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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 #ifndef WebArrayBuffer_h | |
32 #define WebArrayBuffer_h | |
33 | |
34 #include "WebCommon.h" | |
35 #include "WebPrivatePtr.h" | |
36 | |
37 namespace v8 { | |
38 class Value; | |
39 template <class T> class Handle; | |
40 } | |
41 | |
42 namespace WTF { class ArrayBuffer; } | |
43 | |
44 namespace WebKit { | |
45 | |
46 class WebArrayBuffer { | |
47 public: | |
48 ~WebArrayBuffer() { reset(); } | |
49 | |
50 WebArrayBuffer() { } | |
51 WebArrayBuffer(const WebArrayBuffer& b) { assign(b); } | |
52 WebArrayBuffer& operator=(const WebArrayBuffer& b) | |
53 { | |
54 assign(b); | |
55 return *this; | |
56 } | |
57 | |
58 WEBKIT_EXPORT static WebArrayBuffer create(unsigned numElements, unsigned el
ementByteSize); | |
59 | |
60 WEBKIT_EXPORT void reset(); | |
61 WEBKIT_EXPORT void assign(const WebArrayBuffer&); | |
62 | |
63 bool isNull() const { return m_private.isNull(); } | |
64 WEBKIT_EXPORT void* data() const; | |
65 WEBKIT_EXPORT unsigned byteLength() const; | |
66 | |
67 WEBKIT_EXPORT v8::Handle<v8::Value> toV8Value(); | |
68 WEBKIT_EXPORT static WebArrayBuffer* createFromV8Value(v8::Handle<v8::Value>
); | |
69 | |
70 #if WEBKIT_IMPLEMENTATION | |
71 WebArrayBuffer(const WTF::PassRefPtr<WTF::ArrayBuffer>&); | |
72 WebArrayBuffer& operator=(const PassRefPtr<WTF::ArrayBuffer>&); | |
73 operator WTF::PassRefPtr<WTF::ArrayBuffer>() const; | |
74 #endif | |
75 | |
76 protected: | |
77 WebPrivatePtr<WTF::ArrayBuffer> m_private; | |
78 }; | |
79 | |
80 } // namespace WebKit | |
81 | |
82 #endif // WebArrayBuffer_h | |
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