2 * Copyright (C) 2004, 2006, 2006, 2008, 2009 Apple Inc. All rights reserved.
3 * Copyright (C) 2006 James G. Speth <speth@end.com>
4 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #import "DOMHTMLLinkElementInternal.h"
32 #import "DOMHTMLStyleElementInternal.h"
33 #import "DOMInternal.h"
34 #import "DOMProcessingInstructionInternal.h"
35 #import "DOMStyleSheetInternal.h"
36 #import "HTMLLinkElement.h"
37 #import "HTMLStyleElement.h"
38 #import "ProcessingInstruction.h"
39 #import "StyleSheet.h"
40 #import "WebScriptObjectPrivate.h"
41 #import <wtf/UnusedParam.h>
43 @implementation DOMObject
45 // Prevent creation of DOM objects by clients who just "[[xxx alloc] init]".
48 [NSException raise:NSGenericException format:@"+[%@ init]: should never be used", NSStringFromClass([self class])];
56 removeDOMWrapper(_internal);
60 - (id)copyWithZone:(NSZone *)unusedZone
62 UNUSED_PARAM(unusedZone);
68 @implementation DOMObject (DOMLinkStyle)
70 - (DOMStyleSheet *)sheet
72 WebCore::StyleSheet* styleSheet;
74 if ([self isKindOfClass:[DOMProcessingInstruction class]])
75 styleSheet = core(static_cast<DOMProcessingInstruction *>(self))->sheet();
76 else if ([self isKindOfClass:[DOMHTMLLinkElement class]])
77 styleSheet = core(static_cast<DOMHTMLLinkElement *>(self))->sheet();
78 else if ([self isKindOfClass:[DOMHTMLStyleElement class]])
79 styleSheet = core(static_cast<DOMHTMLStyleElement *>(self))->sheet();
83 return kit(styleSheet);