diff options
Diffstat (limited to 'services/java/com/android/server/location/PassiveProvider.java')
-rw-r--r-- | services/java/com/android/server/location/PassiveProvider.java | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/services/java/com/android/server/location/PassiveProvider.java b/services/java/com/android/server/location/PassiveProvider.java new file mode 100644 index 0000000..7fc93f8 --- /dev/null +++ b/services/java/com/android/server/location/PassiveProvider.java @@ -0,0 +1,152 @@ +/* + * 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.location.Criteria; +import android.location.ILocationManager; +import android.location.Location; +import android.location.LocationManager; +import android.location.LocationProvider; +import android.net.NetworkInfo; +import android.os.Bundle; +import android.os.RemoteException; +import android.util.Log; + +/** + * A passive location provider reports locations received from other providers + * for clients that want to listen passively without actually triggering + * location updates. + * + * {@hide} + */ +public class PassiveProvider implements LocationProviderInterface { + + private static final String TAG = "PassiveProvider"; + + private final ILocationManager mLocationManager; + private boolean mTracking; + + public PassiveProvider(ILocationManager locationManager) { + mLocationManager = locationManager; + } + + public String getName() { + return LocationManager.PASSIVE_PROVIDER; + } + + public boolean requiresNetwork() { + return false; + } + + public boolean requiresSatellite() { + return false; + } + + public boolean requiresCell() { + return false; + } + + public boolean hasMonetaryCost() { + return false; + } + + public boolean supportsAltitude() { + return false; + } + + public boolean supportsSpeed() { + return false; + } + + public boolean supportsBearing() { + return false; + } + + public int getPowerRequirement() { + return -1; + } + + public boolean meetsCriteria(Criteria criteria) { + // We do not want to match the special passive provider based on criteria. + return false; + } + + public int getAccuracy() { + return -1; + } + + public boolean isEnabled() { + return true; + } + + public void enable() { + } + + public void disable() { + } + + public int getStatus(Bundle extras) { + if (mTracking) { + return LocationProvider.AVAILABLE; + } else { + return LocationProvider.TEMPORARILY_UNAVAILABLE; + } + } + + public long getStatusUpdateTime() { + return -1; + } + + public String getInternalState() { + return null; + } + + public void enableLocationTracking(boolean enable) { + mTracking = enable; + } + + public boolean requestSingleShotFix() { + return false; + } + + public void setMinTime(long minTime) { + } + + public void updateNetworkState(int state, NetworkInfo info) { + } + + public void updateLocation(Location location) { + if (mTracking) { + try { + // pass the location back to the location manager + mLocationManager.reportLocation(location, true); + } catch (RemoteException e) { + Log.e(TAG, "RemoteException calling reportLocation"); + } + } + } + + public boolean sendExtraCommand(String command, Bundle extras) { + return false; + } + + public void addListener(int uid) { + } + + public void removeListener(int uid) { + } +} |