src/ppapi/thunk/ppb_file_mapping_api.h

   1 // Copyright 2014 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_MAPPING_API_H_
   6 #define PPAPI_THUNK_PPB_FILE_MAPPING_API_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "ppapi/c/pp_instance.h"
  11 #include "ppapi/c/ppb_file_mapping.h"
  12 #include "ppapi/shared_impl/singleton_resource_id.h"
  13 #include "ppapi/thunk/ppapi_thunk_export.h"
  14
  15 namespace ppapi {
  16
  17 class TrackedCallback;
  18
  19 namespace thunk {
  20
  21 class PPAPI_THUNK_EXPORT PPB_FileMapping_API {
  22  public:
  23   virtual ~PPB_FileMapping_API() {}
  24
  25   virtual int32_t Map(PP_Instance instance,
  26                       PP_Resource file_io,
  27                       int64_t length,
  28                       uint32_t map_protection,
  29                       uint32_t map_flags,
  30                       int64_t offset,
  31                       void** address,
  32                       scoped_refptr<TrackedCallback> callback) = 0;
  33   virtual int32_t Unmap(PP_Instance instance,
  34                         const void* address,
  35                         int64_t length,
  36                         scoped_refptr<TrackedCallback> callback) = 0;
  37   virtual int64_t GetMapPageSize(PP_Instance instance) = 0;
  38
  39   static const SingletonResourceID kSingletonResourceID =
  40       FILE_MAPPING_SINGLETON_ID;
  41 };
  42
  43 }  // namespace thunk
  44 }  // namespace ppapi
  45
  46 #endif  // PPAPI_THUNK_PPB_FILE_MAPPING_API_H_