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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.Context;
import android.location.LocationManager;
import android.permission.PermissionControllerManager;
import android.provider.Settings;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import com.android.settings.R;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settingslib.core.lifecycle.Lifecycle;
import java.util.Arrays;
import java.util.Collections;
import java.util.concurrent.atomic.AtomicInteger;
public class AppLocationPermissionPreferenceController extends
LocationBasePreferenceController implements PreferenceControllerMixin {
private static final String KEY_APP_LEVEL_PERMISSIONS = "app_level_permissions";
/** Total number of apps that has location permission. */
@VisibleForTesting
int mNumTotal = -1;
/** Total number of apps that has background location permission. */
@VisibleForTesting
int mNumBackground = -1;
private final LocationManager mLocationManager;
private Preference mPreference;
public AppLocationPermissionPreferenceController(Context context, Lifecycle lifecycle) {
super(context, lifecycle);
mLocationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
}
@Override
public String getPreferenceKey() {
return KEY_APP_LEVEL_PERMISSIONS;
}
@Override
public boolean isAvailable() {
return Settings.Global.getInt(mContext.getContentResolver(),
Settings.Global.LOCATION_SETTINGS_LINK_TO_PERMISSIONS_ENABLED, 1) == 1;
}
@Override
public CharSequence getSummary() {
if (mLocationManager.isLocationEnabled()) {
if (mNumTotal == -1 || mNumBackground == -1) {
return mContext.getString(R.string.location_settings_loading_app_permission_stats);
}
return mContext.getResources().getQuantityString(
R.plurals.location_app_permission_summary_location_on, mNumBackground,
mNumBackground, mNumTotal);
} else {
return mContext.getString(R.string.location_app_permission_summary_location_off);
}
}
@Override
public void updateState(Preference preference) {
super.updateState(preference);
mPreference = preference;
final AtomicInteger loadingInProgress = new AtomicInteger(2);
refreshSummary(preference);
// Bail out if location has been disabled.
if (!mLocationManager.isLocationEnabled()) {
return;
}
PermissionControllerManager permController =
mContext.getSystemService(PermissionControllerManager.class);
permController.countPermissionApps(
Arrays.asList(ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION), 0,
(numApps) -> {
mNumTotal = numApps;
if (loadingInProgress.decrementAndGet() == 0) {
refreshSummary(preference);
}
}, null);
permController.countPermissionApps(
Collections.singletonList(ACCESS_BACKGROUND_LOCATION),
PermissionControllerManager.COUNT_ONLY_WHEN_GRANTED,
(numApps) -> {
mNumBackground = numApps;
if (loadingInProgress.decrementAndGet() == 0) {
refreshSummary(preference);
}
}, null);
}
@Override
public void onLocationModeChanged(int mode, boolean restricted) {
// 'null' is checked inside updateState(), so no need to check here.
updateState(mPreference);
}
}
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