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 package com.android.settings.intelligence.search.query; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.content.pm.ApplicationInfo; 22 import android.content.pm.PackageManager; 23 import android.net.Uri; 24 import android.provider.Settings; 25 26 import com.android.settings.intelligence.R; 27 import com.android.settings.intelligence.nano.SettingsIntelligenceLogProto; 28 import com.android.settings.intelligence.search.AppSearchResult; 29 import com.android.settings.intelligence.search.ResultPayload; 30 import com.android.settings.intelligence.search.SearchResult; 31 import com.android.settings.intelligence.search.indexing.DatabaseIndexingUtils; 32 import com.android.settings.intelligence.search.sitemap.SiteMapManager; 33 34 import java.util.ArrayList; 35 import java.util.Collections; 36 import java.util.List; 37 38 /** 39 * Search loader for installed apps. 40 */ 41 public class InstalledAppResultTask extends SearchQueryTask.QueryWorker { 42 43 public static final int QUERY_WORKER_ID = 44 SettingsIntelligenceLogProto.SettingsIntelligenceEvent.SEARCH_QUERY_INSTALLED_APPS; 45 46 private final PackageManager mPackageManager; 47 private final String INTENT_SCHEME = "package"; 48 private List<String> mBreadcrumb; 49 newTask(Context context, SiteMapManager siteMapManager, String query)50 public static SearchQueryTask newTask(Context context, SiteMapManager siteMapManager, 51 String query) { 52 return new SearchQueryTask(new InstalledAppResultTask(context, siteMapManager, query)); 53 } 54 InstalledAppResultTask(Context context, SiteMapManager siteMapManager, String query)55 public InstalledAppResultTask(Context context, SiteMapManager siteMapManager, 56 String query) { 57 super(context, siteMapManager, query); 58 mPackageManager = context.getPackageManager(); 59 } 60 61 @Override getQueryWorkerId()62 protected int getQueryWorkerId() { 63 return QUERY_WORKER_ID; 64 } 65 66 @Override query()67 protected List<? extends SearchResult> query() { 68 final List<AppSearchResult> results = new ArrayList<>(); 69 70 List<ApplicationInfo> appsInfo = mPackageManager.getInstalledApplications( 71 PackageManager.MATCH_DISABLED_COMPONENTS 72 | PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS 73 | PackageManager.MATCH_INSTANT); 74 75 for (ApplicationInfo info : appsInfo) { 76 final CharSequence label = info.loadLabel(mPackageManager); 77 final int wordDiff = SearchQueryUtils.getWordDifference(label.toString(), mQuery); 78 if (wordDiff == SearchQueryUtils.NAME_NO_MATCH) { 79 continue; 80 } 81 82 final Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS) 83 .setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS) 84 .setData( 85 Uri.fromParts(INTENT_SCHEME, info.packageName, null /* fragment */)) 86 .putExtra(DatabaseIndexingUtils.EXTRA_SOURCE_METRICS_CATEGORY, 87 DatabaseIndexingUtils.DASHBOARD_SEARCH_RESULTS); 88 89 final AppSearchResult.Builder builder = new AppSearchResult.Builder(); 90 builder.setAppInfo(info) 91 .setDataKey(info.packageName) 92 .setTitle(info.loadLabel(mPackageManager)) 93 .setRank(getRank(wordDiff)) 94 .addBreadcrumbs(getBreadCrumb()) 95 .setPayload(new ResultPayload(intent)); 96 results.add(builder.build()); 97 } 98 99 Collections.sort(results); 100 return results; 101 } 102 getBreadCrumb()103 private List<String> getBreadCrumb() { 104 if (mBreadcrumb == null || mBreadcrumb.isEmpty()) { 105 mBreadcrumb = mSiteMapManager.buildBreadCrumb( 106 mContext, "com.android.settings.applications.ManageApplications", 107 mContext.getString(R.string.applications_settings)); 108 } 109 return mBreadcrumb; 110 } 111 112 /** 113 * A temporary ranking scheme for installed apps. 114 * 115 * @param wordDiff difference between query length and app name length. 116 * @return the ranking. 117 */ getRank(int wordDiff)118 private int getRank(int wordDiff) { 119 if (wordDiff < 6) { 120 return 2; 121 } 122 return 3; 123 } 124 } 125 126