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Diffstat (limited to 'webkit/pending/HTMLLinkElement.cpp')
| -rw-r--r-- | webkit/pending/HTMLLinkElement.cpp | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/webkit/pending/HTMLLinkElement.cpp b/webkit/pending/HTMLLinkElement.cpp deleted file mode 100644 index 893f15d..0000000 --- a/webkit/pending/HTMLLinkElement.cpp +++ /dev/null @@ -1,403 +0,0 @@ -/* - * Copyright (C) 1999 Lars Knoll (knoll@kde.org) - * (C) 1999 Antti Koivisto (koivisto@kde.org) - * (C) 2001 Dirk Mueller (mueller@kde.org) - * Copyright (C) 2003, 2008 Apple Inc. All rights reserved. - * - * 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 "HTMLLinkElement.h" - -#include "CSSHelper.h" -#include "CachedCSSStyleSheet.h" -#include "DNS.h" -#include "DocLoader.h" -#include "Document.h" -#include "Frame.h" -#include "FrameLoader.h" -#include "FrameLoaderClient.h" -#include "FrameTree.h" -#include "HTMLNames.h" -#include "MediaList.h" -#include "MediaQueryEvaluator.h" -#include "Page.h" -#include "Settings.h" - -namespace WebCore { - -using namespace HTMLNames; - -HTMLLinkElement::HTMLLinkElement(Document *doc) - : HTMLElement(linkTag, doc) - , m_cachedSheet(0) - , m_disabledState(0) - , m_loading(false) - , m_alternate(false) - , m_isStyleSheet(false) - , m_isIcon(false) - , m_isDNSPrefetch(false) - , m_createdByParser(false) -{ -} - -HTMLLinkElement::~HTMLLinkElement() -{ - if (m_cachedSheet) { - m_cachedSheet->removeClient(this); - if (m_loading && !isDisabled() && !isAlternate()) - document()->removePendingSheet(); - } -} - -void HTMLLinkElement::setDisabledState(bool _disabled) -{ - int oldDisabledState = m_disabledState; - m_disabledState = _disabled ? 2 : 1; - if (oldDisabledState != m_disabledState) { - // If we change the disabled state while the sheet is still loading, then we have to - // perform three checks: - if (isLoading()) { - // Check #1: If the sheet becomes disabled while it was loading, and if it was either - // a main sheet or a sheet that was previously enabled via script, then we need - // to remove it from the list of pending sheets. - if (m_disabledState == 2 && (!m_alternate || oldDisabledState == 1)) - document()->removePendingSheet(); - - // Check #2: An alternate sheet becomes enabled while it is still loading. - if (m_alternate && m_disabledState == 1) - document()->addPendingSheet(); - - // Check #3: A main sheet becomes enabled while it was still loading and - // after it was disabled via script. It takes really terrible code to make this - // happen (a double toggle for no reason essentially). This happens on - // virtualplastic.net, which manages to do about 12 enable/disables on only 3 - // sheets. :) - if (!m_alternate && m_disabledState == 1 && oldDisabledState == 2) - document()->addPendingSheet(); - - // If the sheet is already loading just bail. - return; - } - - // Load the sheet, since it's never been loaded before. - if (!m_sheet && m_disabledState == 1) - process(); - else - document()->updateStyleSelector(); // Update the style selector. - } -} - -StyleSheet* HTMLLinkElement::sheet() const -{ - return m_sheet.get(); -} - -void HTMLLinkElement::parseMappedAttribute(MappedAttribute *attr) -{ - if (attr->name() == relAttr) { - tokenizeRelAttribute(attr->value(), m_isStyleSheet, m_alternate, m_isIcon); - process(); - } else if (attr->name() == hrefAttr) { - m_url = document()->completeURL(parseURL(attr->value())).string(); - process(); - } else if (attr->name() == typeAttr) { - m_type = attr->value(); - process(); - } else if (attr->name() == mediaAttr) { - m_media = attr->value().string().lower(); - process(); - } else if (attr->name() == disabledAttr) { - setDisabledState(!attr->isNull()); - } else { - if (attr->name() == titleAttr && m_sheet) - m_sheet->setTitle(attr->value()); - HTMLElement::parseMappedAttribute(attr); - } -} - -void HTMLLinkElement::tokenizeRelAttribute(const AtomicString& rel, bool& styleSheet, bool& alternate, bool& icon) -{ - styleSheet = false; - icon = false; - alternate = false; - if (equalIgnoringCase(rel, "stylesheet")) - styleSheet = true; - else if (equalIgnoringCase(rel, "icon") || equalIgnoringCase(rel, "shortcut icon")) - icon = true; - else if (equalIgnoringCase(rel, "alternate stylesheet") || equalIgnoringCase(rel, "stylesheet alternate")) { - styleSheet = true; - alternate = true; - } else { - // Tokenize the rel attribute and set bits based on specific keywords that we find. - String relString = rel.string(); - relString.replace('\n', ' '); - Vector<String> list; - relString.split(' ', list); - Vector<String>::const_iterator end = list.end(); - for (Vector<String>::const_iterator it = list.begin(); it != end; ++it) { - if (equalIgnoringCase(*it, "stylesheet")) - styleSheet = true; - else if (equalIgnoringCase(*it, "alternate")) - alternate = true; - else if (equalIgnoringCase(*it, "icon")) - icon = true; - } - } -} - -void HTMLLinkElement::process() -{ - if (!inDocument()) - return; - - String type = m_type.lower(); - - // IE extension: location of small icon for locationbar / bookmarks - // We'll record this URL per document, even if we later only use it in top level frames - if (m_isIcon && !m_url.isEmpty()) - document()->setIconURL(m_url, type); - - if (m_isDNSPrefetch && !m_url.isEmpty()) - prefetchDNS(KURL(m_url).host()); - - // Stylesheet - // This was buggy and would incorrectly match <link rel="alternate">, which has a different specified meaning. -dwh - if (m_disabledState != 2 && m_isStyleSheet && document()->frame()) { - // no need to load style sheets which aren't for the screen output - // ### there may be in some situations e.g. for an editor or script to manipulate - // also, don't load style sheets for standalone documents - MediaQueryEvaluator allEval(true); - MediaQueryEvaluator screenEval("screen", true); - MediaQueryEvaluator printEval("print", true); - RefPtr<MediaList> media = MediaList::createAllowingDescriptionSyntax(m_media); - if (allEval.eval(media.get()) || screenEval.eval(media.get()) || printEval.eval(media.get())) { - - // Add ourselves as a pending sheet, but only if we aren't an alternate - // stylesheet. Alternate stylesheets don't hold up render tree construction. - if (!isAlternate()) - document()->addPendingSheet(); - - String chset = getAttribute(charsetAttr); - if (chset.isEmpty() && document()->frame()) - chset = document()->frame()->loader()->encoding(); - - if (m_cachedSheet) { - if (m_loading) - document()->removePendingSheet(); - m_cachedSheet->removeClient(this); - } - m_loading = true; - m_cachedSheet = document()->docLoader()->requestCSSStyleSheet(m_url, chset); - if (m_cachedSheet) - m_cachedSheet->addClient(this); - else if (!isAlternate()) { // request may have been denied if stylesheet is local and document is remote. - m_loading = false; - document()->removePendingSheet(); - } - } - } else if (m_sheet) { - // we no longer contain a stylesheet, e.g. perhaps rel or type was changed - m_sheet = 0; - document()->updateStyleSelector(); - } -} - -void HTMLLinkElement::insertedIntoDocument() -{ - HTMLElement::insertedIntoDocument(); - document()->addStyleSheetCandidateNode(this, m_createdByParser); - process(); -} - -void HTMLLinkElement::removedFromDocument() -{ - HTMLElement::removedFromDocument(); - - // FIXME: It's terrible to do a synchronous update of the style selector just because a <style> or <link> element got removed. - if (document()->renderer()) { - document()->removeStyleSheetCandidateNode(this); - document()->updateStyleSelector(); - } -} - -void HTMLLinkElement::finishParsingChildren() -{ - m_createdByParser = false; - HTMLElement::finishParsingChildren(); -} - -void HTMLLinkElement::setCSSStyleSheet(const String& url, const String& charset, const CachedCSSStyleSheet* sheet) -{ - m_sheet = CSSStyleSheet::create(this, url, charset); - - bool strictParsing = !document()->inCompatMode(); - bool enforceMIMEType = strictParsing; - - // Check to see if we should enforce the MIME type of the CSS resource in strict mode. - // Running in iWeb 2 is one example of where we don't want to - <rdar://problem/6099748> - if (enforceMIMEType && document()->page() && !document()->page()->settings()->enforceCSSMIMETypeInStrictMode()) - enforceMIMEType = false; - - m_sheet->parseString(sheet->sheetText(enforceMIMEType), strictParsing); - m_sheet->setTitle(title()); - - RefPtr<MediaList> media = MediaList::createAllowingDescriptionSyntax(m_media); - m_sheet->setMedia(media.get()); - - m_loading = false; - m_sheet->checkLoaded(); -} - -bool HTMLLinkElement::isLoading() const -{ - if (m_loading) - return true; - if (!m_sheet) - return false; - return static_cast<CSSStyleSheet *>(m_sheet.get())->isLoading(); -} - -bool HTMLLinkElement::sheetLoaded() -{ - if (!isLoading() && !isDisabled() && !isAlternate()) { - document()->removePendingSheet(); - return true; - } - return false; -} - -bool HTMLLinkElement::isURLAttribute(Attribute *attr) const -{ - return attr->name() == hrefAttr; -} - -bool HTMLLinkElement::disabled() const -{ - return !getAttribute(disabledAttr).isNull(); -} - -void HTMLLinkElement::setDisabled(bool disabled) -{ - setAttribute(disabledAttr, disabled ? "" : 0); -} - -String HTMLLinkElement::charset() const -{ - return getAttribute(charsetAttr); -} - -void HTMLLinkElement::setCharset(const String& value) -{ - setAttribute(charsetAttr, value); -} - -KURL HTMLLinkElement::href() const -{ - return document()->completeURL(getAttribute(hrefAttr)); -} - -void HTMLLinkElement::setHref(const String& value) -{ - setAttribute(hrefAttr, value); -} - -String HTMLLinkElement::hreflang() const -{ - return getAttribute(hreflangAttr); -} - -void HTMLLinkElement::setHreflang(const String& value) -{ - setAttribute(hreflangAttr, value); -} - -String HTMLLinkElement::media() const -{ - return getAttribute(mediaAttr); -} - -void HTMLLinkElement::setMedia(const String& value) -{ - setAttribute(mediaAttr, value); -} - -String HTMLLinkElement::rel() const -{ - return getAttribute(relAttr); -} - -void HTMLLinkElement::setRel(const String& value) -{ - setAttribute(relAttr, value); -} - -String HTMLLinkElement::rev() const -{ - return getAttribute(revAttr); -} - -void HTMLLinkElement::setRev(const String& value) -{ - setAttribute(revAttr, value); -} - -String HTMLLinkElement::target() const -{ - return getAttribute(targetAttr); -} - -void HTMLLinkElement::setTarget(const String& value) -{ - setAttribute(targetAttr, value); -} - -String HTMLLinkElement::type() const -{ - return getAttribute(typeAttr); -} - -void HTMLLinkElement::setType(const String& value) -{ - setAttribute(typeAttr, value); -} - -void HTMLLinkElement::getSubresourceAttributeStrings(Vector<String>& urls) const -{ - if (m_isIcon) { - urls.append(href().string()); - return; - } - - if (!m_isStyleSheet) - return; - - // Append the URL of this link element. - urls.append(href().string()); - - // Walk the URLs linked by the linked-to stylesheet. - HashSet<String> styleURLs; - StyleSheet* styleSheet = const_cast<HTMLLinkElement*>(this)->sheet(); - if (styleSheet) - styleSheet->addSubresourceURLStrings(styleURLs, href()); - - HashSet<String>::iterator end = styleURLs.end(); - for (HashSet<String>::iterator i = styleURLs.begin(); i != end; ++i) - urls.append(*i); -} - -} |