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/*
* Copyright (C) 2012 Andrew Neal
* Copyright (C) 2014 The CyanogenMod Project
* Licensed under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law
* or agreed to in writing, software distributed under the License is
* distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package com.cyanogenmod.eleven.loaders;
import android.content.Context;
import android.database.Cursor;
import android.provider.BaseColumns;
import android.provider.MediaStore;
import android.provider.MediaStore.Audio.AudioColumns;
import com.cyanogenmod.eleven.model.Song;
import com.cyanogenmod.eleven.sectionadapter.SectionCreator;
import com.cyanogenmod.eleven.utils.Lists;
import com.cyanogenmod.eleven.utils.PreferenceUtils;
import java.util.ArrayList;
import java.util.List;
/**
* Used to query {@link MediaStore.Audio.Media.EXTERNAL_CONTENT_URI} and return
* the Song the user added over the past four of weeks.
*
* @author Andrew Neal (andrewdneal@gmail.com)
*/
public class LastAddedLoader extends SectionCreator.SimpleListLoader<Song> {
/**
* The result
*/
private final ArrayList<Song> mSongList = Lists.newArrayList();
/**
* The {@link Cursor} used to run the query.
*/
private Cursor mCursor;
/**
* Constructor of <code>LastAddedHandler</code>
*
* @param context The {@link Context} to use.
*/
public LastAddedLoader(final Context context) {
super(context);
}
/**
* {@inheritDoc}
*/
@Override
public List<Song> loadInBackground() {
// Create the xCursor
mCursor = makeLastAddedCursor(getContext());
// Gather the data
if (mCursor != null && mCursor.moveToFirst()) {
do {
// Copy the song Id
final long id = mCursor.getLong(0);
// Copy the song name
final String songName = mCursor.getString(1);
// Copy the artist name
final String artist = mCursor.getString(2);
// Copy the album id
final long albumId = mCursor.getLong(3);
// Copy the album name
final String album = mCursor.getString(4);
// Copy the duration
final long duration = mCursor.getLong(5);
// Convert the duration into seconds
final int durationInSecs = (int) duration / 1000;
// Grab the Song Year
final int year = mCursor.getInt(6);
// Create a new song
final Song song = new Song(id, songName, artist, album, albumId, durationInSecs, year);
// Add everything up
mSongList.add(song);
} while (mCursor.moveToNext());
}
// Close the cursor
if (mCursor != null) {
mCursor.close();
mCursor = null;
}
return mSongList;
}
/**
* @param context The {@link Context} to use.
* @return The {@link Cursor} used to run the song query.
*/
public static final Cursor makeLastAddedCursor(final Context context) {
// timestamp of four weeks ago
long fourWeeksAgo = (System.currentTimeMillis() / 1000) - (4 * 3600 * 24 * 7);
// possible saved timestamp caused by user "clearing" the last added playlist
long cutoff = PreferenceUtils.getInstance(context).getLastAddedCutoff() / 1000;
// use the most recent of the two timestamps
if(cutoff < fourWeeksAgo) { cutoff = fourWeeksAgo; }
String selection = (AudioColumns.IS_MUSIC + "=1") +
" AND " + AudioColumns.TITLE + " != ''" +
" AND " + MediaStore.Audio.Media.DATE_ADDED + ">" +
cutoff;
return context.getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
new String[] {
/* 0 */
BaseColumns._ID,
/* 1 */
AudioColumns.TITLE,
/* 2 */
AudioColumns.ARTIST,
/* 3 */
AudioColumns.ALBUM_ID,
/* 4 */
AudioColumns.ALBUM,
/* 5 */
AudioColumns.DURATION,
/* 6 */
AudioColumns.YEAR,
}, selection, null, MediaStore.Audio.Media.DATE_ADDED + " DESC");
}
}
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