/**
* Disconnect from Clementine
*
* @param message The RequestDisconnect Object
*/
@Override
public void disconnect(ClementineMessage message) {
if (isConnected()) {
// Set the Connected flag to false, so the loop in
// checkForData() is interrupted
super.disconnect(message);
// and close the connection
closeConnection(message);
}
}
/**
* Connect to Clementine
*
* @return true if the connection was established, false if not
*/
private boolean connect() {
String ip = mSharedPref.getString(App.SP_KEY_IP, "");
int port;
try {
port =
Integer.valueOf(
mSharedPref.getString(App.SP_KEY_PORT, String.valueOf(Clementine.DefaultPort)));
} catch (NumberFormatException e) {
port = Clementine.DefaultPort;
}
int authCode = mSharedPref.getInt(App.SP_LAST_AUTH_CODE, 0);
return mClient.createConnection(
ClementineMessageFactory.buildConnectMessage(ip, port, authCode, false, true));
}
/**
* This method checks if the offered file exists and sends a response to Clementine. If the file
* does not exist -> Download file otherwise The user wants to override existing files -> Download
* file otherwise refuse file
*
* @param chunk The chunk with the metadata
* @return a boolean indicating if the song will be sent or not
*/
private boolean processSongOffer(ResponseSongFileChunk chunk) {
File f = new File(BuildFilePath(chunk));
boolean accept = true;
if (f.exists() && !mOverrideExistingFiles) {
accept = false;
}
mClient.sendRequest(ClementineMessageFactory.buildSongOfferResponse(accept));
// File for download fragment
if (f.exists()) {
mFileUri = Uri.fromFile(f);
}
return accept;
}
/** 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;
}
