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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/. */
pub mod dom_manipulation;
pub mod file_reading;
pub mod history_traversal;
pub mod media_element;
pub mod networking;
pub mod performance_timeline;
pub mod remote_event;
pub mod user_interaction;
pub mod websocket;
use crate::dom::globalscope::GlobalScope;
use crate::task::{TaskCanceller, TaskOnce};
use enum_iterator::IntoEnumIterator;
use std::result::Result;
// The names of all task sources, used to differentiate TaskCancellers.
// Note: When adding a task source, update this enum.
// Note: The HistoryTraversalTaskSource is not part of this,
// because it doesn't implement TaskSource.
#[derive(Clone, Eq, Hash, IntoEnumIterator, JSTraceable, PartialEq)]
pub enum TaskSourceName {
DOMManipulation,
FileReading,
HistoryTraversal,
Networking,
PerformanceTimeline,
UserInteraction,
RemoteEvent,
MediaElement,
Websocket,
}
impl TaskSourceName {
pub fn all() -> Vec<TaskSourceName> {
TaskSourceName::into_enum_iter().collect()
}
}
pub trait TaskSource {
const NAME: TaskSourceName;
fn queue_with_canceller<T>(&self, task: T, canceller: &TaskCanceller) -> Result<(), ()>
where
T: TaskOnce + 'static;
fn queue<T>(&self, task: T, global: &GlobalScope) -> Result<(), ()>
where
T: TaskOnce + 'static,
{
let canceller = global.task_canceller(Self::NAME);
self.queue_with_canceller(task, &canceller)
}
}
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