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path: root/components/script/dom/htmltablecellelement.rs
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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 dom::bindings::codegen::InheritTypes::{HTMLElementCast, HTMLTableCellElementDerived};
use dom::bindings::js::JSRef;
use dom::bindings::utils::{Reflectable, Reflector};
use dom::document::Document;
use dom::element::{ElementTypeId, HTMLTableDataCellElementTypeId};
use dom::element::{HTMLTableHeaderCellElementTypeId};
use dom::eventtarget::{EventTarget, NodeTargetTypeId};
use dom::htmlelement::HTMLElement;
use dom::node::ElementNodeTypeId;
use dom::virtualmethods::VirtualMethods;

use servo_util::str::{AutoLpa, DOMString, LengthOrPercentageOrAuto};
use servo_util::str;
use std::cell::Cell;
use string_cache::Atom;

#[jstraceable]
#[must_root]
#[privatize]
pub struct HTMLTableCellElement {
    htmlelement: HTMLElement,
    width: Cell<LengthOrPercentageOrAuto>,
}

impl HTMLTableCellElementDerived for EventTarget {
    fn is_htmltablecellelement(&self) -> bool {
        match *self.type_id() {
            NodeTargetTypeId(ElementNodeTypeId(HTMLTableDataCellElementTypeId)) |
            NodeTargetTypeId(ElementNodeTypeId(HTMLTableHeaderCellElementTypeId)) => true,
            _ => false
        }
    }
}

impl HTMLTableCellElement {
    pub fn new_inherited(type_id: ElementTypeId, tag_name: DOMString, prefix: Option<DOMString>, document: JSRef<Document>) -> HTMLTableCellElement {
        HTMLTableCellElement {
            htmlelement: HTMLElement::new_inherited(type_id, tag_name, prefix, document),
            width: Cell::new(AutoLpa)
        }
    }

    #[inline]
    pub fn htmlelement(&self) -> &HTMLElement {
        &self.htmlelement
    }
}

pub trait HTMLTableCellElementHelpers {
    fn get_width(&self) -> LengthOrPercentageOrAuto;
}

impl HTMLTableCellElementHelpers for HTMLTableCellElement {
    fn get_width(&self) -> LengthOrPercentageOrAuto {
        self.width.get()
    }
}

impl<'a> VirtualMethods for JSRef<'a, HTMLTableCellElement> {
    fn super_type<'a>(&'a self) -> Option<&'a VirtualMethods> {
        let htmlelement: &JSRef<HTMLElement> = HTMLElementCast::from_borrowed_ref(self);
        Some(htmlelement as &VirtualMethods)
    }

    fn after_set_attr(&self, name: &Atom, value: DOMString) {
        match self.super_type() {
            Some(ref s) => s.after_set_attr(name, value.clone()),
            _ => {}
        }

        match name.as_slice() {
            "width" => self.width.set(str::parse_length(value.as_slice())),
            _ => {}
        }
    }

    fn before_remove_attr(&self, name: &Atom, value: DOMString) {
        match self.super_type() {
            Some(ref s) => s.before_remove_attr(name, value),
            _ => {}
        }

        match name.as_slice() {
            "width" => self.width.set(AutoLpa),
            _ => {}
        }
    }
}

impl Reflectable for HTMLTableCellElement {
    fn reflector<'a>(&'a self) -> &'a Reflector {
        self.htmlelement.reflector()
    }
}