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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use cssparser::RGBA;
use dom::attr::{Attr, AttrValue};
use dom::bindings::codegen::Bindings::HTMLTableCellElementBinding::HTMLTableCellElementMethods;
use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::LayoutJS;
use dom::document::Document;
use dom::element::{AttributeMutation, Element, RawLayoutElementHelpers};
use dom::htmlelement::HTMLElement;
use dom::htmltablerowelement::HTMLTableRowElement;
use dom::node::Node;
use dom::virtualmethods::VirtualMethods;
use std::cell::Cell;
use string_cache::Atom;
use util::str::{self, DOMString, LengthOrPercentageOrAuto};
const DEFAULT_COLSPAN: u32 = 1;
#[dom_struct]
pub struct HTMLTableCellElement {
htmlelement: HTMLElement,
width: Cell<LengthOrPercentageOrAuto>,
}
impl HTMLTableCellElement {
pub fn new_inherited(tag_name: Atom,
prefix: Option<DOMString>,
document: &Document)
-> HTMLTableCellElement {
HTMLTableCellElement {
htmlelement: HTMLElement::new_inherited(tag_name, prefix, document),
width: Cell::new(LengthOrPercentageOrAuto::Auto),
}
}
#[inline]
pub fn htmlelement(&self) -> &HTMLElement {
&self.htmlelement
}
}
impl HTMLTableCellElementMethods for HTMLTableCellElement {
// https://html.spec.whatwg.org/multipage/#dom-tdth-colspan
make_uint_getter!(ColSpan, "colspan", DEFAULT_COLSPAN);
// https://html.spec.whatwg.org/multipage/#dom-tdth-colspan
make_uint_setter!(SetColSpan, "colspan", DEFAULT_COLSPAN);
// https://html.spec.whatwg.org/multipage/#dom-tdth-bgcolor
make_getter!(BgColor, "bgcolor");
// https://html.spec.whatwg.org/multipage/#dom-tdth-bgcolor
make_legacy_color_setter!(SetBgColor, "bgcolor");
// https://html.spec.whatwg.org/multipage/#dom-tdth-cellindex
fn CellIndex(&self) -> i32 {
let self_node = self.upcast::<Node>();
let parent_children = match self_node.GetParentNode() {
Some(ref parent_node) if parent_node.is::<HTMLTableRowElement>() => {
parent_node.children()
},
_ => return -1,
};
parent_children.filter(|c| c.is::<HTMLTableCellElement>())
.position(|c| c.r() == self_node)
.map(|p| p as i32).unwrap_or(-1)
}
}
pub trait HTMLTableCellElementLayoutHelpers {
fn get_background_color(&self) -> Option<RGBA>;
fn get_colspan(&self) -> Option<u32>;
fn get_width(&self) -> LengthOrPercentageOrAuto;
}
#[allow(unsafe_code)]
impl HTMLTableCellElementLayoutHelpers for LayoutJS<HTMLTableCellElement> {
fn get_background_color(&self) -> Option<RGBA> {
unsafe {
(&*self.upcast::<Element>().unsafe_get())
.get_attr_for_layout(&ns!(), &atom!("bgcolor"))
.and_then(AttrValue::as_color)
.cloned()
}
}
fn get_colspan(&self) -> Option<u32> {
unsafe {
(&*self.upcast::<Element>().unsafe_get())
.get_attr_for_layout(&ns!(), &atom!("colspan"))
.map(AttrValue::as_uint)
}
}
fn get_width(&self) -> LengthOrPercentageOrAuto {
unsafe {
(*self.unsafe_get()).width.get()
}
}
}
impl VirtualMethods for HTMLTableCellElement {
fn super_type(&self) -> Option<&VirtualMethods> {
Some(self.upcast::<HTMLElement>() as &VirtualMethods)
}
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
self.super_type().unwrap().attribute_mutated(attr, mutation);
match *attr.local_name() {
atom!("width") => {
let width = mutation.new_value(attr).map(|value| {
str::parse_length(&value)
});
self.width.set(width.unwrap_or(LengthOrPercentageOrAuto::Auto));
},
_ => {},
}
}
fn parse_plain_attribute(&self, local_name: &Atom, value: DOMString) -> AttrValue {
match *local_name {
atom!("colspan") => AttrValue::from_u32(value, DEFAULT_COLSPAN),
atom!("bgcolor") => AttrValue::from_legacy_color(value),
_ => self.super_type().unwrap().parse_plain_attribute(local_name, value),
}
}
}
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