io.romain.passport.logic.observables.LastKnownLocationObservable.java Source code

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Here is the source code for io.romain.passport.logic.observables.LastKnownLocationObservable.java

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/*
 *    Copyright 2016 Romain
 *
 *    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 io.romain.passport.logic.observables;

import android.Manifest;
import android.content.pm.PackageManager;
import android.location.Location;
import android.support.v4.content.ContextCompat;

import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.location.LocationServices;

import rx.Observable;
import rx.Subscriber;

public class LastKnownLocationObservable implements Observable.OnSubscribe<Location> {

    private final GoogleApiClient mClient;

    public static Observable<Location> create(GoogleApiClient client) {
        return Observable.create(new LastKnownLocationObservable(client));
    }

    private LastKnownLocationObservable(GoogleApiClient client) {
        mClient = client;
    }

    @Override
    public void call(Subscriber<? super Location> subscriber) {
        if (ContextCompat.checkSelfPermission(mClient.getContext(),
                Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED
                && ContextCompat.checkSelfPermission(mClient.getContext(),
                        Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED) {

            Location location = LocationServices.FusedLocationApi.getLastLocation(mClient);
            if (location != null) {
                subscriber.onNext(location);
            }
            subscriber.onCompleted();
        } else {
            subscriber.onError(new SecurityException("You don't have the permission..."));
        }
    }
}