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
37 namespace blink {
38
create(unsigned numElements,unsigned elementByteSize)39 WebArrayBuffer WebArrayBuffer::create(unsigned numElements, unsigned elementByteSize)
40 {
41 RefPtr<ArrayBuffer> buffer = ArrayBuffer::create(numElements, elementByteSize);
42 return WebArrayBuffer(buffer);
43 }
44
reset()45 void WebArrayBuffer::reset()
46 {
47 m_private.reset();
48 }
49
assign(const WebArrayBuffer & other)50 void WebArrayBuffer::assign(const WebArrayBuffer& other)
51 {
52 m_private = other.m_private;
53 }
54
data() const55 void* WebArrayBuffer::data() const
56 {
57 if (!isNull())
58 return const_cast<void*>(m_private->data());
59 return 0;
60 }
61
byteLength() const62 unsigned WebArrayBuffer::byteLength() const
63 {
64 if (!isNull())
65 return m_private->byteLength();
66 return 0;
67 }
68
WebArrayBuffer(const PassRefPtr<ArrayBuffer> & blob)69 WebArrayBuffer::WebArrayBuffer(const PassRefPtr<ArrayBuffer>& blob)
70 : m_private(blob)
71 {
72 }
73
operator =(const PassRefPtr<ArrayBuffer> & blob)74 WebArrayBuffer& WebArrayBuffer::operator=(const PassRefPtr<ArrayBuffer>& blob)
75 {
76 m_private = blob;
77 return *this;
78 }
79
operator PassRefPtr<ArrayBuffer>() const80 WebArrayBuffer::operator PassRefPtr<ArrayBuffer>() const
81 {
82 return m_private.get();
83 }
84
85 } // namespace blink
86