ppapi/cpp/array_output.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/cpp/array_output.h"
   6
   7 #include "ppapi/cpp/logging.h"
   8
   9 namespace pp {
  10
  11 // static
  12 void* ArrayOutputAdapterBase::GetDataBufferThunk(void* user_data,
  13                                                  uint32_t element_count,
  14                                                  uint32_t element_size) {
  15   return static_cast<ArrayOutputAdapterBase*>(user_data)->
  16       GetDataBuffer(element_count, element_size);
  17 }
  18
  19 VarArrayOutputAdapterWithStorage::VarArrayOutputAdapterWithStorage()
  20     : ArrayOutputAdapter<PP_Var>() {
  21   set_output(&temp_storage_);
  22 }
  23
  24 VarArrayOutputAdapterWithStorage::~VarArrayOutputAdapterWithStorage() {
  25   if (!temp_storage_.empty()) {
  26     // An easy way to release the var references held by this object.
  27     output();
  28   }
  29 }
  30
  31 std::vector<Var>& VarArrayOutputAdapterWithStorage::output() {
  32   PP_DCHECK(output_storage_.empty());
  33
  34   output_storage_.reserve(temp_storage_.size());
  35   for (size_t i = 0; i < temp_storage_.size(); i++)
  36     output_storage_.push_back(Var(PASS_REF, temp_storage_[i]));
  37   temp_storage_.clear();
  38   return output_storage_;
  39 }
  40
  41 }  // namespace pp