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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::refcounted::Trusted;
use dom::event::{EventBubbles, EventCancelable};
use dom::eventtarget::EventTarget;
use script_thread::MainThreadScriptMsg;
use std::result::Result;
use std::sync::mpsc::Sender;
use string_cache::Atom;
use task_source::TaskSource;
#[derive(JSTraceable)]
pub struct UserInteractionTaskSource(pub Sender<MainThreadScriptMsg>);
impl TaskSource<UserInteractionTask> for UserInteractionTaskSource {
fn queue(&self, msg: UserInteractionTask) -> Result<(), ()> {
self.0.send(MainThreadScriptMsg::UserInteraction(msg)).map_err(|_| ())
}
}
impl UserInteractionTaskSource {
pub fn queue_event(&self,
target: &EventTarget,
name: Atom,
bubbles: EventBubbles,
cancelable: EventCancelable) {
let target = Trusted::new(target);
let _ = self.0.send(MainThreadScriptMsg::UserInteraction(UserInteractionTask::FireEvent(
target, name, bubbles, cancelable)));
}
pub fn clone(&self) -> UserInteractionTaskSource {
UserInteractionTaskSource((&self.0).clone())
}
}
pub enum UserInteractionTask {
// https://dom.spec.whatwg.org/#concept-event-fire
FireEvent(Trusted<EventTarget>, Atom, EventBubbles, EventCancelable),
}
impl UserInteractionTask {
pub fn handle_task(self) {
use self::UserInteractionTask::*;
match self {
FireEvent(element, name, bubbles, cancelable) => {
let target = element.root();
target.fire_event(&*name, bubbles, cancelable);
}
}
}
}
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