1 /* 2 * Copyright (C) 2017 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 18 package com.android.settings.search; 19 20 import android.content.ComponentName; 21 import android.content.Context; 22 import android.text.TextUtils; 23 24 import com.android.internal.annotations.VisibleForTesting; 25 import com.android.settings.overlay.FeatureFactory; 26 import com.android.settings.search.indexing.IndexData; 27 28 import java.util.Locale; 29 30 /** 31 * FeatureProvider for the refactored search code. 32 */ 33 public class SearchFeatureProviderImpl implements SearchFeatureProvider { 34 35 private static final String TAG = "SearchFeatureProvider"; 36 37 private static final String METRICS_ACTION_SETTINGS_INDEX = "search_synchronous_indexing"; 38 private DatabaseIndexingManager mDatabaseIndexingManager; 39 private SearchIndexableResources mSearchIndexableResources; 40 41 @Override verifyLaunchSearchResultPageCaller(Context context, ComponentName caller)42 public void verifyLaunchSearchResultPageCaller(Context context, ComponentName caller) { 43 if (caller == null) { 44 throw new IllegalArgumentException("ExternalSettingsTrampoline intents " 45 + "must be called with startActivityForResult"); 46 } 47 final String packageName = caller.getPackageName(); 48 final boolean isSettingsPackage = TextUtils.equals(packageName, context.getPackageName()) 49 || TextUtils.equals(getSettingsIntelligencePkgName(), packageName); 50 final boolean isWhitelistedPackage = 51 isSignatureWhitelisted(context, caller.getPackageName()); 52 if (isSettingsPackage || isWhitelistedPackage) { 53 return; 54 } 55 throw new SecurityException("Search result intents must be called with from a " 56 + "whitelisted package."); 57 } 58 59 @Override getIndexingManager(Context context)60 public DatabaseIndexingManager getIndexingManager(Context context) { 61 if (mDatabaseIndexingManager == null) { 62 mDatabaseIndexingManager = new DatabaseIndexingManager(context.getApplicationContext()); 63 } 64 return mDatabaseIndexingManager; 65 } 66 67 @Override updateIndex(Context context)68 public void updateIndex(Context context) { 69 long indexStartTime = System.currentTimeMillis(); 70 getIndexingManager(context).performIndexing(); 71 int indexingTime = (int) (System.currentTimeMillis() - indexStartTime); 72 FeatureFactory.getFactory(context).getMetricsFeatureProvider() 73 .histogram(context, METRICS_ACTION_SETTINGS_INDEX, indexingTime); 74 } 75 76 @Override getSearchIndexableResources()77 public SearchIndexableResources getSearchIndexableResources() { 78 if (mSearchIndexableResources == null) { 79 mSearchIndexableResources = new SearchIndexableResourcesImpl(); 80 } 81 return mSearchIndexableResources; 82 } 83 isSignatureWhitelisted(Context context, String callerPackage)84 protected boolean isSignatureWhitelisted(Context context, String callerPackage) { 85 return false; 86 } 87 88 /** 89 * A generic method to make the query suitable for searching the database. 90 * 91 * @return the cleaned query string 92 */ 93 @VisibleForTesting cleanQuery(String query)94 String cleanQuery(String query) { 95 if (TextUtils.isEmpty(query)) { 96 return null; 97 } 98 if (Locale.getDefault().equals(Locale.JAPAN)) { 99 query = IndexData.normalizeJapaneseString(query); 100 } 101 return query.trim(); 102 } 103 } 104