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 static com.android.settings.intelligence.search.sitemap.HighlightableMenu.MENU_KEY_ACCESSIBILITY;
20 
21 import android.accessibilityservice.AccessibilityServiceInfo;
22 import android.content.ComponentName;
23 import android.content.Context;
24 import android.content.Intent;
25 import android.content.pm.PackageManager;
26 import android.content.pm.ResolveInfo;
27 import android.content.pm.ServiceInfo;
28 import android.graphics.drawable.Drawable;
29 import android.view.accessibility.AccessibilityManager;
30 
31 import com.android.settings.intelligence.R;
32 import com.android.settings.intelligence.nano.SettingsIntelligenceLogProto;
33 import com.android.settings.intelligence.search.ResultPayload;
34 import com.android.settings.intelligence.search.SearchResult;
35 import com.android.settings.intelligence.search.indexing.DatabaseIndexingUtils;
36 import com.android.settings.intelligence.search.sitemap.SiteMapManager;
37 
38 import java.util.ArrayList;
39 import java.util.Collections;
40 import java.util.List;
41 
42 public class AccessibilityServiceResultTask extends SearchQueryTask.QueryWorker {
43 
44     public static final int QUERY_WORKER_ID = SettingsIntelligenceLogProto.SettingsIntelligenceEvent
45             .SEARCH_QUERY_ACCESSIBILITY_SERVICES;
46 
47     private static final int NAME_NO_MATCH = -1;
48 
49     private final AccessibilityManager mAccessibilityManager;
50     private final PackageManager mPackageManager;
51 
52     private List<String> mBreadcrumb;
53 
newTask(Context context, SiteMapManager manager, String query)54     public static SearchQueryTask newTask(Context context, SiteMapManager manager,
55             String query) {
56         return new SearchQueryTask(new AccessibilityServiceResultTask(context, manager, query));
57     }
58 
AccessibilityServiceResultTask(Context context, SiteMapManager mapManager, String query)59     public AccessibilityServiceResultTask(Context context, SiteMapManager mapManager,
60             String query) {
61         super(context, mapManager, query);
62         mPackageManager = context.getPackageManager();
63         mAccessibilityManager =
64                 (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
65     }
66 
67     @Override
query()68     protected List<? extends SearchResult> query() {
69         final List<SearchResult> results = new ArrayList<>();
70         final List<AccessibilityServiceInfo> services = mAccessibilityManager
71                 .getInstalledAccessibilityServiceList();
72         final String screenTitle = mContext.getString(R.string.accessibility_settings);
73         for (AccessibilityServiceInfo service : services) {
74             if (service == null) {
75                 continue;
76             }
77             final ResolveInfo resolveInfo = service.getResolveInfo();
78             if (service.getResolveInfo() == null) {
79                 continue;
80             }
81             final ServiceInfo serviceInfo = resolveInfo.serviceInfo;
82             final CharSequence title = resolveInfo.loadLabel(mPackageManager);
83             final int wordDiff = SearchQueryUtils.getWordDifference(title.toString(), mQuery);
84             if (wordDiff == NAME_NO_MATCH) {
85                 continue;
86             }
87             final Drawable icon = serviceInfo.loadIcon(mPackageManager);
88             final String componentName = new ComponentName(serviceInfo.packageName,
89                     serviceInfo.name).flattenToString();
90             final Intent intent = DatabaseIndexingUtils.buildSearchTrampolineIntent(
91                     mContext.getString(R.string.accessibility_settings_classname),
92                     componentName, screenTitle, MENU_KEY_ACCESSIBILITY);
93 
94             results.add(new SearchResult.Builder()
95                     .setTitle(title)
96                     .addBreadcrumbs(getBreadCrumb())
97                     .setPayload(new ResultPayload(intent))
98                     .setRank(wordDiff)
99                     .setIcon(icon)
100                     .setDataKey(componentName)
101                     .build());
102         }
103         Collections.sort(results);
104         return results;
105     }
106 
107     @Override
getQueryWorkerId()108     protected int getQueryWorkerId() {
109         return QUERY_WORKER_ID;
110     }
111 
getBreadCrumb()112     private List<String> getBreadCrumb() {
113         if (mBreadcrumb == null || mBreadcrumb.isEmpty()) {
114             mBreadcrumb = mSiteMapManager.buildBreadCrumb(
115                     mContext, mContext.getString(R.string.accessibility_settings_classname),
116                     mContext.getString(R.string.accessibility_settings));
117         }
118         return mBreadcrumb;
119     }
120 }
121