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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Utf8View.h>
#include <LibWeb/DOM/Text.h>
#include <LibWeb/Layout/Node.h>
namespace Web::Layout {
class LineBoxFragment;
class TextNode : public Node {
public:
TextNode(DOM::Document&, DOM::Text&);
virtual ~TextNode() override;
const DOM::Text& dom_node() const { return static_cast<const DOM::Text&>(*Node::dom_node()); }
String const& text_for_rendering() const { return m_text_for_rendering; }
struct Chunk {
Utf8View view;
size_t start { 0 };
size_t length { 0 };
bool has_breaking_newline { false };
bool is_all_whitespace { false };
};
class ChunkIterator {
public:
ChunkIterator(StringView text, LayoutMode, bool wrap_lines, bool respect_linebreaks);
Optional<Chunk> next();
private:
Optional<Chunk> try_commit_chunk(Utf8View::Iterator const& start, Utf8View::Iterator const& end, bool has_breaking_newline, bool must_commit = false) const;
const LayoutMode m_layout_mode;
bool const m_wrap_lines;
bool const m_respect_linebreaks;
Utf8View m_utf8_view;
Utf8View::Iterator m_iterator;
};
void compute_text_for_rendering(bool collapse);
virtual RefPtr<Painting::Paintable> create_paintable() const override;
private:
virtual bool is_text_node() const final { return true; }
String m_text_for_rendering;
};
template<>
inline bool Node::fast_is<TextNode>() const { return is_text_node(); }
}
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