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 "HTMLIFrameElement.h" 27 28#include "Attribute.h" 29#include "CSSPropertyNames.h" 30#include "Frame.h" 31#include "HTMLDocument.h" 32#include "HTMLNames.h" 33#include "NodeRenderingContext.h" 34#include "RenderIFrame.h" 35#include "ScriptableDocumentParser.h" 36#include <wtf/text/TextPosition.h> 37 38namespace WebCore { 39 40using namespace HTMLNames; 41 42inline HTMLIFrameElement::HTMLIFrameElement(const QualifiedName& tagName, Document* document) 43 : HTMLFrameElementBase(tagName, document) 44{ 45 ASSERT(hasTagName(iframeTag)); 46 setHasCustomStyleCallbacks(); 47} 48 49PassRefPtr<HTMLIFrameElement> HTMLIFrameElement::create(const QualifiedName& tagName, Document* document) 50{ 51 return adoptRef(new HTMLIFrameElement(tagName, document)); 52} 53 54bool HTMLIFrameElement::isPresentationAttribute(const QualifiedName& name) const 55{ 56 if (name == widthAttr || name == heightAttr || name == alignAttr || name == frameborderAttr || name == seamlessAttr) 57 return true; 58 return HTMLFrameElementBase::isPresentationAttribute(name); 59} 60 61void HTMLIFrameElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style) 62{ 63 if (name == widthAttr) 64 addHTMLLengthToStyle(style, CSSPropertyWidth, value); 65 else if (name == heightAttr) 66 addHTMLLengthToStyle(style, CSSPropertyHeight, value); 67 else if (name == alignAttr) 68 applyAlignmentAttributeToStyle(value, style); 69 else if (name == frameborderAttr) { 70 // Frame border doesn't really match the HTML4 spec definition for iframes. It simply adds 71 // a presentational hint that the border should be off if set to zero. 72 if (!value.toInt()) { 73 // Add a rule that nulls out our border width. 74 addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderWidth, 0, CSSPrimitiveValue::CSS_PX); 75 } 76 } else 77 HTMLFrameElementBase::collectStyleForPresentationAttribute(name, value, style); 78} 79 80void HTMLIFrameElement::parseAttribute(const QualifiedName& name, const AtomicString& value) 81{ 82 if (name == sandboxAttr) { 83 String invalidTokens; 84 setSandboxFlags(value.isNull() ? SandboxNone : SecurityContext::parseSandboxPolicy(value, invalidTokens)); 85 if (!invalidTokens.isNull()) 86 document()->addConsoleMessage(OtherMessageSource, ErrorMessageLevel, "Error while parsing the 'sandbox' attribute: " + invalidTokens); 87 } else if (name == seamlessAttr) { 88 // If we're adding or removing the seamless attribute, we need to force the content document to recalculate its StyleResolver. 89 if (contentDocument()) 90 contentDocument()->styleResolverChanged(DeferRecalcStyle); 91 } else 92 HTMLFrameElementBase::parseAttribute(name, value); 93} 94 95bool HTMLIFrameElement::rendererIsNeeded(const NodeRenderingContext& context) 96{ 97 return isURLAllowed() && context.style()->display() != NONE; 98} 99 100RenderObject* HTMLIFrameElement::createRenderer(RenderArena* arena, RenderStyle*) 101{ 102 return new (arena) RenderIFrame(this); 103} 104 105bool HTMLIFrameElement::shouldDisplaySeamlessly() const 106{ 107 return contentDocument() && contentDocument()->shouldDisplaySeamlesslyWithParent(); 108} 109 110void HTMLIFrameElement::didRecalcStyle(StyleChange styleChange) 111{ 112 if (!shouldDisplaySeamlessly()) 113 return; 114 Document* childDocument = contentDocument(); 115 if (styleChange >= Inherit || childDocument->childNeedsStyleRecalc() || childDocument->needsStyleRecalc()) 116 contentDocument()->recalcStyle(styleChange); 117} 118 119#if ENABLE(MICRODATA) 120String HTMLIFrameElement::itemValueText() const 121{ 122 return getURLAttribute(srcAttr); 123} 124 125void HTMLIFrameElement::setItemValueText(const String& value, ExceptionCode&) 126{ 127 setAttribute(srcAttr, value); 128} 129#endif 130 131} 132