint mImsMultiEndpoint = new IImsMultiEndpoint.Stub() {
          @Override
          public void setListener(IImsExternalCallStateListener listener) throws RemoteException {
              mListener = listener;
          }
  
          @Override
          public void requestImsExternalCallStateInfo() throws RemoteException {
              ImsMultiEndpointImplBase.this.requestImsExternalCallStateInfo();
          }
      };
  
      /** @hide */
      public IImsMultiEndpoint getIImsMultiEndpoint() {
          return mImsMultiEndpoint;
      }
  
      /**
       * Notifies framework when Dialog Event Package update is received
       *
       * @throws RuntimeException if the connection to the framework is not available.
       */
      public final void onImsExternalCallStateUpdate(List<ImsExternalCallState> externalCallDialogs) {
          Log.d(TAG, "ims external call state update triggered.");
          if (mListener != null) {
              try {
                  mListener.onImsExternalCallStateUpdate(externalCallDialogs);
              } catch (RemoteException e) {
                  throw new RuntimeException(e);
              }
          }
      }
  
      /**
       * This method should be implemented by the IMS provider. Framework will trigger this to get the
       * latest Dialog Event Package information. Should
       */
      public void requestImsExternalCallStateInfo() {
          Log.d(TAG, "requestImsExternalCallStateInfo() not implemented");
      }
  }
  