/**
* Updates the current notification
*
* @param chunk The current downloaded chunk
*/
private void updateProgress(ResponseLibraryChunk chunk) {
// Update notification
double progress = ((double) chunk.getChunkNumber() / (double) chunk.getChunkCount()) * 100;
publishProgress((int) progress);
}
/** 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;
}
