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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