src/ppapi/shared_impl/ppb_device_ref_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_device_ref_shared.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "ppapi/shared_impl/host_resource.h"
   9 #include "ppapi/shared_impl/ppapi_globals.h"
  10 #include "ppapi/shared_impl/ppb_resource_array_shared.h"
  11 #include "ppapi/shared_impl/resource_tracker.h"
  12 #include "ppapi/shared_impl/var.h"
  13
  14 using ppapi::thunk::PPB_DeviceRef_API;
  15
  16 namespace ppapi {
  17
  18 DeviceRefData::DeviceRefData()
  19     : type(PP_DEVICETYPE_DEV_INVALID) {
  20 }
  21
  22 PPB_DeviceRef_Shared::PPB_DeviceRef_Shared(ResourceObjectType type,
  23                                            PP_Instance instance,
  24                                            const DeviceRefData& data)
  25     : Resource(type, instance),
  26       data_(data) {
  27 }
  28
  29 PPB_DeviceRef_API* PPB_DeviceRef_Shared::AsPPB_DeviceRef_API() {
  30   return this;
  31 }
  32
  33 const DeviceRefData& PPB_DeviceRef_Shared::GetDeviceRefData() const {
  34   return data_;
  35 }
  36
  37 PP_DeviceType_Dev PPB_DeviceRef_Shared::GetType() {
  38   return data_.type;
  39 }
  40
  41 PP_Var PPB_DeviceRef_Shared::GetName() {
  42   return StringVar::StringToPPVar(data_.name);
  43 }
  44
  45 // static
  46 PP_Resource PPB_DeviceRef_Shared::CreateResourceArray(
  47     ResourceObjectType type,
  48     PP_Instance instance,
  49     const std::vector<DeviceRefData>& devices) {
  50   scoped_ptr<PP_Resource[]> elements;
  51   size_t size = devices.size();
  52   if (size > 0) {
  53     elements.reset(new PP_Resource[size]);
  54     for (size_t index = 0; index < size; ++index) {
  55       PPB_DeviceRef_Shared* device_object =
  56           new PPB_DeviceRef_Shared(type, instance, devices[index]);
  57       elements[index] = device_object->GetReference();
  58     }
  59   }
  60   PPB_ResourceArray_Shared* array_object =
  61       new PPB_ResourceArray_Shared(type, instance, elements.get(),
  62                                    static_cast<uint32_t>(size));
  63
  64   for (size_t index = 0; index < size; ++index)
  65     PpapiGlobals::Get()->GetResourceTracker()->ReleaseResource(elements[index]);
  66
  67   return array_object->GetReference();
  68 }
  69
  70 }  // namespace ppapi