503 lines
18 KiB
Java
503 lines
18 KiB
Java
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/*
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* Copyright 2021 HIMSA II K/S - www.himsa.com.
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* Represented by EHIMA - www.ehima.com
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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 android.bluetooth;
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import android.Manifest;
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import android.annotation.CallbackExecutor;
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import android.annotation.IntDef;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.annotation.RequiresPermission;
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import android.annotation.SdkConstant;
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import android.annotation.SdkConstant.SdkConstantType;
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import android.annotation.SystemApi;
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import android.content.AttributionSource;
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import android.content.Context;
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import android.os.IBinder;
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import android.os.ParcelUuid;
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import android.os.RemoteException;
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import android.util.CloseGuard;
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import android.util.Log;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.UUID;
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import java.util.concurrent.Executor;
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/**
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* This class provides the public APIs to control the Bluetooth CSIP set coordinator.
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*
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* <p>BluetoothCsipSetCoordinator is a proxy object for controlling the Bluetooth CSIP set Service
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* via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get the BluetoothCsipSetCoordinator
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* proxy object.
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*/
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public final class BluetoothCsipSetCoordinator implements BluetoothProfile, AutoCloseable {
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private static final String TAG = "BluetoothCsipSetCoordinator";
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private static final boolean DBG = false;
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private static final boolean VDBG = false;
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private CloseGuard mCloseGuard;
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/** @hide */
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@SystemApi
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public interface ClientLockCallback {
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/** @hide */
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@IntDef(
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value = {
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BluetoothStatusCodes.SUCCESS,
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BluetoothStatusCodes.ERROR_DEVICE_NOT_CONNECTED,
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BluetoothStatusCodes.ERROR_CSIP_INVALID_GROUP_ID,
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BluetoothStatusCodes.ERROR_CSIP_GROUP_LOCKED_BY_OTHER,
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BluetoothStatusCodes.ERROR_CSIP_LOCKED_GROUP_MEMBER_LOST,
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BluetoothStatusCodes.ERROR_UNKNOWN,
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})
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@Retention(RetentionPolicy.SOURCE)
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@interface Status {}
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/**
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* Callback is invoken as a result on {@link #groupLock()}.
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*
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* @param groupId group identifier
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* @param opStatus status of lock operation
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* @param isLocked indicates if group is locked
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* @hide
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*/
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@SystemApi
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void onGroupLockSet(int groupId, @Status int opStatus, boolean isLocked);
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}
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private static class BluetoothCsipSetCoordinatorLockCallbackDelegate
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extends IBluetoothCsipSetCoordinatorLockCallback.Stub {
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private final ClientLockCallback mCallback;
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private final Executor mExecutor;
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BluetoothCsipSetCoordinatorLockCallbackDelegate(
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Executor executor, ClientLockCallback callback) {
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mExecutor = executor;
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mCallback = callback;
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}
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@Override
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public void onGroupLockSet(int groupId, int opStatus, boolean isLocked) {
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mExecutor.execute(() -> mCallback.onGroupLockSet(groupId, opStatus, isLocked));
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}
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}
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;
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/**
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* Intent used to broadcast the change in connection state of the CSIS Client.
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*
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* <p>This intent will have 3 extras:
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*
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* <ul>
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* <li>{@link #EXTRA_STATE} - The current state of the profile.
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* <li>{@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile.
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* <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device.
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* </ul>
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*
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* <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of {@link
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* #STATE_DISCONNECTED}, {@link #STATE_CONNECTING}, {@link #STATE_CONNECTED}, {@link
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* #STATE_DISCONNECTING}.
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*/
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@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
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@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
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public static final String ACTION_CSIS_CONNECTION_STATE_CHANGED =
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"android.bluetooth.action.CSIS_CONNECTION_STATE_CHANGED";
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/**
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* Intent used to expose broadcast receiving device.
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*
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* <p>This intent will have 2 extras:
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*
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* <ul>
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* <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote Broadcast receiver device.
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* <li>{@link #EXTRA_CSIS_GROUP_ID} - Group identifier.
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* <li>{@link #EXTRA_CSIS_GROUP_SIZE} - Group size.
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* <li>{@link #EXTRA_CSIS_GROUP_TYPE_UUID} - Group type UUID.
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* </ul>
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*
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* @hide
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*/
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@SystemApi
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@RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED)
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@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
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public static final String ACTION_CSIS_DEVICE_AVAILABLE =
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"android.bluetooth.action.CSIS_DEVICE_AVAILABLE";
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/**
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* Used as an extra field in {@link #ACTION_CSIS_DEVICE_AVAILABLE} intent. Contains the group
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* id.
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*
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* <p>Possible Values: {@link GROUP_ID_INVALID} Invalid group identifier 0x01 - 0xEF Valid group
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* identifier
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*
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* @hide
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*/
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@SystemApi
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public static final String EXTRA_CSIS_GROUP_ID = "android.bluetooth.extra.CSIS_GROUP_ID";
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/**
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* Group size as int extra field in {@link #ACTION_CSIS_DEVICE_AVAILABLE} intent.
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*
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* @hide
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*/
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public static final String EXTRA_CSIS_GROUP_SIZE = "android.bluetooth.extra.CSIS_GROUP_SIZE";
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/**
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* Group type uuid extra field in {@link #ACTION_CSIS_DEVICE_AVAILABLE} intent.
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*
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* @hide
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*/
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public static final String EXTRA_CSIS_GROUP_TYPE_UUID =
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"android.bluetooth.extra.CSIS_GROUP_TYPE_UUID";
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/**
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* Intent used to broadcast information about identified set member ready to connect.
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*
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* <p>This intent will have one extra:
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*
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* <ul>
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* <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device. It can be null if no device
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* is active.
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* <li>{@link #EXTRA_CSIS_GROUP_ID} - Group identifier.
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* </ul>
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*
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* @hide
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*/
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@SystemApi
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@RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED)
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@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
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public static final String ACTION_CSIS_SET_MEMBER_AVAILABLE =
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"android.bluetooth.action.CSIS_SET_MEMBER_AVAILABLE";
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/**
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* This represents an invalid group ID.
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*
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* @hide
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*/
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@SystemApi
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public static final int GROUP_ID_INVALID = IBluetoothCsipSetCoordinator.CSIS_GROUP_ID_INVALID;
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private final BluetoothAdapter mAdapter;
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private final AttributionSource mAttributionSource;
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private IBluetoothCsipSetCoordinator mService;
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/**
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* Create a BluetoothCsipSetCoordinator proxy object for interacting with the local Bluetooth
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* CSIS service.
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*/
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/*package*/ BluetoothCsipSetCoordinator(Context context, BluetoothAdapter adapter) {
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mAdapter = adapter;
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mAttributionSource = adapter.getAttributionSource();
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mService = null;
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mCloseGuard = new CloseGuard();
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mCloseGuard.open("close");
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}
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/** @hide */
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@SuppressWarnings("Finalize") // TODO(b/314811467)
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protected void finalize() {
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if (mCloseGuard != null) {
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mCloseGuard.warnIfOpen();
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}
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close();
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}
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/** @hide */
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@Override
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public void close() {
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mAdapter.closeProfileProxy(this);
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}
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/** @hide */
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@Override
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public void onServiceConnected(IBinder service) {
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mService = IBluetoothCsipSetCoordinator.Stub.asInterface(service);
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}
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/** @hide */
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@Override
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public void onServiceDisconnected() {
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mService = null;
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}
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private IBluetoothCsipSetCoordinator getService() {
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return mService;
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}
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/** @hide */
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@Override
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public BluetoothAdapter getAdapter() {
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return mAdapter;
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}
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/**
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* Lock the set.
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*
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* @param groupId group ID to lock,
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* @param executor callback executor,
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* @param callback callback to report lock and unlock events - stays valid until the app unlocks
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* using the returned lock identifier or the lock timeouts on the remote side, as per CSIS
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* specification,
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* @return unique lock identifier used for unlocking or null if lock has failed.
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* @throws IllegalArgumentException when executor or callback is null
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* @hide
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*/
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@SystemApi
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@RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
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public @Nullable UUID lockGroup(
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int groupId,
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@NonNull @CallbackExecutor Executor executor,
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@NonNull ClientLockCallback callback) {
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if (VDBG) log("lockGroup()");
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Objects.requireNonNull(executor, "executor cannot be null");
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Objects.requireNonNull(callback, "callback cannot be null");
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final IBluetoothCsipSetCoordinator service = getService();
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if (service == null) {
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Log.w(TAG, "Proxy not attached to service");
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if (DBG) log(Log.getStackTraceString(new Throwable()));
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} else if (isEnabled()) {
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IBluetoothCsipSetCoordinatorLockCallback delegate =
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new BluetoothCsipSetCoordinatorLockCallbackDelegate(executor, callback);
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try {
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final ParcelUuid ret = service.lockGroup(groupId, delegate, mAttributionSource);
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return ret == null ? null : ret.getUuid();
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} catch (RemoteException e) {
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throw e.rethrowAsRuntimeException();
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}
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}
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return null;
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}
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/**
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* Unlock the set.
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*
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* @param lockUuid unique lock identifier
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* @return true if unlocked, false on error
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* @throws IllegalArgumentException when lockUuid is null
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* @hide
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*/
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@SystemApi
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@RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
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public boolean unlockGroup(@NonNull UUID lockUuid) {
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if (VDBG) log("unlockGroup()");
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Objects.requireNonNull(lockUuid, "lockUuid cannot be null");
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final IBluetoothCsipSetCoordinator service = getService();
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if (service == null) {
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Log.w(TAG, "Proxy not attached to service");
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if (DBG) log(Log.getStackTraceString(new Throwable()));
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} else if (isEnabled()) {
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try {
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service.unlockGroup(new ParcelUuid(lockUuid), mAttributionSource);
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return true;
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} catch (RemoteException e) {
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throw e.rethrowAsRuntimeException();
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}
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}
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return false;
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}
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/**
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* Get device's groups.
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*
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* @param device the active device
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* @return Map of groups ids and related UUIDs
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* @hide
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*/
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@SystemApi
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@RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
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@NonNull
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public Map<Integer, ParcelUuid> getGroupUuidMapByDevice(@Nullable BluetoothDevice device) {
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if (VDBG) log("getGroupUuidMapByDevice()");
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final IBluetoothCsipSetCoordinator service = getService();
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if (service == null) {
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Log.w(TAG, "Proxy not attached to service");
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if (DBG) log(Log.getStackTraceString(new Throwable()));
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} else if (isEnabled()) {
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try {
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return service.getGroupUuidMapByDevice(device, mAttributionSource);
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} catch (RemoteException e) {
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throw e.rethrowAsRuntimeException();
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}
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}
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return new HashMap<>();
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}
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/**
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* Get group id for the given UUID
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*
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* @return list of group IDs
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* @hide
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*/
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@SystemApi
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@RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
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public @NonNull List<Integer> getAllGroupIds(@Nullable ParcelUuid uuid) {
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if (VDBG) log("getAllGroupIds()");
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final IBluetoothCsipSetCoordinator service = getService();
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if (service == null) {
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Log.w(TAG, "Proxy not attached to service");
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if (DBG) log(Log.getStackTraceString(new Throwable()));
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} else if (isEnabled()) {
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try {
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return service.getAllGroupIds(uuid, mAttributionSource);
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} catch (RemoteException e) {
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throw e.rethrowAsRuntimeException();
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}
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}
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return Collections.emptyList();
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}
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/** {@inheritDoc} */
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@Override
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public @NonNull List<BluetoothDevice> getConnectedDevices() {
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||
|
|
if (VDBG) log("getConnectedDevices()");
|
||
|
|
final IBluetoothCsipSetCoordinator service = getService();
|
||
|
|
if (service == null) {
|
||
|
|
Log.w(TAG, "Proxy not attached to service");
|
||
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
||
|
|
} else if (isEnabled()) {
|
||
|
|
try {
|
||
|
|
return service.getConnectedDevices(mAttributionSource);
|
||
|
|
} catch (RemoteException e) {
|
||
|
|
throw e.rethrowAsRuntimeException();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return Collections.emptyList();
|
||
|
|
}
|
||
|
|
|
||
|
|
/** {@inheritDoc} */
|
||
|
|
@Override
|
||
|
|
@NonNull
|
||
|
|
public List<BluetoothDevice> getDevicesMatchingConnectionStates(@NonNull int[] states) {
|
||
|
|
if (VDBG) log("getDevicesMatchingStates(states=" + Arrays.toString(states) + ")");
|
||
|
|
final IBluetoothCsipSetCoordinator service = getService();
|
||
|
|
if (service == null) {
|
||
|
|
Log.w(TAG, "Proxy not attached to service");
|
||
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
||
|
|
} else if (isEnabled()) {
|
||
|
|
try {
|
||
|
|
return service.getDevicesMatchingConnectionStates(states, mAttributionSource);
|
||
|
|
} catch (RemoteException e) {
|
||
|
|
throw e.rethrowAsRuntimeException();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return Collections.emptyList();
|
||
|
|
}
|
||
|
|
|
||
|
|
/** {@inheritDoc} */
|
||
|
|
@Override
|
||
|
|
@BluetoothProfile.BtProfileState
|
||
|
|
public int getConnectionState(@Nullable BluetoothDevice device) {
|
||
|
|
if (VDBG) log("getState(" + device + ")");
|
||
|
|
final IBluetoothCsipSetCoordinator service = getService();
|
||
|
|
if (service == null) {
|
||
|
|
Log.w(TAG, "Proxy not attached to service");
|
||
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
||
|
|
} else if (isEnabled()) {
|
||
|
|
try {
|
||
|
|
return service.getConnectionState(device, mAttributionSource);
|
||
|
|
} catch (RemoteException e) {
|
||
|
|
throw e.rethrowAsRuntimeException();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return BluetoothProfile.STATE_DISCONNECTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set connection policy of the profile
|
||
|
|
*
|
||
|
|
* <p>The device should already be paired. Connection policy can be one of {@link
|
||
|
|
* #CONNECTION_POLICY_ALLOWED}, {@link #CONNECTION_POLICY_FORBIDDEN}, {@link
|
||
|
|
* #CONNECTION_POLICY_UNKNOWN}
|
||
|
|
*
|
||
|
|
* @param device Paired bluetooth device
|
||
|
|
* @param connectionPolicy is the connection policy to set to for this profile
|
||
|
|
* @return true if connectionPolicy is set, false on error
|
||
|
|
* @hide
|
||
|
|
*/
|
||
|
|
@SystemApi
|
||
|
|
@RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
|
||
|
|
public boolean setConnectionPolicy(
|
||
|
|
@Nullable BluetoothDevice device, @ConnectionPolicy int connectionPolicy) {
|
||
|
|
if (DBG) log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")");
|
||
|
|
final IBluetoothCsipSetCoordinator service = getService();
|
||
|
|
if (service == null) {
|
||
|
|
Log.w(TAG, "Proxy not attached to service");
|
||
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
||
|
|
} else if (isEnabled()
|
||
|
|
&& isValidDevice(device)
|
||
|
|
&& (connectionPolicy == BluetoothProfile.CONNECTION_POLICY_FORBIDDEN
|
||
|
|
|| connectionPolicy == BluetoothProfile.CONNECTION_POLICY_ALLOWED)) {
|
||
|
|
try {
|
||
|
|
return service.setConnectionPolicy(device, connectionPolicy, mAttributionSource);
|
||
|
|
} catch (RemoteException e) {
|
||
|
|
throw e.rethrowAsRuntimeException();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the connection policy of the profile.
|
||
|
|
*
|
||
|
|
* <p>The connection policy can be any of: {@link #CONNECTION_POLICY_ALLOWED}, {@link
|
||
|
|
* #CONNECTION_POLICY_FORBIDDEN}, {@link #CONNECTION_POLICY_UNKNOWN}
|
||
|
|
*
|
||
|
|
* @param device Bluetooth device
|
||
|
|
* @return connection policy of the device
|
||
|
|
* @hide
|
||
|
|
*/
|
||
|
|
@SystemApi
|
||
|
|
@RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
|
||
|
|
public @ConnectionPolicy int getConnectionPolicy(@Nullable BluetoothDevice device) {
|
||
|
|
if (VDBG) log("getConnectionPolicy(" + device + ")");
|
||
|
|
final IBluetoothCsipSetCoordinator service = getService();
|
||
|
|
if (service == null) {
|
||
|
|
Log.w(TAG, "Proxy not attached to service");
|
||
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
||
|
|
} else if (isEnabled() && isValidDevice(device)) {
|
||
|
|
try {
|
||
|
|
return service.getConnectionPolicy(device, mAttributionSource);
|
||
|
|
} catch (RemoteException e) {
|
||
|
|
throw e.rethrowAsRuntimeException();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return BluetoothProfile.CONNECTION_POLICY_FORBIDDEN;
|
||
|
|
}
|
||
|
|
|
||
|
|
private boolean isEnabled() {
|
||
|
|
return mAdapter.getState() == BluetoothAdapter.STATE_ON;
|
||
|
|
}
|
||
|
|
|
||
|
|
private static boolean isValidDevice(@Nullable BluetoothDevice device) {
|
||
|
|
return device != null && BluetoothAdapter.checkBluetoothAddress(device.getAddress());
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void log(String msg) {
|
||
|
|
Log.d(TAG, msg);
|
||
|
|
}
|
||
|
|
}
|