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765ef4ec8e
Sky doesn't have this method (per spec). R=eseidel@chromium.org Review URL: https://codereview.chromium.org/879733002
93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2001 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "sky/engine/config.h"
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#include "sky/engine/core/html/HTMLTitleElement.h"
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#include "gen/sky/core/HTMLNames.h"
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#include "sky/engine/bindings/core/v8/ExceptionStatePlaceholder.h"
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#include "sky/engine/core/dom/ChildListMutationScope.h"
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#include "sky/engine/core/dom/Document.h"
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#include "sky/engine/core/dom/Text.h"
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#include "sky/engine/core/rendering/style/RenderStyle.h"
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#include "sky/engine/core/rendering/style/StyleInheritedData.h"
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#include "sky/engine/wtf/text/StringBuilder.h"
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namespace blink {
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inline HTMLTitleElement::HTMLTitleElement(Document& document)
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: HTMLElement(HTMLNames::titleTag, document)
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, m_ignoreTitleUpdatesWhenChildrenChange(false)
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{
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}
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DEFINE_NODE_FACTORY(HTMLTitleElement)
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void HTMLTitleElement::insertedInto(ContainerNode* insertionPoint)
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{
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HTMLElement::insertedInto(insertionPoint);
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if (inDocument() && !isInShadowTree())
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document().setTitleElement(this);
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}
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void HTMLTitleElement::removedFrom(ContainerNode* insertionPoint)
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{
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HTMLElement::removedFrom(insertionPoint);
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if (insertionPoint->inDocument() && !insertionPoint->isInShadowTree())
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document().removeTitle(this);
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}
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void HTMLTitleElement::childrenChanged(const ChildrenChange& change)
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{
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HTMLElement::childrenChanged(change);
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if (inDocument() && !isInShadowTree() && !m_ignoreTitleUpdatesWhenChildrenChange)
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document().setTitleElement(this);
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}
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String HTMLTitleElement::text() const
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{
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StringBuilder result;
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for (Node *n = firstChild(); n; n = n->nextSibling()) {
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if (n->isTextNode())
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result.append(toText(n)->data());
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}
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return result.toString();
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}
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void HTMLTitleElement::setText(const String &value)
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{
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RefPtr<Node> protectFromMutationEvents(this);
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ChildListMutationScope mutation(*this);
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// Avoid calling Document::setTitleElement() during intermediate steps.
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m_ignoreTitleUpdatesWhenChildrenChange = !value.isEmpty();
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removeChildren();
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m_ignoreTitleUpdatesWhenChildrenChange = false;
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if (!value.isEmpty())
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appendChild(Text::create(document(), value.impl()), IGNORE_EXCEPTION);
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}
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}
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