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      1 /*
      2  * Copyright (C) 2016 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.tv.tuner.util;
     18 
     19 import android.annotation.TargetApi;
     20 import android.content.ComponentName;
     21 import android.content.Context;
     22 import android.media.tv.TvInputInfo;
     23 import android.media.tv.TvInputManager;
     24 import android.os.AsyncTask;
     25 import android.os.Build;
     26 import android.support.annotation.Nullable;
     27 import android.util.Log;
     28 import android.util.Pair;
     29 import com.android.tv.common.BaseApplication;
     30 import com.android.tv.common.BuildConfig;
     31 import com.android.tv.common.feature.CommonFeatures;
     32 import com.android.tv.tuner.R;
     33 import com.android.tv.tuner.TunerHal;
     34 
     35 /** Utility class for providing tuner input info. */
     36 public class TunerInputInfoUtils {
     37     private static final String TAG = "TunerInputInfoUtils";
     38     private static final boolean DEBUG = false;
     39 
     40     /** Builds tuner input's info. */
     41     @Nullable
     42     @TargetApi(Build.VERSION_CODES.N)
     43     public static TvInputInfo buildTunerInputInfo(Context context) {
     44         Pair<Integer, Integer> tunerTypeAndCount = TunerHal.getTunerTypeAndCount(context);
     45         if (tunerTypeAndCount.first == null || tunerTypeAndCount.second == 0) {
     46             return null;
     47         }
     48         int inputLabelId = 0;
     49         switch (tunerTypeAndCount.first) {
     50             case TunerHal.TUNER_TYPE_BUILT_IN:
     51                 inputLabelId = R.string.bt_app_name;
     52                 break;
     53             case TunerHal.TUNER_TYPE_USB:
     54                 inputLabelId = R.string.ut_app_name;
     55                 break;
     56             case TunerHal.TUNER_TYPE_NETWORK:
     57                 inputLabelId = R.string.nt_app_name;
     58                 break;
     59         }
     60         try {
     61             String inputId = BaseApplication.getSingletons(context).getEmbeddedTunerInputId();
     62             TvInputInfo.Builder builder =
     63                     new TvInputInfo.Builder(context, ComponentName.unflattenFromString(inputId));
     64             return builder.setLabel(inputLabelId)
     65                     .setCanRecord(CommonFeatures.DVR.isEnabled(context))
     66                     .setTunerCount(tunerTypeAndCount.second)
     67                     .build();
     68         } catch (IllegalArgumentException | NullPointerException e) {
     69             // BaseTunerTvInputService is not enabled.
     70             return null;
     71         }
     72     }
     73 
     74     /**
     75      * Updates tuner input's info.
     76      *
     77      * @param context {@link Context} instance
     78      */
     79     public static void updateTunerInputInfo(Context context) {
     80         final Context appContext = context.getApplicationContext();
     81         if (!BuildConfig.NO_JNI_TEST && Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
     82             new AsyncTask<Void, Void, TvInputInfo>() {
     83                 @Override
     84                 protected TvInputInfo doInBackground(Void... params) {
     85                     if (DEBUG) Log.d(TAG, "updateTunerInputInfo()");
     86                     return buildTunerInputInfo(appContext);
     87                 }
     88 
     89                 @Override
     90                 @TargetApi(Build.VERSION_CODES.N)
     91                 protected void onPostExecute(TvInputInfo info) {
     92                     if (info != null) {
     93                         ((TvInputManager) appContext.getSystemService(Context.TV_INPUT_SERVICE))
     94                                 .updateTvInputInfo(info);
     95                         if (DEBUG) {
     96                             Log.d(
     97                                     TAG,
     98                                     "TvInputInfo ["
     99                                             + info.loadLabel(appContext)
    100                                             + "] updated: "
    101                                             + info.toString());
    102                         }
    103                     } else {
    104                         if (DEBUG) {
    105                             Log.d(TAG, "Updating tuner input info failed. Input is not ready yet.");
    106                         }
    107                     }
    108                 }
    109             }.execute();
    110         }
    111     }
    112 }
    113