| /* |
| * Copyright (C) 2021 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.car.settings.qc; |
| |
| import android.content.Context; |
| import android.net.TetheringManager; |
| import android.net.Uri; |
| import android.net.wifi.WifiManager; |
| import android.os.Handler; |
| import android.os.HandlerExecutor; |
| import android.os.Looper; |
| |
| import java.io.IOException; |
| |
| /** |
| * Background worker for the {@link HotspotTile} QCItem. |
| */ |
| public class HotspotTileWorker extends SettingsQCBackgroundWorker<HotspotTile> { |
| |
| private final WifiManager mWifiManager; |
| private final TetheringManager mTetheringManager; |
| private final Handler mHandler; |
| private boolean mCallbacksRegistered; |
| |
| private final TetheringManager.TetheringEventCallback mTetheringEventCallback = |
| new TetheringManager.TetheringEventCallback() { |
| @Override |
| public void onTetheringSupported(boolean supported) { |
| if (getQCItem().getHotspotSupported() != supported) { |
| getQCItem().setHotspotSupported(supported); |
| notifyQCItemChange(); |
| } |
| } |
| }; |
| |
| private final WifiManager.SoftApCallback mSoftApCallback = new WifiManager.SoftApCallback() { |
| @Override |
| public void onStateChanged(int state, int failureReason) { |
| notifyQCItemChange(); |
| } |
| }; |
| |
| public HotspotTileWorker(Context context, Uri uri) { |
| super(context, uri); |
| mWifiManager = context.getSystemService(WifiManager.class); |
| mTetheringManager = context.getSystemService(TetheringManager.class); |
| mHandler = new Handler(Looper.getMainLooper()); |
| } |
| |
| @Override |
| protected void onQCItemSubscribe() { |
| if (!mCallbacksRegistered) { |
| mTetheringManager.registerTetheringEventCallback( |
| new HandlerExecutor(mHandler), mTetheringEventCallback); |
| mWifiManager.registerSoftApCallback(getContext().getMainExecutor(), mSoftApCallback); |
| mCallbacksRegistered = true; |
| } |
| } |
| |
| @Override |
| protected void onQCItemUnsubscribe() { |
| unregisterCallbacks(); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| unregisterCallbacks(); |
| } |
| |
| private void unregisterCallbacks() { |
| if (mCallbacksRegistered) { |
| mWifiManager.unregisterSoftApCallback(mSoftApCallback); |
| mTetheringManager.unregisterTetheringEventCallback(mTetheringEventCallback); |
| mCallbacksRegistered = false; |
| } |
| } |
| } |