1 /* 2 * Copyright (C) 2015 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.data; 18 19 import android.content.Context; 20 import android.media.tv.TvContract.Programs.Genres; 21 import com.android.tv.R; 22 23 public class GenreItems { 24 /** Genre ID indicating all channels. */ 25 public static final int ID_ALL_CHANNELS = 0; 26 27 private static final String[] CANONICAL_GENRES = { 28 null, // All channels 29 Genres.FAMILY_KIDS, 30 Genres.SPORTS, 31 Genres.SHOPPING, 32 Genres.MOVIES, 33 Genres.COMEDY, 34 Genres.TRAVEL, 35 Genres.DRAMA, 36 Genres.EDUCATION, 37 Genres.ANIMAL_WILDLIFE, 38 Genres.NEWS, 39 Genres.GAMING, 40 Genres.ARTS, 41 Genres.ENTERTAINMENT, 42 Genres.LIFE_STYLE, 43 Genres.MUSIC, 44 Genres.PREMIER, 45 Genres.TECH_SCIENCE 46 }; 47 GenreItems()48 private GenreItems() {} 49 50 /** Returns array of all genre labels. */ getLabels(Context context)51 public static String[] getLabels(Context context) { 52 String[] items = context.getResources().getStringArray(R.array.genre_labels); 53 if (items.length != CANONICAL_GENRES.length) { 54 throw new IllegalArgumentException("Genre data mismatch"); 55 } 56 return items; 57 } 58 59 /** Returns the number of genres including all channels. */ getGenreCount()60 public static int getGenreCount() { 61 return CANONICAL_GENRES.length; 62 } 63 64 /** 65 * Returns the canonical genre for the given id. If the id is invalid, {@code null} will be 66 * returned instead. 67 */ getCanonicalGenre(int id)68 public static String getCanonicalGenre(int id) { 69 if (id < 0 || id >= CANONICAL_GENRES.length) { 70 return null; 71 } 72 return CANONICAL_GENRES[id]; 73 } 74 75 /** 76 * Returns id for the given canonical genre. If the genre is invalid, {@link #ID_ALL_CHANNELS} 77 * will be returned instead. 78 */ getId(String canonicalGenre)79 public static int getId(String canonicalGenre) { 80 if (canonicalGenre == null) { 81 return ID_ALL_CHANNELS; 82 } 83 for (int i = 1; i < CANONICAL_GENRES.length; ++i) { 84 if (CANONICAL_GENRES[i].equals(canonicalGenre)) { 85 return i; 86 } 87 } 88 return ID_ALL_CHANNELS; 89 } 90 } 91