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      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.hal2;
     18 
     19 import android.annotation.NonNull;
     20 import android.hardware.broadcastradio.V2_0.ITunerCallback;
     21 import android.hardware.broadcastradio.V2_0.ProgramInfo;
     22 import android.hardware.broadcastradio.V2_0.ProgramListChunk;
     23 import android.hardware.broadcastradio.V2_0.ProgramSelector;
     24 import android.hardware.broadcastradio.V2_0.VendorKeyValue;
     25 import android.os.RemoteException;
     26 import android.util.Slog;
     27 
     28 import java.util.ArrayList;
     29 import java.util.Objects;
     30 
     31 class TunerCallback extends ITunerCallback.Stub {
     32     private static final String TAG = "BcRadio2Srv.cb";
     33 
     34     final android.hardware.radio.ITunerCallback mClientCb;
     35 
     36     interface RunnableThrowingRemoteException {
     37         void run() throws RemoteException;
     38     }
     39 
     40     TunerCallback(@NonNull android.hardware.radio.ITunerCallback clientCallback) {
     41         mClientCb = Objects.requireNonNull(clientCallback);
     42     }
     43 
     44     static void dispatch(RunnableThrowingRemoteException func) {
     45         try {
     46             func.run();
     47         } catch (RemoteException ex) {
     48             Slog.e(TAG, "callback call failed", ex);
     49         }
     50     }
     51 
     52     @Override
     53     public void onTuneFailed(int result, ProgramSelector selector) {
     54         dispatch(() -> mClientCb.onTuneFailed(result, Convert.programSelectorFromHal(selector)));
     55     }
     56 
     57     @Override
     58     public void onCurrentProgramInfoChanged(ProgramInfo info) {
     59         dispatch(() -> mClientCb.onCurrentProgramInfoChanged(Convert.programInfoFromHal(info)));
     60     }
     61 
     62     @Override
     63     public void onProgramListUpdated(ProgramListChunk chunk) {
     64         dispatch(() -> mClientCb.onProgramListUpdated(Convert.programListChunkFromHal(chunk)));
     65     }
     66 
     67     @Override
     68     public void onAntennaStateChange(boolean connected) {
     69         dispatch(() -> mClientCb.onAntennaState(connected));
     70     }
     71 
     72     @Override
     73     public void onParametersUpdated(ArrayList<VendorKeyValue> parameters) {
     74         dispatch(() -> mClientCb.onParametersUpdated(Convert.vendorInfoFromHal(parameters)));
     75     }
     76 }
     77