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package com.android.settings.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.os.UserHandle;
import android.os.UserManager;
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.Utils;
import com.android.settings.core.PreferenceControllerMixin;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
public class AppLocationPermissionPreferenceController extends
LocationBasePreferenceController implements PreferenceControllerMixin {
/** Total number of apps that has location permission. */
@VisibleForTesting
int mNumTotal = -1;
/** Total number of apps that has background location permission. */
@VisibleForTesting
int mNumHasLocation = -1;
final AtomicInteger loadingInProgress = new AtomicInteger(0);
private int mNumTotalLoading = 0;
private int mNumHasLocationLoading = 0;
private final LocationManager mLocationManager;
private Preference mPreference;
public AppLocationPermissionPreferenceController(Context context, String key) {
super(context, key);
mLocationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
}
@Override
public int getAvailabilityStatus() {
return Settings.Global.getInt(mContext.getContentResolver(),
Settings.Global.LOCATION_SETTINGS_LINK_TO_PERMISSIONS_ENABLED, 1) == 1 ? AVAILABLE
: UNSUPPORTED_ON_DEVICE;
}
@Override
public CharSequence getSummary() {
if (mLocationManager.isLocationEnabled()) {
if (mNumTotal == -1 || mNumHasLocation == -1) {
return mContext.getString(R.string.location_settings_loading_app_permission_stats);
}
return mContext.getResources().getQuantityString(
R.plurals.location_app_permission_summary_location_on, mNumHasLocation,
mNumHasLocation, mNumTotal);
} else {
return mContext.getString(R.string.location_app_permission_summary_location_off);
}
}
private void setAppCounts(int numTotal, int numHasLocation) {
mNumTotal = numTotal;
mNumHasLocation = numHasLocation;
refreshSummary(mPreference);
}
@Override
public void updateState(Preference preference) {
super.updateState(preference);
mPreference = preference;
refreshSummary(preference);
// Bail out if location has been disabled, or there's another loading request in progress.
if (!mLocationManager.isLocationEnabled() ||
loadingInProgress.get() != 0) {
return;
}
mNumTotalLoading = 0;
mNumHasLocationLoading = 0;
// Retrieve a list of users inside the current user profile group.
final List<UserHandle> users = mContext.getSystemService(
UserManager.class).getUserProfiles();
loadingInProgress.set(2 * users.size());
for (UserHandle user : users) {
final Context userContext = Utils.createPackageContextAsUser(mContext,
user.getIdentifier());
if (userContext == null) {
for (int i = 0; i < 2; ++i) {
if (loadingInProgress.decrementAndGet() == 0) {
setAppCounts(mNumTotalLoading, mNumHasLocationLoading);
}
}
continue;
}
final PermissionControllerManager permController =
userContext.getSystemService(PermissionControllerManager.class);
permController.countPermissionApps(
Arrays.asList(ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION), 0,
(numApps) -> {
mNumTotalLoading += numApps;
if (loadingInProgress.decrementAndGet() == 0) {
setAppCounts(mNumTotalLoading, mNumHasLocationLoading);
}
}, null);
permController.countPermissionApps(
Arrays.asList(ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION),
PermissionControllerManager.COUNT_ONLY_WHEN_GRANTED,
(numApps) -> {
mNumHasLocationLoading += numApps;
if (loadingInProgress.decrementAndGet() == 0) {
setAppCounts(mNumTotalLoading, mNumHasLocationLoading);
}
}, null);
}
}
@Override
public void onLocationModeChanged(int mode, boolean restricted) {
if (mPreference != null) {
updateState(mPreference);
}
}
}
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