ppapi/thunk/ppb_resource_array_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/thunk/enter.h"
   6 #include "ppapi/thunk/ppb_resource_array_api.h"
   7 #include "ppapi/thunk/resource_creation_api.h"
   8 #include "ppapi/thunk/thunk.h"
   9
  10 namespace ppapi {
  11 namespace thunk {
  12
  13 namespace {
  14
  15 PP_Resource Create(PP_Instance instance,
  16                    const PP_Resource elements[],
  17                    uint32_t size) {
  18   EnterResourceCreation enter(instance);
  19   if (enter.failed())
  20     return 0;
  21   return enter.functions()->CreateResourceArray(instance, elements, size);
  22 }
  23
  24 PP_Bool IsResourceArray(PP_Resource resource) {
  25   EnterResource<PPB_ResourceArray_API> enter(resource, false);
  26   return enter.succeeded() ? PP_TRUE : PP_FALSE;
  27 }
  28
  29 uint32_t GetSize(PP_Resource resource_array) {
  30   EnterResource<PPB_ResourceArray_API> enter(resource_array, true);
  31   return enter.succeeded() ? enter.object()->GetSize() : 0;
  32 }
  33
  34 PP_Resource GetAt(PP_Resource resource_array, uint32_t index) {
  35   EnterResource<PPB_ResourceArray_API> enter(resource_array, true);
  36   return enter.succeeded() ? enter.object()->GetAt(index) : 0;
  37 }
  38
  39 const PPB_ResourceArray_Dev g_ppb_resource_array_thunk = {
  40   &Create,
  41   &IsResourceArray,
  42   &GetSize,
  43   &GetAt
  44 };
  45
  46 }  // namespace
  47
  48 const PPB_ResourceArray_Dev_0_1* GetPPB_ResourceArray_Dev_0_1_Thunk() {
  49   return &g_ppb_resource_array_thunk;
  50 }
  51
  52 }  // namespace thunk
  53 }  // namespace ppapi