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 17package com.android.tv.tuner.util; 18 19import android.annotation.TargetApi; 20import android.content.ComponentName; 21import android.content.Context; 22import android.media.tv.TvInputInfo; 23import android.media.tv.TvInputManager; 24import android.os.AsyncTask; 25import android.os.Build; 26import android.support.annotation.Nullable; 27import android.util.Log; 28import android.util.Pair; 29import com.android.tv.common.BaseApplication; 30import com.android.tv.common.BuildConfig; 31import com.android.tv.common.feature.CommonFeatures; 32import com.android.tv.tuner.R; 33import com.android.tv.tuner.TunerHal; 34 35/** Utility class for providing tuner input info. */ 36public 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