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package com.android.settings.location;
import static android.Manifest.permission.ACCESS_BACKGROUND_LOCATION;
import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
import static android.Manifest.permission.ACCESS_FINE_LOCATION;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.location.LocationManager;
import android.permission.RuntimePermissionPresenter;
import androidx.preference.Preference;
import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
import java.util.Arrays;
import java.util.Collections;
public class TopLevelLocationPreferenceController extends BasePreferenceController implements
LifecycleObserver, OnStart, OnStop {
private static final IntentFilter INTENT_FILTER_LOCATION_MODE_CHANGED =
new IntentFilter(LocationManager.MODE_CHANGED_ACTION);
private final LocationManager mLocationManager;
/** Total number of apps that has location permission. */
private int mNumTotal = -1;
private BroadcastReceiver mReceiver;
private Preference mPreference;
public TopLevelLocationPreferenceController(Context context, String preferenceKey) {
super(context, preferenceKey);
mLocationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
}
@Override
public int getAvailabilityStatus() {
return AVAILABLE;
}
@Override
public CharSequence getSummary() {
if (mLocationManager.isLocationEnabled()) {
if (mNumTotal == -1) {
return mContext.getString(R.string.location_settings_loading_app_permission_stats);
}
return mContext.getResources().getQuantityString(
R.plurals.location_settings_summary_location_on,
mNumTotal, mNumTotal);
} else {
return mContext.getString(R.string.location_settings_summary_location_off);
}
}
@Override
public void updateState(Preference preference) {
super.updateState(preference);
mPreference = preference;
refreshSummary(preference);
// Bail out if location has been disabled.
if (!mLocationManager.isLocationEnabled()) {
return;
}
RuntimePermissionPresenter.getInstance(mContext).countPermissionApps(
Arrays.asList(ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION), false, false,
(numApps) -> {
mNumTotal = numApps;
refreshSummary(preference);
}, null);
}
@Override
public void onStart() {
if (mReceiver == null) {
mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
refreshLocationMode();
}
};
}
mContext.registerReceiver(mReceiver, INTENT_FILTER_LOCATION_MODE_CHANGED);
refreshLocationMode();
}
@Override
public void onStop() {
mContext.unregisterReceiver(mReceiver);
}
private void refreshLocationMode() {
// 'null' is checked inside updateState(), so no need to check here.
updateState(mPreference);
}
}
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