1/*
2 * Copyright (C) 2014 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
18package android.support.v7.internal.app;
19
20import android.support.v7.app.ActionBar;
21import android.support.v7.internal.widget.AdapterViewCompat;
22import android.view.View;
23
24/**
25 * Wrapper to adapt the ActionBar.OnNavigationListener in an AdapterView.OnItemSelectedListener
26 * for use in Spinner widgets. Used by action bar implementations.
27 *
28 * @hide
29 */
30class NavItemSelectedListener implements AdapterViewCompat.OnItemSelectedListener {
31    private final ActionBar.OnNavigationListener mListener;
32
33    public NavItemSelectedListener(ActionBar.OnNavigationListener listener) {
34        mListener = listener;
35    }
36
37    @Override
38    public void onItemSelected(AdapterViewCompat<?> parent, View view, int position, long id) {
39        if (mListener != null) {
40            mListener.onNavigationItemSelected(position, id);
41        }
42    }
43
44    @Override
45    public void onNothingSelected(AdapterViewCompat<?> parent) {
46        // Do nothing
47    }
48}