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.Build; 25 import android.support.annotation.Nullable; 26 import android.support.v4.os.BuildCompat; 27 import android.util.Log; 28 29 import com.android.tv.common.feature.CommonFeatures; 30 import com.android.tv.tuner.R; 31 import com.android.tv.tuner.TunerHal; 32 import com.android.tv.tuner.tvinput.TunerTvInputService; 33 34 /** 35 * Utility class for providing tuner input info. 36 */ 37 public class TunerInputInfoUtils { 38 private static final String TAG = "TunerInputInfoUtils"; 39 private static final boolean DEBUG = false; 40 41 /** 42 * Builds tuner input's info. 43 */ 44 @Nullable 45 @TargetApi(Build.VERSION_CODES.N) buildTunerInputInfo(Context context, boolean fromBuiltInTuner)46 public static TvInputInfo buildTunerInputInfo(Context context, boolean fromBuiltInTuner) { 47 int numOfDevices = TunerHal.getTunerCount(context); 48 if (numOfDevices == 0) { 49 return null; 50 } 51 TvInputInfo.Builder builder = new TvInputInfo.Builder(context, new ComponentName(context, 52 TunerTvInputService.class)); 53 if (fromBuiltInTuner) { 54 builder.setLabel(R.string.bt_app_name); 55 } else { 56 builder.setLabel(R.string.ut_app_name); 57 } 58 try { 59 return builder.setCanRecord(CommonFeatures.DVR.isEnabled(context)) 60 .setTunerCount(numOfDevices) 61 .build(); 62 } catch (NullPointerException e) { 63 // TunerTvInputService is not enabled. 64 return null; 65 } 66 } 67 68 /** 69 * Updates tuner input's info. 70 * 71 * @param context {@link Context} instance 72 */ updateTunerInputInfo(Context context)73 public static void updateTunerInputInfo(Context context) { 74 if (BuildCompat.isAtLeastN()) { 75 if (DEBUG) Log.d(TAG, "updateTunerInputInfo()"); 76 TvInputInfo info = buildTunerInputInfo(context, isBuiltInTuner(context)); 77 if (info != null) { 78 ((TvInputManager) context.getSystemService(Context.TV_INPUT_SERVICE)) 79 .updateTvInputInfo(info); 80 if (DEBUG) { 81 Log.d(TAG, "TvInputInfo [" + info.loadLabel(context) 82 + "] updated: " + info.toString()); 83 } 84 } else { 85 if (DEBUG) { 86 Log.d(TAG, "Updating tuner input's info failed. Input is not ready yet."); 87 } 88 } 89 } 90 } 91 92 /** 93 * Returns if the current tuner service is for a built-in tuner. 94 * 95 * @param context {@link Context} instance 96 */ isBuiltInTuner(Context context)97 public static boolean isBuiltInTuner(Context context) { 98 return TunerHal.getTunerType(context) == TunerHal.TUNER_TYPE_BUILT_IN; 99 } 100 } 101