| /* |
| * Copyright 2018 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.bluetooth; |
| |
| import static android.os.UserManager.DISALLOW_CONFIG_BLUETOOTH; |
| |
| import android.bluetooth.BluetoothDevice; |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.content.Context; |
| |
| import com.android.car.settings.R; |
| import com.android.car.settings.common.FragmentController; |
| import com.android.car.settings.common.Logger; |
| import com.android.internal.util.ArrayUtils; |
| import com.android.settingslib.bluetooth.BluetoothDeviceFilter; |
| import com.android.settingslib.bluetooth.BluetoothDeviceFilter.Filter; |
| import com.android.settingslib.bluetooth.CachedBluetoothDevice; |
| |
| /** |
| * Displays a list of unbonded (unpaired) Bluetooth devices. This controller also sets the |
| * Bluetooth adapter to discovery mode and begins scanning for discoverable devices for as long as |
| * the preference group is shown. Clicking on a device will start the pairing process. Discovery |
| * and scanning are halted while a device is pairing. Users with the {@link |
| * DISALLOW_CONFIG_BLUETOOTH} restriction cannot pair devices. |
| */ |
| public class BluetoothUnbondedDevicesPreferenceController extends |
| BluetoothScanningDevicesGroupPreferenceController { |
| |
| private final Filter mUnbondedDeviceTypeFilter = new UnbondedDeviceTypeFilter(); |
| |
| private static final Logger LOG = new Logger( |
| BluetoothUnbondedDevicesPreferenceController.class); |
| |
| public BluetoothUnbondedDevicesPreferenceController(Context context, String preferenceKey, |
| FragmentController fragmentController, CarUxRestrictions uxRestrictions) { |
| super(context, preferenceKey, fragmentController, uxRestrictions); |
| } |
| |
| @Override |
| protected BluetoothDeviceFilter.Filter getDeviceFilter() { |
| return mUnbondedDeviceTypeFilter; |
| } |
| |
| @Override |
| protected void onDeviceClickedInternal(CachedBluetoothDevice cachedDevice) { |
| if (cachedDevice.startPairing()) { |
| LOG.d("startPairing"); |
| // Indicate that this client (vehicle) would like access to contacts (PBAP) and messages |
| // (MAP) if there is a server which permits it (usually a phone). |
| cachedDevice.setPhonebookPermissionChoice(CachedBluetoothDevice.ACCESS_ALLOWED); |
| cachedDevice.setMessagePermissionChoice(CachedBluetoothDevice.ACCESS_ALLOWED); |
| } else { |
| BluetoothUtils.showError(getContext(), cachedDevice.getName(), |
| R.string.bluetooth_pairing_error_message); |
| refreshUi(); |
| } |
| } |
| |
| @Override |
| protected int getAvailabilityStatus() { |
| int availabilityStatus = super.getAvailabilityStatus(); |
| if (availabilityStatus == AVAILABLE |
| && getCarUserManagerHelper().isCurrentProcessUserHasRestriction( |
| DISALLOW_CONFIG_BLUETOOTH)) { |
| return DISABLED_FOR_USER; |
| } |
| return availabilityStatus; |
| } |
| |
| /** Filter that matches only unbonded devices with specific device types. */ |
| private class UnbondedDeviceTypeFilter implements Filter { |
| public boolean matches(BluetoothDevice device) { |
| int[] unbondedMajorClassFilter = getContext() |
| .getResources() |
| .getIntArray(R.array.config_unbonded_device_filter_whitelist); |
| boolean matches = device.getBondState() != BluetoothDevice.BOND_BONDED; |
| if (matches && unbondedMajorClassFilter.length > 0) { |
| matches = device.getBluetoothClass() != null |
| && ArrayUtils.contains( |
| unbondedMajorClassFilter, |
| device.getBluetoothClass().getMajorDeviceClass()); |
| } |
| return matches; |
| } |
| } |
| } |