| /* |
| * 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 android.bluetooth; |
| |
| import static android.bluetooth.BluetoothUtils.getSyncTimeout; |
| |
| import android.annotation.CallbackExecutor; |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.RequiresPermission; |
| import android.annotation.SdkConstant; |
| import android.annotation.SuppressLint; |
| import android.annotation.SystemApi; |
| import android.bluetooth.annotations.RequiresBluetoothConnectPermission; |
| import android.content.AttributionSource; |
| import android.content.Context; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.util.CloseGuard; |
| import android.util.Log; |
| |
| import com.android.modules.utils.SynchronousResultReceiver; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.TimeoutException; |
| |
| |
| /** |
| * This class provides a public APIs to control the Bluetooth Hearing Access Profile client service. |
| * |
| * <p>BluetoothHapClient is a proxy object for controlling the Bluetooth HAP |
| * Service client via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get the |
| * BluetoothHapClient proxy object. |
| * @hide |
| */ |
| @SystemApi |
| public final class BluetoothHapClient implements BluetoothProfile, AutoCloseable { |
| private static final String TAG = "BluetoothHapClient"; |
| private static final boolean DBG = false; |
| private static final boolean VDBG = false; |
| |
| private final Map<Callback, Executor> mCallbackExecutorMap = new HashMap<>(); |
| |
| private CloseGuard mCloseGuard; |
| |
| /** |
| * This class provides callbacks mechanism for the BluetoothHapClient profile. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public interface Callback { |
| /** @hide */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(value = { |
| // needed for future release compatibility |
| BluetoothStatusCodes.ERROR_UNKNOWN, |
| BluetoothStatusCodes.REASON_LOCAL_APP_REQUEST, |
| BluetoothStatusCodes.REASON_LOCAL_STACK_REQUEST, |
| BluetoothStatusCodes.REASON_REMOTE_REQUEST, |
| BluetoothStatusCodes.REASON_SYSTEM_POLICY, |
| }) |
| @interface PresetSelectionReason {} |
| |
| /** |
| * Invoked to inform about HA device's currently active preset. |
| * |
| * @param device remote device, |
| * @param presetIndex the currently active preset index. |
| * @param reason reason for the selected preset change |
| * |
| * @hide |
| */ |
| @SystemApi |
| void onPresetSelected(@NonNull BluetoothDevice device, int presetIndex, |
| @PresetSelectionReason int reason); |
| |
| /** @hide */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(value = { |
| // needed for future release compatibility |
| BluetoothStatusCodes.ERROR_UNKNOWN, |
| BluetoothStatusCodes.REASON_LOCAL_STACK_REQUEST, |
| BluetoothStatusCodes.REASON_SYSTEM_POLICY, |
| BluetoothStatusCodes.ERROR_REMOTE_OPERATION_REJECTED, |
| BluetoothStatusCodes.ERROR_REMOTE_OPERATION_NOT_SUPPORTED, |
| BluetoothStatusCodes.ERROR_HAP_INVALID_PRESET_INDEX, |
| }) |
| @interface PresetSelectionFailureReason {} |
| |
| /** |
| * Invoked inform about the result of a failed preset change attempt. |
| * |
| * @param device remote device, |
| * @param reason failure reason. |
| * |
| * @hide |
| */ |
| @SystemApi |
| void onPresetSelectionFailed(@NonNull BluetoothDevice device, |
| @PresetSelectionFailureReason int reason); |
| |
| /** @hide */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(value = { |
| // needed for future release compatibility |
| BluetoothStatusCodes.ERROR_UNKNOWN, |
| BluetoothStatusCodes.REASON_LOCAL_STACK_REQUEST, |
| BluetoothStatusCodes.REASON_SYSTEM_POLICY, |
| BluetoothStatusCodes.ERROR_REMOTE_OPERATION_REJECTED, |
| BluetoothStatusCodes.ERROR_REMOTE_OPERATION_NOT_SUPPORTED, |
| BluetoothStatusCodes.ERROR_HAP_INVALID_PRESET_INDEX, |
| BluetoothStatusCodes.ERROR_CSIP_INVALID_GROUP_ID, |
| }) |
| @interface GroupPresetSelectionFailureReason {} |
| |
| /** |
| * Invoked to inform about the result of a failed preset change attempt. |
| * |
| * The implementation will try to restore the state for every device back to original |
| * |
| * @param hapGroupId valid HAP group ID, |
| * @param reason failure reason. |
| * |
| * @hide |
| */ |
| @SystemApi |
| void onPresetSelectionForGroupFailed(int hapGroupId, |
| @GroupPresetSelectionFailureReason int reason); |
| |
| /** @hide */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(value = { |
| // needed for future release compatibility |
| BluetoothStatusCodes.ERROR_UNKNOWN, |
| BluetoothStatusCodes.REASON_LOCAL_APP_REQUEST, |
| BluetoothStatusCodes.REASON_LOCAL_STACK_REQUEST, |
| BluetoothStatusCodes.REASON_REMOTE_REQUEST, |
| BluetoothStatusCodes.REASON_SYSTEM_POLICY, |
| }) |
| @interface PresetInfoChangeReason {} |
| |
| /** |
| * Invoked to inform about the preset list changes. |
| * |
| * @param device remote device, |
| * @param presetInfoList a list of all preset information on the target device |
| * @param reason reason for the preset list change |
| * |
| * @hide |
| */ |
| @SystemApi |
| void onPresetInfoChanged(@NonNull BluetoothDevice device, |
| @NonNull List<BluetoothHapPresetInfo> presetInfoList, |
| @PresetInfoChangeReason int reason); |
| |
| /** @hide */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(value = { |
| // needed for future release compatibility |
| BluetoothStatusCodes.ERROR_UNKNOWN, |
| BluetoothStatusCodes.REASON_LOCAL_STACK_REQUEST, |
| BluetoothStatusCodes.REASON_SYSTEM_POLICY, |
| BluetoothStatusCodes.ERROR_REMOTE_OPERATION_REJECTED, |
| BluetoothStatusCodes.ERROR_REMOTE_OPERATION_NOT_SUPPORTED, |
| BluetoothStatusCodes.ERROR_HAP_PRESET_NAME_TOO_LONG, |
| BluetoothStatusCodes.ERROR_HAP_INVALID_PRESET_INDEX, |
| }) |
| @interface PresetNameChangeFailureReason {} |
| |
| /** |
| * Invoked to inform about the failed preset rename attempt. |
| * |
| * @param device remote device |
| * @param reason Failure reason code. |
| * @hide |
| */ |
| @SystemApi |
| void onSetPresetNameFailed(@NonNull BluetoothDevice device, |
| @PresetNameChangeFailureReason int reason); |
| |
| /** @hide */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(value = { |
| // needed for future release compatibility |
| BluetoothStatusCodes.ERROR_UNKNOWN, |
| BluetoothStatusCodes.REASON_LOCAL_STACK_REQUEST, |
| BluetoothStatusCodes.REASON_SYSTEM_POLICY, |
| BluetoothStatusCodes.ERROR_REMOTE_OPERATION_REJECTED, |
| BluetoothStatusCodes.ERROR_REMOTE_OPERATION_NOT_SUPPORTED, |
| BluetoothStatusCodes.ERROR_HAP_PRESET_NAME_TOO_LONG, |
| BluetoothStatusCodes.ERROR_HAP_INVALID_PRESET_INDEX, |
| BluetoothStatusCodes.ERROR_CSIP_INVALID_GROUP_ID, |
| }) |
| @interface GroupPresetNameChangeFailureReason {} |
| |
| /** |
| * Invoked to inform about the failed preset rename attempt. |
| * |
| * The implementation will try to restore the state for every device back to original |
| * |
| * @param hapGroupId valid HAP group ID, |
| * @param reason Failure reason code. |
| * @hide |
| */ |
| @SystemApi |
| void onSetPresetNameForGroupFailed(int hapGroupId, |
| @GroupPresetNameChangeFailureReason int reason); |
| } |
| |
| @SuppressLint("AndroidFrameworkBluetoothPermission") |
| private final IBluetoothHapClientCallback mCallback = new IBluetoothHapClientCallback.Stub() { |
| @Override |
| public void onPresetSelected(@NonNull BluetoothDevice device, int presetIndex, |
| int reasonCode) { |
| Attributable.setAttributionSource(device, mAttributionSource); |
| for (Map.Entry<BluetoothHapClient.Callback, Executor> callbackExecutorEntry: |
| mCallbackExecutorMap.entrySet()) { |
| BluetoothHapClient.Callback callback = callbackExecutorEntry.getKey(); |
| Executor executor = callbackExecutorEntry.getValue(); |
| executor.execute(() -> callback.onPresetSelected(device, presetIndex, reasonCode)); |
| } |
| } |
| |
| @Override |
| public void onPresetSelectionFailed(@NonNull BluetoothDevice device, int status) { |
| Attributable.setAttributionSource(device, mAttributionSource); |
| for (Map.Entry<BluetoothHapClient.Callback, Executor> callbackExecutorEntry: |
| mCallbackExecutorMap.entrySet()) { |
| BluetoothHapClient.Callback callback = callbackExecutorEntry.getKey(); |
| Executor executor = callbackExecutorEntry.getValue(); |
| executor.execute(() -> callback.onPresetSelectionFailed(device, status)); |
| } |
| } |
| |
| @Override |
| public void onPresetSelectionForGroupFailed(int hapGroupId, int statusCode) { |
| for (Map.Entry<BluetoothHapClient.Callback, Executor> callbackExecutorEntry: |
| mCallbackExecutorMap.entrySet()) { |
| BluetoothHapClient.Callback callback = callbackExecutorEntry.getKey(); |
| Executor executor = callbackExecutorEntry.getValue(); |
| executor.execute( |
| () -> callback.onPresetSelectionForGroupFailed(hapGroupId, statusCode)); |
| } |
| } |
| |
| @Override |
| public void onPresetInfoChanged(@NonNull BluetoothDevice device, |
| @NonNull List<BluetoothHapPresetInfo> presetInfoList, int statusCode) { |
| Attributable.setAttributionSource(device, mAttributionSource); |
| for (Map.Entry<BluetoothHapClient.Callback, Executor> callbackExecutorEntry: |
| mCallbackExecutorMap.entrySet()) { |
| BluetoothHapClient.Callback callback = callbackExecutorEntry.getKey(); |
| Executor executor = callbackExecutorEntry.getValue(); |
| executor.execute( |
| () -> callback.onPresetInfoChanged(device, presetInfoList, statusCode)); |
| } |
| } |
| |
| @Override |
| public void onSetPresetNameFailed(@NonNull BluetoothDevice device, int status) { |
| Attributable.setAttributionSource(device, mAttributionSource); |
| for (Map.Entry<BluetoothHapClient.Callback, Executor> callbackExecutorEntry: |
| mCallbackExecutorMap.entrySet()) { |
| BluetoothHapClient.Callback callback = callbackExecutorEntry.getKey(); |
| Executor executor = callbackExecutorEntry.getValue(); |
| executor.execute(() -> callback.onSetPresetNameFailed(device, status)); |
| } |
| } |
| |
| @Override |
| public void onSetPresetNameForGroupFailed(int hapGroupId, int status) { |
| for (Map.Entry<BluetoothHapClient.Callback, Executor> callbackExecutorEntry: |
| mCallbackExecutorMap.entrySet()) { |
| BluetoothHapClient.Callback callback = callbackExecutorEntry.getKey(); |
| Executor executor = callbackExecutorEntry.getValue(); |
| executor.execute(() -> callback.onSetPresetNameForGroupFailed(hapGroupId, status)); |
| } |
| } |
| }; |
| |
| /** |
| * Intent used to broadcast the change in connection state of the Hearing Access Profile Client |
| * service. Please note that in the binaural case, there will be two different LE devices for |
| * the left and right side and each device will have their own connection state changes. |
| * |
| * <p>This intent will have 3 extras: |
| * <ul> |
| * <li> {@link #EXTRA_STATE} - The current state of the profile. </li> |
| * <li> {@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile.</li> |
| * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li> |
| * </ul> |
| * |
| * <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of |
| * {@link #STATE_DISCONNECTED}, {@link #STATE_CONNECTING}, |
| * {@link #STATE_CONNECTED}, {@link #STATE_DISCONNECTING}. |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| @SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_HAP_CONNECTION_STATE_CHANGED = |
| "android.bluetooth.action.HAP_CONNECTION_STATE_CHANGED"; |
| |
| /** |
| * Intent used to broadcast the device availability change and the availability of its |
| * presets. Please note that in the binaural case, there will be two different LE devices for |
| * the left and right side and each device will have their own availability event. |
| * |
| * <p>This intent will have 2 extras: |
| * <ul> |
| * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li> |
| * <li> {@link #EXTRA_HAP_FEATURES} - Supported features map. </li> |
| * </ul> |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| @SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_HAP_DEVICE_AVAILABLE = |
| "android.bluetooth.action.HAP_DEVICE_AVAILABLE"; |
| |
| /** |
| * Contains a list of all available presets |
| * @hide |
| */ |
| public static final String EXTRA_HAP_FEATURES = "android.bluetooth.extra.HAP_FEATURES"; |
| |
| /** |
| * Represents an invalid index value. This is usually value returned in a currently |
| * active preset request for a device which is not connected. This value shouldn't be used |
| * in the API calls. |
| * @hide |
| */ |
| public static final int PRESET_INDEX_UNAVAILABLE = IBluetoothHapClient.PRESET_INDEX_UNAVAILABLE; |
| |
| /** |
| * Hearing aid type value. Indicates this Bluetooth device is belongs to a binaural hearing aid |
| * set. A binaural hearing aid set is two hearing aids that form a Coordinated Set, one for the |
| * right ear and one for the left ear of the user. Typically used by a user with bilateral |
| * hearing loss. |
| * @hide |
| */ |
| @SystemApi |
| public static final int TYPE_BINAURAL = 0b00; |
| |
| /** |
| * Hearing aid type value. Indicates this Bluetooth device is a single hearing aid for the left |
| * or the right ear. Typically used by a user with unilateral hearing loss. |
| * @hide |
| */ |
| @SystemApi |
| public static final int TYPE_MONAURAL = 0b01; |
| |
| /** |
| * Hearing aid type value. Indicates this Bluetooth device is two hearing aids with a connection |
| * to one another that expose a single Bluetooth radio interface. |
| * @hide |
| */ |
| @SystemApi |
| public static final int TYPE_BANDED = 0b10; |
| |
| /** |
| * Hearing aid type value. This value is reserved for future use. |
| * @hide |
| */ |
| @SystemApi |
| public static final int TYPE_RFU = 0b11; |
| |
| /** |
| * @hide |
| */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef( |
| flag = true, |
| value = { |
| TYPE_BINAURAL, |
| TYPE_MONAURAL, |
| TYPE_BANDED, |
| TYPE_RFU, |
| }) |
| @interface HearingAidType {} |
| |
| /** |
| * Feature mask value. |
| * @hide |
| */ |
| public static final int FEATURE_HEARING_AID_TYPE_MASK = 0b11; |
| |
| /** |
| * Feature mask value. |
| * @hide |
| */ |
| public static final int FEATURE_SYNCHRONIZATED_PRESETS_MASK = |
| 1 << IBluetoothHapClient.FEATURE_BIT_NUM_SYNCHRONIZATED_PRESETS; |
| |
| /** |
| * Feature mask value. |
| * @hide |
| */ |
| public static final int FEATURE_INDEPENDENT_PRESETS_MASK = |
| 1 << IBluetoothHapClient.FEATURE_BIT_NUM_INDEPENDENT_PRESETS; |
| |
| /** |
| * Feature mask value. |
| * @hide |
| */ |
| public static final int FEATURE_DYNAMIC_PRESETS_MASK = |
| 1 << IBluetoothHapClient.FEATURE_BIT_NUM_DYNAMIC_PRESETS; |
| |
| /** |
| * Feature mask value. |
| * @hide |
| */ |
| public static final int FEATURE_WRITABLE_PRESETS_MASK = |
| 1 << IBluetoothHapClient.FEATURE_BIT_NUM_WRITABLE_PRESETS; |
| |
| /** |
| * @hide |
| */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef( |
| flag = true, |
| value = { |
| FEATURE_HEARING_AID_TYPE_MASK, |
| FEATURE_SYNCHRONIZATED_PRESETS_MASK, |
| FEATURE_INDEPENDENT_PRESETS_MASK, |
| FEATURE_DYNAMIC_PRESETS_MASK, |
| FEATURE_WRITABLE_PRESETS_MASK, |
| }) |
| @interface FeatureMask {} |
| |
| private final BluetoothAdapter mAdapter; |
| private final AttributionSource mAttributionSource; |
| private final BluetoothProfileConnector<IBluetoothHapClient> mProfileConnector = |
| new BluetoothProfileConnector(this, BluetoothProfile.HAP_CLIENT, "BluetoothHapClient", |
| IBluetoothHapClient.class.getName()) { |
| @Override |
| public IBluetoothHapClient getServiceInterface(IBinder service) { |
| return IBluetoothHapClient.Stub.asInterface(service); |
| } |
| }; |
| |
| @SuppressLint("AndroidFrameworkBluetoothPermission") |
| private final IBluetoothStateChangeCallback mBluetoothStateChangeCallback = |
| new IBluetoothStateChangeCallback.Stub() { |
| public void onBluetoothStateChange(boolean up) { |
| if (DBG) Log.d(TAG, "onBluetoothStateChange: up=" + up); |
| if (up) { |
| // re-register the service-to-app callback |
| synchronized (mCallbackExecutorMap) { |
| if (mCallbackExecutorMap.isEmpty()) return; |
| |
| try { |
| final IBluetoothHapClient service = getService(); |
| if (service != null) { |
| final SynchronousResultReceiver<Integer> recv = |
| SynchronousResultReceiver.get(); |
| service.registerCallback(mCallback, mAttributionSource, recv); |
| recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(null); |
| } |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" |
| + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| } |
| }; |
| |
| /** |
| * Create a BluetoothHapClient proxy object for interacting with the local |
| * Bluetooth Hearing Access Profile (HAP) client. |
| */ |
| /*package*/ BluetoothHapClient(Context context, ServiceListener listener) { |
| mAdapter = BluetoothAdapter.getDefaultAdapter(); |
| mAttributionSource = mAdapter.getAttributionSource(); |
| mProfileConnector.connect(context, listener); |
| |
| IBluetoothManager mgr = mAdapter.getBluetoothManager(); |
| if (mgr != null) { |
| try { |
| mgr.registerStateChangeCallback(mBluetoothStateChangeCallback); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| mCloseGuard = new CloseGuard(); |
| mCloseGuard.open("close"); |
| } |
| |
| /** |
| * @hide |
| */ |
| protected void finalize() { |
| if (mCloseGuard != null) { |
| mCloseGuard.warnIfOpen(); |
| } |
| close(); |
| } |
| |
| /** |
| * @hide |
| */ |
| public void close() { |
| if (VDBG) log("close()"); |
| |
| IBluetoothManager mgr = mAdapter.getBluetoothManager(); |
| if (mgr != null) { |
| try { |
| mgr.unregisterStateChangeCallback(mBluetoothStateChangeCallback); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } |
| } |
| |
| mProfileConnector.disconnect(); |
| } |
| |
| private IBluetoothHapClient getService() { |
| return mProfileConnector.getService(); |
| } |
| |
| /** |
| * Register a {@link Callback} that will be invoked during the |
| * operation of this profile. |
| * |
| * Repeated registration of the same <var>callback</var> object after the first call to this |
| * method will result with IllegalArgumentException being thrown, even when the |
| * <var>executor</var> is different. API caller would have to call |
| * {@link #unregisterCallback(Callback)} with the same callback object before registering it |
| * again. |
| * |
| * @param executor an {@link Executor} to execute given callback |
| * @param callback user implementation of the {@link Callback} |
| * @throws NullPointerException if a null executor, or callback is given, or |
| * IllegalArgumentException if the same <var>callback<var> is already registered. |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public void registerCallback(@NonNull @CallbackExecutor Executor executor, |
| @NonNull Callback callback) { |
| Objects.requireNonNull(executor, "executor cannot be null"); |
| Objects.requireNonNull(callback, "callback cannot be null"); |
| |
| if (DBG) log("registerCallback"); |
| |
| synchronized (mCallbackExecutorMap) { |
| // If the callback map is empty, we register the service-to-app callback |
| if (mCallbackExecutorMap.isEmpty()) { |
| if (!isEnabled()) { |
| /* If Bluetooth is off, just store callback and it will be registered |
| * when Bluetooth is on |
| */ |
| mCallbackExecutorMap.put(callback, executor); |
| return; |
| } |
| try { |
| final IBluetoothHapClient service = getService(); |
| if (service != null) { |
| final SynchronousResultReceiver<Integer> recv = |
| SynchronousResultReceiver.get(); |
| service.registerCallback(mCallback, mAttributionSource, recv); |
| recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(null); |
| } |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| // Adds the passed in callback to our map of callbacks to executors |
| if (mCallbackExecutorMap.containsKey(callback)) { |
| throw new IllegalArgumentException("This callback has already been registered"); |
| } |
| mCallbackExecutorMap.put(callback, executor); |
| } |
| } |
| |
| /** |
| * Unregister the specified {@link Callback}. |
| * <p>The same {@link Callback} object used when calling |
| * {@link #registerCallback(Executor, Callback)} must be used. |
| * |
| * <p>Callbacks are automatically unregistered when application process goes away |
| * |
| * @param callback user implementation of the {@link Callback} |
| * @throws NullPointerException when callback is null or IllegalArgumentException when no |
| * callback is registered |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public void unregisterCallback(@NonNull Callback callback) { |
| Objects.requireNonNull(callback, "callback cannot be null"); |
| |
| if (DBG) log("unregisterCallback"); |
| |
| synchronized (mCallbackExecutorMap) { |
| if (mCallbackExecutorMap.remove(callback) == null) { |
| throw new IllegalArgumentException("This callback has not been registered"); |
| } |
| } |
| |
| // If the callback map is empty, we unregister the service-to-app callback |
| if (mCallbackExecutorMap.isEmpty()) { |
| try { |
| final IBluetoothHapClient service = getService(); |
| if (service != null) { |
| final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get(); |
| service.unregisterCallback(mCallback, mAttributionSource, recv); |
| recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(null); |
| } |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** |
| * 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 {@code true} if connectionPolicy is set, {@code false} on error |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public boolean setConnectionPolicy(@NonNull BluetoothDevice device, |
| @ConnectionPolicy int connectionPolicy) { |
| if (DBG) log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")"); |
| Objects.requireNonNull(device, "BluetoothDevice cannot be null"); |
| final IBluetoothHapClient service = getService(); |
| final boolean defaultValue = false; |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (mAdapter.isEnabled() && isValidDevice(device) |
| && (connectionPolicy == BluetoothProfile.CONNECTION_POLICY_FORBIDDEN |
| || connectionPolicy == BluetoothProfile.CONNECTION_POLICY_ALLOWED)) { |
| try { |
| final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get(); |
| service.setConnectionPolicy(device, connectionPolicy, mAttributionSource, recv); |
| return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| return defaultValue; |
| } |
| |
| /** |
| * 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 or {@link #CONNECTION_POLICY_FORBIDDEN} if device is |
| * null |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public @ConnectionPolicy int getConnectionPolicy(@Nullable BluetoothDevice device) { |
| if (VDBG) log("getConnectionPolicy(" + device + ")"); |
| final IBluetoothHapClient service = getService(); |
| final int defaultValue = BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (mAdapter.isEnabled() && isValidDevice(device)) { |
| try { |
| final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get(); |
| service.getConnectionPolicy(device, mAttributionSource, recv); |
| return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| return defaultValue; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| @Override |
| public @NonNull List<BluetoothDevice> getConnectedDevices() { |
| if (VDBG) Log.d(TAG, "getConnectedDevices()"); |
| final IBluetoothHapClient service = getService(); |
| final List defaultValue = new ArrayList<BluetoothDevice>(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled()) { |
| try { |
| final SynchronousResultReceiver<List> recv = SynchronousResultReceiver.get(); |
| service.getConnectedDevices(mAttributionSource, recv); |
| return Attributable.setAttributionSource( |
| recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue), |
| mAttributionSource); |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| return defaultValue; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| @Override |
| @NonNull |
| public List<BluetoothDevice> getDevicesMatchingConnectionStates(@NonNull int[] states) { |
| if (VDBG) Log.d(TAG, "getDevicesMatchingConnectionStates()"); |
| final IBluetoothHapClient service = getService(); |
| final List defaultValue = new ArrayList<BluetoothDevice>(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled()) { |
| try { |
| final SynchronousResultReceiver<List> recv = SynchronousResultReceiver.get(); |
| service.getDevicesMatchingConnectionStates(states, mAttributionSource, recv); |
| return Attributable.setAttributionSource( |
| recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue), |
| mAttributionSource); |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| return defaultValue; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| @Override |
| @BluetoothProfile.BtProfileState |
| public int getConnectionState(@NonNull BluetoothDevice device) { |
| if (VDBG) Log.d(TAG, "getConnectionState(" + device + ")"); |
| final IBluetoothHapClient service = getService(); |
| final int defaultValue = BluetoothProfile.STATE_DISCONNECTED; |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get(); |
| service.getConnectionState(device, mAttributionSource, recv); |
| return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| return defaultValue; |
| } |
| |
| /** |
| * Gets the group identifier, which can be used in the group related part of |
| * the API. |
| * |
| * <p>Users are expected to get group identifier for each of the connected |
| * device to discover the device grouping. This allows them to make an informed |
| * decision which devices can be controlled by single group API call and which |
| * require individual device calls. |
| * |
| * <p>Note that some binaural HA devices may not support group operations, |
| * therefore are not considered a valid HAP group. In such case -1 is returned |
| * even if such device is a valid Le Audio Coordinated Set member. |
| * |
| * @param device |
| * @return valid group identifier or -1 |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public int getHapGroup(@NonNull BluetoothDevice device) { |
| final IBluetoothHapClient service = getService(); |
| final int defaultValue = BluetoothCsipSetCoordinator.GROUP_ID_INVALID; |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get(); |
| service.getHapGroup(device, mAttributionSource, recv); |
| return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| return defaultValue; |
| } |
| |
| /** |
| * Gets the currently active preset for a HA device. |
| * |
| * @param device is the device for which we want to set the active preset |
| * @return active preset index |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public int getActivePresetIndex(@NonNull BluetoothDevice device) { |
| final IBluetoothHapClient service = getService(); |
| final int defaultValue = PRESET_INDEX_UNAVAILABLE; |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get(); |
| service.getActivePresetIndex(device, mAttributionSource, recv); |
| return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| return defaultValue; |
| } |
| |
| /** |
| * Get the currently active preset info for a remote device. |
| * |
| * @param device is the device for which we want to get the preset name |
| * @return currently active preset info if selected, null if preset info is not available |
| * for the remote device |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public @Nullable BluetoothHapPresetInfo getActivePresetInfo(@NonNull BluetoothDevice device) { |
| final IBluetoothHapClient service = getService(); |
| final BluetoothHapPresetInfo defaultValue = null; |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| final SynchronousResultReceiver<BluetoothHapPresetInfo> recv = |
| SynchronousResultReceiver.get(); |
| service.getActivePresetInfo(device, mAttributionSource, recv); |
| recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| return defaultValue; |
| } |
| |
| /** |
| * Selects the currently active preset for a HA device |
| * |
| * On success, {@link Callback#onPresetSelected(BluetoothDevice, int, int)} will be called with |
| * reason code {@link BluetoothStatusCodes#REASON_LOCAL_APP_REQUEST} |
| * On failure, {@link Callback#onPresetSelectionFailed(BluetoothDevice, int)} will be called. |
| * |
| * @param device is the device for which we want to set the active preset |
| * @param presetIndex is an index of one of the available presets |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public void selectPreset(@NonNull BluetoothDevice device, int presetIndex) { |
| final IBluetoothHapClient 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 { |
| service.selectPreset(device, presetIndex, mAttributionSource); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** |
| * Selects the currently active preset for a Hearing Aid device group. |
| * |
| * <p> This group call may replace multiple device calls if those are part of the |
| * valid HAS group. Note that binaural HA devices may or may not support group. |
| * |
| * On success, {@link Callback#onPresetSelected(BluetoothDevice, int, int)} will be called |
| * for each device within the group with reason code |
| * {@link BluetoothStatusCodes#REASON_LOCAL_APP_REQUEST} |
| * On failure, {@link Callback#onPresetSelectionForGroupFailed(int, int)} will be |
| * called for the group. |
| * |
| * @param groupId is the device group identifier for which want to set the active preset |
| * @param presetIndex is an index of one of the available presets |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public void selectPresetForGroup(int groupId, int presetIndex) { |
| final IBluetoothHapClient service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled()) { |
| try { |
| service.selectPresetForGroup(groupId, presetIndex, mAttributionSource); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** |
| * Sets the next preset as a currently active preset for a HA device |
| * |
| * <p> Note that the meaning of 'next' is HA device implementation specific and |
| * does not necessarily mean a higher preset index. |
| * |
| * @param device is the device for which we want to set the active preset |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public void switchToNextPreset(@NonNull BluetoothDevice device) { |
| final IBluetoothHapClient 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 { |
| service.switchToNextPreset(device, mAttributionSource); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** |
| * Sets the next preset as a currently active preset for a HA device group |
| * |
| * <p> Note that the meaning of 'next' is HA device implementation specific and |
| * does not necessarily mean a higher preset index. |
| * <p> This group call may replace multiple device calls if those are part of the |
| * valid HAS group. Note that binaural HA devices may or may not support group. |
| * |
| * @param groupId is the device group identifier for which want to set the active preset |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public void switchToNextPresetForGroup(int groupId) { |
| final IBluetoothHapClient service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled()) { |
| try { |
| service.switchToNextPresetForGroup(groupId, mAttributionSource); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** |
| * Sets the previous preset as a currently active preset for a HA device. |
| * |
| * <p> Note that the meaning of 'previous' is HA device implementation specific and |
| * does not necessarily mean a lower preset index. |
| * |
| * @param device is the device for which we want to set the active preset |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public void switchToPreviousPreset(@NonNull BluetoothDevice device) { |
| final IBluetoothHapClient 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 { |
| service.switchToPreviousPreset(device, mAttributionSource); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** |
| * Sets the previous preset as a currently active preset for a HA device group |
| * |
| * <p> Note the meaning of 'previous' is HA device implementation specific and |
| * does not necessarily mean a lower preset index. |
| * <p> This group call may replace multiple device calls if those are part of the |
| * valid HAS group. Note that binaural HA devices may or may not support group. |
| * |
| * @param groupId is the device group identifier for which want to set the active preset |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public void switchToPreviousPresetForGroup(int groupId) { |
| final IBluetoothHapClient service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled()) { |
| try { |
| service.switchToPreviousPresetForGroup(groupId, mAttributionSource); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** |
| * Requests the preset info |
| * |
| * @param device is the device for which we want to get the preset name |
| * @param presetIndex is an index of one of the available presets |
| * @return preset info |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| @Nullable |
| public BluetoothHapPresetInfo getPresetInfo(@NonNull BluetoothDevice device, int presetIndex) { |
| final IBluetoothHapClient service = getService(); |
| final BluetoothHapPresetInfo defaultValue = null; |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| final SynchronousResultReceiver<BluetoothHapPresetInfo> recv = |
| SynchronousResultReceiver.get(); |
| service.getPresetInfo(device, presetIndex, mAttributionSource, recv); |
| return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| return defaultValue; |
| } |
| |
| /** |
| * Get all preset info for a particular device |
| * |
| * @param device is the device for which we want to get all presets info |
| * @return a list of all known preset info |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public @NonNull List<BluetoothHapPresetInfo> getAllPresetInfo(@NonNull BluetoothDevice device) { |
| final IBluetoothHapClient service = getService(); |
| final List<BluetoothHapPresetInfo> defaultValue = new ArrayList<BluetoothHapPresetInfo>(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| final SynchronousResultReceiver<List<BluetoothHapPresetInfo>> recv = |
| SynchronousResultReceiver.get(); |
| service.getAllPresetInfo(device, mAttributionSource, recv); |
| return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| return defaultValue; |
| } |
| |
| /** |
| * Requests HAP features |
| * |
| * @param device is the device for which we want to get features for |
| * @return features value with feature bits set |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public int getFeatures(@NonNull BluetoothDevice device) { |
| final IBluetoothHapClient service = getService(); |
| final int defaultValue = 0x00; |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get(); |
| service.getFeatures(device, mAttributionSource, recv); |
| return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue); |
| } catch (TimeoutException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| return defaultValue; |
| } |
| |
| /** |
| * Retrieves hearing aid type from feature value. |
| * |
| * @param device is the device for which we want to get the hearing aid type |
| * @return hearing aid type |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| @HearingAidType |
| public int getHearingAidType(@NonNull BluetoothDevice device) { |
| return getFeatures(device) & FEATURE_HEARING_AID_TYPE_MASK; |
| } |
| |
| /** |
| * Retrieves if this device supports synchronized presets or not from feature value. |
| * |
| * @param device is the device for which we want to know if it supports synchronized presets |
| * @return {@code true} if the device supports synchronized presets, {@code false} otherwise |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public boolean supportsSynchronizedPresets(@NonNull BluetoothDevice device) { |
| return (getFeatures(device) & FEATURE_SYNCHRONIZATED_PRESETS_MASK) |
| == FEATURE_SYNCHRONIZATED_PRESETS_MASK; |
| } |
| |
| /** |
| * Retrieves if this device supports independent presets or not from feature value. |
| * |
| * @param device is the device for which we want to know if it supports independent presets |
| * @return {@code true} if the device supports independent presets, {@code false} otherwise |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public boolean supportsIndependentPresets(@NonNull BluetoothDevice device) { |
| return (getFeatures(device) & FEATURE_INDEPENDENT_PRESETS_MASK) |
| == FEATURE_INDEPENDENT_PRESETS_MASK; |
| } |
| |
| /** |
| * Retrieves if this device supports dynamic presets or not from feature value. |
| * |
| * @param device is the device for which we want to know if it supports dynamic presets |
| * @return {@code true} if the device supports dynamic presets, {@code false} otherwise |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public boolean supportsDynamicPresets(@NonNull BluetoothDevice device) { |
| return (getFeatures(device) & FEATURE_DYNAMIC_PRESETS_MASK) |
| == FEATURE_DYNAMIC_PRESETS_MASK; |
| } |
| |
| /** |
| * Retrieves if this device supports writable presets or not from feature value. |
| * |
| * @param device is the device for which we want to know if it supports writable presets |
| * @return {@code true} if the device supports writable presets, {@code false} otherwise |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public boolean supportsWritablePresets(@NonNull BluetoothDevice device) { |
| return (getFeatures(device) & FEATURE_WRITABLE_PRESETS_MASK) |
| == FEATURE_WRITABLE_PRESETS_MASK; |
| } |
| |
| /** |
| * Sets the preset name for a particular device |
| * |
| * <p> Note that the name length is restricted to 40 characters. |
| * |
| * On success, {@link Callback#onPresetInfoChanged(BluetoothDevice, List, int)} |
| * with a new name will be called and reason code |
| * {@link BluetoothStatusCodes#REASON_LOCAL_APP_REQUEST} |
| * On failure, {@link Callback#onSetPresetNameFailed(BluetoothDevice, int)} will be called. |
| * |
| * @param device is the device for which we want to get the preset name |
| * @param presetIndex is an index of one of the available presets |
| * @param name is a new name for a preset, maximum length is 40 characters |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public void setPresetName(@NonNull BluetoothDevice device, int presetIndex, |
| @NonNull String name) { |
| final IBluetoothHapClient 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 { |
| service.setPresetName(device, presetIndex, name, mAttributionSource); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** |
| * Sets the name for a hearing aid preset. |
| * |
| * <p> Note that the name length is restricted to 40 characters. |
| * |
| * On success, {@link Callback#onPresetInfoChanged(BluetoothDevice, List, int)} |
| * with a new name will be called for each device within the group with reason code |
| * {@link BluetoothStatusCodes#REASON_LOCAL_APP_REQUEST} |
| * On failure, {@link Callback#onSetPresetNameForGroupFailed(int, int)} will be invoked |
| * |
| * @param groupId is the device group identifier |
| * @param presetIndex is an index of one of the available presets |
| * @param name is a new name for a preset, maximum length is 40 characters |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED |
| }) |
| public void setPresetNameForGroup(int groupId, int presetIndex, @NonNull String name) { |
| final IBluetoothHapClient service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled()) { |
| try { |
| service.setPresetNameForGroup(groupId, presetIndex, name, mAttributionSource); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| private boolean isEnabled() { |
| if (mAdapter.getState() == BluetoothAdapter.STATE_ON) return true; |
| return false; |
| } |
| |
| private boolean isValidDevice(BluetoothDevice device) { |
| if (device == null) return false; |
| |
| if (BluetoothAdapter.checkBluetoothAddress(device.getAddress())) return true; |
| return false; |
| } |
| |
| private static void log(String msg) { |
| Log.d(TAG, msg); |
| } |
| } |
