1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2000 Simon Hausmann (hausmann@kde.org)
5 * (C) 2001 Dirk Mueller (mueller@kde.org)
6 * Copyright (C) 2004, 2006, 2009 Apple Inc. All rights reserved.
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 */
23
24 #include "config.h"
25 #include "HTMLFrameElement.h"
26
27 #include "Attribute.h"
28 #include "Frame.h"
29 #include "HTMLFrameSetElement.h"
30 #include "HTMLNames.h"
31 #include "RenderFrame.h"
32
33 namespace WebCore {
34
35 using namespace HTMLNames;
36
HTMLFrameElement(const QualifiedName & tagName,Document * document)37 inline HTMLFrameElement::HTMLFrameElement(const QualifiedName& tagName, Document* document)
38 : HTMLFrameElementBase(tagName, document)
39 , m_frameBorder(true)
40 , m_frameBorderSet(false)
41 , m_noResize(false)
42 {
43 ASSERT(hasTagName(frameTag));
44 }
45
create(const QualifiedName & tagName,Document * document)46 PassRefPtr<HTMLFrameElement> HTMLFrameElement::create(const QualifiedName& tagName, Document* document)
47 {
48 return adoptRef(new HTMLFrameElement(tagName, document));
49 }
50
rendererIsNeeded(RenderStyle *)51 bool HTMLFrameElement::rendererIsNeeded(RenderStyle*)
52 {
53 // For compatibility, frames render even when display: none is set.
54 return isURLAllowed();
55 }
56
createRenderer(RenderArena * arena,RenderStyle *)57 RenderObject* HTMLFrameElement::createRenderer(RenderArena* arena, RenderStyle*)
58 {
59 return new (arena) RenderFrame(this);
60 }
61
containingFrameSetElement(Node * node)62 static inline HTMLFrameSetElement* containingFrameSetElement(Node* node)
63 {
64 while ((node = node->parentNode())) {
65 if (node->hasTagName(framesetTag))
66 return static_cast<HTMLFrameSetElement*>(node);
67 }
68 return 0;
69 }
70
attach()71 void HTMLFrameElement::attach()
72 {
73 HTMLFrameElementBase::attach();
74
75 if (HTMLFrameSetElement* frameSetElement = containingFrameSetElement(this)) {
76 if (!m_frameBorderSet)
77 m_frameBorder = frameSetElement->hasFrameBorder();
78 if (!m_noResize)
79 m_noResize = frameSetElement->noResize();
80 }
81 }
82
parseMappedAttribute(Attribute * attr)83 void HTMLFrameElement::parseMappedAttribute(Attribute* attr)
84 {
85 if (attr->name() == frameborderAttr) {
86 m_frameBorder = attr->value().toInt();
87 m_frameBorderSet = !attr->isNull();
88 // FIXME: If we are already attached, this has no effect.
89 } else if (attr->name() == noresizeAttr) {
90 m_noResize = true;
91 // FIXME: If we are already attached, this has no effect.
92 // FIXME: Since this does not check attr->isNull(), it can
93 // never reset m_noResize to false if the attribute is removed.
94 } else
95 HTMLFrameElementBase::parseMappedAttribute(attr);
96 }
97
98 } // namespace WebCore
99