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/html/HTMLDocument.h"
31 #include "core/rendering/RenderIFrame.h"
32
33 namespace WebCore {
34
35 using namespace HTMLNames;
36
HTMLIFrameElement(Document & document)37 inline HTMLIFrameElement::HTMLIFrameElement(Document& document)
38 : HTMLFrameElementBase(iframeTag, document)
39 , m_didLoadNonEmptyDocument(false)
40 {
41 ScriptWrappable::init(this);
42 setHasCustomStyleCallbacks();
43 }
44
create(Document & document)45 PassRefPtr<HTMLIFrameElement> HTMLIFrameElement::create(Document& document)
46 {
47 return adoptRef(new HTMLIFrameElement(document));
48 }
49
isPresentationAttribute(const QualifiedName & name) const50 bool HTMLIFrameElement::isPresentationAttribute(const QualifiedName& name) const
51 {
52 if (name == widthAttr || name == heightAttr || name == alignAttr || name == frameborderAttr || name == seamlessAttr)
53 return true;
54 return HTMLFrameElementBase::isPresentationAttribute(name);
55 }
56
collectStyleForPresentationAttribute(const QualifiedName & name,const AtomicString & value,MutableStylePropertySet * style)57 void HTMLIFrameElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
58 {
59 if (name == widthAttr)
60 addHTMLLengthToStyle(style, CSSPropertyWidth, value);
61 else if (name == heightAttr)
62 addHTMLLengthToStyle(style, CSSPropertyHeight, value);
63 else if (name == alignAttr)
64 applyAlignmentAttributeToStyle(value, style);
65 else if (name == frameborderAttr) {
66 // Frame border doesn't really match the HTML4 spec definition for iframes. It simply adds
67 // a presentational hint that the border should be off if set to zero.
68 if (!value.toInt()) {
69 // Add a rule that nulls out our border width.
70 addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderWidth, 0, CSSPrimitiveValue::CSS_PX);
71 }
72 } else
73 HTMLFrameElementBase::collectStyleForPresentationAttribute(name, value, style);
74 }
75
parseAttribute(const QualifiedName & name,const AtomicString & value)76 void HTMLIFrameElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
77 {
78 if (name == nameAttr) {
79 if (inDocument() && document().isHTMLDocument() && !isInShadowTree()) {
80 HTMLDocument& document = toHTMLDocument(this->document());
81 document.removeExtraNamedItem(m_name);
82 document.addExtraNamedItem(value);
83 }
84 m_name = value;
85 } else if (name == sandboxAttr) {
86 String invalidTokens;
87 setSandboxFlags(value.isNull() ? SandboxNone : parseSandboxPolicy(value, invalidTokens));
88 if (!invalidTokens.isNull())
89 document().addConsoleMessage(OtherMessageSource, ErrorMessageLevel, "Error while parsing the 'sandbox' attribute: " + invalidTokens);
90 } else if (name == seamlessAttr) {
91 // If we're adding or removing the seamless attribute, we need to force the content document to recalculate its StyleResolver.
92 if (contentDocument())
93 contentDocument()->styleResolverChanged(RecalcStyleDeferred);
94 } else
95 HTMLFrameElementBase::parseAttribute(name, value);
96 }
97
rendererIsNeeded(const RenderStyle & style)98 bool HTMLIFrameElement::rendererIsNeeded(const RenderStyle& style)
99 {
100 return isURLAllowed() && HTMLElement::rendererIsNeeded(style);
101 }
102
createRenderer(RenderStyle *)103 RenderObject* HTMLIFrameElement::createRenderer(RenderStyle*)
104 {
105 return new RenderIFrame(this);
106 }
107
insertedInto(ContainerNode * insertionPoint)108 Node::InsertionNotificationRequest HTMLIFrameElement::insertedInto(ContainerNode* insertionPoint)
109 {
110 InsertionNotificationRequest result = HTMLFrameElementBase::insertedInto(insertionPoint);
111 if (insertionPoint->inDocument() && document().isHTMLDocument() && !insertionPoint->isInShadowTree())
112 toHTMLDocument(document()).addExtraNamedItem(m_name);
113 return result;
114 }
115
removedFrom(ContainerNode * insertionPoint)116 void HTMLIFrameElement::removedFrom(ContainerNode* insertionPoint)
117 {
118 HTMLFrameElementBase::removedFrom(insertionPoint);
119 if (insertionPoint->inDocument() && document().isHTMLDocument() && !insertionPoint->isInShadowTree())
120 toHTMLDocument(document()).removeExtraNamedItem(m_name);
121 }
122
shouldDisplaySeamlessly() const123 bool HTMLIFrameElement::shouldDisplaySeamlessly() const
124 {
125 return contentDocument() && contentDocument()->shouldDisplaySeamlesslyWithParent();
126 }
127
didRecalcStyle(StyleRecalcChange styleChange)128 void HTMLIFrameElement::didRecalcStyle(StyleRecalcChange styleChange)
129 {
130 if (!shouldDisplaySeamlessly())
131 return;
132 Document* childDocument = contentDocument();
133 if (shouldRecalcStyle(styleChange, childDocument))
134 contentDocument()->recalcStyle(styleChange);
135 }
136
isInteractiveContent() const137 bool HTMLIFrameElement::isInteractiveContent() const
138 {
139 return true;
140 }
141
142 }
143