blob: fe85c7f42b2361bc0fe05cd8004eb4b27c635473 [file] [log] [blame]
package com.android.settings.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.os.UserHandle;
import android.os.UserManager;
import android.permission.PermissionControllerManager;
import android.util.FeatureFlagUtils;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import com.android.settings.R;
import com.android.settings.Utils;
import com.android.settings.core.BasePreferenceController;
import com.android.settings.core.FeatureFlags;
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.List;
import java.util.concurrent.atomic.AtomicInteger;
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 int mNumTotalLoading = 0;
private BroadcastReceiver mReceiver;
private Preference mPreference;
private AtomicInteger loadingInProgress = new AtomicInteger(0);
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() {
// Remove homepage summaries for silky home.
if (FeatureFlagUtils.isEnabled(mContext, FeatureFlags.SILKY_HOME)) {
return null;
}
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);
}
}
@VisibleForTesting
void setLocationAppCount(int numApps) {
mNumTotal = numApps;
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;
// Retrieve a list of users inside the current user profile group.
final List<UserHandle> users = mContext.getSystemService(
UserManager.class).getUserProfiles();
loadingInProgress.set(users.size());
for (UserHandle user : users) {
final Context userContext = Utils.createPackageContextAsUser(mContext,
user.getIdentifier());
if (userContext == null) {
if (loadingInProgress.decrementAndGet() == 0) {
setLocationAppCount(mNumTotalLoading);
}
continue;
}
final PermissionControllerManager permController =
userContext.getSystemService(PermissionControllerManager.class);
permController.countPermissionApps(
Arrays.asList(ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION),
PermissionControllerManager.COUNT_ONLY_WHEN_GRANTED,
(numApps) -> {
mNumTotalLoading += numApps;
if (loadingInProgress.decrementAndGet() == 0) {
setLocationAppCount(mNumTotalLoading);
}
}, 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() {
if (mPreference != null) {
updateState(mPreference);
}
}
}