1/*
2 * Copyright (C) 2009 Apple 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 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "JSCanvasRenderingContext.h"
28
29#include "CanvasRenderingContext2D.h"
30#include "HTMLCanvasElement.h"
31#include "JSCanvasRenderingContext2D.h"
32#include "JSNode.h"
33
34#if ENABLE(WEBGL)
35#include "JSWebGLRenderingContext.h"
36#include "WebGLRenderingContext.h"
37#endif
38
39using namespace JSC;
40
41namespace WebCore {
42
43void JSCanvasRenderingContext::visitAdditionalChildren(SlotVisitor& visitor)
44{
45    visitor.addOpaqueRoot(root(impl().canvas()));
46}
47
48JSC::JSValue toJS(JSC::ExecState*, JSDOMGlobalObject* globalObject, CanvasRenderingContext* object)
49{
50    if (!object)
51        return jsNull();
52
53#if ENABLE(WEBGL)
54    if (object->is3d())
55        return wrap<JSWebGLRenderingContext>(globalObject, static_cast<WebGLRenderingContext*>(object));
56#endif
57    ASSERT_WITH_SECURITY_IMPLICATION(object->is2d());
58    return wrap<JSCanvasRenderingContext2D>(globalObject, static_cast<CanvasRenderingContext2D*>(object));
59}
60
61} // namespace WebCore
62