diff options
Diffstat (limited to 'src/3rdparty/webkit/WebCore/html/HTMLEmbedElement.cpp')
-rw-r--r-- | src/3rdparty/webkit/WebCore/html/HTMLEmbedElement.cpp | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/html/HTMLEmbedElement.cpp b/src/3rdparty/webkit/WebCore/html/HTMLEmbedElement.cpp new file mode 100644 index 0000000..1af7147 --- /dev/null +++ b/src/3rdparty/webkit/WebCore/html/HTMLEmbedElement.cpp @@ -0,0 +1,258 @@ +/* + * Copyright (C) 1999 Lars Knoll (knoll@kde.org) + * (C) 1999 Antti Koivisto (koivisto@kde.org) + * (C) 2000 Stefan Schimanski (1Stein@gmx.de) + * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved. + * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#include "config.h" +#include "HTMLEmbedElement.h" + +#include "CSSHelper.h" +#include "CSSPropertyNames.h" +#include "Frame.h" +#include "HTMLDocument.h" +#include "HTMLImageLoader.h" +#include "HTMLNames.h" +#include "HTMLObjectElement.h" +#include "RenderImage.h" +#include "RenderPartObject.h" +#include "RenderWidget.h" +#include "ScriptController.h" + +namespace WebCore { + +using namespace HTMLNames; + +HTMLEmbedElement::HTMLEmbedElement(const QualifiedName& tagName, Document* doc) + : HTMLPlugInImageElement(tagName, doc) + , m_needWidgetUpdate(false) +{ + ASSERT(hasTagName(embedTag)); +} + +HTMLEmbedElement::~HTMLEmbedElement() +{ +} + +static inline RenderWidget* findWidgetRenderer(const Node* n) +{ + if (!n->renderer()) + do + n = n->parentNode(); + while (n && !n->hasTagName(objectTag)); + + if (n && n->renderer() && n->renderer()->isWidget()) + return static_cast<RenderWidget*>(n->renderer()); + + return 0; +} + +RenderWidget* HTMLEmbedElement::renderWidgetForJSBindings() const +{ + RenderWidget* renderWidget = findWidgetRenderer(this); + if (renderWidget && !renderWidget->widget()) { + document()->updateLayoutIgnorePendingStylesheets(); + renderWidget = findWidgetRenderer(this); + } + return renderWidget; +} + +bool HTMLEmbedElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const +{ + if (attrName == hiddenAttr) { + result = eUniversal; + return false; + } + + return HTMLPlugInElement::mapToEntry(attrName, result); +} + +void HTMLEmbedElement::parseMappedAttribute(MappedAttribute* attr) +{ + const AtomicString& value = attr->value(); + + if (attr->name() == typeAttr) { + m_serviceType = value.string().lower(); + int pos = m_serviceType.find(";"); + if (pos != -1) + m_serviceType = m_serviceType.left(pos); + if (!isImageType() && m_imageLoader) + m_imageLoader.clear(); + } else if (attr->name() == codeAttr) + m_url = parseURL(value.string()); + else if (attr->name() == srcAttr) { + m_url = parseURL(value.string()); + if (renderer() && isImageType()) { + if (!m_imageLoader) + m_imageLoader.set(new HTMLImageLoader(this)); + m_imageLoader->updateFromElementIgnoringPreviousError(); + } + } else if (attr->name() == hiddenAttr) { + if (equalIgnoringCase(value.string(), "yes") || equalIgnoringCase(value.string(), "true")) { + // FIXME: Not dynamic, since we add this but don't remove it, but it may be OK for now + // that this rarely-used attribute won't work properly if you remove it. + addCSSLength(attr, CSSPropertyWidth, "0"); + addCSSLength(attr, CSSPropertyHeight, "0"); + } + } else if (attr->name() == nameAttr) { + if (inDocument() && document()->isHTMLDocument()) { + HTMLDocument* document = static_cast<HTMLDocument*>(this->document()); + document->removeNamedItem(m_name); + document->addNamedItem(value); + } + m_name = value; + } else + HTMLPlugInElement::parseMappedAttribute(attr); +} + +bool HTMLEmbedElement::rendererIsNeeded(RenderStyle* style) +{ + if (isImageType()) + return HTMLPlugInElement::rendererIsNeeded(style); + + Frame* frame = document()->frame(); + if (!frame) + return false; + + Node* p = parentNode(); + if (p && p->hasTagName(objectTag)) { + ASSERT(p->renderer()); + return false; + } + + return true; +} + +RenderObject* HTMLEmbedElement::createRenderer(RenderArena* arena, RenderStyle*) +{ + if (isImageType()) + return new (arena) RenderImage(this); + return new (arena) RenderPartObject(this); +} + +void HTMLEmbedElement::attach() +{ + m_needWidgetUpdate = true; + + bool isImage = isImageType(); + + if (!isImage) + queuePostAttachCallback(&HTMLPlugInElement::updateWidgetCallback, this); + + HTMLPlugInElement::attach(); + + if (isImage && renderer()) { + if (!m_imageLoader) + m_imageLoader.set(new HTMLImageLoader(this)); + m_imageLoader->updateFromElement(); + + if (renderer()) + static_cast<RenderImage*>(renderer())->setCachedImage(m_imageLoader->image()); + } +} + +void HTMLEmbedElement::updateWidget() +{ + document()->updateRendering(); + if (m_needWidgetUpdate && renderer() && !isImageType()) + static_cast<RenderPartObject*>(renderer())->updateWidget(true); +} + +void HTMLEmbedElement::insertedIntoDocument() +{ + if (document()->isHTMLDocument()) + static_cast<HTMLDocument*>(document())->addNamedItem(m_name); + + String width = getAttribute(widthAttr); + String height = getAttribute(heightAttr); + if (!width.isEmpty() || !height.isEmpty()) { + Node* n = parent(); + while (n && !n->hasTagName(objectTag)) + n = n->parent(); + if (n) { + if (!width.isEmpty()) + static_cast<HTMLObjectElement*>(n)->setAttribute(widthAttr, width); + if (!height.isEmpty()) + static_cast<HTMLObjectElement*>(n)->setAttribute(heightAttr, height); + } + } + + HTMLPlugInElement::insertedIntoDocument(); +} + +void HTMLEmbedElement::removedFromDocument() +{ + if (document()->isHTMLDocument()) + static_cast<HTMLDocument*>(document())->removeNamedItem(m_name); + + HTMLPlugInElement::removedFromDocument(); +} + +void HTMLEmbedElement::attributeChanged(Attribute* attr, bool preserveDecls) +{ + HTMLPlugInElement::attributeChanged(attr, preserveDecls); + + if ((attr->name() == widthAttr || attr->name() == heightAttr) && !attr->isEmpty()) { + Node* n = parent(); + while (n && !n->hasTagName(objectTag)) + n = n->parent(); + if (n) + static_cast<HTMLObjectElement*>(n)->setAttribute(attr->name(), attr->value()); + } +} + +bool HTMLEmbedElement::isURLAttribute(Attribute* attr) const +{ + return attr->name() == srcAttr; +} + +const QualifiedName& HTMLEmbedElement::imageSourceAttributeName() const +{ + return srcAttr; +} + +String HTMLEmbedElement::src() const +{ + return getAttribute(srcAttr); +} + +void HTMLEmbedElement::setSrc(const String& value) +{ + setAttribute(srcAttr, value); +} + +String HTMLEmbedElement::type() const +{ + return getAttribute(typeAttr); +} + +void HTMLEmbedElement::setType(const String& value) +{ + setAttribute(typeAttr, value); +} + +void HTMLEmbedElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const +{ + HTMLPlugInImageElement::addSubresourceAttributeURLs(urls); + + addSubresourceURL(urls, document()->completeURL(src())); +} + +} |