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https://github.com/servo/servo.git
synced 2025-08-05 21:50:18 +01:00
Fix media session action handling
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parent
9da1dd3592
commit
b048d7faf7
9 changed files with 54 additions and 121 deletions
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@ -16,10 +16,9 @@ use crate::dom::bindings::root::{DomRoot, MutNullableDom};
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use crate::dom::htmlmediaelement::HTMLMediaElement;
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use crate::dom::mediametadata::MediaMetadata;
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use crate::dom::window::Window;
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use crate::script_thread::ScriptThread;
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use dom_struct::dom_struct;
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use embedder_traits::MediaSessionEvent;
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use msg::constellation_msg::BrowsingContextId;
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use msg::constellation_msg::PipelineId;
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use script_traits::MediaSessionActionType;
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use script_traits::ScriptMsg;
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use std::collections::HashMap;
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@ -42,7 +41,7 @@ pub struct MediaSession {
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impl MediaSession {
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#[allow(unrooted_must_root)]
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fn new_inherited(browsing_context_id: BrowsingContextId) -> MediaSession {
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fn new_inherited() -> MediaSession {
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let media_session = MediaSession {
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reflector_: Reflector::new(),
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metadata: Default::default(),
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@ -50,14 +49,12 @@ impl MediaSession {
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action_handlers: DomRefCell::new(HashMap::new()),
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media_instance: Default::default(),
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};
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ScriptThread::register_media_session(&media_session, browsing_context_id);
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media_session
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}
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pub fn new(window: &Window) -> DomRoot<MediaSession> {
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let browsing_context_id = window.window_proxy().browsing_context_id();
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reflect_dom_object(
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Box::new(MediaSession::new_inherited(browsing_context_id)),
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Box::new(MediaSession::new_inherited()),
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window,
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MediaSessionBinding::Wrap,
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)
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@ -68,7 +65,8 @@ impl MediaSession {
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}
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pub fn handle_action(&self, action: MediaSessionActionType) {
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debug!("Handle media session action {:?} {:?}", action);
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debug!("Handle media session action {:?}", action);
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if let Some(handler) = self.action_handlers.borrow().get(&action) {
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if handler.Call__(ExceptionHandling::Report).is_err() {
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warn!("Error calling MediaSessionActionHandler callback");
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@ -100,8 +98,10 @@ impl MediaSession {
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pub fn send_event(&self, event: MediaSessionEvent) {
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let global = self.global();
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let window = global.as_window();
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let browsing_context_id = window.window_proxy().browsing_context_id();
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window.send_to_constellation(ScriptMsg::MediaSessionEvent(browsing_context_id, event));
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let pipeline_id = window
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.pipeline_id()
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.expect("Cannot send media session event outside of a pipeline");
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window.send_to_constellation(ScriptMsg::MediaSessionEvent(pipeline_id, event));
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}
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}
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@ -145,14 +145,6 @@ impl MediaSessionMethods for MediaSession {
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}
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}
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impl Drop for MediaSession {
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fn drop(&mut self) {
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let global = self.global();
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let browsing_context_id = global.as_window().window_proxy().browsing_context_id();
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ScriptThread::remove_media_session(browsing_context_id);
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}
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}
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impl From<MediaSessionAction> for MediaSessionActionType {
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fn from(action: MediaSessionAction) -> MediaSessionActionType {
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match action {
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@ -21,7 +21,6 @@ use crate::dom::promise::Promise;
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use crate::dom::serviceworkercontainer::ServiceWorkerContainer;
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use crate::dom::window::Window;
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use crate::dom::xr::XR;
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use crate::script_thread::ScriptThread;
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use dom_struct::dom_struct;
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use std::rc::Rc;
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@ -194,23 +193,16 @@ impl NavigatorMethods for Navigator {
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/// https://w3c.github.io/mediasession/#dom-navigator-mediasession
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fn MediaSession(&self) -> DomRoot<MediaSession> {
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self.mediasession.or_init(|| {
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// There is a single MediaSession instance per browsing context
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// There is a single MediaSession instance per Pipeline
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// and only one active MediaSession globally.
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//
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// MediaSession creation can happen in two cases:
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//
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// - If content gets `navigator.mediaSession`
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// - If a media instance (HTMLMediaElement so far) starts playing media.
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//
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// The MediaSession constructor is in charge of registering itself with
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// the script thread.
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let global = self.global();
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let window = global.as_window();
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let browsing_context_id = window.window_proxy().browsing_context_id();
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match ScriptThread::get_media_session(browsing_context_id) {
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Some(session) => session,
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None => MediaSession::new(window),
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}
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MediaSession::new(window)
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})
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}
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}
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@ -51,7 +51,6 @@ use crate::dom::event::{Event, EventBubbles, EventCancelable};
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use crate::dom::globalscope::GlobalScope;
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use crate::dom::htmlanchorelement::HTMLAnchorElement;
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use crate::dom::htmliframeelement::{HTMLIFrameElement, NavigationType};
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use crate::dom::mediasession::MediaSession;
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use crate::dom::mutationobserver::MutationObserver;
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use crate::dom::node::{
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from_untrusted_node_address, window_from_node, Node, NodeDamage, ShadowIncluding,
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@ -697,11 +696,6 @@ pub struct ScriptThread {
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/// Code is running as a consequence of a user interaction
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is_user_interacting: Cell<bool>,
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/// The MediaSessions known by this thread, if any.
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/// There can only be one active MediaSession.
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/// The constellation has the BrowsingContextId of the active MediaSession, if any.
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media_sessions: DomRefCell<HashMap<BrowsingContextId, Dom<MediaSession>>>,
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}
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/// In the event of thread panic, all data on the stack runs its destructor. However, there
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@ -1371,7 +1365,6 @@ impl ScriptThread {
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node_ids: Default::default(),
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is_user_interacting: Cell::new(false),
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media_sessions: DomRefCell::new(HashMap::new()),
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}
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}
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@ -1950,8 +1943,8 @@ impl ScriptThread {
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ConstellationControlMsg::PaintMetric(pipeline_id, metric_type, metric_value) => {
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self.handle_paint_metric(pipeline_id, metric_type, metric_value)
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},
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ConstellationControlMsg::MediaSessionAction(browsing_context_id, action) => {
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self.handle_media_session_action(browsing_context_id, action)
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ConstellationControlMsg::MediaSessionAction(pipeline_id, action) => {
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self.handle_media_session_action(pipeline_id, action)
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},
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msg @ ConstellationControlMsg::AttachLayout(..) |
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msg @ ConstellationControlMsg::Viewport(..) |
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@ -3936,14 +3929,12 @@ impl ScriptThread {
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}
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}
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fn handle_media_session_action(
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&self,
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browsing_context_id: BrowsingContextId,
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action: MediaSessionActionType,
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) {
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match self.media_sessions.borrow().get(&browsing_context_id) {
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Some(session) => session.handle_action(action),
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None => warn!("No MediaSession for this browsing context"),
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fn handle_media_session_action(&self, pipeline_id: PipelineId, action: MediaSessionActionType) {
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if let Some(window) = self.documents.borrow().find_window(pipeline_id) {
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let media_session = window.Navigator().MediaSession();
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media_session.handle_action(action);
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} else {
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warn!("No MediaSession for this pipeline ID");
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};
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}
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@ -3970,42 +3961,6 @@ impl ScriptThread {
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globals,
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)
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}
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pub fn register_media_session(
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media_session: &MediaSession,
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browsing_context_id: BrowsingContextId,
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) {
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SCRIPT_THREAD_ROOT.with(|root| {
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let script_thread = unsafe { &*root.get().unwrap() };
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script_thread
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.media_sessions
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.borrow_mut()
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.insert(browsing_context_id, Dom::from_ref(media_session));
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})
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}
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pub fn remove_media_session(browsing_context_id: BrowsingContextId) {
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SCRIPT_THREAD_ROOT.with(|root| {
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let script_thread = unsafe { &*root.get().unwrap() };
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script_thread
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.media_sessions
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.borrow_mut()
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.remove(&browsing_context_id);
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})
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}
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pub fn get_media_session(
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browsing_context_id: BrowsingContextId,
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) -> Option<DomRoot<MediaSession>> {
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SCRIPT_THREAD_ROOT.with(|root| {
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let script_thread = unsafe { &*root.get().unwrap() };
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script_thread
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.media_sessions
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.borrow()
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.get(&browsing_context_id)
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.map(|s| DomRoot::from_ref(&**s))
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})
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}
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}
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impl Drop for ScriptThread {
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