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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::inheritance::Castable;
use dom::bindings::refcounted::Trusted;
use dom::event::{EventBubbles, EventCancelable, EventRunnable};
use dom::eventtarget::EventTarget;
use dom::window::Window;
use script_thread::{MainThreadScriptMsg, Runnable, RunnableWrapper, ScriptThread};
use servo_atoms::Atom;
use std::result::Result;
use std::sync::mpsc::Sender;
use task_source::TaskSource;
#[derive(JSTraceable, Clone)]
pub struct UserInteractionTaskSource(pub Sender<MainThreadScriptMsg>);
impl TaskSource for UserInteractionTaskSource {
fn queue_with_wrapper<T>(&self,
msg: Box<T>,
wrapper: &RunnableWrapper)
-> Result<(), ()>
where T: Runnable + Send + 'static {
let msg = UserInteractionTask(wrapper.wrap_runnable(msg));
self.0.send(MainThreadScriptMsg::UserInteraction(msg)).map_err(|_| ())
}
}
impl UserInteractionTaskSource {
pub fn queue_event(&self,
target: &EventTarget,
name: Atom,
bubbles: EventBubbles,
cancelable: EventCancelable,
window: &Window) {
let target = Trusted::new(target);
let runnable = box EventRunnable {
target: target,
name: name,
bubbles: bubbles,
cancelable: cancelable,
};
let _ = self.queue(runnable, window.upcast());
}
}
pub struct UserInteractionTask(pub Box<Runnable + Send>);
impl UserInteractionTask {
pub fn handle_task(self, script_thread: &ScriptThread) {
if !self.0.is_cancelled() {
self.0.main_thread_handler(script_thread);
}
}
}
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