ladybird/Userland/Libraries/LibWeb/Layout/BlockContainer.cpp

/*
 * Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <LibWeb/Layout/BlockContainer.h>
#include <LibWeb/Painting/PaintableBox.h>

namespace Web::Layout {

BlockContainer::BlockContainer(DOM::Document& document, DOM::Node* node, NonnullRefPtr<CSS::StyleProperties> style)
    : Box(document, node, move(style))
{
}

BlockContainer::BlockContainer(DOM::Document& document, DOM::Node* node, CSS::ComputedValues computed_values)
    : Box(document, node, move(computed_values))
{
}

BlockContainer::~BlockContainer() = default;

bool BlockContainer::is_scrollable() const
{
    // FIXME: Support horizontal scroll as well (overflow-x)
    return computed_values().overflow_y() == CSS::Overflow::Scroll;
}

void BlockContainer::set_scroll_offset(Gfx::FloatPoint const& offset)
{
    // FIXME: If there is horizontal and vertical scroll ignore only part of the new offset
    if (offset.y() < 0 || m_scroll_offset == offset)
        return;
    m_scroll_offset = offset;
    set_needs_display();
}

Painting::PaintableWithLines const* BlockContainer::paint_box() const
{
    return static_cast<Painting::PaintableWithLines const*>(Box::paint_box());
}

RefPtr<Painting::Paintable> BlockContainer::create_paintable() const
{
    return Painting::PaintableWithLines::create(*this);
}

}