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/*
* Copyright (C) 2009 Apple Inc. All rights reserved.
* Copyright (C) 2012 Sony Ericsson Mobile Communications AB
* Copyright (C) 2012 Sony Mobile Communications AB
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ArrayBuffer_h
#define ArrayBuffer_h
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class ArrayBuffer : public RefCounted<ArrayBuffer> {
public:
static PassRefPtr<ArrayBuffer> create(unsigned numElements, unsigned elementByteSize);
static PassRefPtr<ArrayBuffer> create(ArrayBuffer*);
static PassRefPtr<ArrayBuffer> create(const void* source, unsigned byteLength);
void* data();
const void* data() const;
unsigned byteLength() const;
PassRefPtr<ArrayBuffer> slice(int begin, int end) const;
PassRefPtr<ArrayBuffer> slice(int begin) const;
~ArrayBuffer();
private:
ArrayBuffer(void* data, unsigned sizeInBytes);
ArrayBuffer(unsigned numElements, unsigned elementByteSize);
static void* tryAllocate(unsigned numElements, unsigned elementByteSize);
PassRefPtr<ArrayBuffer> sliceImpl(unsigned begin, unsigned end) const;
unsigned clampIndex(int index) const;
unsigned m_sizeInBytes;
void* m_data;
};
} // namespace WebCore
#endif // ArrayBuffer_h
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