1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2000 Simon Hausmann (hausmann (at) kde.org) 5 * (C) 2001 Dirk Mueller (mueller (at) 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 "Frame.h" 28 #include "HTMLFrameSetElement.h" 29 #include "HTMLNames.h" 30 #include "MappedAttribute.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(MappedAttribute* 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 // FIXME: There seems to be no code that looks at this 95 // value and prevents resizing. 96 } else 97 HTMLFrameElementBase::parseMappedAttribute(attr); 98 } 99 100 void HTMLFrameElement::setNoResize(bool noResize) 101 { 102 setAttribute(noresizeAttr, noResize ? "" : 0); 103 } 104 105 } // namespace WebCore 106