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https://github.com/servo/servo.git
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9514f670d1
* Add `no_trace` option to JSTraceable derive * NoTrace wrapper * Port some types to no_trace schematics * Fixing my unsafe mistakes (not tracing traceables) * Add docs & safety guards for no_trace Safety guards (trait shenanigans) guarantees safety usage of `no_trace` * Port canvas_traits to no_trace * Port servo_media to no_trace * Port net_traits to no_trace * Port style to no_trace * Port webgpu to no_trace * Port script_traits to no_trace * Port canvas_traits, devtools_traits, embedder_traits, profile_traits to no_trace * unrooted_must_root lint in seperate file * Add trace_in_no_trace_lint as script_plugin * Composable types in must_not_have_traceable * Introduced HashMapTracedValues wrapper * `HashMap<NoTrace<K>,V>`->`HashMapTracedValues<K,V>` * Port rest of servo's types to no_trace * Port html5ever, euclid, mime and http to no_trace * Port remaining externals to no_trace * Port webxr and Arc<Mutex<_>> * Fix spelling in notrace doc
64 lines
2.2 KiB
Rust
64 lines
2.2 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 https://mozilla.org/MPL/2.0/. */
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// XXX The spec says that the performance timeline task source should be
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// a low priority task and it should be processed during idle periods.
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// We are currently treating this task queue as a normal priority queue.
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use crate::dom::bindings::refcounted::Trusted;
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use crate::dom::globalscope::GlobalScope;
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use crate::script_runtime::{CommonScriptMsg, ScriptChan, ScriptThreadEventCategory};
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use crate::task::{TaskCanceller, TaskOnce};
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use crate::task_source::{TaskSource, TaskSourceName};
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use msg::constellation_msg::PipelineId;
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use std::fmt;
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use std::result::Result;
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#[derive(JSTraceable)]
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pub struct PerformanceTimelineTaskSource(
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pub Box<dyn ScriptChan + Send + 'static>,
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#[no_trace] pub PipelineId,
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);
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impl Clone for PerformanceTimelineTaskSource {
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fn clone(&self) -> PerformanceTimelineTaskSource {
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PerformanceTimelineTaskSource(self.0.clone(), self.1.clone())
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}
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}
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impl fmt::Debug for PerformanceTimelineTaskSource {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "PerformanceTimelineTaskSource(...)")
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}
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}
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impl TaskSource for PerformanceTimelineTaskSource {
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const NAME: TaskSourceName = TaskSourceName::PerformanceTimeline;
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fn queue_with_canceller<T>(&self, task: T, canceller: &TaskCanceller) -> Result<(), ()>
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where
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T: TaskOnce + 'static,
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{
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let msg = CommonScriptMsg::Task(
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ScriptThreadEventCategory::PerformanceTimelineTask,
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Box::new(canceller.wrap_task(task)),
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Some(self.1),
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PerformanceTimelineTaskSource::NAME,
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);
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self.0.send(msg).map_err(|_| ())
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}
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}
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impl PerformanceTimelineTaskSource {
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pub fn queue_notification(&self, global: &GlobalScope) {
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let owner = Trusted::new(&*global.performance());
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// FIXME(nox): Why are errors silenced here?
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let _ = self.queue(
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task!(notify_performance_observers: move || {
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owner.root().notify_observers();
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}),
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global,
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);
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}
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}
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