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https://github.com/servo/servo.git
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02ae1f448e
This adds support for table rows, columns, rowgroups and colgroups. There are few additions here: 1. The createion of fragments, which allows script queries and hit testing to work properly. These fragments are empty as all cells are still direct descendants of the table fragment. 2. Properly handling size information from tracks and track groups as well as frustrating rules about reordering rowgroups. 3. Painting a background seemlessly across track groups and groups. This is a thing that isn't done in legacy layout (nor WebKit)! Co-authored-by: Oriol Brufau <obrufau@igalia.com>
101 lines
3.2 KiB
Rust
101 lines
3.2 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use dom_struct::dom_struct;
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use html5ever::{local_name, namespace_url, ns, LocalName, Prefix};
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use js::rust::HandleObject;
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use style::attr::AttrValue;
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use super::bindings::root::LayoutDom;
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use super::element::Element;
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use crate::dom::bindings::codegen::Bindings::HTMLTableColElementBinding::HTMLTableColElementMethods;
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::bindings::str::DOMString;
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use crate::dom::document::Document;
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use crate::dom::element::LayoutElementHelpers;
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use crate::dom::htmlelement::HTMLElement;
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use crate::dom::node::Node;
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use crate::dom::virtualmethods::VirtualMethods;
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const DEFAULT_SPAN: u32 = 1;
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#[dom_struct]
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pub struct HTMLTableColElement {
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htmlelement: HTMLElement,
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}
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impl HTMLTableColElement {
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fn new_inherited(
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local_name: LocalName,
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prefix: Option<Prefix>,
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document: &Document,
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) -> HTMLTableColElement {
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HTMLTableColElement {
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htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
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}
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}
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#[allow(crown::unrooted_must_root)]
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pub fn new(
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local_name: LocalName,
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prefix: Option<Prefix>,
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document: &Document,
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proto: Option<HandleObject>,
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) -> DomRoot<HTMLTableColElement> {
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let n = Node::reflect_node_with_proto(
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Box::new(HTMLTableColElement::new_inherited(
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local_name, prefix, document,
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)),
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document,
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proto,
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);
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n.upcast::<Node>().set_weird_parser_insertion_mode();
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n
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}
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}
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impl HTMLTableColElementMethods for HTMLTableColElement {
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// <https://html.spec.whatwg.org/multipage/#attr-col-span>
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make_uint_getter!(Span, "span", DEFAULT_SPAN);
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// <https://html.spec.whatwg.org/multipage/#attr-col-span>
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make_uint_setter!(SetSpan, "span", DEFAULT_SPAN);
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}
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pub trait HTMLTableColElementLayoutHelpers<'dom> {
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fn get_span(self) -> Option<u32>;
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}
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impl<'dom> HTMLTableColElementLayoutHelpers<'dom> for LayoutDom<'dom, HTMLTableColElement> {
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fn get_span(self) -> Option<u32> {
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self.upcast::<Element>()
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.get_attr_for_layout(&ns!(), &local_name!("span"))
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.map(AttrValue::as_uint)
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}
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}
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impl VirtualMethods for HTMLTableColElement {
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fn super_type(&self) -> Option<&dyn VirtualMethods> {
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Some(self.upcast::<HTMLElement>() as &dyn VirtualMethods)
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}
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fn parse_plain_attribute(&self, local_name: &LocalName, value: DOMString) -> AttrValue {
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match *local_name {
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local_name!("span") => {
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let mut attr = AttrValue::from_u32(value.into(), DEFAULT_SPAN);
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if let AttrValue::UInt(_, ref mut val) = attr {
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if *val == 0 {
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*val = 1;
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}
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}
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attr
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},
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_ => self
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.super_type()
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.unwrap()
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.parse_plain_attribute(local_name, value),
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}
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}
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}
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