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49 lines
1.5 KiB
Rust
49 lines
1.5 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use msg::constellation_msg::PipelineId;
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use script_runtime::{CommonScriptMsg, ScriptChan, ScriptThreadEventCategory};
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use task::{TaskCanceller, TaskOnce};
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use task_source::TaskSource;
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#[derive(JSTraceable)]
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pub struct NetworkingTaskSource(pub Box<ScriptChan + Send + 'static>, pub PipelineId);
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impl Clone for NetworkingTaskSource {
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fn clone(&self) -> NetworkingTaskSource {
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NetworkingTaskSource(self.0.clone(), self.1.clone())
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}
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}
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impl TaskSource for NetworkingTaskSource {
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fn queue_with_canceller<T>(
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&self,
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task: T,
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canceller: &TaskCanceller,
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) -> Result<(), ()>
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where
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T: TaskOnce + 'static,
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{
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self.0.send(CommonScriptMsg::Task(
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ScriptThreadEventCategory::NetworkEvent,
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Box::new(canceller.wrap_task(task)),
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Some(self.1),
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))
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}
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}
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impl NetworkingTaskSource {
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/// This queues a task that will not be cancelled when its associated
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/// global scope gets destroyed.
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pub fn queue_unconditionally<T>(&self, task: T) -> Result<(), ()>
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where
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T: TaskOnce + 'static,
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{
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self.0.send(CommonScriptMsg::Task(
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ScriptThreadEventCategory::NetworkEvent,
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Box::new(task),
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Some(self.1),
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))
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}
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}
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