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 "core/html/HTMLFrameElement.h"
26
27#include "HTMLNames.h"
28#include "core/html/HTMLFrameSetElement.h"
29#include "core/rendering/RenderFrame.h"
30
31namespace WebCore {
32
33using namespace HTMLNames;
34
35inline HTMLFrameElement::HTMLFrameElement(const QualifiedName& tagName, Document* document)
36    : HTMLFrameElementBase(tagName, document)
37    , m_frameBorder(true)
38    , m_frameBorderSet(false)
39{
40    ASSERT(hasTagName(frameTag));
41    ScriptWrappable::init(this);
42}
43
44PassRefPtr<HTMLFrameElement> HTMLFrameElement::create(const QualifiedName& tagName, Document* document)
45{
46    return adoptRef(new HTMLFrameElement(tagName, document));
47}
48
49bool HTMLFrameElement::rendererIsNeeded(const NodeRenderingContext&)
50{
51    // For compatibility, frames render even when display: none is set.
52    return isURLAllowed();
53}
54
55RenderObject* HTMLFrameElement::createRenderer(RenderStyle*)
56{
57    return new RenderFrame(this);
58}
59
60static inline HTMLFrameSetElement* containingFrameSetElement(Node* node)
61{
62    while ((node = node->parentNode())) {
63        if (node->hasTagName(framesetTag))
64            return static_cast<HTMLFrameSetElement*>(node);
65    }
66    return 0;
67}
68
69bool HTMLFrameElement::noResize() const
70{
71    return hasAttribute(noresizeAttr);
72}
73
74void HTMLFrameElement::attach(const AttachContext& context)
75{
76    HTMLFrameElementBase::attach(context);
77
78    if (HTMLFrameSetElement* frameSetElement = containingFrameSetElement(this)) {
79        if (!m_frameBorderSet)
80            m_frameBorder = frameSetElement->hasFrameBorder();
81    }
82}
83
84void HTMLFrameElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
85{
86    if (name == frameborderAttr) {
87        m_frameBorder = value.toInt();
88        m_frameBorderSet = !value.isNull();
89        // FIXME: If we are already attached, this has no effect.
90    } else if (name == noresizeAttr) {
91        if (renderer())
92            renderer()->updateFromElement();
93    } else
94        HTMLFrameElementBase::parseAttribute(name, value);
95}
96
97} // namespace WebCore
98