/**
* Returns a successful buffer read request.
*
* <p>Note: This method is always called from the same I/O thread.
*/
private void returnBufferFromIOThread(Buffer buffer) {
final NotificationListener listener;
synchronized (lock) {
if (hasReachedEndOfFile || isReleased) {
buffer.recycle();
return;
}
returnedBuffers.add(buffer);
listener = registeredListener;
registeredListener = null;
// If this was the last buffer before we reached EOF, set the corresponding flag to
// ensure that further buffers are correctly recycled and eventually no further reads
// are triggered.
if (asyncFileReader.hasReachedEndOfFile()) {
hasReachedEndOfFile = true;
}
}
if (listener != null) {
listener.onNotification();
}
}
/** Notifies the view about an error. */
private void notifyError(IOException error) {
if (errorInIOThread == null) {
errorInIOThread = error;
}
final NotificationListener listener;
synchronized (lock) {
listener = registeredListener;
registeredListener = null;
}
if (listener != null) {
listener.onNotification();
}
}