/**
* Return the folder where the file will be placed
*
* @param chunk The chunk
*/
private String BuildDirPath(ResponseSongFileChunk chunk) {
String defaultPath = Environment.getExternalStorageDirectory() + "/ClementineMusic";
String path = mSharedPref.getString(App.SP_DOWNLOAD_DIR, defaultPath);
StringBuilder sb = new StringBuilder();
sb.append(path);
sb.append(File.separator);
if (mIsPlaylist && mCreatePlaylistDir) {
sb.append(Utilities.removeInvalidFileCharacters(mPlaylistName));
sb.append(File.separator);
}
// Create artist/album subfolder only when we have no playlist
// or user set the settings
if (!mIsPlaylist || mIsPlaylist && mCreatePlaylistArtistDir) {
// Append artist name
if (chunk.getSongMetadata().getAlbumartist().length() == 0) {
sb.append(Utilities.removeInvalidFileCharacters(chunk.getSongMetadata().getArtist()));
} else {
sb.append(Utilities.removeInvalidFileCharacters(chunk.getSongMetadata().getAlbumartist()));
}
// append album
sb.append(File.separator);
sb.append(Utilities.removeInvalidFileCharacters(chunk.getSongMetadata().getAlbum()));
}
return sb.toString();
}
/**
* Build the filename
*
* @param chunk The SongFileChunk
* @return /sdcard/Music/Artist/Album/file.mp3
*/
private String BuildFilePath(ResponseSongFileChunk chunk) {
StringBuilder sb = new StringBuilder();
sb.append(BuildDirPath(chunk));
sb.append(File.separator);
sb.append(Utilities.removeInvalidFileCharacters(chunk.getSongMetadata().getFilename()));
return sb.toString();
}
@Override
protected DownloaderResult doInBackground(ClementineMessage... params) {
if (mSharedPref.getBoolean(App.SP_WIFI_ONLY, false) && !Utilities.onWifi(mContext)) {
return new DownloaderResult(DownloaderResult.DownloadResult.ONLY_WIFI);
}
// First create a connection
if (!connect()) {
return new DownloaderResult(DownloaderResult.DownloadResult.CONNECTION_ERROR);
}
// Start the download
return startDownloading(params[0]);
}
@Override
public void OnLibraryDownloadFinished(DownloaderResult result) {
mProgressDialog.dismiss();
App.libraryDownloader = null;
if (result.getResult() == DownloadResult.SUCCESSFUL) {
if (mLibrary != null) {
mLibrary.closeDatabase();
}
mLibrary = new MyLibrary(getActivity());
mLibrary.openDatabase();
LibraryAdapter a =
new LibraryAdapter(
getActivity(), mLibrary.getArtists(), mLibrary, MyLibrary.LVL_ARTIST);
mAdapters.add(a);
showList();
} else {
Utilities.ShowMessageDialog(
getActivity(), R.string.library_download_error, result.getMessageId());
}
}
/** Start the Download */
private DownloaderResult startDownloading(ClementineMessage clementineMessage) {
boolean downloadFinished = false;
DownloaderResult result = new DownloaderResult(DownloadResult.SUCCESSFUL);
File f = null;
FileOutputStream fo = null;
publishProgress(0);
// Now request the songs
mClient.sendRequest(clementineMessage);
while (!downloadFinished) {
// Check if the user canceled the process
if (isCancelled()) {
// Close the stream and delete the incomplete file
try {
if (fo != null) {
fo.flush();
fo.close();
}
if (f != null) {
f.delete();
}
} catch (IOException e) {
}
Log.d(TAG, "isCancelled");
break;
}
// Get the raw protocol buffer
ClementineMessage message = mClient.getProtoc();
if (message.isErrorMessage()) {
result = new DownloaderResult(DownloadResult.CONNECTION_ERROR);
break;
}
// Is the download forbidden?
if (message.getMessageType() == MsgType.DISCONNECT) {
result = new DownloaderResult(DownloadResult.FOBIDDEN);
break;
}
// Ignore other elements!
if (message.getMessageType() != MsgType.LIBRARY_CHUNK) {
continue;
}
ResponseLibraryChunk chunk = message.getMessage().getResponseLibraryChunk();
try {
// Check if we need to create a new file
if (f == null) {
// Check if we have enougth free space
// size times 2, because we optimise the table later and
// need space for that too!
if ((chunk.getSize() * 2) > Utilities.getFreeSpaceExternal()) {
result = new DownloaderResult(DownloadResult.INSUFFIANT_SPACE);
break;
}
f = mLibrary.getLibraryDb();
// User wants to override files, so delete it here!
// The check was already done in processSongOffer()
if (f.exists()) {
f.delete();
}
f.createNewFile();
fo = new FileOutputStream(f);
}
// Write chunk to sdcard
fo.write(chunk.getData().toByteArray());
// Have we downloaded all chunks?
if (chunk.getChunkCount() == chunk.getChunkNumber()) {
fo.flush();
fo.close();
f = null;
downloadFinished = true;
}
// Update notification
updateProgress(chunk);
} catch (IOException e) {
result = new DownloaderResult(DownloaderResult.DownloadResult.NOT_MOUNTED);
break;
}
}
// Disconnect at the end
mClient.disconnect(ClementineMessage.getMessage(MsgType.DISCONNECT));
// Optimize library table
if (mLibrary.getLibraryDb().exists()) {
mLibrary.optimizeTable();
}
return result;
}
/** Start the Downlaod */
private DownloaderResult startDownloading(ClementineMessage clementineMessage) {
boolean downloadFinished = false;
DownloaderResult result = new DownloaderResult(DownloadResult.SUCCESSFUL);
File f = null;
FileOutputStream fo = null;
// Do we have a playlist?
mIsPlaylist =
(clementineMessage.getMessage().getRequestDownloadSongs().getDownloadItem()
== DownloadItem.APlaylist);
if (mIsPlaylist) {
int id = clementineMessage.getMessage().getRequestDownloadSongs().getPlaylistId();
mPlaylistName = App.mClementine.getPlaylistManager().getPlaylist(id).getName();
}
publishProgress(0);
// Now request the songs
mClient.sendRequest(clementineMessage);
while (!downloadFinished) {
// Check if the user canceled the process
if (isCancelled()) {
// Close the stream and delete the incomplete file
try {
if (fo != null) {
fo.flush();
fo.close();
}
if (f != null) {
f.delete();
}
} catch (IOException e) {
}
break;
}
// Get the raw protocol buffer
ClementineMessage message = mClient.getProtoc();
// Check if an error occured
if (message == null || message.isErrorMessage()) {
result = new DownloaderResult(DownloadResult.CONNECTION_ERROR);
break;
}
// Is the download forbidden?
if (message.getMessageType() == MsgType.DISCONNECT) {
result = new DownloaderResult(DownloadResult.FOBIDDEN);
break;
}
// Download finished?
if (message.getMessageType() == MsgType.DOWNLOAD_QUEUE_EMPTY) {
break;
}
// Ignore other elements!
if (message.getMessageType() != MsgType.SONG_FILE_CHUNK) {
continue;
}
ResponseSongFileChunk chunk = message.getMessage().getResponseSongFileChunk();
// If we received chunk no 0, then we have to decide wether to
// accept the song offered or not
if (chunk.getChunkNumber() == 0) {
processSongOffer(chunk);
// Update progress here to. If the first (and only) file exists and shall not be
// overriten, the notification bar shows NULL.
mCurrentSong = MySong.fromProtocolBuffer(chunk.getSongMetadata());
publishProgress(mCurrentProgress);
continue;
}
try {
// Check if we need to create a new file
if (f == null) {
// Check if we have enougth free space
if (chunk.getSize() > Utilities.getFreeSpaceExternal()) {
result = new DownloaderResult(DownloadResult.INSUFFIANT_SPACE);
break;
}
File dir = new File(BuildDirPath(chunk));
f = new File(BuildFilePath(chunk));
// User wants to override files, so delete it here!
// The check was already done in processSongOffer()
if (f.exists()) {
f.delete();
}
dir.mkdirs();
f.createNewFile();
fo = new FileOutputStream(f);
// File for download fragment
mFileUri = Uri.fromFile(f);
}
// Write chunk to sdcard
fo.write(chunk.getData().toByteArray());
// Have we downloaded all chunks?
if (chunk.getChunkCount() == chunk.getChunkNumber()) {
// Index file
MediaScannerConnection.scanFile(mContext, new String[] {f.getAbsolutePath()}, null, null);
fo.flush();
fo.close();
f = null;
}
// Update notification
updateProgress(chunk);
} catch (IOException e) {
result = new DownloaderResult(DownloaderResult.DownloadResult.NOT_MOUNTED);
break;
}
}
// Disconnect at the end
mClient.disconnect(ClementineMessage.getMessage(MsgType.DISCONNECT));
return result;
}