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 

    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 

    46 PassRefPtr<HTMLFrameElement> HTMLFrameElement::create(const QualifiedName& tagName, Document* document)

    47 {

    48     return adoptRef(new HTMLFrameElement(tagName, document));

    49 }

    50 

    51 bool HTMLFrameElement::rendererIsNeeded(RenderStyle*)

    52 {

    53     // For compatibility, frames render even when display: none is set.

    54     return isURLAllowed();

    55 }

    56 

    57 RenderObject* HTMLFrameElement::createRenderer(RenderArena* arena, RenderStyle*)

    58 {

    59     return new (arena) RenderFrame(this);

    60 }

    61 

    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 

    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 

    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