ppapi/thunk/ppb_file_ref_thunk.cc

   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 #include "ppapi/c/pp_file_info.h"
   6 #include "ppapi/c/ppb_file_ref.h"
   7 #include "ppapi/c/pp_completion_callback.h"
   8 #include "ppapi/c/pp_errors.h"
   9 #include "ppapi/c/private/ppb_file_ref_private.h"
  10 #include "ppapi/shared_impl/tracked_callback.h"
  11 #include "ppapi/thunk/enter.h"
  12 #include "ppapi/thunk/thunk.h"
  13 #include "ppapi/thunk/ppb_file_ref_api.h"
  14 #include "ppapi/thunk/resource_creation_api.h"
  15
  16 namespace ppapi {
  17 namespace thunk {
  18
  19 namespace {
  20
  21 typedef EnterResource<PPB_FileRef_API> EnterFileRef;
  22
  23 PP_Resource Create(PP_Resource file_system, const char* path) {
  24   Resource* object =
  25       PpapiGlobals::Get()->GetResourceTracker()->GetResource(file_system);
  26   if (!object)
  27     return 0;
  28   EnterResourceCreation enter(object->pp_instance());
  29   if (enter.failed())
  30     return 0;
  31   return enter.functions()->CreateFileRef(file_system, path);
  32 }
  33
  34 PP_Bool IsFileRef(PP_Resource resource) {
  35   EnterFileRef enter(resource, false);
  36   return PP_FromBool(enter.succeeded());
  37 }
  38
  39 PP_FileSystemType GetFileSystemType(PP_Resource file_ref) {
  40   EnterFileRef enter(file_ref, true);
  41   if (enter.failed())
  42     return PP_FILESYSTEMTYPE_INVALID;
  43   return enter.object()->GetFileSystemType();
  44 }
  45
  46 PP_Var GetName(PP_Resource file_ref) {
  47   EnterFileRef enter(file_ref, true);
  48   if (enter.failed())
  49     return PP_MakeUndefined();
  50   return enter.object()->GetName();
  51 }
  52
  53 PP_Var GetPath(PP_Resource file_ref) {
  54   EnterFileRef enter(file_ref, true);
  55   if (enter.failed())
  56     return PP_MakeUndefined();
  57   return enter.object()->GetPath();
  58 }
  59
  60 PP_Resource GetParent(PP_Resource file_ref) {
  61   EnterFileRef enter(file_ref, true);
  62   if (enter.failed())
  63     return 0;
  64   return enter.object()->GetParent();
  65 }
  66
  67 int32_t MakeDirectory(PP_Resource directory_ref,
  68                       PP_Bool make_ancestors,
  69                       PP_CompletionCallback callback) {
  70   EnterFileRef enter(directory_ref, callback, true);
  71   if (enter.failed())
  72     return enter.retval();
  73   return enter.SetResult(enter.object()->MakeDirectory(make_ancestors,
  74                                                        enter.callback()));
  75 }
  76
  77 int32_t Touch(PP_Resource file_ref,
  78               PP_Time last_access_time,
  79               PP_Time last_modified_time,
  80               PP_CompletionCallback callback) {
  81   EnterFileRef enter(file_ref, callback, true);
  82   if (enter.failed())
  83     return enter.retval();
  84   return enter.SetResult(enter.object()->Touch(
  85       last_access_time, last_modified_time, enter.callback()));
  86 }
  87
  88 int32_t Delete(PP_Resource file_ref,
  89                PP_CompletionCallback callback) {
  90   EnterFileRef enter(file_ref, callback, true);
  91   if (enter.failed())
  92     return enter.retval();
  93   return enter.SetResult(enter.object()->Delete(enter.callback()));
  94 }
  95
  96 int32_t Rename(PP_Resource file_ref,
  97                PP_Resource new_file_ref,
  98                PP_CompletionCallback callback) {
  99   EnterFileRef enter(file_ref, callback, true);
 100   if (enter.failed())
 101     return enter.retval();
 102   return enter.SetResult(enter.object()->Rename(new_file_ref,
 103                                                 enter.callback()));
 104 }
 105
 106 PP_Var GetAbsolutePath(PP_Resource file_ref) {
 107   EnterFileRef enter(file_ref, true);
 108   if (enter.failed())
 109     return PP_MakeUndefined();
 110   return enter.object()->GetAbsolutePath();
 111 }
 112
 113 const PPB_FileRef g_ppb_file_ref_thunk = {
 114   &Create,
 115   &IsFileRef,
 116   &GetFileSystemType,
 117   &GetName,
 118   &GetPath,
 119   &GetParent,
 120   &MakeDirectory,
 121   &Touch,
 122   &Delete,
 123   &Rename
 124 };
 125
 126 const PPB_FileRefPrivate g_ppb_file_ref_private_thunk = {
 127   &GetAbsolutePath
 128 };
 129
 130 }  // namespace
 131
 132 const PPB_FileRef_1_0* GetPPB_FileRef_1_0_Thunk() {
 133   return &g_ppb_file_ref_thunk;
 134 }
 135
 136 const PPB_FileRefPrivate_0_1* GetPPB_FileRefPrivate_0_1_Thunk() {
 137   return &g_ppb_file_ref_private_thunk;
 138 }
 139
 140 }  // namespace thunk
 141 }  // namespace ppapi