content: /*
   * Copyright (C) 2010 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.location.provider;
  
  import android.os.IBinder;
  
  import android.location.Address;
  import android.location.GeocoderParams;
  import android.location.IGeocodeProvider;
  
  import java.util.List;
  
  /**
   * Base class for geocode providers implemented as unbundled services.
   *
   * <p>Geocode providers can be implemented as services and return the result of
   * {@link GeocodeProvider#getBinder()} in its getBinder() method.
   *
   * <p>IMPORTANT: This class is effectively a public API for unbundled
   * applications, and must remain API stable. See README.txt in the root
   * of this package for more information.
   * @hide
   */
  public abstract class GeocodeProvider {
  
      private IGeocodeProvider.Stub mProvider = new IGeocodeProvider.Stub() {
          public String getFromLocation(double latitude, double longitude, int maxResults,
                  GeocoderParams params, List<Address> addrs) {
              return GeocodeProvider.this.onGetFromLocation(latitude, longitude, maxResults,
                      params, addrs);
          }
  
          public String getFromLocationName(String locationName,
                  double lowerLeftLatitude, double lowerLeftLongitude,
                  double upperRightLatitude, double upperRightLongitude, int maxResults,
                  GeocoderParams params, List<Address> addrs) {
              return GeocodeProvider.this.onGetFromLocationName(locationName, lowerLeftLatitude,
                      lowerLeftLongitude, upperRightLatitude, upperRightLongitude,
                      maxResults, params, addrs);
          }
      };
  
      /**
       * This method is overridden to implement the
       * {@link android.location.Geocoder#getFromLocation(double, double, int)} method.
       * Classes implementing this method should not hold a reference to the params parameter.
       */
      public abstract String onGetFromLocation(double latitude, double longitude, int maxResults,
              GeocoderParams params, List<Address> addrs);
  
      /**
       * This method is overridden to implement the
       * {@link android.location.Geocoder#getFromLocationName(String, int, double, double, double, double)} method.
       * Classes implementing this method should not hold a reference to the params parameter.
       */
      public abstract String onGetFromLocationName(String locationName,
              double lowerLeftLatitude, double lowerLeftLongitude,
              double upperRightLatitude, double upperRightLongitude, int maxResults,
              GeocoderParams params, List<Address> addrs);
  
      /**
       * Returns the Binder interface for the geocode provider.
       * This is intended to be used for the onBind() method of
       * a service that implements a geocoder service.
       *
       * @return the IBinder instance for the provider
       */
      public IBinder getBinder() {
          return mProvider;
      }
  }
  