mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-01-24 18:24:45 -05:00
f87041bf3a
Resulting in a massive rename across almost everywhere! Alongside the namespace change, we now have the following names: * JS::NonnullGCPtr -> GC::Ref * JS::GCPtr -> GC::Ptr * JS::HeapFunction -> GC::Function * JS::CellImpl -> GC::Cell * JS::Handle -> GC::Root
188 lines
8.4 KiB
C++
188 lines
8.4 KiB
C++
/*
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* Copyright (c) 2020-2022, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/HTMLTableCellElementPrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/Parser/Parser.h>
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#include <LibWeb/CSS/StyleProperties.h>
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#include <LibWeb/CSS/StyleValues/CSSColorValue.h>
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#include <LibWeb/CSS/StyleValues/CSSKeywordValue.h>
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#include <LibWeb/CSS/StyleValues/ImageStyleValue.h>
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#include <LibWeb/CSS/StyleValues/LengthStyleValue.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/HTMLCollection.h>
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#include <LibWeb/HTML/HTMLTableCellElement.h>
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#include <LibWeb/HTML/HTMLTableElement.h>
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#include <LibWeb/HTML/Numbers.h>
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#include <LibWeb/HTML/Parser/HTMLParser.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(HTMLTableCellElement);
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HTMLTableCellElement::HTMLTableCellElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: HTMLElement(document, move(qualified_name))
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{
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}
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HTMLTableCellElement::~HTMLTableCellElement() = default;
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void HTMLTableCellElement::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLTableCellElement);
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}
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void HTMLTableCellElement::apply_presentational_hints(CSS::StyleProperties& style) const
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{
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for_each_attribute([&](auto& name, auto& value) {
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if (name == HTML::AttributeNames::bgcolor) {
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// https://html.spec.whatwg.org/multipage/rendering.html#tables-2:rules-for-parsing-a-legacy-colour-value
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auto color = parse_legacy_color_value(value);
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if (color.has_value())
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style.set_property(CSS::PropertyID::BackgroundColor, CSS::CSSColorValue::create_from_color(color.value()));
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return;
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}
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if (name == HTML::AttributeNames::valign) {
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if (auto parsed_value = parse_css_value(CSS::Parser::ParsingContext { document() }, value, CSS::PropertyID::VerticalAlign))
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style.set_property(CSS::PropertyID::VerticalAlign, parsed_value.release_nonnull());
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return;
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}
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if (name == HTML::AttributeNames::align) {
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if (value.equals_ignoring_ascii_case("center"sv) || value.equals_ignoring_ascii_case("middle"sv)) {
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style.set_property(CSS::PropertyID::TextAlign, CSS::CSSKeywordValue::create(CSS::Keyword::LibwebCenter));
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} else if (value.equals_ignoring_ascii_case("left"sv)) {
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style.set_property(CSS::PropertyID::TextAlign, CSS::CSSKeywordValue::create(CSS::Keyword::LibwebLeft));
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} else if (value.equals_ignoring_ascii_case("right"sv)) {
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style.set_property(CSS::PropertyID::TextAlign, CSS::CSSKeywordValue::create(CSS::Keyword::LibwebRight));
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} else {
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if (auto parsed_value = parse_css_value(CSS::Parser::ParsingContext { document() }, value, CSS::PropertyID::TextAlign))
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style.set_property(CSS::PropertyID::TextAlign, parsed_value.release_nonnull());
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}
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return;
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}
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if (name == HTML::AttributeNames::width) {
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if (auto parsed_value = parse_nonzero_dimension_value(value))
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style.set_property(CSS::PropertyID::Width, parsed_value.release_nonnull());
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return;
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} else if (name == HTML::AttributeNames::height) {
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if (auto parsed_value = parse_nonzero_dimension_value(value))
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style.set_property(CSS::PropertyID::Height, parsed_value.release_nonnull());
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return;
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} else if (name == HTML::AttributeNames::background) {
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if (auto parsed_value = document().parse_url(value); parsed_value.is_valid())
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style.set_property(CSS::PropertyID::BackgroundImage, CSS::ImageStyleValue::create(parsed_value));
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return;
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}
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});
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auto const table_element = first_ancestor_of_type<HTMLTableElement>();
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if (!table_element)
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return;
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if (auto padding = table_element->padding()) {
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style.set_property(CSS::PropertyID::PaddingTop, CSS::LengthStyleValue::create(CSS::Length::make_px(padding)));
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style.set_property(CSS::PropertyID::PaddingBottom, CSS::LengthStyleValue::create(CSS::Length::make_px(padding)));
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style.set_property(CSS::PropertyID::PaddingLeft, CSS::LengthStyleValue::create(CSS::Length::make_px(padding)));
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style.set_property(CSS::PropertyID::PaddingRight, CSS::LengthStyleValue::create(CSS::Length::make_px(padding)));
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}
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auto border = table_element->border();
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if (!border)
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return;
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auto apply_border_style = [&](CSS::PropertyID style_property, CSS::PropertyID width_property, CSS::PropertyID color_property) {
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style.set_property(style_property, CSS::CSSKeywordValue::create(CSS::Keyword::Inset));
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style.set_property(width_property, CSS::LengthStyleValue::create(CSS::Length::make_px(1)));
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style.set_property(color_property, table_element->computed_css_values()->property(color_property));
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};
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apply_border_style(CSS::PropertyID::BorderLeftStyle, CSS::PropertyID::BorderLeftWidth, CSS::PropertyID::BorderLeftColor);
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apply_border_style(CSS::PropertyID::BorderTopStyle, CSS::PropertyID::BorderTopWidth, CSS::PropertyID::BorderTopColor);
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apply_border_style(CSS::PropertyID::BorderRightStyle, CSS::PropertyID::BorderRightWidth, CSS::PropertyID::BorderRightColor);
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apply_border_style(CSS::PropertyID::BorderBottomStyle, CSS::PropertyID::BorderBottomWidth, CSS::PropertyID::BorderBottomColor);
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}
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// This implements step 8 in the spec here:
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// https://html.spec.whatwg.org/multipage/tables.html#algorithm-for-processing-rows
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unsigned int HTMLTableCellElement::col_span() const
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{
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auto optional_value = Web::HTML::parse_non_negative_integer(get_attribute_value(HTML::AttributeNames::colspan));
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// If parsing that value failed, or returned zero, or if the attribute is absent, then let colspan be 1, instead.
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if (!optional_value.has_value() || optional_value.value() == 0) {
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return 1;
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}
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auto value = optional_value.value();
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// If colspan is greater than 1000, let it be 1000 instead.
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if (value > 1000) {
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return 1000;
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}
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return value;
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}
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WebIDL::ExceptionOr<void> HTMLTableCellElement::set_col_span(unsigned int value)
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{
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return set_attribute(HTML::AttributeNames::colspan, String::number(value));
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}
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// This implements step 9 in the spec here:
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// https://html.spec.whatwg.org/multipage/tables.html#algorithm-for-processing-rows
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unsigned int HTMLTableCellElement::row_span() const
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{
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// If parsing that value failed or if the attribute is absent, then let rowspan be 1, instead.
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auto value = Web::HTML::parse_non_negative_integer(get_attribute_value(HTML::AttributeNames::rowspan)).value_or(1);
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// If rowspan is greater than 65534, let it be 65534 instead.
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if (value > 65534) {
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return 65534;
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}
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return value;
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}
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WebIDL::ExceptionOr<void> HTMLTableCellElement::set_row_span(unsigned int value)
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{
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return set_attribute(HTML::AttributeNames::rowspan, String::number(value));
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}
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// https://html.spec.whatwg.org/multipage/tables.html#dom-tdth-cellindex
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WebIDL::Long HTMLTableCellElement::cell_index() const
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{
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// The cellIndex IDL attribute must, if the element has a parent tr element, return the index of the cell's
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// element in the parent element's cells collection. If there is no such parent element, then the attribute
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// must return −1.
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auto const* parent = first_ancestor_of_type<HTMLTableRowElement>();
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if (!parent)
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return -1;
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auto rows = parent->cells()->collect_matching_elements();
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for (size_t i = 0; i < rows.size(); ++i) {
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if (rows[i] == this)
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return i;
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}
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return -1;
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}
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Optional<ARIA::Role> HTMLTableCellElement::default_role() const
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{
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// TODO: For td:
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// role=cell if the ancestor table element is exposed as a role=table
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// role=gridcell if the ancestor table element is exposed as a role=grid or treegrid
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// No corresponding role if the ancestor table element is not exposed as a role=table, grid or treegrid
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// For th:
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// role=columnheader, rowheader or cell if the ancestor table element is exposed as a role=table
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// role=columnheader, rowheader or gridcell if the ancestor table element is exposed as a role=grid or treegrid
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// No corresponding role if the ancestor table element is not exposed as a role=table, grid or treegrid
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// https://www.w3.org/TR/html-aria/#el-td
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// https://www.w3.org/TR/html-aria/#el-th
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return {};
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}
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}
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