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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::Bindings::AttrBinding::AttrMethods;
use dom::bindings::codegen::Bindings::HTMLScriptElementBinding;
use dom::bindings::codegen::Bindings::HTMLScriptElementBinding::HTMLScriptElementMethods;
use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use dom::bindings::codegen::InheritTypes::HTMLScriptElementDerived;
use dom::bindings::codegen::InheritTypes::{ElementCast, NodeCast};
use dom::bindings::js::{JSRef, Temporary, OptionalRootable};
use dom::bindings::utils::{Reflectable, Reflector};
use dom::document::Document;
use dom::element::{HTMLScriptElementTypeId, Element, AttributeHandlers};
use dom::eventtarget::{EventTarget, NodeTargetTypeId};
use dom::htmlelement::HTMLElement;
use dom::node::{Node, NodeHelpers, ElementNodeTypeId};
use servo_util::namespace::Null;
use servo_util::str::{DOMString, HTML_SPACE_CHARACTERS, StaticStringVec};
#[deriving(Encodable)]
#[must_root]
pub struct HTMLScriptElement {
pub htmlelement: HTMLElement,
}
impl HTMLScriptElementDerived for EventTarget {
fn is_htmlscriptelement(&self) -> bool {
self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLScriptElementTypeId))
}
}
impl HTMLScriptElement {
pub fn new_inherited(localName: DOMString, document: &JSRef<Document>) -> HTMLScriptElement {
HTMLScriptElement {
htmlelement: HTMLElement::new_inherited(HTMLScriptElementTypeId, localName, document)
}
}
#[allow(unrooted_must_root)]
pub fn new(localName: DOMString, document: &JSRef<Document>) -> Temporary<HTMLScriptElement> {
let element = HTMLScriptElement::new_inherited(localName, document);
Node::reflect_node(box element, document, HTMLScriptElementBinding::Wrap)
}
}
pub trait HTMLScriptElementHelpers {
/// Prepare a script (<http://www.whatwg.org/html/#prepare-a-script>),
/// steps 6 and 7.
fn is_javascript(&self) -> bool;
}
/// Supported script types as defined by
/// <http://whatwg.org/html/#support-the-scripting-language>.
static SCRIPT_JS_MIMES: StaticStringVec = &[
"application/ecmascript",
"application/javascript",
"application/x-ecmascript",
"application/x-javascript",
"text/ecmascript",
"text/javascript",
"text/javascript1.0",
"text/javascript1.1",
"text/javascript1.2",
"text/javascript1.3",
"text/javascript1.4",
"text/javascript1.5",
"text/jscript",
"text/livescript",
"text/x-ecmascript",
"text/x-javascript",
];
impl<'a> HTMLScriptElementHelpers for JSRef<'a, HTMLScriptElement> {
fn is_javascript(&self) -> bool {
let element: &JSRef<Element> = ElementCast::from_ref(self);
match element.get_attribute(Null, "type").root().map(|s| s.Value()) {
Some(ref s) if s.is_empty() => {
// type attr exists, but empty means js
debug!("script type empty, inferring js");
true
},
Some(ref s) => {
debug!("script type={:s}", *s);
SCRIPT_JS_MIMES.contains(&s.as_slice().trim_chars(HTML_SPACE_CHARACTERS))
},
None => {
debug!("no script type");
match element.get_attribute(Null, "language").root().map(|s| s.Value()) {
Some(ref s) if s.is_empty() => {
debug!("script language empty, inferring js");
true
},
Some(ref s) => {
debug!("script language={:s}", *s);
SCRIPT_JS_MIMES.contains(&"text/".to_string().append(s.as_slice()).as_slice())
},
None => {
debug!("no script type or language, inferring js");
true
}
}
}
}
}
}
impl<'a> HTMLScriptElementMethods for JSRef<'a, HTMLScriptElement> {
fn Src(&self) -> DOMString {
let element: &JSRef<Element> = ElementCast::from_ref(self);
element.get_url_attribute("src")
}
// http://www.whatwg.org/html/#dom-script-text
fn Text(&self) -> DOMString {
let node: &JSRef<Node> = NodeCast::from_ref(self);
Node::collect_text_contents(node.children())
}
// http://www.whatwg.org/html/#dom-script-text
fn SetText(&self, value: DOMString) {
let node: &JSRef<Node> = NodeCast::from_ref(self);
node.SetTextContent(Some(value))
}
}
impl Reflectable for HTMLScriptElement {
fn reflector<'a>(&'a self) -> &'a Reflector {
self.htmlelement.reflector()
}
}
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