diff options
Diffstat (limited to 'chromium/ppapi/cpp/array_output.cc')
-rw-r--r-- | chromium/ppapi/cpp/array_output.cc | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/chromium/ppapi/cpp/array_output.cc b/chromium/ppapi/cpp/array_output.cc new file mode 100644 index 00000000000..62252f72562 --- /dev/null +++ b/chromium/ppapi/cpp/array_output.cc @@ -0,0 +1,41 @@ +// Copyright (c) 2012 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "ppapi/cpp/array_output.h" + +#include "ppapi/cpp/logging.h" + +namespace pp { + +// static +void* ArrayOutputAdapterBase::GetDataBufferThunk(void* user_data, + uint32_t element_count, + uint32_t element_size) { + return static_cast<ArrayOutputAdapterBase*>(user_data)-> + GetDataBuffer(element_count, element_size); +} + +VarArrayOutputAdapterWithStorage::VarArrayOutputAdapterWithStorage() + : ArrayOutputAdapter<PP_Var>() { + set_output(&temp_storage_); +} + +VarArrayOutputAdapterWithStorage::~VarArrayOutputAdapterWithStorage() { + if (!temp_storage_.empty()) { + // An easy way to release the var references held by this object. + output(); + } +} + +std::vector<Var>& VarArrayOutputAdapterWithStorage::output() { + PP_DCHECK(output_storage_.empty()); + + output_storage_.reserve(temp_storage_.size()); + for (size_t i = 0; i < temp_storage_.size(); i++) + output_storage_.push_back(Var(PASS_REF, temp_storage_[i])); + temp_storage_.clear(); + return output_storage_; +} + +} // namespace pp |