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.contacts.widget;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.widget.Spinner;
22 
23 /**
24  * Spinner that notifies a listener when the user taps on an item, whether or not this results
25  * in a change of selection.
26  */
27 public class NotifyingSpinner extends Spinner {
28 
29     public interface SelectionListener {
onSetSelection(NotifyingSpinner view, int position)30         void onSetSelection(NotifyingSpinner view, int position);
31     }
32 
33     private SelectionListener mListener;
34 
NotifyingSpinner(Context context)35     public NotifyingSpinner(Context context) {
36         super(context);
37     }
38 
NotifyingSpinner(Context context, AttributeSet attrs)39     public NotifyingSpinner(Context context, AttributeSet attrs) {
40         super(context, attrs);
41     }
42 
setSetSelectionListener(SelectionListener listener)43     public void setSetSelectionListener(SelectionListener listener) {
44         mListener = listener;
45     }
46 
47     @Override
setSelection(int position)48     public void setSelection(int position) {
49         super.setSelection(position);
50 
51         if (mListener != null) {
52             mListener.onSetSelection(this, position);
53         }
54     }
55 }
56