// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "net/base/upload_data.h"

#include "base/bind.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/threading/worker_pool.h"

namespace net {

UploadData::UploadData()
    : identifier_(0),
      is_chunked_(false),
      last_chunk_appended_(false) {
}

void UploadData::AppendBytes(const char* bytes, int bytes_len) {
  DCHECK(!is_chunked_);
  if (bytes_len > 0) {
    elements_.push_back(new UploadElement());
    elements_.back()->SetToBytes(bytes, bytes_len);
  }
}

void UploadData::AppendFileRange(const FilePath& file_path,
                                 uint64 offset, uint64 length,
                                 const base::Time& expected_modification_time) {
  DCHECK(!is_chunked_);
  elements_.push_back(new UploadElement());
  elements_.back()->SetToFilePathRange(file_path, offset, length,
                                       expected_modification_time);
}

void UploadData::AppendChunk(const char* bytes,
                             int bytes_len,
                             bool is_last_chunk) {
  DCHECK(is_chunked_);
  DCHECK(!last_chunk_appended_);
  elements_.push_back(new UploadElement());
  elements_.back()->SetToBytes(bytes, bytes_len);
  last_chunk_appended_ = is_last_chunk;
  if (!chunk_callback_.is_null())
    chunk_callback_.Run();
}

void UploadData::set_chunk_callback(const base::Closure& callback) {
  chunk_callback_ = callback;
}

UploadData::~UploadData() {
}

}  // namespace net