ladybird/Libraries/LibWeb/Layout/LayoutListItem.cpp

/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT HOLDER OR 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 <LibWeb/Layout/LayoutListItem.h>
#include <LibWeb/Layout/LayoutListItemMarker.h>

namespace Web {

LayoutListItem::LayoutListItem(const Element& element, NonnullRefPtr<StyleProperties> style)
    : LayoutBlock(&element, move(style))
{
}

LayoutListItem::~LayoutListItem()
{
}

void LayoutListItem::layout(LayoutMode layout_mode)
{
    if (m_marker) {
        remove_child(*m_marker);
        m_marker = nullptr;
    }

    LayoutBlock::layout(layout_mode);

    if (style().string_or_fallback(CSS::PropertyID::ListStyleType, "disc") == "none") {
        return;
    }

    if (!m_marker) {
        m_marker = adopt(*new LayoutListItemMarker);
        if (first_child())
            m_marker->set_inline(first_child()->is_inline());
        append_child(*m_marker);
    }

    m_marker->set_offset(-8, 0);
    m_marker->set_size(4, height());
}

}