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ladybird/Libraries/LibWeb/Layout/LayoutTableCell.h

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Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
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/*
* 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.
*/
LibHTML: Add stub classes for basic table layout This class introduces LayoutTable, LayoutTableRow and LayoutTableCell. These are produced by "display" values table, table-row and table-cell respectively. Note that there's no layout happening yet, I'm just adding the classes.
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#pragma once
LibWeb: Rename directory LibHTML => LibWeb Let's rename this to LibWeb since it aims to provide more parts of the web platform than just HTML. :^)
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#include <LibWeb/Layout/LayoutBlock.h>
LibHTML: Add stub classes for basic table layout This class introduces LayoutTable, LayoutTableRow and LayoutTableCell. These are produced by "display" values table, table-row and table-cell respectively. Note that there's no layout happening yet, I'm just adding the classes.
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LibWeb: Move everything into the Web namespace
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namespace Web {
LibHTML: Add stub classes for basic table layout This class introduces LayoutTable, LayoutTableRow and LayoutTableCell. These are produced by "display" values table, table-row and table-cell respectively. Note that there's no layout happening yet, I'm just adding the classes.
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class LayoutTableCell final : public LayoutBlock {
public:
LibWeb: Move border width and color into LayoutStyle To make this possible, I also had to give each LayoutNode a Document& so it can resolve document-specific colors correctly. There's probably ways to avoid having this extra member by resolving colors later, but this works for now.
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LayoutTableCell(Document&, const Element&, NonnullRefPtr<StyleProperties>);
LibHTML: Add stub classes for basic table layout This class introduces LayoutTable, LayoutTableRow and LayoutTableCell. These are produced by "display" values table, table-row and table-cell respectively. Note that there's no layout happening yet, I'm just adding the classes.
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virtual ~LayoutTableCell() override;
LibHTML: Add typed child/sibling traversal helpers for LayoutNode Also add some special variants for the table classes, to make it a bit more pleasant to write table code. :^)
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LayoutTableCell* next_cell() { return next_sibling_of_type<LayoutTableCell>(); }
const LayoutTableCell* next_cell() const { return next_sibling_of_type<LayoutTableCell>(); }
LibWeb: Add LayoutTableCell::colspan() A convenient function for looking up a cell's colspan attribute.
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size_t colspan() const;
LibHTML: Add stub classes for basic table layout This class introduces LayoutTable, LayoutTableRow and LayoutTableCell. These are produced by "display" values table, table-row and table-cell respectively. Note that there's no layout happening yet, I'm just adding the classes.
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private:
LibHTML: Add is<T> helpers for the table-related LayoutNode subclasses
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virtual bool is_table_cell() const override { return true; }
LibHTML: Add stub classes for basic table layout This class introduces LayoutTable, LayoutTableRow and LayoutTableCell. These are produced by "display" values table, table-row and table-cell respectively. Note that there's no layout happening yet, I'm just adding the classes.
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virtual const char* class_name() const override { return "LayoutTableCell"; }
LibWeb: Start working on supporting fixed table layouts Sometimes people make tables with a specific width. In those cases, we can't just use the auto-sizing algorithm, but instead have to respect whatever width the content specifies. This is a bit rickety right now, since we don't implement generation of anonymous table boxes. The basic mechanism here is that block layout (which table-cell uses) now has a virtual way of asking for the width of the logical containing block. This is necessary as table-row does not produce a block-level element and so was previously unable to provide a containing block width for table-cell layout. If the table has a non-auto specified width, we now interpret that as a request to use fixed table layout. This will evolve over time. :^)
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virtual float width_of_logical_containing_block() const override;
LibHTML: Add stub classes for basic table layout This class introduces LayoutTable, LayoutTableRow and LayoutTableCell. These are produced by "display" values table, table-row and table-cell respectively. Note that there's no layout happening yet, I'm just adding the classes.
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};
LibHTML: Add is<T> helpers for the table-related LayoutNode subclasses
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}
LibWeb: Move everything into the Web namespace
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LibWeb: Switch to using AK::is and AK::downcast
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AK_BEGIN_TYPE_TRAITS(Web::LayoutTableCell)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_table_cell(); }
AK_END_TYPE_TRAITS()
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