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/*
* 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.server.location;
import android.content.Context;
import android.location.Address;
import android.location.GeocoderParams;
import android.location.IGeocodeProvider;
import android.os.Handler;
import android.os.RemoteException;
import android.util.Log;
import com.android.server.ServiceWatcher;
import java.util.List;
/**
* Proxy for IGeocodeProvider implementations.
*/
public class GeocoderProxy {
private static final String TAG = "GeocoderProxy";
private static final String SERVICE_ACTION = "com.android.location.service.GeocodeProvider";
private final Context mContext;
private final ServiceWatcher mServiceWatcher;
public static GeocoderProxy createAndBind(Context context,
int overlaySwitchResId, int defaultServicePackageNameResId,
int initialPackageNamesResId, Handler handler) {
GeocoderProxy proxy = new GeocoderProxy(context, overlaySwitchResId,
defaultServicePackageNameResId, initialPackageNamesResId, handler);
if (proxy.bind()) {
return proxy;
} else {
return null;
}
}
private GeocoderProxy(Context context,
int overlaySwitchResId, int defaultServicePackageNameResId,
int initialPackageNamesResId, Handler handler) {
mContext = context;
mServiceWatcher = new ServiceWatcher(mContext, TAG, SERVICE_ACTION, overlaySwitchResId,
defaultServicePackageNameResId, initialPackageNamesResId, null, handler);
}
private boolean bind () {
return mServiceWatcher.start();
}
private IGeocodeProvider getService() {
return IGeocodeProvider.Stub.asInterface(mServiceWatcher.getBinder());
}
public String getConnectedPackageName() {
return mServiceWatcher.getBestPackageName();
}
public String getFromLocation(double latitude, double longitude, int maxResults,
GeocoderParams params, List<Address> addrs) {
IGeocodeProvider provider = getService();
if (provider != null) {
try {
return provider.getFromLocation(latitude, longitude, maxResults, params, addrs);
} catch (RemoteException e) {
Log.w(TAG, e);
}
}
return "Service not Available";
}
public String getFromLocationName(String locationName,
double lowerLeftLatitude, double lowerLeftLongitude,
double upperRightLatitude, double upperRightLongitude, int maxResults,
GeocoderParams params, List<Address> addrs) {
IGeocodeProvider provider = getService();
if (provider != null) {
try {
return provider.getFromLocationName(locationName, lowerLeftLatitude,
lowerLeftLongitude, upperRightLatitude, upperRightLongitude,
maxResults, params, addrs);
} catch (RemoteException e) {
Log.w(TAG, e);
}
}
return "Service not Available";
}
}
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