| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.server.appsearch.visibilitystore; |
| |
| import android.annotation.NonNull; |
| import android.util.ArrayMap; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * Stores information about what types are hidden from platform surfaces through the |
| * {@link android.app.appsearch.SetSchemaRequest.Builder#setSchemaTypeDisplayedBySystem} API. |
| * |
| * This object is not thread safe. |
| */ |
| class NotDisplayedBySystemMap { |
| /** |
| * Maps packages to databases to the set of prefixed schemas that are platform-hidden within |
| * that database. |
| */ |
| private final Map<String, Map<String, Set<String>>> mMap = new ArrayMap<>(); |
| |
| /** |
| * Sets the prefixed schemas that are opted out of platform surfacing for the database. |
| * |
| * <p>Any existing mappings for this prefix are overwritten. |
| */ |
| public void setNotDisplayedBySystem( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @NonNull Set<String> prefixedSchemas) { |
| Map<String, Set<String>> databaseToSchemas = mMap.get(packageName); |
| if (databaseToSchemas == null) { |
| databaseToSchemas = new ArrayMap<>(); |
| mMap.put(packageName, databaseToSchemas); |
| } |
| databaseToSchemas.put(databaseName, prefixedSchemas); |
| } |
| |
| /** |
| * Returns whether the given prefixed schema is platform surfaceable (has not opted out) in the |
| * given database. |
| */ |
| public boolean isSchemaDisplayedBySystem( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @NonNull String prefixedSchema) { |
| Map<String, Set<String>> databaseToSchemaType = mMap.get(packageName); |
| if (databaseToSchemaType == null) { |
| // No opt-outs for this package |
| return true; |
| } |
| Set<String> schemaTypes = databaseToSchemaType.get(databaseName); |
| if (schemaTypes == null) { |
| // No opt-outs for this database |
| return true; |
| } |
| // Some schemas were opted out of being platform-surfaced. As long as this schema |
| // isn't one of those opt-outs, it's surfaceable. |
| return !schemaTypes.contains(prefixedSchema); |
| } |
| } |