1/* 2 * Copyright (C) 2011 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32#include "public/platform/WebArrayBuffer.h" 33 34#include "wtf/ArrayBuffer.h" 35#include "wtf/PassOwnPtr.h" 36 37namespace blink { 38 39WebArrayBuffer WebArrayBuffer::create(unsigned numElements, unsigned elementByteSize) 40{ 41 RefPtr<ArrayBuffer> buffer = ArrayBuffer::create(numElements, elementByteSize); 42 return WebArrayBuffer(buffer); 43} 44 45void WebArrayBuffer::reset() 46{ 47 m_private.reset(); 48} 49 50void WebArrayBuffer::assign(const WebArrayBuffer& other) 51{ 52 m_private = other.m_private; 53} 54 55void* WebArrayBuffer::data() const 56{ 57 if (!isNull()) 58 return const_cast<void*>(m_private->data()); 59 return 0; 60} 61 62unsigned WebArrayBuffer::byteLength() const 63{ 64 if (!isNull()) 65 return m_private->byteLength(); 66 return 0; 67} 68 69WebArrayBuffer::WebArrayBuffer(const PassRefPtr<ArrayBuffer>& blob) 70 : m_private(blob) 71{ 72} 73 74WebArrayBuffer& WebArrayBuffer::operator=(const PassRefPtr<ArrayBuffer>& blob) 75{ 76 m_private = blob; 77 return *this; 78} 79 80WebArrayBuffer::operator PassRefPtr<ArrayBuffer>() const 81{ 82 return m_private.get(); 83} 84 85} // namespace blink 86