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1 /*
2  * Copyright (C) 2010 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 package com.android.browser.search;
17 
18 import android.app.PendingIntent;
19 import android.app.SearchManager;
20 import android.app.SearchableInfo;
21 import android.content.ActivityNotFoundException;
22 import android.content.ComponentName;
23 import android.content.Context;
24 import android.content.Intent;
25 import android.content.pm.ActivityInfo;
26 import android.content.pm.PackageManager;
27 import android.database.Cursor;
28 import android.os.Bundle;
29 import android.provider.Browser;
30 import android.text.TextUtils;
31 import android.util.Log;
32 
33 public class DefaultSearchEngine implements SearchEngine {
34 
35     private static final String TAG = "DefaultSearchEngine";
36 
37     private final SearchableInfo mSearchable;
38 
39     private final CharSequence mLabel;
40 
DefaultSearchEngine(Context context, SearchableInfo searchable)41     private DefaultSearchEngine(Context context, SearchableInfo searchable) {
42         mSearchable = searchable;
43         mLabel = loadLabel(context, mSearchable.getSearchActivity());
44     }
45 
create(Context context)46     public static DefaultSearchEngine create(Context context) {
47         SearchManager searchManager =
48                 (SearchManager) context.getSystemService(Context.SEARCH_SERVICE);
49         ComponentName name = searchManager.getWebSearchActivity();
50         if (name == null) return null;
51         SearchableInfo searchable = searchManager.getSearchableInfo(name);
52         if (searchable == null) return null;
53         return new DefaultSearchEngine(context, searchable);
54     }
55 
loadLabel(Context context, ComponentName activityName)56     private CharSequence loadLabel(Context context, ComponentName activityName) {
57         PackageManager pm = context.getPackageManager();
58         try {
59             ActivityInfo ai = pm.getActivityInfo(activityName, 0);
60             return ai.loadLabel(pm);
61         } catch (PackageManager.NameNotFoundException ex) {
62             Log.e(TAG, "Web search activity not found: " + activityName);
63             return null;
64         }
65     }
66 
getName()67     public String getName() {
68         String packageName = mSearchable.getSearchActivity().getPackageName();
69         // Use "google" as name to avoid showing Google twice (app + OpenSearch)
70         if ("com.google.android.googlequicksearchbox".equals(packageName)) {
71             return SearchEngine.GOOGLE;
72         } else if ("com.android.quicksearchbox".equals(packageName)) {
73             return SearchEngine.GOOGLE;
74         } else {
75             return packageName;
76         }
77     }
78 
getLabel()79     public CharSequence getLabel() {
80         return mLabel;
81     }
82 
startSearch(Context context, String query, Bundle appData, String extraData)83     public void startSearch(Context context, String query, Bundle appData, String extraData) {
84         try {
85             Intent intent = new Intent(Intent.ACTION_WEB_SEARCH);
86             intent.setComponent(mSearchable.getSearchActivity());
87             intent.addCategory(Intent.CATEGORY_DEFAULT);
88             intent.putExtra(SearchManager.QUERY, query);
89             if (appData != null) {
90                 intent.putExtra(SearchManager.APP_DATA, appData);
91             }
92             if (extraData != null) {
93                 intent.putExtra(SearchManager.EXTRA_DATA_KEY, extraData);
94             }
95             intent.putExtra(Browser.EXTRA_APPLICATION_ID, context.getPackageName());
96             Intent viewIntent = new Intent(Intent.ACTION_VIEW);
97             viewIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
98             viewIntent.setPackage(context.getPackageName());
99             PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent,
100                     PendingIntent.FLAG_ONE_SHOT);
101             intent.putExtra(SearchManager.EXTRA_WEB_SEARCH_PENDINGINTENT, pending);
102             context.startActivity(intent);
103         } catch (ActivityNotFoundException ex) {
104             Log.e(TAG, "Web search activity not found: " + mSearchable.getSearchActivity());
105         }
106     }
107 
getSuggestions(Context context, String query)108     public Cursor getSuggestions(Context context, String query) {
109         SearchManager searchManager =
110                 (SearchManager) context.getSystemService(Context.SEARCH_SERVICE);
111         return searchManager.getSuggestions(mSearchable, query);
112     }
113 
supportsSuggestions()114     public boolean supportsSuggestions() {
115         return !TextUtils.isEmpty(mSearchable.getSuggestAuthority());
116     }
117 
close()118     public void close() {
119     }
120 
121     @Override
toString()122     public String toString() {
123         return "ActivitySearchEngine{" + mSearchable + "}";
124     }
125 
126     @Override
wantsEmptyQuery()127     public boolean wantsEmptyQuery() {
128         return false;
129     }
130 
131 }
132