1 /** 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.server.broadcastradio.hal1; 18 19 import android.annotation.NonNull; 20 import android.hardware.radio.ITuner; 21 import android.hardware.radio.ITunerCallback; 22 import android.hardware.radio.RadioManager; 23 24 import com.android.server.broadcastradio.RadioServiceUserController; 25 import com.android.server.utils.Slogf; 26 27 import java.util.List; 28 import java.util.Objects; 29 30 public class BroadcastRadioService { 31 32 private static final String TAG = "BcRadio1Srv"; 33 34 /** 35 * This field is used by native code, do not access or modify. 36 */ 37 private final long mNativeContext = nativeInit(); 38 private final RadioServiceUserController mUserController; 39 40 private final Object mLock = new Object(); 41 42 @Override finalize()43 protected void finalize() throws Throwable { 44 nativeFinalize(mNativeContext); 45 super.finalize(); 46 } 47 nativeInit()48 private native long nativeInit(); nativeFinalize(long nativeContext)49 private native void nativeFinalize(long nativeContext); nativeLoadModules(long nativeContext)50 private native List<RadioManager.ModuleProperties> nativeLoadModules(long nativeContext); nativeOpenTuner(long nativeContext, int moduleId, RadioManager.BandConfig config, boolean withAudio, ITunerCallback callback)51 private native Tuner nativeOpenTuner(long nativeContext, int moduleId, 52 RadioManager.BandConfig config, boolean withAudio, ITunerCallback callback); 53 BroadcastRadioService(RadioServiceUserController userController)54 public BroadcastRadioService(RadioServiceUserController userController) { 55 mUserController = Objects.requireNonNull(userController, "User controller can not be null"); 56 } 57 loadModules()58 public @NonNull List<RadioManager.ModuleProperties> loadModules() { 59 synchronized (mLock) { 60 return Objects.requireNonNull(nativeLoadModules(mNativeContext)); 61 } 62 } 63 openTuner(int moduleId, RadioManager.BandConfig bandConfig, boolean withAudio, ITunerCallback callback)64 public ITuner openTuner(int moduleId, RadioManager.BandConfig bandConfig, 65 boolean withAudio, ITunerCallback callback) { 66 if (!mUserController.isCurrentOrSystemUser()) { 67 Slogf.e(TAG, "Cannot open tuner on HAL 1.x client for non-current user"); 68 throw new IllegalStateException("Cannot open tuner for non-current user"); 69 } 70 synchronized (mLock) { 71 return nativeOpenTuner(mNativeContext, moduleId, bandConfig, withAudio, callback); 72 } 73 } 74 } 75