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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, EventRunnable, SimpleEventRunnable};
use dom::eventtarget::EventTarget;
use script_thread::{MainThreadScriptMsg, Runnable, ScriptThread};
use std::result::Result;
use std::sync::mpsc::Sender;
use string_cache::Atom;
use task_source::TaskSource;
#[derive(JSTraceable, Clone)]
pub struct DOMManipulationTaskSource(pub Sender<MainThreadScriptMsg>);
impl TaskSource<DOMManipulationTask> for DOMManipulationTaskSource {
fn queue(&self, msg: DOMManipulationTask) -> Result<(), ()> {
self.0.send(MainThreadScriptMsg::DOMManipulation(msg)).map_err(|_| ())
}
}
impl DOMManipulationTaskSource {
pub fn queue_event(&self,
target: &EventTarget,
name: Atom,
bubbles: EventBubbles,
cancelable: EventCancelable) {
let target = Trusted::new(target);
let runnable = box EventRunnable {
target: target,
name: name,
bubbles: bubbles,
cancelable: cancelable,
};
let _ = self.queue(DOMManipulationTask(runnable));
}
pub fn queue_simple_event(&self, target: &EventTarget, name: Atom) {
let target = Trusted::new(target);
let runnable = box SimpleEventRunnable {
target: target,
name: name,
};
let _ = self.queue(DOMManipulationTask(runnable));
}
}
pub struct DOMManipulationTask(pub Box<Runnable + Send>);
impl DOMManipulationTask {
pub fn handle_task(self, script_thread: &ScriptThread) {
if !self.0.is_cancelled() {
self.0.main_thread_handler(script_thread);
}
}
}
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