ppapi/shared_impl/ppb_resource_array_shared.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/shared_impl/ppb_resource_array_shared.h"
   6
   7 #include "base/logging.h"
   8 #include "ppapi/shared_impl/ppapi_globals.h"
   9 #include "ppapi/shared_impl/resource_tracker.h"
  10
  11 using ppapi::thunk::PPB_ResourceArray_API;
  12
  13 namespace ppapi {
  14
  15 PPB_ResourceArray_Shared::PPB_ResourceArray_Shared(ResourceObjectType type,
  16                                                    PP_Instance instance,
  17                                                    const PP_Resource elements[],
  18                                                    uint32_t size)
  19     : Resource(type, instance) {
  20   DCHECK(resources_.empty());
  21
  22   resources_.reserve(size);
  23   for (uint32_t index = 0; index < size; ++index) {
  24     PP_Resource element = elements[index];
  25     if (element)
  26       PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(element);
  27     resources_.push_back(element);
  28   }
  29 }
  30
  31 PPB_ResourceArray_Shared::~PPB_ResourceArray_Shared() {
  32   for (std::vector<PP_Resource>::iterator iter = resources_.begin();
  33        iter != resources_.end(); ++iter) {
  34     if (*iter)
  35       PpapiGlobals::Get()->GetResourceTracker()->ReleaseResource(*iter);
  36   }
  37 }
  38
  39 PPB_ResourceArray_API* PPB_ResourceArray_Shared::AsPPB_ResourceArray_API() {
  40   return this;
  41 }
  42
  43 uint32_t PPB_ResourceArray_Shared::GetSize() {
  44   return static_cast<uint32_t>(resources_.size());
  45 }
  46
  47 PP_Resource PPB_ResourceArray_Shared::GetAt(uint32_t index) {
  48   return index < resources_.size() ? resources_[index] : 0;
  49 }
  50
  51 }  // namespace ppapi