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/*
* Copyright (C) 2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "TextPlaceholderElement.h"
#include "HTMLNames.h"
#include "HTMLTextFormControlElement.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(TextPlaceholderElement);
Ref<TextPlaceholderElement> TextPlaceholderElement::create(Document& document, const LayoutSize& size)
{
return adoptRef(*new TextPlaceholderElement { document, size });
}
TextPlaceholderElement::TextPlaceholderElement(Document& document, const LayoutSize& size)
: HTMLDivElement { HTMLNames::divTag, document }
{
// FIXME: Move to User Agent stylesheet. See <https://webkit.org/b/208745>.
setInlineStyleProperty(CSSPropertyDisplay, size.width() ? CSSValueInlineBlock : CSSValueBlock);
setInlineStyleProperty(CSSPropertyVerticalAlign, CSSValueTop);
setInlineStyleProperty(CSSPropertyVisibility, CSSValueHidden, IsImportant::Yes);
if (size.width())
setInlineStyleProperty(CSSPropertyWidth, size.width(), CSSUnitType::CSS_PX);
setInlineStyleProperty(CSSPropertyHeight, size.height(), CSSUnitType::CSS_PX);
}
auto TextPlaceholderElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree) -> InsertedIntoAncestorResult
{
if (insertionType.treeScopeChanged) {
if (RefPtr shadowHost = dynamicDowncast<HTMLTextFormControlElement>(parentOfInsertedTree.shadowHost()))
shadowHost->setCanShowPlaceholder(false);
}
return HTMLDivElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
}
void TextPlaceholderElement::removedFromAncestor(RemovalType removalType, ContainerNode& oldParentOfRemovedTree)
{
if (removalType.treeScopeChanged) {
if (RefPtr shadowHost = dynamicDowncast<HTMLTextFormControlElement>(oldParentOfRemovedTree.shadowHost()))
shadowHost->setCanShowPlaceholder(true);
}
HTMLDivElement::removedFromAncestor(removalType, oldParentOfRemovedTree);
}
} // namespace WebCore
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