| /* |
| * Copyright (C) 2010, 2011 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 "core/html/HTMLDetailsElement.h" |
| |
| #include "bindings/core/v8/ExceptionStatePlaceholder.h" |
| #include "core/CSSPropertyNames.h" |
| #include "core/CSSValueKeywords.h" |
| #include "core/HTMLNames.h" |
| #include "core/dom/ElementTraversal.h" |
| #include "core/dom/Text.h" |
| #include "core/dom/shadow/ShadowRoot.h" |
| #include "core/events/Event.h" |
| #include "core/events/EventSender.h" |
| #include "core/frame/UseCounter.h" |
| #include "core/html/HTMLContentElement.h" |
| #include "core/html/HTMLDivElement.h" |
| #include "core/html/HTMLSummaryElement.h" |
| #include "core/html/shadow/DetailsMarkerControl.h" |
| #include "core/html/shadow/ShadowElementNames.h" |
| #include "core/layout/LayoutBlockFlow.h" |
| #include "platform/text/PlatformLocale.h" |
| |
| namespace blink { |
| |
| using namespace HTMLNames; |
| |
| class FirstSummarySelectFilter final : public HTMLContentSelectFilter { |
| public: |
| virtual ~FirstSummarySelectFilter() { } |
| |
| static PassOwnPtrWillBeRawPtr<FirstSummarySelectFilter> create() |
| { |
| return adoptPtrWillBeNoop(new FirstSummarySelectFilter()); |
| } |
| |
| bool canSelectNode(const WillBeHeapVector<RawPtrWillBeMember<Node>, 32>& siblings, int nth) const override |
| { |
| if (!siblings[nth]->hasTagName(HTMLNames::summaryTag)) |
| return false; |
| for (int i = nth - 1; i >= 0; --i) { |
| if (siblings[i]->hasTagName(HTMLNames::summaryTag)) |
| return false; |
| } |
| return true; |
| } |
| |
| DEFINE_INLINE_VIRTUAL_TRACE() |
| { |
| HTMLContentSelectFilter::trace(visitor); |
| } |
| |
| private: |
| FirstSummarySelectFilter() { } |
| }; |
| |
| static DetailsEventSender& detailsToggleEventSender() |
| { |
| DEFINE_STATIC_LOCAL(OwnPtrWillBePersistent<DetailsEventSender>, sharedToggleEventSender, (DetailsEventSender::create(EventTypeNames::toggle))); |
| return *sharedToggleEventSender; |
| } |
| |
| PassRefPtrWillBeRawPtr<HTMLDetailsElement> HTMLDetailsElement::create(Document& document) |
| { |
| RefPtrWillBeRawPtr<HTMLDetailsElement> details = adoptRefWillBeNoop(new HTMLDetailsElement(document)); |
| details->ensureUserAgentShadowRoot(); |
| return details.release(); |
| } |
| |
| HTMLDetailsElement::HTMLDetailsElement(Document& document) |
| : HTMLElement(detailsTag, document) |
| , m_isOpen(false) |
| { |
| UseCounter::count(document, UseCounter::DetailsElement); |
| } |
| |
| HTMLDetailsElement::~HTMLDetailsElement() |
| { |
| #if !ENABLE(OILPAN) |
| detailsToggleEventSender().cancelEvent(this); |
| #endif |
| } |
| |
| void HTMLDetailsElement::dispatchPendingEvent(DetailsEventSender* eventSender) |
| { |
| ASSERT_UNUSED(eventSender, eventSender == &detailsToggleEventSender()); |
| dispatchEvent(Event::create(EventTypeNames::toggle)); |
| } |
| |
| |
| LayoutObject* HTMLDetailsElement::createLayoutObject(const ComputedStyle&) |
| { |
| return new LayoutBlockFlow(this); |
| } |
| |
| void HTMLDetailsElement::didAddUserAgentShadowRoot(ShadowRoot& root) |
| { |
| RefPtrWillBeRawPtr<HTMLSummaryElement> defaultSummary = HTMLSummaryElement::create(document()); |
| defaultSummary->appendChild(Text::create(document(), locale().queryString(WebLocalizedString::DetailsLabel))); |
| |
| RefPtrWillBeRawPtr<HTMLContentElement> summary = HTMLContentElement::create(document(), FirstSummarySelectFilter::create()); |
| summary->setIdAttribute(ShadowElementNames::detailsSummary()); |
| summary->appendChild(defaultSummary); |
| root.appendChild(summary.release()); |
| |
| RefPtrWillBeRawPtr<HTMLDivElement> content = HTMLDivElement::create(document()); |
| content->setIdAttribute(ShadowElementNames::detailsContent()); |
| content->appendChild(HTMLContentElement::create(document())); |
| content->setInlineStyleProperty(CSSPropertyDisplay, CSSValueNone); |
| root.appendChild(content.release()); |
| } |
| |
| Element* HTMLDetailsElement::findMainSummary() const |
| { |
| if (HTMLSummaryElement* summary = Traversal<HTMLSummaryElement>::firstChild(*this)) |
| return summary; |
| |
| HTMLContentElement* content = toHTMLContentElement(userAgentShadowRoot()->firstChild()); |
| ASSERT(content->firstChild() && isHTMLSummaryElement(*content->firstChild())); |
| return toElement(content->firstChild()); |
| } |
| |
| void HTMLDetailsElement::parseAttribute(const QualifiedName& name, const AtomicString& oldValue, const AtomicString& value) |
| { |
| if (name == openAttr) { |
| bool oldValue = m_isOpen; |
| m_isOpen = !value.isNull(); |
| if (m_isOpen == oldValue) |
| return; |
| |
| // Dispatch toggle event asynchronously. |
| detailsToggleEventSender().cancelEvent(this); |
| detailsToggleEventSender().dispatchEventSoon(this); |
| |
| Element* content = ensureUserAgentShadowRoot().getElementById(ShadowElementNames::detailsContent()); |
| ASSERT(content); |
| if (m_isOpen) |
| content->removeInlineStyleProperty(CSSPropertyDisplay); |
| else |
| content->setInlineStyleProperty(CSSPropertyDisplay, CSSValueNone); |
| |
| // Invalidate the LayoutDetailsMarker in order to turn the arrow signifying if the |
| // details element is open or closed. |
| Element* summary = findMainSummary(); |
| ASSERT(summary); |
| |
| Element* control = toHTMLSummaryElement(summary)->markerControl(); |
| if (control && control->layoutObject()) |
| control->layoutObject()->setShouldDoFullPaintInvalidation(); |
| |
| return; |
| } |
| HTMLElement::parseAttribute(name, oldValue, value); |
| } |
| |
| void HTMLDetailsElement::toggleOpen() |
| { |
| setAttribute(openAttr, m_isOpen ? nullAtom : emptyAtom); |
| } |
| |
| bool HTMLDetailsElement::isInteractiveContent() const |
| { |
| return true; |
| } |
| |
| } |