a6c6efb7e6
<!-- Please describe your changes on the following line: --> Automatically verify that derive() lists are alphabetically ordered #18172 --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [X] `./mach build -d` does not report any errors - [X] `./mach test-tidy` does not report any errors - [X] These changes fix #18172 (github issue number if applicable). <!-- Either: --> - [X] There are tests for these changes OR - [ ] These changes do not require tests because _____ <!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.--> <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> Source-Repo: https://github.com/servo/servo Source-Revision: 474369618965569407d127b1e8c481e757cc59d3
67 lines
2.5 KiB
Rust
67 lines
2.5 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 dom::abstractworker::WorkerScriptMsg;
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use dom::bindings::refcounted::Trusted;
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use dom::bindings::reflector::DomObject;
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use dom::bindings::trace::JSTraceable;
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use script_runtime::{ScriptChan, CommonScriptMsg, ScriptPort};
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use std::sync::mpsc::{Receiver, Sender};
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/// A ScriptChan that can be cloned freely and will silently send a TrustedWorkerAddress with
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/// common event loop messages. While this SendableWorkerScriptChan is alive, the associated
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/// Worker object will remain alive.
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#[derive(Clone, JSTraceable)]
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pub struct SendableWorkerScriptChan<T: DomObject> {
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pub sender: Sender<(Trusted<T>, CommonScriptMsg)>,
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pub worker: Trusted<T>,
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}
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impl<T: JSTraceable + DomObject + 'static> ScriptChan for SendableWorkerScriptChan<T> {
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fn send(&self, msg: CommonScriptMsg) -> Result<(), ()> {
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self.sender.send((self.worker.clone(), msg)).map_err(|_| ())
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}
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fn clone(&self) -> Box<ScriptChan + Send> {
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box SendableWorkerScriptChan {
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sender: self.sender.clone(),
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worker: self.worker.clone(),
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}
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}
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}
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/// A ScriptChan that can be cloned freely and will silently send a TrustedWorkerAddress with
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/// worker event loop messages. While this SendableWorkerScriptChan is alive, the associated
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/// Worker object will remain alive.
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#[derive(Clone, JSTraceable)]
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pub struct WorkerThreadWorkerChan<T: DomObject> {
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pub sender: Sender<(Trusted<T>, WorkerScriptMsg)>,
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pub worker: Trusted<T>,
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}
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impl<T: JSTraceable + DomObject + 'static> ScriptChan for WorkerThreadWorkerChan<T> {
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fn send(&self, msg: CommonScriptMsg) -> Result<(), ()> {
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self.sender
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.send((self.worker.clone(), WorkerScriptMsg::Common(msg)))
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.map_err(|_| ())
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}
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fn clone(&self) -> Box<ScriptChan + Send> {
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box WorkerThreadWorkerChan {
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sender: self.sender.clone(),
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worker: self.worker.clone(),
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}
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}
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}
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impl<T: DomObject> ScriptPort for Receiver<(Trusted<T>, WorkerScriptMsg)> {
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fn recv(&self) -> Result<CommonScriptMsg, ()> {
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match self.recv().map(|(_, msg)| msg) {
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Ok(WorkerScriptMsg::Common(script_msg)) => Ok(script_msg),
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Ok(WorkerScriptMsg::DOMMessage(_)) => panic!("unexpected worker event message!"),
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Err(_) => Err(()),
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}
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}
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}
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