// Copyright (c) 2011 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 "chrome/browser/net/file_system_url_request_job_factory.h"

#include "chrome/browser/net/chrome_url_request_context.h"
#include "chrome/common/url_constants.h"
#include "content/browser/browser_thread.h"
#include "net/url_request/url_request.h"
#include "webkit/fileapi/file_system_url_request_job.h"
#include "webkit/fileapi/file_system_dir_url_request_job.h"

namespace {

net::URLRequestJob* FileSystemURLRequestJobFactory(net::URLRequest* request,
                                                   const std::string& scheme) {
  fileapi::FileSystemContext* file_system_context =
      static_cast<ChromeURLRequestContext*>(request->context())
          ->file_system_context();
  const std::string path = request->url().path();

  // If the path ends with a /, we know it's a directory. If the path refers
  // to a directory and gets dispatched to FileSystemURLRequestJob, that class
  // redirects back here, by adding a / to the URL.
  if (!path.empty() && path[path.size() - 1] == '/') {
    return new fileapi::FileSystemDirURLRequestJob(request, file_system_context,
        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE));
  }
  return new fileapi::FileSystemURLRequestJob(request, file_system_context,
      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE));
}

}  // anonymous namespace

void RegisterFileSystemURLRequestJobFactory() {
  net::URLRequest::RegisterProtocolFactory(chrome::kFileSystemScheme,
                                           &FileSystemURLRequestJobFactory);
}