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Fix media session action handling

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Fernando Jiménez Moreno 2019-11-12 22:09:39 +01:00
parent 9da1dd3592
commit b048d7faf7
9 changed files with 54 additions and 121 deletions
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12
components/script/dom/navigator.rs
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@ -21,7 +21,6 @@ use crate::dom::promise::Promise;
use crate::dom::serviceworkercontainer::ServiceWorkerContainer;
use crate::dom::window::Window;
use crate::dom::xr::XR;
use crate::script_thread::ScriptThread;
use dom_struct::dom_struct;
use std::rc::Rc;
@ -194,23 +193,16 @@ impl NavigatorMethods for Navigator {
/// https://w3c.github.io/mediasession/#dom-navigator-mediasession
fn MediaSession(&self) -> DomRoot<MediaSession> {
self.mediasession.or_init(|| {
// There is a single MediaSession instance per browsing context
// There is a single MediaSession instance per Pipeline
// and only one active MediaSession globally.
//
// MediaSession creation can happen in two cases:
//
// - If content gets `navigator.mediaSession`
// - If a media instance (HTMLMediaElement so far) starts playing media.
//
// The MediaSession constructor is in charge of registering itself with
// the script thread.
let global = self.global();
let window = global.as_window();
let browsing_context_id = window.window_proxy().browsing_context_id();
match ScriptThread::get_media_session(browsing_context_id) {
Some(session) => session,
None => MediaSession::new(window),
}
MediaSession::new(window)
})
}
}