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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, EventTask};
use dom::eventtarget::EventTarget;
use dom::window::Window;
use msg::constellation_msg::PipelineId;
use script_runtime::{CommonScriptMsg, ScriptThreadEventCategory};
use script_thread::MainThreadScriptMsg;
use servo_atoms::Atom;
use std::fmt;
use std::result::Result;
use std::sync::mpsc::Sender;
use task::{TaskCanceller, TaskOnce};
use task_source::TaskSource;
#[derive(Clone, JSTraceable)]
pub struct UserInteractionTaskSource(pub Sender<MainThreadScriptMsg>, pub PipelineId);
impl fmt::Debug for UserInteractionTaskSource {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "UserInteractionTaskSource(...)")
}
}
impl TaskSource for UserInteractionTaskSource {
fn queue_with_canceller<T>(
&self,
task: T,
canceller: &TaskCanceller,
) -> Result<(), ()>
where
T: TaskOnce + 'static,
{
let msg = MainThreadScriptMsg::Common(CommonScriptMsg::Task(
ScriptThreadEventCategory::InputEvent,
Box::new(canceller.wrap_task(task)),
Some(self.1)
));
self.0.send(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 task = EventTask { target, name, bubbles, cancelable };
let _ = self.queue(task, window.upcast());
}
}
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