Alan Viverette | 3da604b | 2020-06-10 18:34:39 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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.car.setupwizardlib.partner; |
| 18 | |
| 19 | import android.content.ContentResolver; |
| 20 | import android.content.Context; |
| 21 | import android.content.pm.PackageManager; |
| 22 | import android.content.res.Resources; |
| 23 | import android.content.res.Resources.NotFoundException; |
| 24 | import android.graphics.drawable.Drawable; |
| 25 | import android.net.Uri; |
| 26 | import android.os.Bundle; |
| 27 | import android.util.Log; |
| 28 | import android.util.TypedValue; |
| 29 | |
| 30 | import androidx.annotation.ColorInt; |
| 31 | import androidx.annotation.NonNull; |
| 32 | import androidx.annotation.Nullable; |
| 33 | import androidx.annotation.VisibleForTesting; |
| 34 | |
| 35 | import java.util.EnumMap; |
| 36 | |
| 37 | /** The helper reads and caches the partner configurations from Car Setup Wizard. */ |
| 38 | public class PartnerConfigHelper { |
| 39 | |
| 40 | private static final String TAG = PartnerConfigHelper.class.getSimpleName(); |
| 41 | |
| 42 | @VisibleForTesting |
| 43 | static final String SUW_AUTHORITY = "com.google.android.car.setupwizard.partner"; |
| 44 | |
| 45 | @VisibleForTesting |
| 46 | static final String SUW_GET_PARTNER_CONFIG_METHOD = "getOverlayConfig"; |
| 47 | private static volatile PartnerConfigHelper sInstance = null; |
| 48 | |
| 49 | @VisibleForTesting Bundle mResultBundle = null; |
| 50 | |
| 51 | @VisibleForTesting |
| 52 | final EnumMap<PartnerConfig, Object> mPartnerResourceCache = new EnumMap<>(PartnerConfig.class); |
| 53 | |
| 54 | /** Factory method to get an instance */ |
| 55 | public static PartnerConfigHelper get(@NonNull Context context) { |
| 56 | if (sInstance == null) { |
| 57 | synchronized (PartnerConfigHelper.class) { |
| 58 | if (sInstance == null) { |
| 59 | sInstance = new PartnerConfigHelper(context); |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | return sInstance; |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Returns the color of given {@code partnerConfig}, or 0 if the given {@code partnerConfig} |
| 68 | * is not found. If the {@code ResourceType} of the given {@code partnerConfig} is not color, |
| 69 | * IllegalArgumentException will be thrown. |
| 70 | * |
| 71 | * @param context The context of client activity |
| 72 | * @param partnerConfig The {@code PartnerConfig} of target resource |
| 73 | */ |
| 74 | @ColorInt |
| 75 | public int getColor(@NonNull Context context, PartnerConfig partnerConfig) { |
| 76 | if (partnerConfig.getResourceType() != PartnerConfig.ResourceType.COLOR) { |
| 77 | throw new IllegalArgumentException("Not a color resource"); |
| 78 | } |
| 79 | |
| 80 | if (mPartnerResourceCache.containsKey(partnerConfig)) { |
| 81 | return (int) mPartnerResourceCache.get(partnerConfig); |
| 82 | } |
| 83 | |
| 84 | int result = 0; |
| 85 | try { |
| 86 | String resourceName = partnerConfig.getResourceName(); |
| 87 | ResourceEntry resourceEntry = getResourceEntryFromKey(resourceName); |
| 88 | if (resourceEntry == null) { |
| 89 | Log.w(TAG, "Resource not found: " + resourceName); |
| 90 | return 0; |
| 91 | } |
| 92 | |
| 93 | Resources resource = getResourcesByPackageName(context, resourceEntry.getPackageName()); |
| 94 | result = resource.getColor(resourceEntry.getResourceId(), null); |
| 95 | mPartnerResourceCache.put(partnerConfig, result); |
| 96 | } catch (PackageManager.NameNotFoundException exception) { |
| 97 | Log.e(TAG, exception.getMessage()); |
| 98 | } |
| 99 | return result; |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Returns the {@code Drawable} of given {@code partnerConfig}, or {@code null} if the given |
| 104 | * {@code partnerConfig} is not found. If the {@code ResourceType} of the given {@code |
| 105 | * resourceConfig} is not drawable, IllegalArgumentException will be thrown. |
| 106 | * |
| 107 | * @param context The context of client activity |
| 108 | * @param partnerConfig The {@code PartnerConfig} of target resource |
| 109 | */ |
| 110 | @Nullable |
| 111 | public Drawable getDrawable(@NonNull Context context, PartnerConfig partnerConfig) { |
| 112 | if (partnerConfig.getResourceType() != PartnerConfig.ResourceType.DRAWABLE) { |
| 113 | throw new IllegalArgumentException("Not a drawable resource"); |
| 114 | } |
| 115 | |
| 116 | if (mPartnerResourceCache.containsKey(partnerConfig)) { |
| 117 | return (Drawable) mPartnerResourceCache.get(partnerConfig); |
| 118 | } |
| 119 | |
| 120 | Drawable result = null; |
| 121 | try { |
| 122 | String resourceName = partnerConfig.getResourceName(); |
| 123 | ResourceEntry resourceEntry = getResourceEntryFromKey(resourceName); |
| 124 | if (resourceEntry == null) { |
| 125 | Log.w(TAG, "Resource not found: " + resourceName); |
| 126 | return null; |
| 127 | } |
| 128 | Resources resource = getResourcesByPackageName(context, resourceEntry.getPackageName()); |
| 129 | |
| 130 | // for @null |
| 131 | TypedValue outValue = new TypedValue(); |
| 132 | resource.getValue(resourceEntry.getResourceId(), outValue, true); |
| 133 | if (outValue.type == TypedValue.TYPE_REFERENCE && outValue.data == 0) { |
| 134 | return result; |
| 135 | } |
| 136 | |
| 137 | result = resource.getDrawable(resourceEntry.getResourceId(), null); |
| 138 | mPartnerResourceCache.put(partnerConfig, result); |
| 139 | } catch (PackageManager.NameNotFoundException | NotFoundException exception) { |
| 140 | Log.e(TAG, exception.getMessage()); |
| 141 | } |
| 142 | return result; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Returns the string of the given {@code partnerConfig}, or {@code null} if the given {@code |
| 147 | * resourceConfig} is not found. If the {@code ResourceType} of the given {@code partnerConfig} |
| 148 | * is not string, IllegalArgumentException will be thrown. |
| 149 | * |
| 150 | * @param context The context of client activity |
| 151 | * @param partnerConfig The {@code PartnerConfig} of target resource |
| 152 | */ |
| 153 | @Nullable |
| 154 | public String getString(@NonNull Context context, PartnerConfig partnerConfig) { |
| 155 | if (partnerConfig.getResourceType() != PartnerConfig.ResourceType.STRING) { |
| 156 | throw new IllegalArgumentException("Not a string resource"); |
| 157 | } |
| 158 | |
| 159 | if (mPartnerResourceCache.containsKey(partnerConfig)) { |
| 160 | return (String) mPartnerResourceCache.get(partnerConfig); |
| 161 | } |
| 162 | |
| 163 | String result = null; |
| 164 | try { |
| 165 | String resourceName = partnerConfig.getResourceName(); |
| 166 | ResourceEntry resourceEntry = getResourceEntryFromKey(resourceName); |
| 167 | if (resourceEntry == null) { |
| 168 | Log.w(TAG, "Resource not found: " + resourceName); |
| 169 | return null; |
| 170 | } |
| 171 | Resources resource = getResourcesByPackageName(context, resourceEntry.getPackageName()); |
| 172 | result = resource.getString(resourceEntry.getResourceId()); |
| 173 | mPartnerResourceCache.put(partnerConfig, result); |
| 174 | } catch (PackageManager.NameNotFoundException exception) { |
| 175 | Log.e(TAG, exception.getMessage()); |
| 176 | } |
| 177 | return result; |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Returns the dimension of given {@code partnerConfig}. The default return value is 0. |
| 182 | * |
| 183 | * @param context The context of client activity |
| 184 | * @param resourceConfig The {@code PartnerConfig} of target resource |
| 185 | */ |
| 186 | public float getDimension(@NonNull Context context, PartnerConfig resourceConfig) { |
| 187 | return getDimension(context, resourceConfig, 0); |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Returns the dimension of given {@code partnerConfig}. If the given {@code partnerConfig} |
| 192 | * not found, will return {@code defaultValue}. If the {@code ResourceType} of given {@code |
| 193 | * resourceConfig} is not dimension, will throw IllegalArgumentException. |
| 194 | * |
| 195 | * @param context The context of client activity |
| 196 | * @param partnerConfig The {@code PartnerConfig} of target resource |
| 197 | * @param defaultValue The default value |
| 198 | */ |
| 199 | public float getDimension( |
| 200 | @NonNull Context context, PartnerConfig partnerConfig, float defaultValue) { |
| 201 | if (partnerConfig.getResourceType() != PartnerConfig.ResourceType.DIMENSION) { |
| 202 | throw new IllegalArgumentException("Not a dimension resource"); |
| 203 | } |
| 204 | |
| 205 | if (mPartnerResourceCache.containsKey(partnerConfig)) { |
| 206 | return (float) mPartnerResourceCache.get(partnerConfig); |
| 207 | } |
| 208 | |
| 209 | float result = defaultValue; |
| 210 | try { |
| 211 | String resourceName = partnerConfig.getResourceName(); |
| 212 | ResourceEntry resourceEntry = getResourceEntryFromKey(resourceName); |
| 213 | if (resourceEntry == null) { |
| 214 | Log.w(TAG, "Resource not found: " + resourceName); |
| 215 | return defaultValue; |
| 216 | } |
| 217 | Resources resource = getResourcesByPackageName(context, resourceEntry.getPackageName()); |
| 218 | result = resource.getDimension(resourceEntry.getResourceId()); |
| 219 | mPartnerResourceCache.put(partnerConfig, result); |
| 220 | } catch (PackageManager.NameNotFoundException exception) { |
| 221 | Log.e(TAG, exception.getMessage()); |
| 222 | } |
| 223 | return result; |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * Returns the boolean value of given {@code partnerConfig}. If the given {@code partnerConfig} |
| 228 | * not found, will return {@code defaultValue}. If the {@code ResourceType} of given {@code |
| 229 | * resourceConfig} is not boolean, will throw IllegalArgumentException. |
| 230 | * |
| 231 | * @param context The context of client activity |
| 232 | * @param partnerConfig The {@code PartnerConfig} of target resource |
| 233 | * @param defaultValue The default value |
| 234 | */ |
| 235 | public boolean getBoolean( |
| 236 | @NonNull Context context, PartnerConfig partnerConfig, boolean defaultValue) { |
| 237 | if (partnerConfig.getResourceType() != PartnerConfig.ResourceType.BOOLEAN) { |
| 238 | throw new IllegalArgumentException("Not a boolean resource"); |
| 239 | } |
| 240 | |
| 241 | if (mPartnerResourceCache.containsKey(partnerConfig)) { |
| 242 | return (boolean) mPartnerResourceCache.get(partnerConfig); |
| 243 | } |
| 244 | |
| 245 | boolean result = defaultValue; |
| 246 | try { |
| 247 | String resourceName = partnerConfig.getResourceName(); |
| 248 | ResourceEntry resourceEntry = getResourceEntryFromKey(resourceName); |
| 249 | if (resourceEntry == null) { |
| 250 | Log.w(TAG, "Resource not found: " + resourceName); |
| 251 | return defaultValue; |
| 252 | } |
| 253 | Resources resource = getResourcesByPackageName(context, resourceEntry.getPackageName()); |
| 254 | result = resource.getBoolean(resourceEntry.getResourceId()); |
| 255 | mPartnerResourceCache.put(partnerConfig, result); |
| 256 | } catch (PackageManager.NameNotFoundException exception) { |
| 257 | Log.e(TAG, exception.getMessage()); |
| 258 | } |
| 259 | return result; |
| 260 | } |
| 261 | |
| 262 | private void getPartnerConfigBundle(Context context) { |
| 263 | if (mResultBundle == null) { |
| 264 | try { |
| 265 | Uri contentUri = |
| 266 | new Uri.Builder() |
| 267 | .scheme(ContentResolver.SCHEME_CONTENT) |
| 268 | .authority(SUW_AUTHORITY) |
| 269 | .appendPath(SUW_GET_PARTNER_CONFIG_METHOD) |
| 270 | .build(); |
| 271 | mResultBundle = context.getContentResolver().call( |
| 272 | contentUri, |
| 273 | SUW_GET_PARTNER_CONFIG_METHOD, |
| 274 | /* arg= */ null, |
| 275 | /* extras= */ null); |
| 276 | mPartnerResourceCache.clear(); |
| 277 | } catch (IllegalArgumentException exception) { |
| 278 | Log.w(TAG, "Fail to get config from suw provider"); |
| 279 | } |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | private Resources getResourcesByPackageName(Context context, String packageName) |
| 284 | throws PackageManager.NameNotFoundException { |
| 285 | PackageManager manager = context.getPackageManager(); |
| 286 | return manager.getResourcesForApplication(packageName); |
| 287 | } |
| 288 | |
| 289 | private ResourceEntry getResourceEntryFromKey(String resourceName) { |
| 290 | if (mResultBundle == null) { |
| 291 | return null; |
| 292 | } |
| 293 | return ResourceEntry.fromBundle(mResultBundle.getBundle(resourceName)); |
| 294 | } |
| 295 | |
| 296 | private PartnerConfigHelper(Context context) { |
| 297 | getPartnerConfigBundle(context); |
| 298 | } |
| 299 | |
| 300 | |
| 301 | @VisibleForTesting |
| 302 | static synchronized void resetForTesting() { |
| 303 | sInstance = null; |
| 304 | } |
| 305 | } |