/* 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::CommentDerived;
use dom::bindings::codegen::CommentBinding;
use dom::bindings::js::JS;
use dom::bindings::error::Fallible;
use dom::characterdata::CharacterData;
use dom::document::Document;
use dom::eventtarget::{EventTarget, NodeTargetTypeId};
use dom::node::{CommentNodeTypeId, Node};
use dom::window::Window;
use servo_util::str::DOMString;

/// An HTML comment.
#[deriving(Encodable)]
pub struct Comment {
    characterdata: CharacterData,
}

impl CommentDerived for EventTarget {
    fn is_comment(&self) -> bool {
        match self.type_id {
            NodeTargetTypeId(CommentNodeTypeId) => true,
            _ => false
        }
    }
}

impl Comment {
    pub fn new_inherited(text: DOMString, document: JS<Document>) -> Comment {
        Comment {
            characterdata: CharacterData::new_inherited(CommentNodeTypeId, text, document)
        }
    }

    pub fn new(text: DOMString, document: &JS<Document>) -> JS<Comment> {
        let node = Comment::new_inherited(text, document.clone());
        Node::reflect_node(~node, document, CommentBinding::Wrap)
    }

    pub fn Constructor(owner: &JS<Window>, data: DOMString) -> Fallible<JS<Comment>> {
        Ok(Comment::new(data, &owner.get().Document()))
    }
}