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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::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::EventHandlerBinding::EventHandlerNonNull;
use dom::bindings::codegen::Bindings::EventSourceBinding::{EventSourceInit, EventSourceMethods, Wrap};
use dom::bindings::error::{Error, Fallible};
use dom::bindings::global::GlobalRef;
use dom::bindings::js::Root;
use dom::bindings::reflector::reflect_dom_object;
use dom::bindings::str::DOMString;
use dom::eventtarget::EventTarget;
use std::cell::Cell;
use url::Url;
#[derive(JSTraceable, PartialEq, Copy, Clone, Debug, HeapSizeOf)]
enum EventSourceReadyState {
Connecting = 0,
#[allow(dead_code)]
Open = 1,
Closed = 2
}
#[dom_struct]
pub struct EventSource {
eventtarget: EventTarget,
url: Url,
ready_state: Cell<EventSourceReadyState>,
with_credentials: bool,
last_event_id: DOMRefCell<DOMString>
}
impl EventSource {
fn new_inherited(url: Url, with_credentials: bool) -> EventSource {
EventSource {
eventtarget: EventTarget::new_inherited(),
url: url,
ready_state: Cell::new(EventSourceReadyState::Connecting),
with_credentials: with_credentials,
last_event_id: DOMRefCell::new(DOMString::from(""))
}
}
fn new(global: GlobalRef, url: Url, with_credentials: bool) -> Root<EventSource> {
reflect_dom_object(box EventSource::new_inherited(url, with_credentials), global, Wrap)
}
pub fn Constructor(global: GlobalRef,
url_str: DOMString,
event_source_init: &EventSourceInit) -> Fallible<Root<EventSource>> {
// Steps 1-2
let base_url = global.get_url();
let url = match base_url.join(&*url_str) {
Ok(u) => u,
Err(_) => return Err(Error::Syntax)
};
// Step 3
let event_source = EventSource::new(global, url, event_source_init.withCredentials);
// Step 4
// Step 5
// Step 6
// Step 7
// Step 8
// Step 9
// Step 10
// Step 11
Ok(event_source)
// Step 12
}
}
impl EventSourceMethods for EventSource {
// https://html.spec.whatwg.org/multipage/#handler-eventsource-onopen
event_handler!(open, GetOnopen, SetOnopen);
// https://html.spec.whatwg.org/multipage/#handler-eventsource-onmessage
event_handler!(message, GetOnmessage, SetOnmessage);
// https://html.spec.whatwg.org/multipage/#handler-eventsource-onerror
event_handler!(error, GetOnerror, SetOnerror);
// https://html.spec.whatwg.org/multipage/#dom-eventsource-url
fn Url(&self) -> DOMString {
DOMString::from(self.url.as_str())
}
// https://html.spec.whatwg.org/multipage/#dom-eventsource-withcredentials
fn WithCredentials(&self) -> bool {
self.with_credentials
}
// https://html.spec.whatwg.org/multipage/#dom-eventsource-readystate
fn ReadyState(&self) -> u16 {
self.ready_state.get() as u16
}
// https://html.spec.whatwg.org/multipage/#dom-eventsource-close
fn Close(&self) {
self.ready_state.set(EventSourceReadyState::Closed);
// TODO: Terminate ongoing fetch
}
}
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