1 /*
2  * Copyright (C) 2007, 2008, 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 COMPUTER, 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 COMPUTER, 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 "JSStyleSheet.h"
28 
29 #include "CSSStyleSheet.h"
30 #include "Node.h"
31 #include "JSCSSStyleSheet.h"
32 #include "JSNode.h"
33 
34 using namespace JSC;
35 
36 namespace WebCore {
37 
visitChildren(SlotVisitor & visitor)38 void JSStyleSheet::visitChildren(SlotVisitor& visitor)
39 {
40     Base::visitChildren(visitor);
41     visitor.addOpaqueRoot(root(impl()));
42 }
43 
toJS(ExecState * exec,JSDOMGlobalObject * globalObject,StyleSheet * styleSheet)44 JSValue toJS(ExecState* exec, JSDOMGlobalObject* globalObject, StyleSheet* styleSheet)
45 {
46     if (!styleSheet)
47         return jsNull();
48 
49     JSDOMWrapper* wrapper = getCachedWrapper(currentWorld(exec), styleSheet);
50     if (wrapper)
51         return wrapper;
52 
53     if (styleSheet->isCSSStyleSheet())
54         wrapper = CREATE_DOM_WRAPPER(exec, globalObject, CSSStyleSheet, styleSheet);
55     else
56         wrapper = CREATE_DOM_WRAPPER(exec, globalObject, StyleSheet, styleSheet);
57 
58     return wrapper;
59 }
60 
61 } // namespace WebCore
62