15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/*
25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2011 Google Inc. All rights reserved.
35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *
45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without
55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions are
65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * met:
75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *
85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *     * Redistributions of source code must retain the above copyright
95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer.
105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *     * Redistributions in binary form must reproduce the above
115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following disclaimer
125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * in the documentation and/or other materials provided with the
135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * distribution.
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155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * contributors may be used to endorse or promote products derived from
165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * this software without specific prior written permission.
175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *
185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */
305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h"
320019e4eead4d990e4304c54a9028aca9122fb256Ben Murdoch#include "public/platform/WebArrayBuffer.h"
335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
34591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "wtf/ArrayBuffer.h"
35591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "wtf/PassOwnPtr.h"
365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
3751b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)namespace blink {
385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)WebArrayBuffer WebArrayBuffer::create(unsigned numElements, unsigned elementByteSize)
405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){
415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    RefPtr<ArrayBuffer> buffer = ArrayBuffer::create(numElements, elementByteSize);
425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    return WebArrayBuffer(buffer);
435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void WebArrayBuffer::reset()
465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){
475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    m_private.reset();
485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void WebArrayBuffer::assign(const WebArrayBuffer& other)
515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){
525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    m_private = other.m_private;
535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void* WebArrayBuffer::data() const
565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){
575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    if (!isNull())
585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)        return const_cast<void*>(m_private->data());
595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    return 0;
605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)unsigned WebArrayBuffer::byteLength() const
635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){
645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    if (!isNull())
655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)        return m_private->byteLength();
665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    return 0;
675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
6909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)WebArrayBuffer::WebArrayBuffer(const PassRefPtr<ArrayBuffer>& blob)
705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    : m_private(blob)
715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){
725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
7409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)WebArrayBuffer& WebArrayBuffer::operator=(const PassRefPtr<ArrayBuffer>& blob)
755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){
765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    m_private = blob;
775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    return *this;
785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
8009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)WebArrayBuffer::operator PassRefPtr<ArrayBuffer>() const
815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){
825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    return m_private.get();
835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
8551b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)} // namespace blink
86