| /* |
| * Copyright 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.uwb; |
| import android.annotation.NonNull; |
| import android.os.Binder; |
| import android.os.RemoteException; |
| import android.util.Log; |
| import android.uwb.UwbManager.UwbVendorUciCallback; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.Executor; |
| |
| /** |
| * @hide |
| */ |
| public final class UwbVendorUciCallbackListener extends IUwbVendorUciCallback.Stub{ |
| private static final String TAG = "Uwb.UwbVendorUciCallbacks"; |
| private final IUwbAdapter mAdapter; |
| private boolean mIsRegistered = false; |
| private final Map<UwbVendorUciCallback, Executor> mCallbackMap = new HashMap<>(); |
| |
| public UwbVendorUciCallbackListener(@NonNull IUwbAdapter adapter) { |
| mAdapter = adapter; |
| } |
| |
| public void register(@NonNull Executor executor, @NonNull UwbVendorUciCallback callback) { |
| synchronized (this) { |
| if (mCallbackMap.containsKey(callback)) { |
| return; |
| } |
| mCallbackMap.put(callback, executor); |
| if (!mIsRegistered) { |
| try { |
| mAdapter.registerVendorExtensionCallback(this); |
| mIsRegistered = true; |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to register adapter state callback"); |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| } |
| public void unregister(@NonNull UwbVendorUciCallback callback) { |
| synchronized (this) { |
| if (!mCallbackMap.containsKey(callback)) { |
| return; |
| } |
| mCallbackMap.remove(callback); |
| if (mCallbackMap.isEmpty() && mIsRegistered) { |
| try { |
| mAdapter.unregisterVendorExtensionCallback(this); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Failed to unregister AdapterStateCallback with service"); |
| throw e.rethrowFromSystemServer(); |
| } |
| mIsRegistered = false; |
| } |
| } |
| } |
| |
| @Override |
| public void onVendorResponseReceived(int gid, int oid, @NonNull byte[] payload) |
| throws RemoteException { |
| synchronized (this) { |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| for (UwbVendorUciCallback callback : mCallbackMap.keySet()) { |
| Executor executor = mCallbackMap.get(callback); |
| executor.execute(() -> callback.onVendorUciResponse(gid, oid, payload)); |
| } |
| } catch (RuntimeException ex) { |
| throw ex; |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| } |
| |
| @Override |
| public void onVendorNotificationReceived(int gid, int oid, @NonNull byte[] payload) |
| throws RemoteException { |
| synchronized (this) { |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| for (UwbVendorUciCallback callback : mCallbackMap.keySet()) { |
| Executor executor = mCallbackMap.get(callback); |
| executor.execute(() -> callback.onVendorUciNotification(gid, oid, payload)); |
| } |
| } catch (RuntimeException ex) { |
| throw ex; |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| } |
| } |