/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.location;
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import android.annotation.Nullable;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.ServiceConnection;
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import android.hardware.location.GeofenceHardwareService;
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import android.hardware.location.IGeofenceHardware;
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import android.location.IFusedGeofenceHardware;
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import android.location.IGeofenceProvider;
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import android.location.IGpsGeofenceHardware;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.os.UserHandle;
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import android.util.Log;
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import com.android.server.FgThread;
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import com.android.server.ServiceWatcher;
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/**
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* @hide
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*/
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public final class GeofenceProxy {
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private static final String TAG = "GeofenceProxy";
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private static final String SERVICE_ACTION = "com.android.location.service.GeofenceProvider";
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private final Context mContext;
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private final ServiceWatcher mServiceWatcher;
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@Nullable
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private final IGpsGeofenceHardware mGpsGeofenceHardware;
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@Nullable
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private final IFusedGeofenceHardware mFusedGeofenceHardware;
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private volatile IGeofenceHardware mGeofenceHardware;
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private final ServiceWatcher.BinderRunner mUpdateGeofenceHardware = (binder) -> {
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IGeofenceProvider provider = IGeofenceProvider.Stub.asInterface(binder);
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try {
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provider.setGeofenceHardware(mGeofenceHardware);
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} catch (RemoteException e) {
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Log.w(TAG, e);
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}
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};
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public static GeofenceProxy createAndBind(Context context,
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int overlaySwitchResId, int defaultServicePackageNameResId,
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int initialPackageNamesResId, @Nullable IGpsGeofenceHardware gpsGeofence,
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@Nullable IFusedGeofenceHardware fusedGeofenceHardware) {
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GeofenceProxy proxy = new GeofenceProxy(context, overlaySwitchResId,
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defaultServicePackageNameResId, initialPackageNamesResId, gpsGeofence,
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fusedGeofenceHardware);
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if (proxy.bind()) {
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return proxy;
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} else {
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return null;
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}
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}
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private GeofenceProxy(Context context,
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int overlaySwitchResId, int defaultServicePackageNameResId,
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int initialPackageNamesResId, @Nullable IGpsGeofenceHardware gpsGeofence,
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@Nullable IFusedGeofenceHardware fusedGeofenceHardware) {
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mContext = context;
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mServiceWatcher = new ServiceWatcher(context, TAG, SERVICE_ACTION, overlaySwitchResId,
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defaultServicePackageNameResId, initialPackageNamesResId,
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FgThread.getHandler()) {
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@Override
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protected void onBind() {
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runOnBinder(mUpdateGeofenceHardware);
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}
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};
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mGpsGeofenceHardware = gpsGeofence;
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mFusedGeofenceHardware = fusedGeofenceHardware;
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mGeofenceHardware = null;
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}
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private boolean bind() {
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if (mServiceWatcher.start()) {
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mContext.bindServiceAsUser(new Intent(mContext, GeofenceHardwareService.class),
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new GeofenceProxyServiceConnection(), Context.BIND_AUTO_CREATE,
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UserHandle.SYSTEM);
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return true;
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}
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return false;
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}
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private class GeofenceProxyServiceConnection implements ServiceConnection {
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@Override
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public void onServiceConnected(ComponentName name, IBinder service) {
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IGeofenceHardware geofenceHardware = IGeofenceHardware.Stub.asInterface(service);
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try {
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if (mGpsGeofenceHardware != null) {
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geofenceHardware.setGpsGeofenceHardware(mGpsGeofenceHardware);
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}
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if (mFusedGeofenceHardware != null) {
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geofenceHardware.setFusedGeofenceHardware(mFusedGeofenceHardware);
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}
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mGeofenceHardware = geofenceHardware;
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mServiceWatcher.runOnBinder(mUpdateGeofenceHardware);
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} catch (Exception e) {
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Log.w(TAG, e);
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}
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}
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@Override
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public void onServiceDisconnected(ComponentName name) {
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mGeofenceHardware = null;
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mServiceWatcher.runOnBinder(mUpdateGeofenceHardware);
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}
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}
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}
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