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, 2008, 2009 Apple Inc. All rights reserved. 7 * Copyright (C) 2009 Ericsson AB. All rights reserved. 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Library General Public 11 * License as published by the Free Software Foundation; either 12 * version 2 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Library General Public License for more details. 18 * 19 * You should have received a copy of the GNU Library General Public License 20 * along with this library; see the file COPYING.LIB. If not, write to 21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 22 * Boston, MA 02110-1301, USA. 23 */ 24 25#include "config.h" 26#include "core/html/HTMLIFrameElement.h" 27 28#include "CSSPropertyNames.h" 29#include "HTMLNames.h" 30#include "core/dom/NodeRenderingContext.h" 31#include "core/html/HTMLDocument.h" 32#include "core/rendering/RenderIFrame.h" 33 34namespace WebCore { 35 36using namespace HTMLNames; 37 38inline HTMLIFrameElement::HTMLIFrameElement(const QualifiedName& tagName, Document* document) 39 : HTMLFrameElementBase(tagName, document) 40 , m_didLoadNonEmptyDocument(false) 41{ 42 ASSERT(hasTagName(iframeTag)); 43 ScriptWrappable::init(this); 44 setHasCustomStyleCallbacks(); 45} 46 47PassRefPtr<HTMLIFrameElement> HTMLIFrameElement::create(const QualifiedName& tagName, Document* document) 48{ 49 return adoptRef(new HTMLIFrameElement(tagName, document)); 50} 51 52bool HTMLIFrameElement::isPresentationAttribute(const QualifiedName& name) const 53{ 54 if (name == widthAttr || name == heightAttr || name == alignAttr || name == frameborderAttr || name == seamlessAttr) 55 return true; 56 return HTMLFrameElementBase::isPresentationAttribute(name); 57} 58 59void HTMLIFrameElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style) 60{ 61 if (name == widthAttr) 62 addHTMLLengthToStyle(style, CSSPropertyWidth, value); 63 else if (name == heightAttr) 64 addHTMLLengthToStyle(style, CSSPropertyHeight, value); 65 else if (name == alignAttr) 66 applyAlignmentAttributeToStyle(value, style); 67 else if (name == frameborderAttr) { 68 // Frame border doesn't really match the HTML4 spec definition for iframes. It simply adds 69 // a presentational hint that the border should be off if set to zero. 70 if (!value.toInt()) { 71 // Add a rule that nulls out our border width. 72 addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderWidth, 0, CSSPrimitiveValue::CSS_PX); 73 } 74 } else 75 HTMLFrameElementBase::collectStyleForPresentationAttribute(name, value, style); 76} 77 78void HTMLIFrameElement::parseAttribute(const QualifiedName& name, const AtomicString& value) 79{ 80 if (name == nameAttr) { 81 if (inDocument() && document()->isHTMLDocument() && !isInShadowTree()) { 82 HTMLDocument* document = toHTMLDocument(this->document()); 83 document->removeExtraNamedItem(m_name); 84 document->addExtraNamedItem(value); 85 } 86 m_name = value; 87 } else if (name == sandboxAttr) { 88 String invalidTokens; 89 setSandboxFlags(value.isNull() ? SandboxNone : SecurityContext::parseSandboxPolicy(value, invalidTokens)); 90 if (!invalidTokens.isNull()) 91 document()->addConsoleMessage(OtherMessageSource, ErrorMessageLevel, "Error while parsing the 'sandbox' attribute: " + invalidTokens); 92 } else if (name == seamlessAttr) { 93 // If we're adding or removing the seamless attribute, we need to force the content document to recalculate its StyleResolver. 94 if (contentDocument()) 95 contentDocument()->styleResolverChanged(DeferRecalcStyle); 96 } else 97 HTMLFrameElementBase::parseAttribute(name, value); 98} 99 100bool HTMLIFrameElement::rendererIsNeeded(const NodeRenderingContext& context) 101{ 102 return isURLAllowed() && context.style()->display() != NONE; 103} 104 105RenderObject* HTMLIFrameElement::createRenderer(RenderStyle*) 106{ 107 return new RenderIFrame(this); 108} 109 110Node::InsertionNotificationRequest HTMLIFrameElement::insertedInto(ContainerNode* insertionPoint) 111{ 112 InsertionNotificationRequest result = HTMLFrameElementBase::insertedInto(insertionPoint); 113 if (insertionPoint->inDocument() && document()->isHTMLDocument() && !insertionPoint->isInShadowTree()) 114 toHTMLDocument(document())->addExtraNamedItem(m_name); 115 return result; 116} 117 118void HTMLIFrameElement::removedFrom(ContainerNode* insertionPoint) 119{ 120 HTMLFrameElementBase::removedFrom(insertionPoint); 121 if (insertionPoint->inDocument() && document()->isHTMLDocument() && !insertionPoint->isInShadowTree()) 122 toHTMLDocument(document())->removeExtraNamedItem(m_name); 123} 124 125bool HTMLIFrameElement::shouldDisplaySeamlessly() const 126{ 127 return contentDocument() && contentDocument()->shouldDisplaySeamlesslyWithParent(); 128} 129 130void HTMLIFrameElement::didRecalcStyle(StyleChange styleChange) 131{ 132 if (!shouldDisplaySeamlessly()) 133 return; 134 Document* childDocument = contentDocument(); 135 if (shouldRecalcStyle(styleChange, childDocument)) 136 contentDocument()->recalcStyle(styleChange); 137} 138 139} 140