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serenity/Libraries/LibWeb/Layout/TextNode.h
Andreas Kling 311e1039b5 LibWeb: Paint line box fragments during all paint phases
Fragment painting was very limited by only being called during the
foreground paint phase. We now paint fragments as part of every phase
(and the phase is passed to paint_fragment() of course!)
2020-12-03 21:45:46 +01:00

69 lines
2.8 KiB
C++

/*
* 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.
*/
#pragma once
#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()); }
const String& text_for_style(const CSS::StyleProperties&) const;
const String& text_for_rendering() const { return m_text_for_rendering; }
virtual const char* class_name() const override { return "TextNode"; }
virtual bool is_text() const final { return true; }
void paint_fragment(PaintContext&, const LineBoxFragment&, PaintPhase) const;
virtual void split_into_lines(BlockBox& container, LayoutMode) override;
const CSS::StyleProperties& specified_style() const { return parent()->specified_style(); }
private:
void split_into_lines_by_rules(BlockBox& container, LayoutMode, bool do_collapse, bool do_wrap_lines, bool do_wrap_breaks);
void paint_cursor_if_needed(PaintContext&, const LineBoxFragment&) const;
template<typename Callback>
void for_each_chunk(Callback, LayoutMode, bool do_wrap_lines, bool do_wrap_breaks) const;
String m_text_for_rendering;
};
}
AK_BEGIN_TYPE_TRAITS(Web::Layout::TextNode)
static bool is_type(const Web::Layout::Node& layout_node) { return layout_node.is_text(); }
AK_END_TYPE_TRAITS()