/** {@inheritDoc} */
@Override
public List<Album> loadInBackground() {
final ArrayList<Album> mAlbumsList = Lists.newArrayList();
// Create the Cursor
Cursor mCursor;
try {
mCursor = makeCursor(getContext());
} catch (Throwable e) {
return Collections.EMPTY_LIST;
}
// Gather the data
if (mCursor != null && mCursor.moveToFirst()) {
do {
mAlbumsList.add(getAlbumEntryFromCursor(mCursor));
// String an = mCursor.getString(1) != null ? mCursor.getString(1) : "n/a";
// String art = mCursor.getString(2) != null ? mCursor.getString(2) : "n/a";
// LOGGER.info("Adding id: " + mCursor.getLong(0) + " - albumName: " + an + " - artist: " +
// art);
} while (mCursor.moveToNext());
}
// Close the cursor
if (mCursor != null) {
mCursor.close();
}
return mAlbumsList;
}
/**
* This {@link ArrayAdapter} is used to display the albums for a particular artist for {@link
* ArtistAlbumFragment} .
*
* @author Andrew Neal ([email protected])
*/
public class ArtistAlbumAdapter extends ArrayAdapter<Album> {
/** The header view */
private static final int ITEM_VIEW_TYPE_HEADER = 0;
/** * The data in the list. */
private static final int ITEM_VIEW_TYPE_MUSIC = 1;
/** Number of views (ImageView, TextView, header) */
private static final int VIEW_TYPE_COUNT = 3;
/** LayoutInflater */
private final LayoutInflater mInflater;
/** Fake header */
private final View mHeader;
/** The resource Id of the layout to inflate */
private final int mLayoutId;
/** Image cache and image fetcher */
private final ImageFetcher mImageFetcher;
/** Used to set the size of the data in the adapter */
private List<Album> mCount = Lists.newArrayList();
/**
* Constructor of <code>ArtistAlbumAdapter</code>
*
* @param context The {@link Context} to use
* @param layoutId The resource Id of the view to inflate.
*/
public ArtistAlbumAdapter(final Activity context, final int layoutId) {
super(context, 0);
// Used to create the custom layout
mInflater = LayoutInflater.from(context);
// Cache the header
mHeader = mInflater.inflate(R.layout.faux_carousel, null);
// Get the layout Id
mLayoutId = layoutId;
// Initialize the cache & image fetcher
mImageFetcher = ApolloUtils.getImageFetcher(context);
}
/** {@inheritDoc} */
@Override
public View getView(final int position, View convertView, final ViewGroup parent) {
// Return a faux header at position 0
if (position == 0) {
return mHeader;
}
// Recycle MusicHolder's items
MusicHolder holder;
if (convertView == null) {
convertView = LayoutInflater.from(getContext()).inflate(mLayoutId, parent, false);
holder = new MusicHolder(convertView);
// Remove the background layer
holder.mOverlay.get().setBackgroundColor(0);
convertView.setTag(holder);
} else {
holder = (MusicHolder) convertView.getTag();
}
// Retrieve the album
final Album album = getItem(position - 1);
final String albumName = album.mAlbumName;
// Set each album name (line one)
holder.mLineOne.get().setText(albumName);
// Set the number of songs (line two)
holder
.mLineTwo
.get()
.setText(MusicUtils.makeLabel(getContext(), R.plurals.Nsongs, album.mSongNumber));
// Set the album year (line three)
holder.mLineThree.get().setText(album.mYear);
// Asynchronously load the album images into the adapter
mImageFetcher.loadAlbumImage(album.mArtistName, albumName, album.mAlbumId, holder.mImage.get());
// Play the album when the artwork is touched
playAlbum(holder.mImage.get(), position);
return convertView;
}
/** {@inheritDoc} */
@Override
public boolean hasStableIds() {
return true;
}
/** {@inheritDoc} */
@Override
public int getCount() {
final int size = mCount.size();
return size == 0 ? 0 : size + 1;
}
/** {@inheritDoc} */
@Override
public long getItemId(final int position) {
if (position == 0) {
return -1;
}
return position - 1;
}
/** {@inheritDoc} */
@Override
public int getViewTypeCount() {
return VIEW_TYPE_COUNT;
}
/** {@inheritDoc} */
@Override
public int getItemViewType(final int position) {
if (position == 0) {
return ITEM_VIEW_TYPE_HEADER;
}
return ITEM_VIEW_TYPE_MUSIC;
}
/**
* Starts playing an album if the user touches the artwork in the list.
*
* @param album The {@link ImageView} holding the album
* @param position The position of the album to play.
*/
private void playAlbum(final ImageView album, final int position) {
album.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(final View v) {
final long id = getItem(position - 1).mAlbumId;
final long[] list = MusicUtils.getSongListForAlbum(getContext(), id);
MusicUtils.playAll(getContext(), list, 0, false);
}
});
}
/** Method that unloads and clears the items in the adapter */
public void unload() {
clear();
}
/** @param pause True to temporarily pause the disk cache, false otherwise. */
public void setPauseDiskCache(final boolean pause) {
if (mImageFetcher != null) {
mImageFetcher.setPauseDiskCache(pause);
}
}
/** @param album The key used to find the cached album to remove */
public void removeFromCache(final Album album) {
if (mImageFetcher != null) {
mImageFetcher.removeFromCache(
ImageFetcher.generateAlbumCacheKey(album.mAlbumName, album.mArtistName));
}
}
/** @param data The {@link List} used to return the count for the adapter. */
public void setCount(final List<Album> data) {
mCount = data;
}
/** Flushes the disk cache. */
public void flush() {
mImageFetcher.flush();
}
}
/**
* Used to query {@link MediaStore.Audio.Media.EXTERNAL_CONTENT_URI} and return the Song for a
* particular album.
*
* @author Andrew Neal ([email protected])
*/
public class AlbumSongLoader extends WrappedAsyncTaskLoader<List<Song>> {
/**
* @param context The {@link Context} to use.
* @param albumId The Id of the album the songs belong to.
* @return The {@link Cursor} used to run the query.
*/
public static final Cursor makeAlbumSongCursor(final Context context, final Long albumId) {
// Match the songs up with the artist
final StringBuilder selection = new StringBuilder();
selection.append(AudioColumns.IS_MUSIC + "=1");
selection.append(" AND " + MediaColumns.TITLE + " != ''");
selection.append(" AND " + AudioColumns.ALBUM_ID + "=" + albumId);
return context
.getContentResolver()
.query(
MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
new String[] {
/* 0 */
BaseColumns._ID,
/* 1 */
MediaColumns.TITLE,
/* 2 */
AudioColumns.ARTIST,
/* 3 */
AudioColumns.ALBUM,
/* 4 */
AudioColumns.DURATION
},
selection.toString(),
null,
PreferenceUtils.getInstace(context).getAlbumSongSortOrder());
}
/** The Id of the album the songs belong to. */
private final Long mAlbumID;
/** The {@link Cursor} used to run the query. */
private Cursor mCursor;
/** The result */
private final ArrayList<Song> mSongList = Lists.newArrayList();
/**
* Constructor of <code>AlbumSongHandler</code>
*
* @param context The {@link Context} to use.
* @param albumId The Id of the album the songs belong to.
*/
public AlbumSongLoader(final Context context, final Long albumId) {
super(context);
mAlbumID = albumId;
}
/** {@inheritDoc} */
@Override
public List<Song> loadInBackground() {
// Create the Cursor
mCursor = makeAlbumSongCursor(getContext(), mAlbumID);
// Gather the data
if (mCursor != null && mCursor.moveToFirst()) {
do {
// Copy the song Id
final String id = mCursor.getString(0);
// Copy the song name
final String songName = mCursor.getString(1);
// Copy the artist name
final String artist = mCursor.getString(2);
// Copy the album name
final String album = mCursor.getString(3);
// Copy the duration
final String duration = mCursor.getString(4);
// Make the duration label
final int seconds = Integer.valueOf(duration != null ? duration : "0") / 1000;
final String durationFormatted = MusicUtils.makeTimeString(getContext(), seconds);
// Create a new song
final Song song = new Song(id, songName, artist, album, durationFormatted);
// Add everything up
mSongList.add(song);
} while (mCursor.moveToNext());
}
// Close the cursor
if (mCursor != null) {
mCursor.close();
mCursor = null;
}
return mSongList;
}
}
/** * Used to return the current playlist or queue. * * @author Andrew Neal ([email protected]) */ public class QueueLoader extends WrappedAsyncTaskLoader<List<Song>> { /** The result */ private final ArrayList<Song> mSongList = Lists.newArrayList(); /** The {@link Cursor} used to run the query. */ private NowPlayingCursor mCursor; /** * Constructor of <code>QueueLoader</code> * * @param context The {@link Context} to use */ public QueueLoader(final Context context) { super(context); } /** {@inheritDoc} */ @Override public List<Song> loadInBackground() { // Create the Cursor mCursor = new NowPlayingCursor(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 name final String album = mCursor.getString(3); // Copy the duration final long duration = mCursor.getLong(4); // Convert the duration into seconds final int durationInSecs = (int) duration / 1000; // Create a new song final Song song = new Song(id, songName, artist, album, durationInSecs); // Add everything up mSongList.add(song); } while (mCursor.moveToNext()); } // Close the cursor if (mCursor != null) { mCursor.close(); mCursor = null; } return mSongList; } /** * Creates the {@link Cursor} used to run the query. * * @param context The {@link Context} to use. * @return The {@link Cursor} used to run the song query. */ public static final Cursor makeQueueCursor(final Context context) { final Cursor cursor = new NowPlayingCursor(context); return cursor; } }
/**
* Used to query {@link MediaStore.Audio.Genres.EXTERNAL_CONTENT_URI} and return the genres on a
* user's device.
*
* @author Andrew Neal ([email protected])
*/
public class GenreLoader extends WrappedAsyncTaskLoader<List<Genre>> {
/** The result */
private final ArrayList<Genre> mGenreList = Lists.newArrayList();
/** The {@link Cursor} used to run the query. */
private Cursor mCursor;
/**
* Constructor of <code>GenreLoader</code>
*
* @param context The {@link Context} to use
*/
public GenreLoader(final Context context) {
super(context);
}
/** {@inheritDoc} */
@Override
public List<Genre> loadInBackground() {
// Create the Cursor
mCursor = makeGenreCursor(getContext());
// Gather the data
if (mCursor != null && mCursor.moveToFirst()) {
do {
// Copy the genre id
final long id = mCursor.getLong(0);
// Copy the genre name
final String name = mCursor.getString(1);
// Create a new genre
final Genre genre = new Genre(id, name);
// Add everything up
mGenreList.add(genre);
} while (mCursor.moveToNext());
}
// Close the cursor
if (mCursor != null) {
mCursor.close();
mCursor = null;
}
return mGenreList;
}
/**
* Creates the {@link Cursor} used to run the query.
*
* @param context The {@link Context} to use.
* @return The {@link Cursor} used to run the genre query.
*/
public static final Cursor makeGenreCursor(final Context context) {
final StringBuilder selection = new StringBuilder();
selection.append(MediaStore.Audio.Genres.NAME + " != ''");
return context
.getContentResolver()
.query(
MediaStore.Audio.Genres.EXTERNAL_CONTENT_URI,
new String[] {
/* 0 */
BaseColumns._ID,
/* 1 */
GenresColumns.NAME
},
selection.toString(),
null,
MediaStore.Audio.Genres.DEFAULT_SORT_ORDER);
}
}
