components/translate/content/browser/data_file_browser_cld_data_provider.h

// Copyright 2014 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.

#ifndef COMPONENTS_TRANSLATE_CONTENT_BROWSER_DATA_FILE_BROWSER_CLD_DATA_PROVIDER_H_
#define COMPONENTS_TRANSLATE_CONTENT_BROWSER_DATA_FILE_BROWSER_CLD_DATA_PROVIDER_H_

#include "base/files/file.h"
#include "base/files/file_path.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "components/translate/content/browser/browser_cld_data_provider.h"

namespace translate {

class DataFileBrowserCldDataProvider : public BrowserCldDataProvider {
 public:
  explicit DataFileBrowserCldDataProvider(content::WebContents*);
  virtual ~DataFileBrowserCldDataProvider();
  // BrowserCldDataProvider implementations:
  virtual bool OnMessageReceived(const IPC::Message&) override;
  virtual void OnCldDataRequest() override;
  virtual void SendCldDataResponse() override;

 private:
  void SendCldDataResponseInternal(const base::File*,
                                   const uint64,
                                   const uint64);
  static void OnCldDataRequestInternal();

  content::WebContents* web_contents_;
  scoped_ptr<base::WeakPtrFactory<DataFileBrowserCldDataProvider> >
      weak_pointer_factory_;

  DISALLOW_COPY_AND_ASSIGN(DataFileBrowserCldDataProvider);
};

}  // namespace translate

#endif  // COMPONENTS_TRANSLATE_CONTENT_BROWSER_DATA_FILE_BROWSER_CLD_DATA_PROVIDER_H_