1 /* 2 * Copyright (C) 2009 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.quicksearchbox; 18 19 import android.app.SearchManager; 20 import android.app.SearchableInfo; 21 import android.content.ComponentName; 22 import android.content.Context; 23 import android.content.pm.PackageManager.NameNotFoundException; 24 import android.util.Log; 25 26 import java.util.Collection; 27 import java.util.HashMap; 28 import java.util.List; 29 30 /** 31 * Maintains a list of search sources. 32 */ 33 public class SearchableSources implements Sources { 34 35 // set to true to enable the more verbose debug logging for this file 36 private static final boolean DBG = false; 37 private static final String TAG = "QSB.SearchableSources"; 38 39 private final Context mContext; 40 private final SearchManager mSearchManager; 41 42 // All suggestion sources, by name. 43 private HashMap<String, Source> mSources; 44 45 // The web search source to use. 46 private Source mWebSearchSource; 47 48 /** 49 * 50 * @param context Used for looking up source information etc. 51 */ SearchableSources(Context context)52 public SearchableSources(Context context) { 53 mContext = context; 54 mSearchManager = (SearchManager) context.getSystemService(Context.SEARCH_SERVICE); 55 } 56 getContext()57 protected Context getContext() { 58 return mContext; 59 } 60 getSearchManager()61 protected SearchManager getSearchManager() { 62 return mSearchManager; 63 } 64 getSources()65 public Collection<Source> getSources() { 66 return mSources.values(); 67 } 68 getSource(String name)69 public Source getSource(String name) { 70 return mSources.get(name); 71 } 72 getWebSearchSource()73 public Source getWebSearchSource() { 74 return mWebSearchSource; 75 } 76 77 /** 78 * Updates the list of suggestion sources. 79 */ update()80 public void update() { 81 if (DBG) Log.d(TAG, "update()"); 82 mSources = new HashMap<String,Source>(); 83 84 addSearchableSources(); 85 86 mWebSearchSource = createWebSearchSource(); 87 addSource(mWebSearchSource); 88 } 89 addSearchableSources()90 private void addSearchableSources() { 91 List<SearchableInfo> searchables = mSearchManager.getSearchablesInGlobalSearch(); 92 if (searchables == null) { 93 Log.e(TAG, "getSearchablesInGlobalSearch() returned null"); 94 return; 95 } 96 for (SearchableInfo searchable : searchables) { 97 SearchableSource source = createSearchableSource(searchable); 98 if (source != null) { 99 if (DBG) Log.d(TAG, "Created source " + source); 100 addSource(source); 101 } 102 } 103 } 104 addSource(Source source)105 private void addSource(Source source) { 106 mSources.put(source.getName(), source); 107 } 108 createWebSearchSource()109 protected Source createWebSearchSource() { 110 return QsbApplication.get(getContext()).getGoogleSource(); 111 } 112 createSearchableSource(SearchableInfo searchable)113 protected SearchableSource createSearchableSource(SearchableInfo searchable) { 114 if (searchable == null) return null; 115 try { 116 return new SearchableSource(mContext, searchable); 117 } catch (NameNotFoundException ex) { 118 Log.e(TAG, "Source not found: " + ex); 119 return null; 120 } 121 } 122 createSourceFor(ComponentName component)123 public Source createSourceFor(ComponentName component) { 124 SearchableInfo info = mSearchManager.getSearchableInfo(component); 125 SearchableSource source = createSearchableSource(info); 126 if (DBG) Log.d(TAG, "SearchableSource for " + component + ": " + source); 127 return source; 128 } 129 } 130