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// Copyright 2014 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.
#ifndef DOMArrayBuffer_h
#define DOMArrayBuffer_h
#include "core/CoreExport.h"
#include "core/typed_arrays/DOMArrayBufferBase.h"
#include "platform/wtf/typed_arrays/ArrayBuffer.h"
namespace blink {
class SharedBuffer;
class CORE_EXPORT DOMArrayBuffer final : public DOMArrayBufferBase {
static DOMArrayBuffer* Create(scoped_refptr<WTF::ArrayBuffer> buffer) {
return new DOMArrayBuffer(std::move(buffer));
static DOMArrayBuffer* Create(unsigned num_elements,
unsigned element_byte_size) {
return Create(WTF::ArrayBuffer::Create(num_elements, element_byte_size));
static DOMArrayBuffer* Create(const void* source, unsigned byte_length) {
return Create(WTF::ArrayBuffer::Create(source, byte_length));
static DOMArrayBuffer* Create(WTF::ArrayBufferContents& contents) {
return Create(WTF::ArrayBuffer::Create(contents));
static DOMArrayBuffer* Create(scoped_refptr<SharedBuffer>);
// Only for use by XMLHttpRequest::responseArrayBuffer and
// Internals::serializeObject.
static DOMArrayBuffer* CreateUninitializedOrNull(unsigned num_elements,
unsigned element_byte_size);
DOMArrayBuffer* Slice(int begin, int end) const {
return Create(Buffer()->Slice(begin, end));
DOMArrayBuffer* Slice(int begin) const {
return Create(Buffer()->Slice(begin));
bool IsNeuterable(v8::Isolate*);
// Transfer the ArrayBuffer if it is neuterable, otherwise make a copy and
// transfer that.
bool Transfer(v8::Isolate*, WTF::ArrayBufferContents& result);
v8::Local<v8::Object> Wrap(v8::Isolate*,
v8::Local<v8::Object> creation_context) override;
explicit DOMArrayBuffer(scoped_refptr<WTF::ArrayBuffer> buffer)
: DOMArrayBufferBase(std::move(buffer)) {}
} // namespace blink
#endif // DOMArrayBuffer_h