85 lines
2.9 KiB
C++
85 lines
2.9 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) 2000 Simon Hausmann <hausmann@kde.org>
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* Copyright (C) 2003, 2006, 2009, 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 "config.h"
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#include "HTMLBRElement.h"
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#include "CSSPropertyNames.h"
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#include "CSSValueKeywords.h"
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#include "HTMLNames.h"
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#include "RenderLineBreak.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLBRElement);
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using namespace HTMLNames;
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HTMLBRElement::HTMLBRElement(const QualifiedName& tagName, Document& document)
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: HTMLElement(tagName, document)
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{
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ASSERT(hasTagName(brTag));
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}
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Ref<HTMLBRElement> HTMLBRElement::create(Document& document)
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{
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return adoptRef(*new HTMLBRElement(brTag, document));
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}
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Ref<HTMLBRElement> HTMLBRElement::create(const QualifiedName& tagName, Document& document)
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{
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return adoptRef(*new HTMLBRElement(tagName, document));
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}
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bool HTMLBRElement::hasPresentationalHintsForAttribute(const QualifiedName& name) const
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{
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if (name == clearAttr)
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return true;
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return HTMLElement::hasPresentationalHintsForAttribute(name);
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}
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void HTMLBRElement::collectPresentationalHintsForAttribute(const QualifiedName& name, const AtomString& value, MutableStyleProperties& style)
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{
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if (name == clearAttr) {
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// If the string is empty, then don't add the clear property.
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// <br clear> and <br clear=""> are just treated like <br> by Gecko, Mac IE, etc. -dwh
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if (!value.isEmpty()) {
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if (equalLettersIgnoringASCIICase(value, "all"))
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addPropertyToPresentationalHintStyle(style, CSSPropertyClear, CSSValueBoth);
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else
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addPropertyToPresentationalHintStyle(style, CSSPropertyClear, value);
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}
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} else
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HTMLElement::collectPresentationalHintsForAttribute(name, value, style);
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}
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RenderPtr<RenderElement> HTMLBRElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
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{
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if (style.hasContent() && RenderElement::isContentDataSupported(*style.contentData()))
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return RenderElement::createFor(*this, WTFMove(style));
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return createRenderer<RenderLineBreak>(*this, WTFMove(style));
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}
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}
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