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
33namespace WebCore {
34
35using namespace HTMLNames;
36
37inline HTMLFrameElement::HTMLFrameElement(const QualifiedName& tagName, Document* document)
38    : HTMLFrameElementBase(tagName, document)
39    , m_frameBorder(true)
40    , m_frameBorderSet(false)
41{
42    ASSERT(hasTagName(frameTag));
43}
44
45PassRefPtr<HTMLFrameElement> HTMLFrameElement::create(const QualifiedName& tagName, Document* document)
46{
47    return adoptRef(new HTMLFrameElement(tagName, document));
48}
49
50bool HTMLFrameElement::rendererIsNeeded(const NodeRenderingContext&)
51{
52    // For compatibility, frames render even when display: none is set.
53    return isURLAllowed();
54}
55
56RenderObject* HTMLFrameElement::createRenderer(RenderArena* arena, RenderStyle*)
57{
58    return new (arena) RenderFrame(this);
59}
60
61static inline HTMLFrameSetElement* containingFrameSetElement(Node* node)
62{
63    while ((node = node->parentNode())) {
64        if (node->hasTagName(framesetTag))
65            return static_cast<HTMLFrameSetElement*>(node);
66    }
67    return 0;
68}
69
70bool HTMLFrameElement::noResize() const
71{
72    return hasAttribute(noresizeAttr);
73}
74
75void HTMLFrameElement::attach(const AttachContext& context)
76{
77    HTMLFrameElementBase::attach(context);
78
79    if (HTMLFrameSetElement* frameSetElement = containingFrameSetElement(this)) {
80        if (!m_frameBorderSet)
81            m_frameBorder = frameSetElement->hasFrameBorder();
82    }
83}
84
85void HTMLFrameElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
86{
87    if (name == frameborderAttr) {
88        m_frameBorder = value.toInt();
89        m_frameBorderSet = !value.isNull();
90        // FIXME: If we are already attached, this has no effect.
91    } else if (name == noresizeAttr) {
92        if (renderer())
93            renderer()->updateFromElement();
94    } else
95        HTMLFrameElementBase::parseAttribute(name, value);
96}
97
98} // namespace WebCore
99