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      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.ui;
     18 
     19 import com.android.quicksearchbox.R;
     20 import com.android.quicksearchbox.Suggestion;
     21 
     22 import android.content.Context;
     23 import android.provider.ContactsContract;
     24 import android.view.LayoutInflater;
     25 import android.view.View;
     26 import android.view.ViewGroup;
     27 
     28 /**
     29  * Inflates suggestion views.
     30  */
     31 public class SuggestionViewInflater implements SuggestionViewFactory {
     32 
     33     // The suggestion view classes that may be returned by this factory.
     34     private static final Class<?>[] SUGGESTION_VIEW_CLASSES = {
     35             DefaultSuggestionView.class,
     36             ContactSuggestionView.class,
     37     };
     38 
     39     // The layout ids associated with each of the above classes.
     40     private static final int[] SUGGESTION_VIEW_LAYOUTS = {
     41             R.layout.suggestion,
     42             R.layout.contact_suggestion,
     43     };
     44 
     45     private static final String CONTACT_LOOKUP_URI
     46             = ContactsContract.Contacts.CONTENT_LOOKUP_URI.toString();
     47 
     48     private final Context mContext;
     49 
     50     public SuggestionViewInflater(Context context) {
     51         mContext = context;
     52     }
     53 
     54     protected LayoutInflater getInflater() {
     55         return (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     56     }
     57 
     58     public int getSuggestionViewTypeCount() {
     59         return SUGGESTION_VIEW_CLASSES.length;
     60     }
     61 
     62     public int getSuggestionViewType(Suggestion suggestion) {
     63         return isContactSuggestion(suggestion) ? 1 : 0;
     64     }
     65 
     66     public SuggestionView getSuggestionView(int viewType, View convertView,
     67             ViewGroup parentViewType) {
     68         if (convertView == null || !convertView.getClass().equals(
     69                 SUGGESTION_VIEW_CLASSES[viewType])) {
     70             int layoutId = SUGGESTION_VIEW_LAYOUTS[viewType];
     71             convertView = getInflater().inflate(layoutId, parentViewType, false);
     72         }
     73         return (SuggestionView) convertView;
     74     }
     75 
     76     private boolean isContactSuggestion(Suggestion suggestion) {
     77         String intentData = suggestion.getSuggestionIntentDataString();
     78         return intentData != null && intentData.startsWith(CONTACT_LOOKUP_URI);
     79     }
     80 }
     81