| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settings.network; |
| |
| import android.content.Context; |
| import android.telephony.TelephonyCallback; |
| import android.telephony.TelephonyManager; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| import java.util.concurrent.Executor; |
| |
| /** |
| * {@link TelephonyCallback} to listen to Allowed Network Types changed |
| */ |
| public class AllowedNetworkTypesListener extends TelephonyCallback implements |
| TelephonyCallback.AllowedNetworkTypesListener { |
| private static final String LOG_TAG = "NetworkModeListener"; |
| |
| @VisibleForTesting |
| OnAllowedNetworkTypesListener mListener; |
| private Executor mExecutor; |
| |
| public AllowedNetworkTypesListener(Executor executor) { |
| super(); |
| mExecutor = executor; |
| } |
| |
| public void setAllowedNetworkTypesListener(OnAllowedNetworkTypesListener lsn) { |
| mListener = lsn; |
| } |
| |
| /** |
| * Register a TelephonyCallback for Allowed Network Types changed. |
| * @param context the Context |
| * @param subId the subscription id. |
| */ |
| public void register(Context context, int subId) { |
| TelephonyManager telephonyManager = context.getSystemService( |
| TelephonyManager.class).createForSubscriptionId(subId); |
| telephonyManager.registerTelephonyCallback(mExecutor, this); |
| } |
| |
| /** |
| * Unregister a TelephonyCallback for Allowed Network Types changed. |
| * @param context the Context |
| * @param subId the subscription id. |
| */ |
| public void unregister(Context context, int subId) { |
| TelephonyManager telephonyManager = context.getSystemService( |
| TelephonyManager.class).createForSubscriptionId(subId); |
| telephonyManager.unregisterTelephonyCallback(this); |
| } |
| |
| @Override |
| public void onAllowedNetworkTypesChanged(int reason, long newAllowedNetworkType) { |
| if (reason != TelephonyManager.ALLOWED_NETWORK_TYPES_REASON_USER |
| && reason != TelephonyManager.ALLOWED_NETWORK_TYPES_REASON_CARRIER) { |
| return; |
| } |
| if (mListener != null) { |
| mListener.onAllowedNetworkTypesChanged(); |
| Log.d(LOG_TAG, "onAllowedNetworkChanged: " + newAllowedNetworkType); |
| } |
| } |
| |
| /** |
| * Listener for update of Preferred Network Mode change |
| */ |
| public interface OnAllowedNetworkTypesListener { |
| /** |
| * Notify the allowed network type changed. |
| */ |
| void onAllowedNetworkTypesChanged(); |
| } |
| } |