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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::MediaSessionBinding;
use crate::dom::bindings::codegen::Bindings::MediaSessionBinding::MediaSessionAction;
use crate::dom::bindings::codegen::Bindings::MediaSessionBinding::MediaSessionActionHandler;
use crate::dom::bindings::codegen::Bindings::MediaSessionBinding::MediaSessionMethods;
use crate::dom::bindings::codegen::Bindings::MediaSessionBinding::MediaSessionPlaybackState;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
use crate::dom::bindings::root::{DomRoot, MutNullableDom};
use crate::dom::mediametadata::MediaMetadata;
use crate::dom::window::Window;
use crate::script_thread::ScriptThread;
use dom_struct::dom_struct;
use msg::constellation_msg::PipelineId;
use std::rc::Rc;
#[dom_struct]
pub struct MediaSession {
reflector_: Reflector,
/// https://w3c.github.io/mediasession/#dom-mediasession-metadata
metadata: MutNullableDom<MediaMetadata>,
/// https://w3c.github.io/mediasession/#dom-mediasession-playbackstate
playback_state: DomRefCell<MediaSessionPlaybackState>,
}
impl MediaSession {
#[allow(unrooted_must_root)]
fn new_inherited(pipeline_id: PipelineId) -> MediaSession {
let media_session = MediaSession {
reflector_: Reflector::new(),
metadata: Default::default(),
playback_state: DomRefCell::new(MediaSessionPlaybackState::None),
};
ScriptThread::register_media_session(&media_session, pipeline_id);
media_session
}
pub fn new(window: &Window) -> DomRoot<MediaSession> {
let pipeline_id = window
.pipeline_id()
.expect("Cannot create MediaSession without a PipelineId");
reflect_dom_object(
Box::new(MediaSession::new_inherited(pipeline_id)),
window,
MediaSessionBinding::Wrap,
)
}
}
impl MediaSessionMethods for MediaSession {
fn GetMetadata(&self) -> Option<DomRoot<MediaMetadata>> {
self.metadata.get()
}
fn SetMetadata(&self, metadata: Option<&MediaMetadata>) {
if let Some(ref metadata) = metadata {
metadata.set_session(self);
}
self.metadata.set(metadata);
}
/// https://w3c.github.io/mediasession/#dom-mediasession-playbackstate
fn PlaybackState(&self) -> MediaSessionPlaybackState {
*self.playback_state.borrow()
}
/// https://w3c.github.io/mediasession/#dom-mediasession-playbackstate
fn SetPlaybackState(&self, state: MediaSessionPlaybackState) {
*self.playback_state.borrow_mut() = state;
}
fn SetActionHandler(
&self,
_action: MediaSessionAction,
_handler: Option<Rc<MediaSessionActionHandler>>,
) {
}
}
impl Drop for MediaSession {
fn drop(&mut self) {
let global = self.global();
let pipeline_id = global
.as_window()
.pipeline_id()
.expect("No PipelineId while dropping MediaSession");
ScriptThread::remove_media_session(pipeline_id);
}
}
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