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Improve genre hack

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This commit is contained in:
Adrian Ulrich 2015-11-08 13:22:09 +01:00
parent cb8debb2f4
commit e7a9bb74c0
2 changed files with 19 additions and 18 deletions
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24
src/ch/blinkenlights/android/vanilla/MediaAdapter.java
View File

@ -259,7 +259,7 @@ public class MediaAdapter
* @param forceMusicCheck Force the is_music check to be added to the
* selection.
*/
private QueryTask buildQuery(String[] projection, boolean forceMusicCheck)
private QueryTask buildQuery(String[] projection, boolean returnSongs)
{
String constraint = mConstraint;
Limiter limiter = mLimiter;
@ -290,14 +290,17 @@ public class MediaAdapter
}
sb.append(" ELSE 0 END %1s");
sortStringRaw = sb.toString();
} else if (returnSongs && mType != MediaUtils.TYPE_SONG) {
// We are in a non-song adapter but requested to return songs - sorting
// can only be done by using the adapters default sort mode :-(
sortStringRaw = mSongSort;
}
String sort = String.format(sortStringRaw, sortDir);
if (mType == MediaUtils.TYPE_SONG || forceMusicCheck)
if (returnSongs || mType == MediaUtils.TYPE_SONG)
selection.append(MediaStore.Audio.Media.IS_MUSIC+" AND length(_data)");
if (constraint != null && constraint.length() != 0) {
String[] needles;
String[] keySource;
@ -338,19 +341,22 @@ public class MediaAdapter
}
}
QueryTask query;
if (limiter != null && limiter.type == MediaUtils.TYPE_GENRE) {
// Genre is not standard metadata for MediaStore.Audio.Media.
// We have to query it through a separate provider. : /
return MediaUtils.buildGenreQuery((Long)limiter.data, projection, selection.toString(), selectionArgs, sort, mType);
query = MediaUtils.buildGenreQuery((Long)limiter.data, projection, selection.toString(), selectionArgs, sort, mType, returnSongs);
} else {
if (limiter != null) {
if (selection.length() != 0)
selection.append(" AND ");
selection.append(limiter.data);
}
return new QueryTask(mStore, projection, selection.toString(), selectionArgs, sort);
query = new QueryTask(mStore, projection, selection.toString(), selectionArgs, sort);
if (returnSongs) // force query on song provider as we are requested to return songs
query.uri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
}
return query;
}
@Override
@ -375,12 +381,6 @@ public class MediaAdapter
{
QueryTask query = buildQuery(projection, true);
query.type = mType;
if (mType != MediaUtils.TYPE_SONG) {
query.uri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
// Would be better to match the sort order in the adapter. This
// is likely to require significantly more work though.
query.sortOrder = mSongSort;
}
return query;
}

13
src/ch/blinkenlights/android/vanilla/MediaUtils.java
View File

@ -191,9 +191,10 @@ public class MediaUtils {
* @param selection The selection to pass to the query, or null.
* @param selectionArgs The arguments to substitute into the selection.
* @param sort The sort order.
* @param type The media type to return
* @param type The media type to query and return
* @param returnSongs returns matching songs instead of `type' if true
*/
public static QueryTask buildGenreQuery(long id, String[] projection, String selection, String[] selectionArgs, String sort, int type)
public static QueryTask buildGenreQuery(long id, String[] projection, String selection, String[] selectionArgs, String sort, int type, boolean returnSongs)
{
// Note: This function works on a raw sql query with way too much internal
// knowledge about the mediaProvider SQL table layout. Yes: it's ugly.
@ -219,7 +220,7 @@ public class MediaUtils {
// Prefix the SELECTed rows with the current table authority name
for (int i=0 ;i<clonedProjection.length; i++) {
if (clonedProjection[i].equals("0") == false) // do not prefix fake rows
clonedProjection[i] = authority+"."+clonedProjection[i];
clonedProjection[i] = (returnSongs ? "audio" : authority)+"."+clonedProjection[i];
}
sql += TextUtils.join(", ", clonedProjection);
@ -230,10 +231,10 @@ public class MediaUtils {
sql += " AND("+selection.replaceAll(_FORCE_AUDIO_SRC, "$1audio.$2")+")";
if (type == TYPE_ARTIST)
sql += " AND(artist_info._id = audio.artist_id) GROUP BY artist_info._id";
sql += " AND(artist_info._id = audio.artist_id)" + (returnSongs ? "" : " GROUP BY artist_info._id");
if (type == TYPE_ALBUM)
sql += " AND(album_info._id = audio.album_id) GROUP BY album_info._id";
sql += " AND(album_info._id = audio.album_id)" + (returnSongs ? "" : " GROUP BY album_info._id");
if (sort != null && sort.length() > 0)
sql += " ORDER BY "+sort.replaceAll(_FORCE_AUDIO_SRC, "$1audio.$2");
@ -266,7 +267,7 @@ public class MediaUtils {
case TYPE_PLAYLIST:
return buildPlaylistQuery(id, projection, selection);
case TYPE_GENRE:
return buildGenreQuery(id, projection, selection, null, MediaStore.Audio.Genres.Members.TITLE_KEY, TYPE_SONG);
return buildGenreQuery(id, projection, selection, null, MediaStore.Audio.Genres.Members.TITLE_KEY, TYPE_SONG, true);
default:
throw new IllegalArgumentException("Specified type not valid: " + type);
}