ppapi/thunk/ppb_file_io_api.h

   1 // Copyright (c) 2012 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_THUNK_PPB_FILE_IO_API_H_
   6 #define PPAPI_THUNK_PPB_FILE_IO_API_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "ppapi/c/ppb_file_io.h"
  10 #include "ppapi/thunk/ppapi_thunk_export.h"
  11
  12 namespace ppapi {
  13
  14 class TrackedCallback;
  15
  16 namespace thunk {
  17
  18 class PPAPI_THUNK_EXPORT PPB_FileIO_API {
  19  public:
  20   virtual ~PPB_FileIO_API() {}
  21
  22   virtual int32_t Open(PP_Resource file_ref,
  23                        int32_t open_flags,
  24                        scoped_refptr<TrackedCallback> callback) = 0;
  25   virtual int32_t Query(PP_FileInfo* info,
  26                         scoped_refptr<TrackedCallback> callback) = 0;
  27   virtual int32_t Touch(PP_Time last_access_time,
  28                         PP_Time last_modified_time,
  29                         scoped_refptr<TrackedCallback> callback) = 0;
  30   virtual int32_t Read(int64_t offset,
  31                        char* buffer,
  32                        int32_t bytes_to_read,
  33                        scoped_refptr<TrackedCallback> callback) = 0;
  34   virtual int32_t ReadToArray(int64_t offset,
  35                               int32_t max_read_length,
  36                               PP_ArrayOutput* buffer,
  37                               scoped_refptr<TrackedCallback> callback) = 0;
  38   virtual int32_t Write(int64_t offset,
  39                         const char* buffer,
  40                         int32_t bytes_to_write,
  41                         scoped_refptr<TrackedCallback> callback) = 0;
  42   virtual int32_t SetLength(int64_t length,
  43                             scoped_refptr<TrackedCallback> callback) = 0;
  44   virtual int32_t Flush(scoped_refptr<TrackedCallback> callback) = 0;
  45   virtual void Close() = 0;
  46
  47   // Trusted API.
  48   virtual int32_t GetOSFileDescriptor() = 0;
  49   virtual int32_t WillWrite(int64_t offset,
  50                             int32_t bytes_to_write,
  51                             scoped_refptr<TrackedCallback> callback) = 0;
  52   virtual int32_t WillSetLength(int64_t length,
  53                                 scoped_refptr<TrackedCallback> callback) = 0;
  54 };
  55
  56 }  // namespace thunk
  57 }  // namespace ppapi
  58
  59 #endif  // PPAPI_THUNK_PPB_FILE_IO_API_H_