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 17 package com.android.quicksearchbox.ui; 18 19 import com.android.quicksearchbox.Suggestion; 20 import com.android.quicksearchbox.SuggestionCursor; 21 22 import android.view.View; 23 import android.view.ViewGroup; 24 25 import java.util.Collection; 26 27 /** 28 * Factory interface for suggestion views. 29 */ 30 public interface SuggestionViewFactory { 31 32 /** 33 * Returns all the view types that are used by this factory. Each view type corresponds to a 34 * specific layout that is used to display suggestions. The returned set must have at least one 35 * item in it. 36 * 37 * View types must be unique across all suggestion view factories. 38 */ 39 Collection<String> getSuggestionViewTypes(); 40 41 /** 42 * Returns the view type to be used for displaying the given suggestion. This MUST correspond to 43 * one of the view types returned by {@link #getSuggestionViewTypes()}. 44 */ 45 String getViewType(Suggestion suggestion); 46 47 /** 48 * Gets a view corresponding to the current suggestion in the given cursor. 49 * 50 * @param convertView The old view to reuse, if possible. Note: You should check that this view 51 * is non-null and of an appropriate type before using. If it is not possible to convert 52 * this view to display the correct data, this method can create a new view. 53 * @param parent The parent that this view will eventually be attached to 54 * @return A View corresponding to the data within this suggestion. 55 */ 56 View getView(SuggestionCursor suggestion, String userQuery, View convertView, ViewGroup parent); 57 58 /** 59 * Checks whether this factory can create views for the given suggestion. 60 */ 61 boolean canCreateView(Suggestion suggestion); 62 63 } 64
