1/*
2 * Copyright (C) 2009 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
32#ifndef V8DataGridDataSource_h
33#define V8DataGridDataSource_h
34
35#if ENABLE(DATAGRID)
36
37#include "DataGridDataSource.h"
38#include <v8.h>
39#include <wtf/PassRefPtr.h>
40#include <wtf/RefPtr.h>
41
42namespace WebCore {
43
44class Frame;
45class HTMLDataGridElement;
46
47class V8DataGridDataSource : public DataGridDataSource {
48public:
49    static PassRefPtr<V8DataGridDataSource> create(v8::Handle<v8::Value> dataSource, Frame* frame)
50    {
51        return adoptRef(new V8DataGridDataSource(dataSource, frame));
52    }
53
54    virtual ~V8DataGridDataSource();
55
56    virtual bool isJSDataGridDataSource() const { return true; }
57    v8::Handle<v8::Value> jsDataSource() const { return m_dataSource; }
58
59private:
60    V8DataGridDataSource(v8::Handle<v8::Value>, Frame*);
61
62    v8::Persistent<v8::Value> m_dataSource;
63    RefPtr<Frame> m_frame;
64};
65
66inline V8DataGridDataSource* asV8DataGridDataSource(DataGridDataSource* dataSource)
67{
68    ASSERT(dataSource->isJSDataGridDataSource());
69    return static_cast<V8DataGridDataSource*>(dataSource);
70}
71
72inline const V8DataGridDataSource* asV8DataGridDataSource(const DataGridDataSource* dataSource)
73{
74    ASSERT(dataSource->isJSDataGridDataSource());
75    return static_cast<const V8DataGridDataSource*>(dataSource);
76}
77
78} // namespace WebCore
79
80#endif // ENABLE(DATAGRID)
81#endif // V8DataGridDataSource_h
82