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/*
* Copyright (C) 2017 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.incallui.calllocation.impl;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.location.Location;
import android.os.AsyncTask;
import com.android.dialer.common.LogUtil;
import com.android.dialer.logging.DialerImpression;
import com.android.dialer.logging.Logger;
import com.android.incallui.baseui.Presenter;
import com.android.incallui.baseui.Ui;
import com.google.android.gms.location.LocationListener;
import java.lang.ref.WeakReference;
import java.util.Objects;
/**
* Presenter for the {@code LocationFragment}.
*
* <p>Performs lookup for the address and map image to show.
*/
public class LocationPresenter extends Presenter<LocationPresenter.LocationUi>
implements LocationListener {
private Location lastLocation;
private AsyncTask downloadMapTask;
private AsyncTask reverseGeocodeTask;
LocationPresenter() {}
@Override
public void onUiReady(LocationUi ui) {
LogUtil.i("LocationPresenter.onUiReady", "");
super.onUiReady(ui);
updateLocation(lastLocation, true);
}
@Override
public void onUiUnready(LocationUi ui) {
LogUtil.i("LocationPresenter.onUiUnready", "");
super.onUiUnready(ui);
if (downloadMapTask != null) {
downloadMapTask.cancel(true);
}
if (reverseGeocodeTask != null) {
reverseGeocodeTask.cancel(true);
}
}
@Override
public void onLocationChanged(Location location) {
LogUtil.i("LocationPresenter.onLocationChanged", "");
updateLocation(location, false);
}
private void updateLocation(Location location, boolean forceUpdate) {
LogUtil.i("LocationPresenter.updateLocation", "location: " + location);
if (forceUpdate || !Objects.equals(lastLocation, location)) {
lastLocation = location;
int status = LocationHelper.checkLocation(location);
LocationUi ui = getUi();
if (status == LocationHelper.LOCATION_STATUS_OK) {
downloadMapTask = new DownloadMapImageTask(new WeakReference<>(ui)).execute(location);
reverseGeocodeTask = new ReverseGeocodeTask(new WeakReference<>(ui)).execute(location);
if (ui != null) {
ui.setLocation(location);
} else {
LogUtil.i("LocationPresenter.updateLocation", "no Ui");
}
} else if (status != LocationHelper.LOCATION_STATUS_NO_LOCATION) {
// Log impression indicating why the location is not valid
// Note: its possible for this to be called before the UI has been initialized.
Context context = (ui != null) ? ui.getContext() : null;
if (context != null) {
if (status == LocationHelper.LOCATION_STATUS_STALE) {
Logger.get(context).logImpression(DialerImpression.Type.EMERGENCY_STALE_LOCATION);
} else if (status == LocationHelper.LOCATION_STATUS_INACCURATE) {
Logger.get(context).logImpression(DialerImpression.Type.EMERGENCY_INACCURATE_LOCATION);
}
}
}
}
}
/** UI interface */
public interface LocationUi extends Ui {
void setAddress(String address);
void setMap(Drawable mapImage);
void setLocation(Location location);
Context getContext();
}
}
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