| /* |
| * 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, 2010 Apple Inc. All rights reserved. |
| * (C) 2007 Rob Buis (buis@kde.org) |
| * |
| * 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 "core/html/HTMLStyleElement.h" |
| |
| #include "core/HTMLNames.h" |
| #include "core/css/MediaList.h" |
| #include "core/dom/Document.h" |
| #include "core/dom/StyleEngine.h" |
| #include "core/dom/shadow/ShadowRoot.h" |
| #include "core/events/Event.h" |
| #include "core/events/EventSender.h" |
| |
| namespace blink { |
| |
| using namespace HTMLNames; |
| |
| static StyleEventSender& styleLoadEventSender() |
| { |
| DEFINE_STATIC_LOCAL(OwnPtrWillBePersistent<StyleEventSender>, sharedLoadEventSender, (StyleEventSender::create(EventTypeNames::load))); |
| return *sharedLoadEventSender; |
| } |
| |
| inline HTMLStyleElement::HTMLStyleElement(Document& document, bool createdByParser) |
| : HTMLElement(styleTag, document) |
| , StyleElement(&document, createdByParser) |
| , m_firedLoad(false) |
| , m_loadedSheet(false) |
| { |
| } |
| |
| HTMLStyleElement::~HTMLStyleElement() |
| { |
| #if !ENABLE(OILPAN) |
| StyleElement::clearDocumentData(document(), this); |
| |
| styleLoadEventSender().cancelEvent(this); |
| #endif |
| } |
| |
| PassRefPtrWillBeRawPtr<HTMLStyleElement> HTMLStyleElement::create(Document& document, bool createdByParser) |
| { |
| return adoptRefWillBeNoop(new HTMLStyleElement(document, createdByParser)); |
| } |
| |
| void HTMLStyleElement::parseAttribute(const QualifiedName& name, const AtomicString& oldValue, const AtomicString& value) |
| { |
| if (name == titleAttr && m_sheet) { |
| m_sheet->setTitle(value); |
| } else if (name == mediaAttr && inDocument() && document().isActive() && m_sheet) { |
| m_sheet->setMediaQueries(MediaQuerySet::create(value)); |
| document().styleEngine().setNeedsActiveStyleUpdate(m_sheet.get(), FullStyleUpdate); |
| } else { |
| HTMLElement::parseAttribute(name, oldValue, value); |
| } |
| } |
| |
| void HTMLStyleElement::finishParsingChildren() |
| { |
| StyleElement::ProcessingResult result = StyleElement::finishParsingChildren(this); |
| HTMLElement::finishParsingChildren(); |
| if (result == StyleElement::ProcessingFatalError) |
| notifyLoadedSheetAndAllCriticalSubresources(ErrorOccurredLoadingSubresource); |
| } |
| |
| Node::InsertionNotificationRequest HTMLStyleElement::insertedInto(ContainerNode* insertionPoint) |
| { |
| HTMLElement::insertedInto(insertionPoint); |
| StyleElement::insertedInto(this, insertionPoint); |
| return InsertionShouldCallDidNotifySubtreeInsertions; |
| } |
| |
| void HTMLStyleElement::removedFrom(ContainerNode* insertionPoint) |
| { |
| HTMLElement::removedFrom(insertionPoint); |
| StyleElement::removedFrom(this, insertionPoint); |
| } |
| |
| void HTMLStyleElement::didNotifySubtreeInsertionsToDocument() |
| { |
| if (StyleElement::processStyleSheet(document(), this) == StyleElement::ProcessingFatalError) |
| notifyLoadedSheetAndAllCriticalSubresources(ErrorOccurredLoadingSubresource); |
| } |
| |
| void HTMLStyleElement::childrenChanged(const ChildrenChange& change) |
| { |
| HTMLElement::childrenChanged(change); |
| if (StyleElement::childrenChanged(this) == StyleElement::ProcessingFatalError) |
| notifyLoadedSheetAndAllCriticalSubresources(ErrorOccurredLoadingSubresource); |
| } |
| |
| const AtomicString& HTMLStyleElement::media() const |
| { |
| return getAttribute(mediaAttr); |
| } |
| |
| const AtomicString& HTMLStyleElement::type() const |
| { |
| return getAttribute(typeAttr); |
| } |
| |
| void HTMLStyleElement::dispatchPendingLoadEvents() |
| { |
| styleLoadEventSender().dispatchPendingEvents(); |
| } |
| |
| void HTMLStyleElement::dispatchPendingEvent(StyleEventSender* eventSender) |
| { |
| ASSERT_UNUSED(eventSender, eventSender == &styleLoadEventSender()); |
| dispatchEvent(Event::create(m_loadedSheet ? EventTypeNames::load : EventTypeNames::error)); |
| } |
| |
| void HTMLStyleElement::notifyLoadedSheetAndAllCriticalSubresources(LoadedSheetErrorStatus errorStatus) |
| { |
| bool isLoadEvent = errorStatus == NoErrorLoadingSubresource; |
| if (m_firedLoad && isLoadEvent) |
| return; |
| m_loadedSheet = isLoadEvent; |
| styleLoadEventSender().dispatchEventSoon(this); |
| m_firedLoad = true; |
| } |
| |
| bool HTMLStyleElement::disabled() const |
| { |
| if (!m_sheet) |
| return false; |
| |
| return m_sheet->disabled(); |
| } |
| |
| void HTMLStyleElement::setDisabled(bool setDisabled) |
| { |
| if (CSSStyleSheet* styleSheet = sheet()) |
| styleSheet->setDisabled(setDisabled); |
| } |
| |
| DEFINE_TRACE(HTMLStyleElement) |
| { |
| StyleElement::trace(visitor); |
| HTMLElement::trace(visitor); |
| } |
| |
| } // namespace blink |