100 lines
3.2 KiB
Java
100 lines
3.2 KiB
Java
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.network;
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import android.content.Context;
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import android.net.EthernetManager;
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import android.net.TetheringManager;
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import android.os.Handler;
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import android.os.Looper;
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import androidx.lifecycle.Lifecycle;
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import androidx.lifecycle.OnLifecycleEvent;
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import com.android.internal.annotations.VisibleForTesting;
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import com.android.settings.Utils;
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import com.android.settingslib.utils.ThreadUtils;
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import java.util.HashSet;
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/**
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* This controller helps to manage the switch state and visibility of ethernet tether switch
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* preference.
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*/
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public final class EthernetTetherPreferenceController extends TetherBasePreferenceController {
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private final HashSet<String> mAvailableInterfaces = new HashSet<>();
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private final EthernetManager mEthernetManager;
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@VisibleForTesting
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EthernetManager.InterfaceStateListener mEthernetListener;
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public EthernetTetherPreferenceController(Context context, String preferenceKey) {
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super(context, preferenceKey);
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mEthernetManager = context.getSystemService(EthernetManager.class);
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}
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@OnLifecycleEvent(Lifecycle.Event.ON_START)
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public void onStart() {
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mEthernetListener = (iface, state, role, configuration) -> {
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if (state != EthernetManager.STATE_ABSENT) {
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mAvailableInterfaces.add(iface);
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} else {
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mAvailableInterfaces.remove(iface);
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}
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updateState(mPreference);
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};
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final Handler handler = new Handler(Looper.getMainLooper());
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// Executor will execute to post the updateState event to a new handler which is created
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// from the main looper when the {@link EthernetManager.Listener.onAvailabilityChanged}
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// is triggerd.
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if (mEthernetManager != null) {
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mEthernetManager.addInterfaceStateListener(r -> handler.post(r), mEthernetListener);
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}
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}
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@OnLifecycleEvent(Lifecycle.Event.ON_STOP)
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public void onStop() {
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if (mEthernetManager != null) {
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mEthernetManager.removeInterfaceStateListener(mEthernetListener);
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}
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}
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@Override
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public boolean shouldEnable() {
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ThreadUtils.ensureMainThread();
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String[] available = mTm.getTetherableIfaces();
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for (String s : available) {
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if (mAvailableInterfaces.contains(s)) {
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return true;
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}
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}
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return false;
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}
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@Override
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public boolean shouldShow() {
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return mEthernetManager != null && !Utils.isMonkeyRunning();
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}
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@Override
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public int getTetherType() {
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return TetheringManager.TETHERING_ETHERNET;
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}
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}
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