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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 script_runtime::{CommonScriptMsg, ScriptChan, ScriptThreadEventCategory};
use task::{TaskCanceller, TaskOnce};
use task_source::TaskSource;
#[derive(JSTraceable)]
pub struct NetworkingTaskSource(pub Box<ScriptChan + Send + 'static>);
impl Clone for NetworkingTaskSource {
fn clone(&self) -> NetworkingTaskSource {
NetworkingTaskSource(self.0.clone())
}
}
impl TaskSource for NetworkingTaskSource {
fn queue_with_canceller<T>(
&self,
task: T,
canceller: &TaskCanceller,
) -> Result<(), ()>
where
T: TaskOnce + 'static,
{
self.0.send(CommonScriptMsg::Task(
ScriptThreadEventCategory::NetworkEvent,
Box::new(canceller.wrap_task(task)),
))
}
}
impl NetworkingTaskSource {
/// This queues a task that will not be cancelled when its associated
/// global scope gets destroyed.
pub fn queue_unconditionally<T>(&self, task: T) -> Result<(), ()>
where
T: TaskOnce + 'static,
{
self.0.send(CommonScriptMsg::Task(
ScriptThreadEventCategory::NetworkEvent,
Box::new(task),
))
}
}
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