third_party/WebKit/Source/core/dom/DOMArrayBufferBase.h

// 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 DOMArrayBufferBase_h
#define DOMArrayBufferBase_h

#include "bindings/core/v8/ScriptWrappable.h"
#include "core/CoreExport.h"
#include "platform/heap/Handle.h"
#include "wtf/typed_arrays/ArrayBuffer.h"

namespace blink {

class CORE_EXPORT DOMArrayBufferBase
    : public GarbageCollectedFinalized<DOMArrayBufferBase>,
      public ScriptWrappable {
 public:
  virtual ~DOMArrayBufferBase() {}

  const WTF::ArrayBuffer* buffer() const { return m_buffer.get(); }
  WTF::ArrayBuffer* buffer() { return m_buffer.get(); }

  const void* data() const { return buffer()->data(); }
  void* data() { return buffer()->data(); }
  unsigned byteLength() const { return buffer()->byteLength(); }
  bool transfer(WTF::ArrayBufferContents& result) {
    return buffer()->transfer(result);
  }
  bool shareContentsWith(WTF::ArrayBufferContents& result) {
    return buffer()->shareContentsWith(result);
  }
  bool isNeutered() const { return buffer()->isNeutered(); }
  bool isShared() const { return buffer()->isShared(); }

  v8::Local<v8::Object> wrap(v8::Isolate*,
                             v8::Local<v8::Object> creationContext) override {
    NOTREACHED();
    return v8::Local<v8::Object>();
  }

  DEFINE_INLINE_VIRTUAL_TRACE() {}

 protected:
  explicit DOMArrayBufferBase(PassRefPtr<WTF::ArrayBuffer> buffer)
      : m_buffer(buffer) {
    DCHECK(m_buffer);
  }

  RefPtr<WTF::ArrayBuffer> m_buffer;
};

}  // namespace blink

#endif  // DOMArrayBufferBase_h