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.common.customization; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.content.pm.PackageInfo; 22 import android.content.pm.PackageManager; 23 import android.content.pm.PackageManager.NameNotFoundException; 24 import android.content.pm.ResolveInfo; 25 import android.content.res.Resources; 26 import android.graphics.drawable.Drawable; 27 import android.support.annotation.IntDef; 28 import android.text.TextUtils; 29 import android.util.Log; 30 import com.android.tv.common.CommonConstants; 31 import java.lang.annotation.Retention; 32 import java.lang.annotation.RetentionPolicy; 33 import java.util.ArrayList; 34 import java.util.Collections; 35 import java.util.HashMap; 36 import java.util.List; 37 import java.util.Map; 38 39 public class CustomizationManager { 40 private static final String TAG = "CustomizationManager"; 41 private static final boolean DEBUG = false; 42 43 private static final String[] CUSTOMIZE_PERMISSIONS = { 44 CommonConstants.BASE_PACKAGE + ".permission.CUSTOMIZE_TV_APP" 45 }; 46 47 private static final String CATEGORY_TV_CUSTOMIZATION = 48 CommonConstants.BASE_PACKAGE + ".category"; 49 50 /** Row IDs to share customized actions. Only rows listed below can have customized action. */ 51 public static final String ID_OPTIONS_ROW = "options_row"; 52 53 public static final String ID_PARTNER_ROW = "partner_row"; 54 55 @IntDef({TRICKPLAY_MODE_ENABLED, TRICKPLAY_MODE_DISABLED, TRICKPLAY_MODE_USE_EXTERNAL_STORAGE}) 56 @Retention(RetentionPolicy.SOURCE) 57 public @interface TRICKPLAY_MODE {} 58 59 public static final int TRICKPLAY_MODE_ENABLED = 0; 60 public static final int TRICKPLAY_MODE_DISABLED = 1; 61 public static final int TRICKPLAY_MODE_USE_EXTERNAL_STORAGE = 2; 62 63 private static final String[] TRICKPLAY_MODE_STRINGS = { 64 "enabled", "disabled", "use_external_storage_only" 65 }; 66 67 private static final HashMap<String, String> INTENT_CATEGORY_TO_ROW_ID; 68 69 static { 70 INTENT_CATEGORY_TO_ROW_ID = new HashMap<>(); 71 INTENT_CATEGORY_TO_ROW_ID.put(CATEGORY_TV_CUSTOMIZATION + ".OPTIONS_ROW", ID_OPTIONS_ROW); 72 INTENT_CATEGORY_TO_ROW_ID.put(CATEGORY_TV_CUSTOMIZATION + ".PARTNER_ROW", ID_PARTNER_ROW); 73 } 74 75 private static final String RES_ID_PARTNER_ROW_TITLE = "partner_row_title"; 76 private static final String RES_ID_HAS_LINUX_DVB_BUILT_IN_TUNER = 77 "has_linux_dvb_built_in_tuner"; 78 private static final String RES_ID_TRICKPLAY_MODE = "trickplay_mode"; 79 80 private static final String RES_TYPE_STRING = "string"; 81 private static final String RES_TYPE_BOOLEAN = "bool"; 82 83 private static String sCustomizationPackage; 84 private static Boolean sHasLinuxDvbBuiltInTuner; 85 private static @TRICKPLAY_MODE Integer sTrickplayMode; 86 87 private final Context mContext; 88 private boolean mInitialized; 89 90 private String mPartnerRowTitle; 91 private final Map<String, List<CustomAction>> mRowIdToCustomActionsMap = new HashMap<>(); 92 CustomizationManager(Context context)93 public CustomizationManager(Context context) { 94 mContext = context; 95 mInitialized = false; 96 } 97 98 /** 99 * Returns {@code true} if there's a customization package installed and it specifies built-in 100 * tuner devices are available. The built-in tuner should support DVB API to be recognized by 101 * Live TV. 102 */ hasLinuxDvbBuiltInTuner(Context context)103 public static boolean hasLinuxDvbBuiltInTuner(Context context) { 104 if (sHasLinuxDvbBuiltInTuner == null) { 105 if (TextUtils.isEmpty(getCustomizationPackageName(context))) { 106 sHasLinuxDvbBuiltInTuner = false; 107 } else { 108 try { 109 Resources res = 110 context.getPackageManager() 111 .getResourcesForApplication(sCustomizationPackage); 112 int resId = 113 res.getIdentifier( 114 RES_ID_HAS_LINUX_DVB_BUILT_IN_TUNER, 115 RES_TYPE_BOOLEAN, 116 sCustomizationPackage); 117 sHasLinuxDvbBuiltInTuner = resId != 0 && res.getBoolean(resId); 118 } catch (NameNotFoundException e) { 119 sHasLinuxDvbBuiltInTuner = false; 120 } 121 } 122 } 123 return sHasLinuxDvbBuiltInTuner; 124 } 125 getTrickplayMode(Context context)126 public static @TRICKPLAY_MODE int getTrickplayMode(Context context) { 127 if (sTrickplayMode == null) { 128 if (TextUtils.isEmpty(getCustomizationPackageName(context))) { 129 sTrickplayMode = TRICKPLAY_MODE_ENABLED; 130 } else { 131 try { 132 String customization = null; 133 Resources res = 134 context.getPackageManager() 135 .getResourcesForApplication(sCustomizationPackage); 136 int resId = 137 res.getIdentifier( 138 RES_ID_TRICKPLAY_MODE, RES_TYPE_STRING, sCustomizationPackage); 139 customization = resId == 0 ? null : res.getString(resId); 140 sTrickplayMode = TRICKPLAY_MODE_ENABLED; 141 if (customization != null) { 142 for (int i = 0; i < TRICKPLAY_MODE_STRINGS.length; ++i) { 143 if (TRICKPLAY_MODE_STRINGS[i].equalsIgnoreCase(customization)) { 144 sTrickplayMode = i; 145 break; 146 } 147 } 148 } 149 } catch (NameNotFoundException e) { 150 sTrickplayMode = TRICKPLAY_MODE_ENABLED; 151 } 152 } 153 } 154 return sTrickplayMode; 155 } 156 getCustomizationPackageName(Context context)157 private static String getCustomizationPackageName(Context context) { 158 if (sCustomizationPackage == null) { 159 List<PackageInfo> packageInfos = 160 context.getPackageManager() 161 .getPackagesHoldingPermissions(CUSTOMIZE_PERMISSIONS, 0); 162 sCustomizationPackage = packageInfos.size() == 0 ? "" : packageInfos.get(0).packageName; 163 } 164 return sCustomizationPackage; 165 } 166 167 /** Initialize TV customization options. Run this API only on the main thread. */ initialize()168 public void initialize() { 169 if (mInitialized) { 170 return; 171 } 172 mInitialized = true; 173 if (!TextUtils.isEmpty(getCustomizationPackageName(mContext))) { 174 buildCustomActions(); 175 buildPartnerRow(); 176 } 177 } 178 buildCustomActions()179 private void buildCustomActions() { 180 mRowIdToCustomActionsMap.clear(); 181 PackageManager pm = mContext.getPackageManager(); 182 for (String intentCategory : INTENT_CATEGORY_TO_ROW_ID.keySet()) { 183 Intent customOptionIntent = new Intent(Intent.ACTION_MAIN); 184 customOptionIntent.addCategory(intentCategory); 185 186 List<ResolveInfo> activities = 187 pm.queryIntentActivities( 188 customOptionIntent, 189 PackageManager.GET_RECEIVERS 190 | PackageManager.GET_RESOLVED_FILTER 191 | PackageManager.GET_META_DATA); 192 for (ResolveInfo info : activities) { 193 String packageName = info.activityInfo.packageName; 194 if (!TextUtils.equals(packageName, sCustomizationPackage)) { 195 Log.w( 196 TAG, 197 "A customization package " 198 + sCustomizationPackage 199 + " already exist. Ignoring " 200 + packageName); 201 continue; 202 } 203 204 int position = info.filter.getPriority(); 205 String title = info.loadLabel(pm).toString(); 206 Drawable drawable = info.loadIcon(pm); 207 Intent intent = new Intent(Intent.ACTION_MAIN); 208 intent.addCategory(intentCategory); 209 intent.setClassName(sCustomizationPackage, info.activityInfo.name); 210 211 String rowId = INTENT_CATEGORY_TO_ROW_ID.get(intentCategory); 212 List<CustomAction> actions = mRowIdToCustomActionsMap.get(rowId); 213 if (actions == null) { 214 actions = new ArrayList<>(); 215 mRowIdToCustomActionsMap.put(rowId, actions); 216 } 217 actions.add(new CustomAction(position, title, drawable, intent)); 218 } 219 } 220 // Sort items by position 221 for (List<CustomAction> actions : mRowIdToCustomActionsMap.values()) { 222 Collections.sort(actions); 223 } 224 225 if (DEBUG) { 226 Log.d(TAG, "Dumping custom actions"); 227 for (String id : mRowIdToCustomActionsMap.keySet()) { 228 for (CustomAction action : mRowIdToCustomActionsMap.get(id)) { 229 Log.d( 230 TAG, 231 "Custom row rowId=" 232 + id 233 + " title=" 234 + action.getTitle() 235 + " class=" 236 + action.getIntent()); 237 } 238 } 239 Log.d(TAG, "Dumping custom actions - end of dump"); 240 } 241 } 242 243 /** 244 * Returns custom actions for given row id. 245 * 246 * <p>Row ID is one of ID_OPTIONS_ROW or ID_PARTNER_ROW. 247 */ getCustomActions(String rowId)248 public List<CustomAction> getCustomActions(String rowId) { 249 return mRowIdToCustomActionsMap.get(rowId); 250 } 251 buildPartnerRow()252 private void buildPartnerRow() { 253 mPartnerRowTitle = null; 254 Resources res; 255 try { 256 res = mContext.getPackageManager().getResourcesForApplication(sCustomizationPackage); 257 } catch (NameNotFoundException e) { 258 Log.w(TAG, "Could not get resources for package " + sCustomizationPackage); 259 return; 260 } 261 int resId = 262 res.getIdentifier(RES_ID_PARTNER_ROW_TITLE, RES_TYPE_STRING, sCustomizationPackage); 263 if (resId != 0) { 264 mPartnerRowTitle = res.getString(resId); 265 } 266 if (DEBUG) Log.d(TAG, "Partner row title [" + mPartnerRowTitle + "]"); 267 } 268 269 /** Returns partner row title. */ getPartnerRowTitle()270 public String getPartnerRowTitle() { 271 return mPartnerRowTitle; 272 } 273 } 274