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/*
* Copyright (c) 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/DOM/Position.h>
#include <LibWeb/DOM/Range.h>
#include <LibWeb/Layout/LayoutPosition.h>
namespace Web::Layout {
DOM::Position LayoutPosition::to_dom_position() const
{
if (!layout_node)
return {};
// FIXME: Verify that there are no shenanigans going on.
return { const_cast<DOM::Node&>(*layout_node->dom_node()), (unsigned)index_in_node };
}
LayoutRange LayoutRange::normalized() const
{
if (!is_valid())
return {};
if (m_start.layout_node == m_end.layout_node) {
if (m_start.index_in_node < m_end.index_in_node)
return *this;
return { m_end, m_start };
}
if (m_start.layout_node->is_before(*m_end.layout_node))
return *this;
return { m_end, m_start };
}
NonnullRefPtr<DOM::Range> LayoutRange::to_dom_range() const
{
VERIFY(is_valid());
auto start = m_start.to_dom_position();
auto end = m_end.to_dom_position();
return DOM::Range::create(*start.node(), start.offset(), *end.node(), end.offset());
}
}
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