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/*
* 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 "third_party/blink/renderer/core/layout/layout_details_marker.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/html/html_details_element.h"
#include "third_party/blink/renderer/core/html/html_element.h"
#include "third_party/blink/renderer/core/html_names.h"
#include "third_party/blink/renderer/core/paint/details_marker_painter.h"
namespace blink {
LayoutDetailsMarker::LayoutDetailsMarker(Element* element)
: LayoutBlockFlow(element) {}
LayoutDetailsMarker::Orientation LayoutDetailsMarker::GetOrientation(
const ComputedStyle& style,
bool is_open) {
// TODO(layout-dev): Sideways-lr and sideways-rl are not yet supported.
const auto mode = style.GetWritingMode();
DCHECK(mode != WritingMode::kSidewaysRl && mode != WritingMode::kSidewaysLr);
if (is_open) {
if (blink::IsHorizontalWritingMode(mode))
return kDown;
return IsFlippedBlocksWritingMode(mode) ? kLeft : kRight;
}
if (blink::IsHorizontalWritingMode(mode))
return style.IsLeftToRightDirection() ? kRight : kLeft;
return style.IsLeftToRightDirection() ? kDown : kUp;
}
void LayoutDetailsMarker::Paint(const PaintInfo& paint_info) const {
NOT_DESTROYED();
DetailsMarkerPainter(*this).Paint(paint_info);
}
bool LayoutDetailsMarker::IsOpen() const {
NOT_DESTROYED();
for (LayoutObject* layout_object = Parent(); layout_object;
layout_object = layout_object->Parent()) {
const auto* node = layout_object->GetNode();
if (!node)
continue;
if (auto* details = DynamicTo<HTMLDetailsElement>(node))
return details->FastHasAttribute(html_names::kOpenAttr);
if (IsA<HTMLInputElement>(*node))
return true;
}
return false;
}
} // namespace blink
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