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
17package com.example.android.musicservicedemo.browser;
18
19import android.os.AsyncTask;
20import android.util.Log;
21
22import org.json.JSONException;
23
24/**
25 * Asynchronous task to retrieve the music data using MusicProvider.
26 */
27public class MusicProviderTask extends AsyncTask<Void, Void, Void> {
28
29    private static final String TAG = "MusicProviderTask";
30
31    MusicProvider mMusicProvider;
32    MusicProviderTaskListener mMusicProviderTaskListener;
33
34    /**
35     * Initialize the task with the provider to download the music data and the
36     * listener to be informed when the task is done.
37     *
38     * @param musicProvider
39     * @param listener
40     */
41    public MusicProviderTask(MusicProvider musicProvider,
42            MusicProviderTaskListener listener) {
43        mMusicProvider = musicProvider;
44        mMusicProviderTaskListener = listener;
45    }
46
47    /*
48     * (non-Javadoc)
49     * @see android.os.AsyncTask#doInBackground(java.lang.Object[])
50     */
51    @Override
52    protected Void doInBackground(Void... arg0) {
53        try {
54            mMusicProvider.retreiveMedia();
55        } catch (JSONException e) {
56            Log.e(TAG, "::doInBackground:", e);
57        }
58        return null;
59    }
60
61    /*
62     * (non-Javadoc)
63     * @see android.os.AsyncTask#onPostExecute(java.lang.Object)
64     */
65    @Override
66    protected void onPostExecute(Void result) {
67        mMusicProviderTaskListener.onMusicProviderTaskCompleted();
68    }
69
70}
71