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No tracing of nop traceable fields (#29926)

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* 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
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Samson 2023-08-04 12:17:43 +02:00 • committed by GitHub
parent 66e0d543cf
commit 9514f670d1
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167 changed files with 1903 additions and 1020 deletions
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9
components/script/dom/mediasession.rs
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@ -26,20 +26,23 @@ use embedder_traits::MediaMetadata as EmbedderMediaMetadata;
use embedder_traits::MediaSessionEvent;
use script_traits::MediaSessionActionType;
use script_traits::ScriptMsg;
use std::collections::HashMap;
use std::rc::Rc;
use super::bindings::trace::HashMapTracedValues;
#[dom_struct]
pub struct MediaSession {
reflector_: Reflector,
/// https://w3c.github.io/mediasession/#dom-mediasession-metadata
#[ignore_malloc_size_of = "defined in embedder_traits"]
#[no_trace]
metadata: DomRefCell<Option<EmbedderMediaMetadata>>,
/// https://w3c.github.io/mediasession/#dom-mediasession-playbackstate
playback_state: DomRefCell<MediaSessionPlaybackState>,
/// https://w3c.github.io/mediasession/#supported-media-session-actions
#[ignore_malloc_size_of = "Rc"]
action_handlers: DomRefCell<HashMap<MediaSessionActionType, Rc<MediaSessionActionHandler>>>,
action_handlers:
DomRefCell<HashMapTracedValues<MediaSessionActionType, Rc<MediaSessionActionHandler>>>,
/// The media instance controlled by this media session.
/// For now only HTMLMediaElements are controlled by media sessions.
media_instance: MutNullableDom<HTMLMediaElement>,
@ -52,7 +55,7 @@ impl MediaSession {
reflector_: Reflector::new(),
metadata: DomRefCell::new(None),
playback_state: DomRefCell::new(MediaSessionPlaybackState::None),
action_handlers: DomRefCell::new(HashMap::new()),
action_handlers: DomRefCell::new(HashMapTracedValues::new()),
media_instance: Default::default(),
};
media_session