| /* |
| * Copyright (C) 2019 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.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.hardware.usb.UsbManager; |
| import android.net.ConnectivityManager; |
| import android.os.Environment; |
| import android.text.TextUtils; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.lifecycle.Lifecycle; |
| import androidx.lifecycle.OnLifecycleEvent; |
| |
| import com.android.settings.Utils; |
| |
| /** |
| * This controller helps to manage the switch state and visibility of USB tether switch |
| * preference. |
| * |
| */ |
| public final class UsbTetherPreferenceController extends TetherBasePreferenceController { |
| |
| private static final String TAG = "UsbTetherPrefController"; |
| |
| private boolean mUsbConnected; |
| private boolean mMassStorageActive; |
| |
| public UsbTetherPreferenceController(Context context, String prefKey) { |
| super(context, prefKey); |
| } |
| |
| @OnLifecycleEvent(Lifecycle.Event.ON_START) |
| public void onStart() { |
| mMassStorageActive = Environment.MEDIA_SHARED.equals(Environment.getExternalStorageState()); |
| IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_STATE); |
| filter.addAction(Intent.ACTION_MEDIA_SHARED); |
| filter.addAction(Intent.ACTION_MEDIA_UNSHARED); |
| mContext.registerReceiver(mUsbChangeReceiver, filter); |
| } |
| |
| @OnLifecycleEvent(Lifecycle.Event.ON_STOP) |
| public void onStop() { |
| mContext.unregisterReceiver(mUsbChangeReceiver); |
| } |
| |
| @Override |
| public boolean shouldEnable() { |
| return mUsbConnected && !mMassStorageActive; |
| } |
| |
| @Override |
| public boolean shouldShow() { |
| String[] usbRegexs = mCm.getTetherableUsbRegexs(); |
| return usbRegexs != null && usbRegexs.length != 0 && !Utils.isMonkeyRunning(); |
| } |
| |
| @Override |
| public int getTetherType() { |
| return ConnectivityManager.TETHERING_USB; |
| } |
| |
| @VisibleForTesting |
| final BroadcastReceiver mUsbChangeReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (TextUtils.equals(Intent.ACTION_MEDIA_SHARED, action)) { |
| mMassStorageActive = true; |
| } else if (TextUtils.equals(Intent.ACTION_MEDIA_UNSHARED, action)) { |
| mMassStorageActive = false; |
| } else if (TextUtils.equals(UsbManager.ACTION_USB_STATE, action)) { |
| mUsbConnected = intent.getBooleanExtra(UsbManager.USB_CONNECTED, false); |
| } |
| updateState(mPreference); |
| } |
| }; |
| } |