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// Copyright 2015 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 THIRD_PARTY_BLINK_RENDERER_CORE_TYPED_ARRAYS_DOM_SHARED_ARRAY_BUFFER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_TYPED_ARRAYS_DOM_SHARED_ARRAY_BUFFER_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/typed_arrays/dom_array_buffer_base.h"
#include "third_party/blink/renderer/platform/wtf/typed_arrays/array_buffer.h"
namespace blink {
class CORE_EXPORT DOMSharedArrayBuffer final : public DOMArrayBufferBase {
DEFINE_WRAPPERTYPEINFO();
public:
static DOMSharedArrayBuffer* Create(scoped_refptr<WTF::ArrayBuffer> buffer) {
DCHECK(buffer->IsShared());
return new DOMSharedArrayBuffer(std::move(buffer));
}
static DOMSharedArrayBuffer* Create(unsigned num_elements,
unsigned element_byte_size) {
return Create(
WTF::ArrayBuffer::CreateShared(num_elements, element_byte_size));
}
static DOMSharedArrayBuffer* Create(const void* source,
unsigned byte_length) {
return Create(WTF::ArrayBuffer::CreateShared(source, byte_length));
}
static DOMSharedArrayBuffer* Create(WTF::ArrayBufferContents& contents) {
DCHECK(contents.IsShared());
return Create(WTF::ArrayBuffer::Create(contents));
}
bool ShareContentsWith(WTF::ArrayBufferContents& result) {
return Buffer()->ShareContentsWith(result);
}
v8::Local<v8::Object> Wrap(v8::Isolate*,
v8::Local<v8::Object> creation_context) override;
private:
explicit DOMSharedArrayBuffer(scoped_refptr<WTF::ArrayBuffer> buffer)
: DOMArrayBufferBase(std::move(buffer)) {}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_TYPED_ARRAYS_DOM_SHARED_ARRAY_BUFFER_H_
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