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