// Copyright 2013 Google Inc. All Rights Reserved.

#ifndef WVCDM_CDM_CDM_HOST_FILE_H_
#define WVCDM_CDM_CDM_HOST_FILE_H_

#include "file_store.h"
#include "content_decryption_module.h"

namespace wvcdm {

class IFileFactory {
 protected:
  IFileFactory(){}
  virtual ~IFileFactory(){}
 public:
  virtual File::Impl* NewFileImpl () = 0;
};

class File::Impl {
 public:
  explicit Impl(cdm::Host* const host) : host_(host) {}
  FILE* file_;
  static void RegisterFileFactory(IFileFactory* factory) {
    factory_ = factory;
  }
  static IFileFactory* factory_;

  virtual bool Exists(const std::string& name);
  virtual bool Open(const std::string& name);
  virtual bool Close();
  virtual bool Remove(const std::string& name);
  virtual size_t Read(char* buffer, size_t bytes);
  virtual size_t Write(const char* buffer, size_t bytes);
  virtual size_t FileSize(const std::string& name);

 private:
  cdm::Host* const host_;
  std::string fname_;
};

} // namespace wvcdm

#endif // WVCDM_CDM_CDM_HOST_FILE_H_