| /* Copyright 2021 HIMSA II K/S - www.himsa.com. Represented by EHIMA |
| - www.ehima.com |
| */ |
| |
| /* 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.settingslib.bluetooth; |
| |
| import static android.bluetooth.BluetoothAdapter.ACTIVE_DEVICE_ALL; |
| import static android.bluetooth.BluetoothProfile.CONNECTION_POLICY_ALLOWED; |
| import static android.bluetooth.BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; |
| |
| import android.annotation.Nullable; |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothClass; |
| import android.bluetooth.BluetoothCodecConfig; |
| import android.bluetooth.BluetoothCodecStatus; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothLeAudio; |
| import android.bluetooth.BluetoothProfile; |
| import android.bluetooth.BluetoothUuid; |
| import android.content.Context; |
| import android.os.Build; |
| import android.os.ParcelUuid; |
| import android.util.Log; |
| |
| import androidx.annotation.RequiresApi; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.settingslib.R; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| public class LeAudioProfile implements LocalBluetoothProfile { |
| private static final String TAG = "LeAudioProfile"; |
| private static boolean DEBUG = true; |
| |
| private Context mContext; |
| |
| private BluetoothLeAudio mService; |
| private boolean mIsProfileReady; |
| |
| private final CachedBluetoothDeviceManager mDeviceManager; |
| |
| static final String NAME = "LE_AUDIO"; |
| private final LocalBluetoothProfileManager mProfileManager; |
| private final BluetoothAdapter mBluetoothAdapter; |
| |
| // Order of this profile in device profiles list |
| private static final int ORDINAL = 1; |
| |
| // These callbacks run on the main thread. |
| private final class LeAudioServiceListener |
| implements BluetoothProfile.ServiceListener { |
| |
| @RequiresApi(Build.VERSION_CODES.S) |
| public void onServiceConnected(int profile, BluetoothProfile proxy) { |
| if (DEBUG) { |
| Log.d(TAG,"Bluetooth service connected"); |
| } |
| mService = (BluetoothLeAudio) proxy; |
| // We just bound to the service, so refresh the UI for any connected LeAudio devices. |
| List<BluetoothDevice> deviceList = mService.getConnectedDevices(); |
| while (!deviceList.isEmpty()) { |
| BluetoothDevice nextDevice = deviceList.remove(0); |
| CachedBluetoothDevice device = mDeviceManager.findDevice(nextDevice); |
| // we may add a new device here, but generally this should not happen |
| if (device == null) { |
| if (DEBUG) { |
| Log.d(TAG, "LeAudioProfile found new device: " + nextDevice); |
| } |
| device = mDeviceManager.addDevice(nextDevice); |
| } |
| device.onProfileStateChanged(LeAudioProfile.this, |
| BluetoothProfile.STATE_CONNECTED); |
| device.refresh(); |
| } |
| |
| mProfileManager.callServiceConnectedListeners(); |
| mIsProfileReady = true; |
| } |
| |
| public void onServiceDisconnected(int profile) { |
| if (DEBUG) { |
| Log.d(TAG,"Bluetooth service disconnected"); |
| } |
| mProfileManager.callServiceDisconnectedListeners(); |
| mIsProfileReady = false; |
| } |
| } |
| |
| public boolean isProfileReady() { |
| return mIsProfileReady; |
| } |
| |
| @Override |
| public int getProfileId() { |
| return BluetoothProfile.LE_AUDIO; |
| } |
| |
| LeAudioProfile(Context context, CachedBluetoothDeviceManager deviceManager, |
| LocalBluetoothProfileManager profileManager) { |
| mContext = context; |
| mDeviceManager = deviceManager; |
| mProfileManager = profileManager; |
| |
| mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); |
| mBluetoothAdapter.getProfileProxy( |
| context, new LeAudioServiceListener(), |
| BluetoothProfile.LE_AUDIO); |
| } |
| |
| public boolean accessProfileEnabled() { |
| return true; |
| } |
| |
| public boolean isAutoConnectable() { |
| return true; |
| } |
| |
| public List<BluetoothDevice> getConnectedDevices() { |
| if (mService == null) { |
| return new ArrayList<BluetoothDevice>(0); |
| } |
| return mService.getDevicesMatchingConnectionStates( |
| new int[] {BluetoothProfile.STATE_CONNECTED, |
| BluetoothProfile.STATE_CONNECTING, |
| BluetoothProfile.STATE_DISCONNECTING}); |
| } |
| |
| /* |
| * @hide |
| */ |
| public boolean connect(BluetoothDevice device) { |
| if (mService == null) { |
| return false; |
| } |
| return mService.setConnectionPolicy(device, BluetoothProfile.CONNECTION_POLICY_ALLOWED); |
| } |
| |
| /* |
| * @hide |
| */ |
| public boolean disconnect(BluetoothDevice device) { |
| if (mService == null) { |
| return false; |
| } |
| return mService.setConnectionPolicy(device, BluetoothProfile.CONNECTION_POLICY_FORBIDDEN); |
| } |
| |
| public int getConnectionStatus(BluetoothDevice device) { |
| if (mService == null) { |
| return BluetoothProfile.STATE_DISCONNECTED; |
| } |
| return mService.getConnectionState(device); |
| } |
| |
| public boolean setActiveDevice(BluetoothDevice device) { |
| if (mBluetoothAdapter == null) { |
| return false; |
| } |
| return device == null |
| ? mBluetoothAdapter.removeActiveDevice(ACTIVE_DEVICE_ALL) |
| : mBluetoothAdapter.setActiveDevice(device, ACTIVE_DEVICE_ALL); |
| } |
| |
| public List<BluetoothDevice> getActiveDevices() { |
| if (mBluetoothAdapter == null) { |
| return new ArrayList<>(); |
| } |
| return mBluetoothAdapter.getActiveDevices(BluetoothProfile.LE_AUDIO); |
| } |
| |
| /** |
| * Get Lead device for the group. |
| * |
| * Lead device is the device that can be used as an active device in the system. |
| * Active devices points to the Audio Device for the Le Audio group. |
| * This method returns the Lead devices for the connected LE Audio |
| * group and this device should be used in the setActiveDevice() method by other parts |
| * of the system, which wants to set to active a particular Le Audio group. |
| * |
| * Note: getActiveDevice() returns the Lead device for the currently active LE Audio group. |
| * Note: When Lead device gets disconnected while Le Audio group is active and has more devices |
| * in the group, then Lead device will not change. If Lead device gets disconnected, for the |
| * Le Audio group which is not active, a new Lead device will be chosen |
| * |
| * @param groupId The group id. |
| * @return group lead device. |
| * |
| * @hide |
| */ |
| @RequiresApi(Build.VERSION_CODES.TIRAMISU) |
| public @Nullable BluetoothDevice getConnectedGroupLeadDevice(int groupId) { |
| if (DEBUG) { |
| Log.d(TAG,"getConnectedGroupLeadDevice"); |
| } |
| if (mService == null) { |
| Log.e(TAG,"No service."); |
| return null; |
| } |
| return mService.getConnectedGroupLeadDevice(groupId); |
| } |
| |
| @Override |
| public boolean isEnabled(BluetoothDevice device) { |
| if (mService == null || device == null) { |
| return false; |
| } |
| return mService.getConnectionPolicy(device) > CONNECTION_POLICY_FORBIDDEN; |
| } |
| |
| @Override |
| public int getConnectionPolicy(BluetoothDevice device) { |
| if (mService == null || device == null) { |
| return CONNECTION_POLICY_FORBIDDEN; |
| } |
| return mService.getConnectionPolicy(device); |
| } |
| |
| @Override |
| public boolean setEnabled(BluetoothDevice device, boolean enabled) { |
| boolean isEnabled = false; |
| if (mService == null || device == null) { |
| return false; |
| } |
| if (enabled) { |
| if (mService.getConnectionPolicy(device) < CONNECTION_POLICY_ALLOWED) { |
| isEnabled = mService.setConnectionPolicy(device, CONNECTION_POLICY_ALLOWED); |
| } |
| } else { |
| isEnabled = mService.setConnectionPolicy(device, CONNECTION_POLICY_FORBIDDEN); |
| } |
| |
| return isEnabled; |
| } |
| |
| public String toString() { |
| return NAME; |
| } |
| |
| public int getOrdinal() { |
| return ORDINAL; |
| } |
| |
| public int getNameResource(BluetoothDevice device) { |
| return R.string.bluetooth_profile_le_audio; |
| } |
| |
| public int getSummaryResourceForDevice(BluetoothDevice device) { |
| int state = getConnectionStatus(device); |
| switch (state) { |
| case BluetoothProfile.STATE_DISCONNECTED: |
| return R.string.bluetooth_le_audio_profile_summary_use_for; |
| |
| case BluetoothProfile.STATE_CONNECTED: |
| return R.string.bluetooth_le_audio_profile_summary_connected; |
| |
| default: |
| return BluetoothUtils.getConnectionStateSummary(state); |
| } |
| } |
| |
| public int getDrawableResource(BluetoothClass btClass) { |
| if (btClass == null) { |
| Log.e(TAG, "No btClass."); |
| return R.drawable.ic_bt_le_audio_speakers; |
| } |
| switch (btClass.getDeviceClass()) { |
| case BluetoothClass.Device.AUDIO_VIDEO_UNCATEGORIZED: |
| case BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET: |
| case BluetoothClass.Device.AUDIO_VIDEO_MICROPHONE: |
| case BluetoothClass.Device.AUDIO_VIDEO_HEADPHONES: |
| return R.drawable.ic_bt_le_audio; |
| default: |
| return R.drawable.ic_bt_le_audio_speakers; |
| } |
| } |
| |
| public int getAudioLocation(BluetoothDevice device) { |
| if (mService == null || device == null) { |
| return BluetoothLeAudio.AUDIO_LOCATION_INVALID; |
| } |
| return mService.getAudioLocation(device); |
| } |
| |
| @RequiresApi(Build.VERSION_CODES.S) |
| protected void finalize() { |
| if (DEBUG) { |
| Log.d(TAG, "finalize()"); |
| } |
| if (mService != null) { |
| try { |
| BluetoothAdapter.getDefaultAdapter().closeProfileProxy(BluetoothProfile.LE_AUDIO, |
| mService); |
| mService = null; |
| }catch (Throwable t) { |
| Log.w(TAG, "Error cleaning up LeAudio proxy", t); |
| } |
| } |
| } |
| } |