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
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef WebArrayBufferView_h
30#define WebArrayBufferView_h
31
32#include "../platform/WebCommon.h"
33#include "../platform/WebPrivatePtr.h"
34
35namespace v8 {
36class Value;
37template <class T> class Handle;
38}
39
40namespace WTF { class ArrayBufferView; }
41
42namespace blink {
43
44// Provides access to an ArrayBufferView.
45class WebArrayBufferView {
46public:
47    ~WebArrayBufferView() { reset(); }
48    WebArrayBufferView() { }
49    WebArrayBufferView(const WebArrayBufferView& v) { assign(v); }
50
51    BLINK_EXPORT void* baseAddress() const;
52    BLINK_EXPORT unsigned byteOffset() const;
53    BLINK_EXPORT unsigned byteLength() const;
54
55    BLINK_EXPORT void assign(const WebArrayBufferView&);
56    BLINK_EXPORT void reset();
57
58    BLINK_EXPORT static WebArrayBufferView* createFromV8Value(v8::Handle<v8::Value>);
59
60#if BLINK_IMPLEMENTATION
61    WebArrayBufferView(const WTF::PassRefPtr<WTF::ArrayBufferView>&);
62    WebArrayBufferView& operator=(const WTF::PassRefPtr<WTF::ArrayBufferView>&);
63    operator WTF::PassRefPtr<WTF::ArrayBufferView>() const;
64#endif
65
66private:
67    WebPrivatePtr<WTF::ArrayBufferView> m_private;
68};
69
70} // namespace blink
71
72#endif
73