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
17package com.android.contacts.widget;
18
19import android.content.Context;
20import android.util.AttributeSet;
21import 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 */
27public class NotifyingSpinner extends Spinner {
28
29    public interface SelectionListener {
30        void onSetSelection(NotifyingSpinner view, int position);
31    }
32
33    private SelectionListener mListener;
34
35    public NotifyingSpinner(Context context) {
36        super(context);
37    }
38
39    public NotifyingSpinner(Context context, AttributeSet attrs) {
40        super(context, attrs);
41    }
42
43    public void setSetSelectionListener(SelectionListener listener) {
44        mListener = listener;
45    }
46
47    @Override
48    public void setSelection(int position) {
49        super.setSelection(position);
50
51        if (mListener != null) {
52            mListener.onSetSelection(this, position);
53        }
54    }
55}
56