/** * This file is part of the DOM implementation for KDE. * * 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 Apple Computer, Inc. * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include "config.h" #include "html_objectimpl.h" #include "CSSPropertyNames.h" #include "CSSValueKeywords.h" #include "DeprecatedString.h" #include "EventNames.h" #include "Frame.h" #include "HTMLDocument.h" #include "HTMLFormElement.h" #include "HTMLNames.h" #include "PlatformString.h" #include "RenderApplet.h" #include "RenderEmptyApplet.h" #include "RenderImage.h" #include "Text.h" #include "csshelper.h" #include "cssstyleselector.h" #include "dom2_eventsimpl.h" #include "html_imageimpl.h" #include "render_frames.h" namespace WebCore { using namespace EventNames; using namespace HTMLNames; // ------------------------------------------------------------------------- HTMLPlugInElement::HTMLPlugInElement(const QualifiedName& tagName, Document* doc) : HTMLElement(tagName, doc) { } String HTMLPlugInElement::align() const { return getAttribute(alignAttr); } void HTMLPlugInElement::setAlign(const String& value) { setAttribute(alignAttr, value); } String HTMLPlugInElement::height() const { return getAttribute(heightAttr); } void HTMLPlugInElement::setHeight(const String& value) { setAttribute(heightAttr, value); } String HTMLPlugInElement::name() const { return getAttribute(nameAttr); } void HTMLPlugInElement::setName(const String& value) { setAttribute(nameAttr, value); } String HTMLPlugInElement::width() const { return getAttribute(widthAttr); } void HTMLPlugInElement::setWidth(const String& value) { setAttribute(widthAttr, value); } bool HTMLPlugInElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const { if (attrName == widthAttr || attrName == heightAttr || attrName == vspaceAttr || attrName == hspaceAttr) { result = eUniversal; return false; } if (attrName == alignAttr) { result = eReplaced; // Share with since the alignment behavior is the same. return false; } return HTMLElement::mapToEntry(attrName, result); } void HTMLPlugInElement::parseMappedAttribute(MappedAttribute* attr) { if (attr->name() == widthAttr) addCSSLength(attr, CSS_PROP_WIDTH, attr->value()); else if (attr->name() == heightAttr) addCSSLength(attr, CSS_PROP_HEIGHT, attr->value()); else if (attr->name() == vspaceAttr) { addCSSLength(attr, CSS_PROP_MARGIN_TOP, attr->value()); addCSSLength(attr, CSS_PROP_MARGIN_BOTTOM, attr->value()); } else if (attr->name() == hspaceAttr) { addCSSLength(attr, CSS_PROP_MARGIN_LEFT, attr->value()); addCSSLength(attr, CSS_PROP_MARGIN_RIGHT, attr->value()); } else if (attr->name() == alignAttr) addHTMLAlignment(attr); else HTMLElement::parseMappedAttribute(attr); } bool HTMLPlugInElement::checkDTD(const Node* newChild) { return newChild->hasTagName(paramTag) || HTMLElement::checkDTD(newChild); } // ------------------------------------------------------------------------- HTMLAppletElement::HTMLAppletElement(Document *doc) : HTMLPlugInElement(appletTag, doc) , m_allParamsAvailable(false) { } HTMLAppletElement::~HTMLAppletElement() { #if __APPLE__ // m_instance should have been cleaned up in detach(). assert(!m_instance); #endif } void HTMLAppletElement::parseMappedAttribute(MappedAttribute *attr) { if (attr->name() == altAttr || attr->name() == archiveAttr || attr->name() == codeAttr || attr->name() == codebaseAttr || attr->name() == mayscriptAttr || attr->name() == objectAttr) { // Do nothing. } else if (attr->name() == nameAttr) { String newNameAttr = attr->value(); if (inDocument() && document()->isHTMLDocument()) { HTMLDocument *doc = static_cast(document()); doc->removeNamedItem(oldNameAttr); doc->addNamedItem(newNameAttr); } oldNameAttr = newNameAttr; } else if (attr->name() == idAttr) { String newIdAttr = attr->value(); if (inDocument() && document()->isHTMLDocument()) { HTMLDocument *doc = static_cast(document()); doc->removeDocExtraNamedItem(oldIdAttr); doc->addDocExtraNamedItem(newIdAttr); } oldIdAttr = newIdAttr; // also call superclass HTMLPlugInElement::parseMappedAttribute(attr); } else HTMLPlugInElement::parseMappedAttribute(attr); } void HTMLAppletElement::insertedIntoDocument() { if (document()->isHTMLDocument()) { HTMLDocument *doc = static_cast(document()); doc->addNamedItem(oldNameAttr); doc->addDocExtraNamedItem(oldIdAttr); } HTMLPlugInElement::insertedIntoDocument(); } void HTMLAppletElement::removedFromDocument() { if (document()->isHTMLDocument()) { HTMLDocument *doc = static_cast(document()); doc->removeNamedItem(oldNameAttr); doc->removeDocExtraNamedItem(oldIdAttr); } HTMLPlugInElement::removedFromDocument(); } bool HTMLAppletElement::rendererIsNeeded(RenderStyle *style) { return !getAttribute(codeAttr).isNull(); } #if __APPLE__ KJS::Bindings::Instance *HTMLAppletElement::getInstance() const { return 0; } #endif void HTMLAppletElement::closeRenderer() { // The parser just reached , so all the params are available now. m_allParamsAvailable = true; if (renderer()) renderer()->setNeedsLayout(true); // This will cause it to create its widget & the Java applet HTMLPlugInElement::closeRenderer(); } void HTMLAppletElement::detach() { #if __APPLE__ m_instance = 0; #endif HTMLPlugInElement::detach(); } bool HTMLAppletElement::allParamsAvailable() { return m_allParamsAvailable; } String HTMLAppletElement::alt() const { return getAttribute(altAttr); } void HTMLAppletElement::setAlt(const String &value) { setAttribute(altAttr, value); } String HTMLAppletElement::archive() const { return getAttribute(archiveAttr); } void HTMLAppletElement::setArchive(const String &value) { setAttribute(archiveAttr, value); } String HTMLAppletElement::code() const { return getAttribute(codeAttr); } void HTMLAppletElement::setCode(const String &value) { setAttribute(codeAttr, value); } String HTMLAppletElement::codeBase() const { return getAttribute(codebaseAttr); } void HTMLAppletElement::setCodeBase(const String &value) { setAttribute(codebaseAttr, value); } String HTMLAppletElement::hspace() const { return getAttribute(hspaceAttr); } void HTMLAppletElement::setHspace(const String &value) { setAttribute(hspaceAttr, value); } String HTMLAppletElement::object() const { return getAttribute(objectAttr); } void HTMLAppletElement::setObject(const String &value) { setAttribute(objectAttr, value); } String HTMLAppletElement::vspace() const { return getAttribute(vspaceAttr); } void HTMLAppletElement::setVspace(const String &value) { setAttribute(vspaceAttr, value); } // ------------------------------------------------------------------------- HTMLEmbedElement::HTMLEmbedElement(Document *doc) : HTMLPlugInElement(embedTag, doc) { } HTMLEmbedElement::~HTMLEmbedElement() { #if __APPLE__ // m_instance should have been cleaned up in detach(). assert(!m_instance); #endif } #if __APPLE__ KJS::Bindings::Instance *HTMLEmbedElement::getInstance() const { return 0; } #endif 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) { DeprecatedString val = attr->value().deprecatedString(); int pos; if (attr->name() == typeAttr) { serviceType = val.lower(); pos = serviceType.find( ";" ); if ( pos!=-1 ) serviceType = serviceType.left( pos ); } else if (attr->name() == codeAttr || attr->name() == srcAttr) { url = WebCore::parseURL(attr->value()).deprecatedString(); } else if (attr->name() == pluginpageAttr || attr->name() == pluginspageAttr) { pluginPage = val; } else if (attr->name() == hiddenAttr) { if (val.lower()=="yes" || val.lower()=="true") { // FIXME: Not dynamic, but it's not really important that such a rarely-used // feature work dynamically. addCSSLength( attr, CSS_PROP_WIDTH, "0" ); addCSSLength( attr, CSS_PROP_HEIGHT, "0" ); } } else if (attr->name() == nameAttr) { String newNameAttr = attr->value(); if (inDocument() && document()->isHTMLDocument()) { HTMLDocument *doc = static_cast(document()); doc->removeNamedItem(oldNameAttr); doc->addNamedItem(newNameAttr); } oldNameAttr = newNameAttr; } else HTMLPlugInElement::parseMappedAttribute(attr); } bool HTMLEmbedElement::rendererIsNeeded(RenderStyle *style) { Frame *frame = document()->frame(); if (!frame || !frame->pluginsEnabled()) return false; Node *p = parentNode(); if (p && p->hasTagName(objectTag)) { assert(p->renderer()); return false; } return true; } RenderObject *HTMLEmbedElement::createRenderer(RenderArena *arena, RenderStyle *style) { return new (arena) RenderPartObject(this); } void HTMLEmbedElement::attach() { HTMLPlugInElement::attach(); if (renderer()) static_cast(renderer())->updateWidget(); } void HTMLEmbedElement::detach() { #if __APPLE__ m_instance = 0; #endif HTMLPlugInElement::detach(); } void HTMLEmbedElement::insertedIntoDocument() { if (document()->isHTMLDocument()) { HTMLDocument *doc = static_cast(document()); doc->addNamedItem(oldNameAttr); } HTMLPlugInElement::insertedIntoDocument(); } void HTMLEmbedElement::removedFromDocument() { if (document()->isHTMLDocument()) { HTMLDocument *doc = static_cast(document()); doc->removeNamedItem(oldNameAttr); } HTMLPlugInElement::removedFromDocument(); } bool HTMLEmbedElement::isURLAttribute(Attribute *attr) const { return attr->name() == 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); } // ------------------------------------------------------------------------- HTMLObjectElement::HTMLObjectElement(Document *doc) : HTMLPlugInElement(objectTag, doc) , m_imageLoader(0) { needWidgetUpdate = false; m_useFallbackContent = false; m_complete = false; m_docNamedItem = true; } HTMLObjectElement::~HTMLObjectElement() { #if __APPLE__ // m_instance should have been cleaned up in detach(). assert(!m_instance); #endif delete m_imageLoader; } #if BINDINGS #if __APPLE__ KJS::Bindings::Instance *HTMLObjectElement::getInstance() const { Frame *frame = document()->frame(); if (!frame) return 0; if (m_instance) return m_instance.get(); return m_instance.get(); } #endif #endif HTMLFormElement *HTMLObjectElement::form() const { for (Node *p = parentNode(); p != 0; p = p->parentNode()) { if (p->hasTagName(formTag)) return static_cast(p); } return 0; } void HTMLObjectElement::parseMappedAttribute(MappedAttribute *attr) { String val = attr->value(); int pos; if (attr->name() == typeAttr) { serviceType = val.deprecatedString().lower(); pos = serviceType.find( ";" ); if ( pos!=-1 ) serviceType = serviceType.left( pos ); if (renderer()) needWidgetUpdate = true; if (!isImageType() && m_imageLoader) { delete m_imageLoader; m_imageLoader = 0; } } else if (attr->name() == dataAttr) { url = WebCore::parseURL(val).deprecatedString(); if (renderer()) needWidgetUpdate = true; if (renderer() && isImageType()) { if (!m_imageLoader) m_imageLoader = new HTMLImageLoader(this); m_imageLoader->updateFromElement(); } } else if (attr->name() == classidAttr) { classId = val; if (renderer()) needWidgetUpdate = true; } else if (attr->name() == onloadAttr) { setHTMLEventListener(loadEvent, attr); } else if (attr->name() == onunloadAttr) { setHTMLEventListener(unloadEvent, attr); } else if (attr->name() == nameAttr) { String newNameAttr = attr->value(); if (isDocNamedItem() && inDocument() && document()->isHTMLDocument()) { HTMLDocument *doc = static_cast(document()); doc->removeNamedItem(oldNameAttr); doc->addNamedItem(newNameAttr); } oldNameAttr = newNameAttr; } else if (attr->name() == idAttr) { String newIdAttr = attr->value(); if (isDocNamedItem() && inDocument() && document()->isHTMLDocument()) { HTMLDocument *doc = static_cast(document()); doc->removeDocExtraNamedItem(oldIdAttr); doc->addDocExtraNamedItem(newIdAttr); } oldIdAttr = newIdAttr; // also call superclass HTMLPlugInElement::parseMappedAttribute(attr); } else HTMLPlugInElement::parseMappedAttribute(attr); } Document* HTMLObjectElement::contentDocument() const { // ### return 0; } bool HTMLObjectElement::rendererIsNeeded(RenderStyle *style) { if (m_useFallbackContent || isImageType()) return HTMLPlugInElement::rendererIsNeeded(style); Frame *frame = document()->frame(); if (!frame || !frame->pluginsEnabled()) return false; return true; } RenderObject *HTMLObjectElement::createRenderer(RenderArena *arena, RenderStyle *style) { if (m_useFallbackContent) return RenderObject::createObject(this, style); if (isImageType()) return new (arena) RenderImage(this); return new (arena) RenderPartObject(this); } void HTMLObjectElement::attach() { HTMLPlugInElement::attach(); if (renderer() && !m_useFallbackContent) { if (isImageType()) { if (!m_imageLoader) m_imageLoader = new HTMLImageLoader(this); m_imageLoader->updateFromElement(); if (renderer()) { RenderImage* imageObj = static_cast(renderer()); imageObj->setCachedImage(m_imageLoader->image()); } } else { if (needWidgetUpdate) { // Set needWidgetUpdate to false before calling updateWidget because updateWidget may cause // this method or recalcStyle (which also calls updateWidget) to be called. needWidgetUpdate = false; static_cast(renderer())->updateWidget(); } else { needWidgetUpdate = true; setChanged(); } } } } void HTMLObjectElement::closeRenderer() { // The parser just reached . setComplete(true); HTMLPlugInElement::closeRenderer(); } void HTMLObjectElement::setComplete(bool complete) { if (complete != m_complete) { m_complete = complete; if (complete && !m_useFallbackContent) { needWidgetUpdate = true; if (inDocument()) setChanged(); } } } void HTMLObjectElement::detach() { if (attached() && renderer() && !m_useFallbackContent) { // Update the widget the next time we attach (detaching destroys the plugin). needWidgetUpdate = true; } #if __APPLE__ m_instance = 0; #endif HTMLPlugInElement::detach(); } void HTMLObjectElement::insertedIntoDocument() { if (isDocNamedItem() && document()->isHTMLDocument()) { HTMLDocument *doc = static_cast(document()); doc->addNamedItem(oldNameAttr); doc->addDocExtraNamedItem(oldIdAttr); } HTMLPlugInElement::insertedIntoDocument(); } void HTMLObjectElement::removedFromDocument() { if (isDocNamedItem() && document()->isHTMLDocument()) { HTMLDocument *doc = static_cast(document()); doc->removeNamedItem(oldNameAttr); doc->removeDocExtraNamedItem(oldIdAttr); } HTMLPlugInElement::removedFromDocument(); } void HTMLObjectElement::recalcStyle(StyleChange ch) { if (!m_useFallbackContent && needWidgetUpdate && renderer() && !isImageType()) { detach(); attach(); } HTMLPlugInElement::recalcStyle(ch); } void HTMLObjectElement::childrenChanged() { updateDocNamedItem(); if (inDocument() && !m_useFallbackContent) { needWidgetUpdate = true; setChanged(); } } bool HTMLObjectElement::isURLAttribute(Attribute *attr) const { return (attr->name() == dataAttr || (attr->name() == usemapAttr && attr->value().domString()[0] != '#')); } bool HTMLObjectElement::isImageType() { if (serviceType.isEmpty() && url.startsWith("data:")) { // Extract the MIME type from the data URL. int index = url.find(';'); if (index == -1) index = url.find(','); if (index != -1) { int len = index - 5; if (len > 0) serviceType = url.mid(5, len); else serviceType = "text/plain"; // Data URLs with no MIME type are considered text/plain. } } return Image::supportsType(serviceType); } void HTMLObjectElement::renderFallbackContent() { if (m_useFallbackContent) return; // Mark ourselves as using the fallback content. m_useFallbackContent = true; // Now do a detach and reattach. // FIXME: Style gets recalculated which is suboptimal. detach(); attach(); } void HTMLObjectElement::updateDocNamedItem() { // The rule is " elements with no children other than // elements and whitespace can be found by name in a // document, and other elements cannot." bool wasNamedItem = m_docNamedItem; bool isNamedItem = true; Node *child = firstChild(); while (child && isNamedItem) { if (child->isElementNode()) { if (!static_cast(child)->hasTagName(paramTag)) isNamedItem = false; } else if (child->isTextNode()) { if (!static_cast(child)->containsOnlyWhitespace()) isNamedItem = false; } else isNamedItem = false; child = child->nextSibling(); } if (isNamedItem != wasNamedItem && document()->isHTMLDocument()) { HTMLDocument *doc = static_cast(document()); if (isNamedItem) { doc->addNamedItem(oldNameAttr); doc->addDocExtraNamedItem(oldIdAttr); } else { doc->removeNamedItem(oldNameAttr); doc->removeDocExtraNamedItem(oldIdAttr); } } m_docNamedItem = isNamedItem; } String HTMLObjectElement::code() const { return getAttribute(codeAttr); } void HTMLObjectElement::setCode(const String &value) { setAttribute(codeAttr, value); } String HTMLObjectElement::archive() const { return getAttribute(archiveAttr); } void HTMLObjectElement::setArchive(const String &value) { setAttribute(archiveAttr, value); } String HTMLObjectElement::border() const { return getAttribute(borderAttr); } void HTMLObjectElement::setBorder(const String &value) { setAttribute(borderAttr, value); } String HTMLObjectElement::codeBase() const { return getAttribute(codebaseAttr); } void HTMLObjectElement::setCodeBase(const String &value) { setAttribute(codebaseAttr, value); } String HTMLObjectElement::codeType() const { return getAttribute(codetypeAttr); } void HTMLObjectElement::setCodeType(const String &value) { setAttribute(codetypeAttr, value); } String HTMLObjectElement::data() const { return getAttribute(dataAttr); } void HTMLObjectElement::setData(const String &value) { setAttribute(dataAttr, value); } bool HTMLObjectElement::declare() const { return !getAttribute(declareAttr).isNull(); } void HTMLObjectElement::setDeclare(bool declare) { setAttribute(declareAttr, declare ? "" : 0); } String HTMLObjectElement::hspace() const { return getAttribute(hspaceAttr); } void HTMLObjectElement::setHspace(const String &value) { setAttribute(hspaceAttr, value); } String HTMLObjectElement::standby() const { return getAttribute(standbyAttr); } void HTMLObjectElement::setStandby(const String &value) { setAttribute(standbyAttr, value); } int HTMLObjectElement::tabIndex() const { return getAttribute(tabindexAttr).toInt(); } void HTMLObjectElement::setTabIndex(int tabIndex) { setAttribute(tabindexAttr, String::number(tabIndex)); } String HTMLObjectElement::type() const { return getAttribute(typeAttr); } void HTMLObjectElement::setType(const String &value) { setAttribute(typeAttr, value); } String HTMLObjectElement::useMap() const { return getAttribute(usemapAttr); } void HTMLObjectElement::setUseMap(const String &value) { setAttribute(usemapAttr, value); } String HTMLObjectElement::vspace() const { return getAttribute(vspaceAttr); } void HTMLObjectElement::setVspace(const String &value) { setAttribute(vspaceAttr, value); } // ------------------------------------------------------------------------- HTMLParamElement::HTMLParamElement(Document *doc) : HTMLElement(paramTag, doc) { } HTMLParamElement::~HTMLParamElement() { } void HTMLParamElement::parseMappedAttribute(MappedAttribute *attr) { if (attr->name() == idAttr) { // Must call base class so that hasID bit gets set. HTMLElement::parseMappedAttribute(attr); if (document()->htmlMode() != Document::XHtml) return; m_name = attr->value(); } else if (attr->name() == nameAttr) { m_name = attr->value(); } else if (attr->name() == valueAttr) { m_value = attr->value(); } else HTMLElement::parseMappedAttribute(attr); } bool HTMLParamElement::isURLAttribute(Attribute *attr) const { if (attr->name() == valueAttr) { Attribute *attr = attributes()->getAttributeItem(nameAttr); if (attr) { String value = attr->value().domString().lower(); if (value == "src" || value == "movie" || value == "data") return true; } } return false; } void HTMLParamElement::setName(const String &value) { setAttribute(nameAttr, value); } String HTMLParamElement::type() const { return getAttribute(typeAttr); } void HTMLParamElement::setType(const String &value) { setAttribute(typeAttr, value); } void HTMLParamElement::setValue(const String &value) { setAttribute(valueAttr, value); } String HTMLParamElement::valueType() const { return getAttribute(valuetypeAttr); } void HTMLParamElement::setValueType(const String &value) { setAttribute(valuetypeAttr, value); } }