/** Returns true if there is at least one Feed in the downloads queue. */
public synchronized boolean isDownloadingFeeds() {
for (DownloadRequest r : downloads.values()) {
if (r.getFeedfileType() == Feed.FEEDFILETYPE_FEED) {
return true;
}
}
return false;
}
/**
* Returns true if a filename is available and false if it has already been taken by another
* requested download.
*/
private boolean isFilenameAvailable(String path) {
for (String key : downloads.keySet()) {
DownloadRequest r = downloads.get(key);
if (StringUtils.equals(r.getDestination(), path)) {
if (BuildConfig.DEBUG) Log.d(TAG, path + " is already used by another requested download");
return false;
}
}
if (BuildConfig.DEBUG) Log.d(TAG, path + " is available as a download destination");
return true;
}
/**
* Starts a new download with the given DownloadRequest. This method should only be used from
* outside classes if the DownloadRequest was created by the DownloadService to ensure that the
* data is valid. Use downloadFeed(), downloadImage() or downloadMedia() instead.
*
* @param context Context object for starting the DownloadService
* @param request The DownloadRequest. If another DownloadRequest with the same source URL is
* already stored, this method call will return false.
* @return True if the download request was accepted, false otherwise.
*/
public synchronized boolean download(Context context, DownloadRequest request) {
Validate.notNull(context);
Validate.notNull(request);
if (downloads.containsKey(request.getSource())) {
if (BuildConfig.DEBUG) Log.i(TAG, "DownloadRequest is already stored.");
return false;
}
downloads.put(request.getSource(), request);
Intent launchIntent = new Intent(context, DownloadService.class);
launchIntent.putExtra(DownloadService.EXTRA_REQUEST, request);
context.startService(launchIntent);
EventDistributor.getInstance().sendDownloadQueuedBroadcast();
return true;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
Holder holder;
Downloader downloader = getItem(position);
DownloadRequest request = downloader.getDownloadRequest();
// Inflate layout
if (convertView == null) {
holder = new Holder();
LayoutInflater inflater =
(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = inflater.inflate(R.layout.downloadlist_item, parent, false);
holder.title = (TextView) convertView.findViewById(R.id.txtvTitle);
holder.downloaded = (TextView) convertView.findViewById(R.id.txtvDownloaded);
holder.percent = (TextView) convertView.findViewById(R.id.txtvPercent);
holder.progbar = (ProgressBar) convertView.findViewById(R.id.progProgress);
holder.butSecondary = (ImageButton) convertView.findViewById(R.id.butSecondaryAction);
convertView.setTag(holder);
} else {
holder = (Holder) convertView.getTag();
}
if (position == selectedItemIndex) {
convertView.setBackgroundColor(
ContextCompat.getColor(
convertView.getContext(), ThemeUtils.getSelectionBackgroundColor()));
} else {
convertView.setBackgroundResource(0);
}
holder.title.setText(request.getTitle());
holder.progbar.setIndeterminate(request.getSoFar() <= 0);
String strDownloaded = Converter.byteToString(request.getSoFar());
if (request.getSize() != DownloadStatus.SIZE_UNKNOWN) {
strDownloaded += " / " + Converter.byteToString(request.getSize());
holder.percent.setText(request.getProgressPercent() + "%");
holder.progbar.setProgress(request.getProgressPercent());
holder.percent.setVisibility(View.VISIBLE);
} else {
holder.progbar.setProgress(0);
holder.percent.setVisibility(View.INVISIBLE);
}
holder.downloaded.setText(strDownloaded);
holder.butSecondary.setFocusable(false);
holder.butSecondary.setTag(downloader);
holder.butSecondary.setOnClickListener(butSecondaryListener);
return convertView;
}
/** Remove an object from the downloads-list of the requester. */
public synchronized void removeDownload(DownloadRequest r) {
if (downloads.remove(r.getSource()) == null) {
Log.e(TAG, "Could not remove object with url " + r.getSource());
}
}