ppapi/cpp/trusted/file_io_trusted.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef PPAPI_CPP_TRUSTED_FILE_IO_TRUSTED_H_
   6 #define PPAPI_CPP_TRUSTED_FILE_IO_TRUSTED_H_
   7
   8 #include <string>
   9
  10 #include "ppapi/c/pp_stdint.h"
  11
  12 namespace pp {
  13
  14 class FileIO;
  15 class CompletionCallback;
  16
  17 class FileIO_Trusted {
  18  public:
  19   /// Creates a FileIO_Trusted object.
  20   FileIO_Trusted();
  21
  22   int32_t GetOSFileDescriptor(const FileIO& file_io);
  23
  24   int32_t WillWrite(const FileIO& file_io,
  25                     int64_t offset,
  26                     int32_t bytes_to_write,
  27                     const CompletionCallback& callback);
  28
  29   int32_t WillSetLength(const FileIO& file_io,
  30                         int64_t length,
  31                         const CompletionCallback& callback);
  32 };
  33
  34 }  // namespace pp
  35
  36 #endif  // PPAPI_CPP_TRUSTED_FILE_IO_TRUSTED_H_