Merge "Update CarrierServiceBindHelper to use TM#getCarrierServicePackageName"

import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.util.List;

/**

 * Manages long-lived bindings to carrier services

public class CarrierServiceBindHelper {

    private static final String LOG_TAG = "CarrierSvcBindHelper";

    // TODO(b/201423849): Remove the UNBIND_DELAY_MILLIS and switch to CarrierPrivilegesCallback

    // The grace period has been replaced by CarrierPrivilegesTracker. CarrierPrivilegesCallback has

    // provided the callback for both carrier privileges change and carrier service change (with

    // awareness of the grace period), the delay based logic here should be cleaned up.

    /**

     * How long to linger a binding after an app loses carrier privileges, as long as no new

     * binding comes in to take its place.

         */

        void rebind() {

            // Get the package name for the carrier app

            List<String> carrierPackageNames =

                TelephonyManager.from(mContext).getCarrierPackageNamesForIntentAndPhone(

                    new Intent(CarrierService.CARRIER_SERVICE_INTERFACE), phoneId

                );

            String carrierPackageName = TelephonyManager.from(

                    mContext).getCarrierServicePackageNameForLogicalSlot(phoneId);

            if (carrierPackageNames == null || carrierPackageNames.size() <= 0) {

            if (carrierPackageName == null) {

                logdWithLocalLog("No carrier app for: " + phoneId);

                // Unbind after a delay in case this is a temporary blip in carrier privileges.

                unbind(false /* immediate */);

                return;

            }

            logdWithLocalLog("Found carrier app: " + carrierPackageNames);

            String candidateCarrierPackage = carrierPackageNames.get(0);

            logdWithLocalLog("Found carrier app: " + carrierPackageName);

            // If we are binding to a different package, unbind immediately from the current one.

            if (!TextUtils.equals(carrierPackage, candidateCarrierPackage)) {

            if (!TextUtils.equals(carrierPackage, carrierPackageName)) {

                unbind(true /* immediate */);

            }

            // Look up the carrier service

            Intent carrierService = new Intent(CarrierService.CARRIER_SERVICE_INTERFACE);

            carrierService.setPackage(candidateCarrierPackage);

            carrierService.setPackage(carrierPackageName);

            ResolveInfo carrierResolveInfo = mContext.getPackageManager().resolveService(

                carrierService, PackageManager.GET_META_DATA);

                return;

            }

            carrierPackage = candidateCarrierPackage;

            carrierPackage = carrierPackageName;

            carrierServiceClass = candidateServiceClass;

            logdWithLocalLog("Binding to " + carrierPackage + " for phone " + phoneId);