WebArrayBuffer.cpp   [plain text]


/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
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 *
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#include "config.h"
#include "WebArrayBuffer.h"

#include "V8ArrayBuffer.h"
#include <wtf/ArrayBuffer.h>
#include <wtf/PassOwnPtr.h>

using namespace WebCore;

namespace WebKit {

WebArrayBuffer WebArrayBuffer::create(unsigned numElements, unsigned elementByteSize)
{
    RefPtr<ArrayBuffer> buffer = ArrayBuffer::create(numElements, elementByteSize);
    return WebArrayBuffer(buffer);
}

void WebArrayBuffer::reset()
{
    m_private.reset();
}

void WebArrayBuffer::assign(const WebArrayBuffer& other)
{
    m_private = other.m_private;
}

void* WebArrayBuffer::data() const
{
    if (!isNull())
        return const_cast<void*>(m_private->data());
    return 0;
}

unsigned WebArrayBuffer::byteLength() const
{
    if (!isNull())
        return m_private->byteLength();
    return 0;
}

#if WEBKIT_USING_V8
v8::Handle<v8::Value> WebArrayBuffer::toV8Value()
{
    return V8ArrayBuffer::wrap(m_private.get());
}

WebArrayBuffer* WebArrayBuffer::createFromV8Value(v8::Handle<v8::Value> value)
{
    if (!V8ArrayBuffer::HasInstance(value))
        return 0;
    WTF::ArrayBuffer* buffer = V8ArrayBuffer::toNative(value->ToObject());
    return new WebArrayBuffer(buffer);
}
#endif

WebArrayBuffer::WebArrayBuffer(const WTF::PassRefPtr<WTF::ArrayBuffer>& blob)
    : m_private(blob)
{
}

WebArrayBuffer& WebArrayBuffer::operator=(const WTF::PassRefPtr<WTF::ArrayBuffer>& blob)
{
    m_private = blob;
    return *this;
}

WebArrayBuffer::operator WTF::PassRefPtr<WTF::ArrayBuffer>() const
{
    return m_private.get();
}

} // namespace WebKit