| /** |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.broadcastradio.hal2; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.hardware.radio.ITuner; |
| import android.hardware.radio.RadioManager; |
| import android.hardware.broadcastradio.V2_0.AmFmRegionConfig; |
| import android.hardware.broadcastradio.V2_0.Announcement; |
| import android.hardware.broadcastradio.V2_0.IAnnouncementListener; |
| import android.hardware.broadcastradio.V2_0.IBroadcastRadio; |
| import android.hardware.broadcastradio.V2_0.ICloseHandle; |
| import android.hardware.broadcastradio.V2_0.ITunerSession; |
| import android.hardware.broadcastradio.V2_0.Result; |
| import android.os.ParcelableException; |
| import android.os.RemoteException; |
| import android.util.MutableInt; |
| import android.util.Slog; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.stream.Collectors; |
| |
| class RadioModule { |
| private static final String TAG = "BcRadio2Srv.module"; |
| |
| @NonNull private final IBroadcastRadio mService; |
| @NonNull public final RadioManager.ModuleProperties mProperties; |
| |
| private RadioModule(@NonNull IBroadcastRadio service, |
| @NonNull RadioManager.ModuleProperties properties) { |
| mProperties = Objects.requireNonNull(properties); |
| mService = Objects.requireNonNull(service); |
| } |
| |
| public static @Nullable RadioModule tryLoadingModule(int idx, @NonNull String fqName) { |
| try { |
| IBroadcastRadio service = IBroadcastRadio.getService(); |
| if (service == null) return null; |
| |
| Mutable<AmFmRegionConfig> amfmConfig = new Mutable<>(); |
| service.getAmFmRegionConfig(false, (int result, AmFmRegionConfig config) -> { |
| if (result == Result.OK) amfmConfig.value = config; |
| }); |
| |
| RadioManager.ModuleProperties prop = |
| Convert.propertiesFromHal(idx, fqName, service.getProperties(), amfmConfig.value); |
| |
| return new RadioModule(service, prop); |
| } catch (RemoteException ex) { |
| Slog.e(TAG, "failed to load module " + fqName, ex); |
| return null; |
| } |
| } |
| |
| public @NonNull TunerSession openSession(@NonNull android.hardware.radio.ITunerCallback userCb) |
| throws RemoteException { |
| TunerCallback cb = new TunerCallback(Objects.requireNonNull(userCb)); |
| Mutable<ITunerSession> hwSession = new Mutable<>(); |
| MutableInt halResult = new MutableInt(Result.UNKNOWN_ERROR); |
| |
| synchronized (mService) { |
| mService.openSession(cb, (result, session) -> { |
| hwSession.value = session; |
| halResult.value = result; |
| }); |
| } |
| |
| Convert.throwOnError("openSession", halResult.value); |
| Objects.requireNonNull(hwSession.value); |
| |
| return new TunerSession(this, hwSession.value, cb); |
| } |
| |
| public android.hardware.radio.ICloseHandle addAnnouncementListener(@NonNull int[] enabledTypes, |
| @NonNull android.hardware.radio.IAnnouncementListener listener) throws RemoteException { |
| ArrayList<Byte> enabledList = new ArrayList<>(); |
| for (int type : enabledTypes) { |
| enabledList.add((byte)type); |
| } |
| |
| MutableInt halResult = new MutableInt(Result.UNKNOWN_ERROR); |
| Mutable<ICloseHandle> hwCloseHandle = new Mutable<>(); |
| IAnnouncementListener hwListener = new IAnnouncementListener.Stub() { |
| public void onListUpdated(ArrayList<Announcement> hwAnnouncements) |
| throws RemoteException { |
| listener.onListUpdated(hwAnnouncements.stream(). |
| map(a -> Convert.announcementFromHal(a)).collect(Collectors.toList())); |
| } |
| }; |
| |
| synchronized (mService) { |
| mService.registerAnnouncementListener(enabledList, hwListener, (result, closeHnd) -> { |
| halResult.value = result; |
| hwCloseHandle.value = closeHnd; |
| }); |
| } |
| Convert.throwOnError("addAnnouncementListener", halResult.value); |
| |
| return new android.hardware.radio.ICloseHandle.Stub() { |
| public void close() { |
| try { |
| hwCloseHandle.value.close(); |
| } catch (RemoteException ex) { |
| Slog.e(TAG, "Failed closing announcement listener", ex); |
| } |
| } |
| }; |
| } |
| |
| Bitmap getImage(int id) { |
| if (id == 0) throw new IllegalArgumentException("Image ID is missing"); |
| |
| byte[] rawImage; |
| synchronized (mService) { |
| List<Byte> rawList = Utils.maybeRethrow(() -> mService.getImage(id)); |
| rawImage = new byte[rawList.size()]; |
| for (int i = 0; i < rawList.size(); i++) { |
| rawImage[i] = rawList.get(i); |
| } |
| } |
| |
| if (rawImage == null || rawImage.length == 0) return null; |
| |
| return BitmapFactory.decodeByteArray(rawImage, 0, rawImage.length); |
| } |
| } |