| /* |
| * 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.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.ServiceConnection; |
| import android.location.Address; |
| import android.location.GeocoderParams; |
| import android.location.IGeocodeProvider; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.util.Log; |
| |
| import java.util.List; |
| |
| /** |
| * A class for proxying IGeocodeProvider implementations. |
| * |
| * {@hide} |
| */ |
| public class GeocoderProxy { |
| |
| private static final String TAG = "GeocoderProxy"; |
| |
| public static final String SERVICE_ACTION = |
| "com.android.location.service.GeocodeProvider"; |
| |
| private final Context mContext; |
| private final Intent mIntent; |
| private final Object mMutex = new Object(); // synchronizes access to mServiceConnection |
| private Connection mServiceConnection; // never null after ctor |
| |
| public GeocoderProxy(Context context, String packageName) { |
| mContext = context; |
| mIntent = new Intent(SERVICE_ACTION); |
| reconnect(packageName); |
| } |
| |
| /** Bind to service. Will reconnect if already connected */ |
| public void reconnect(String packageName) { |
| synchronized (mMutex) { |
| if (mServiceConnection != null) { |
| mContext.unbindService(mServiceConnection); |
| } |
| mServiceConnection = new Connection(); |
| mIntent.setPackage(packageName); |
| mContext.bindService(mIntent, mServiceConnection, |
| Context.BIND_AUTO_CREATE | Context.BIND_NOT_FOREGROUND |
| | Context.BIND_ALLOW_OOM_MANAGEMENT); |
| } |
| } |
| |
| private class Connection implements ServiceConnection { |
| |
| private IGeocodeProvider mProvider; |
| |
| public void onServiceConnected(ComponentName className, IBinder service) { |
| synchronized (this) { |
| mProvider = IGeocodeProvider.Stub.asInterface(service); |
| } |
| } |
| |
| public void onServiceDisconnected(ComponentName className) { |
| synchronized (this) { |
| mProvider = null; |
| } |
| } |
| |
| public IGeocodeProvider getProvider() { |
| synchronized (this) { |
| return mProvider; |
| } |
| } |
| } |
| |
| public String getFromLocation(double latitude, double longitude, int maxResults, |
| GeocoderParams params, List<Address> addrs) { |
| IGeocodeProvider provider; |
| synchronized (mMutex) { |
| provider = mServiceConnection.getProvider(); |
| } |
| if (provider != null) { |
| try { |
| return provider.getFromLocation(latitude, longitude, maxResults, |
| params, addrs); |
| } catch (RemoteException e) { |
| Log.e(TAG, "getFromLocation failed", 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; |
| synchronized (mMutex) { |
| provider = mServiceConnection.getProvider(); |
| } |
| if (provider != null) { |
| try { |
| return provider.getFromLocationName(locationName, lowerLeftLatitude, |
| lowerLeftLongitude, upperRightLatitude, upperRightLongitude, |
| maxResults, params, addrs); |
| } catch (RemoteException e) { |
| Log.e(TAG, "getFromLocationName failed", e); |
| } |
| } |
| return "Service not Available"; |
| } |
| } |