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Introduce embedder MediaSessionEvent and move active session to Servo

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This commit is contained in:
Fernando Jiménez Moreno 2019-10-09 12:16:35 +02:00
parent 4d147d2c56
commit 89d9e3ad78
9 changed files with 90 additions and 61 deletions
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39
components/embedder_traits/lib.rs
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@ -162,9 +162,9 @@ pub enum EmbedderMsg {
Shutdown,
/// Report a complete sampled profile
ReportProfile(Vec<u8>),
/// Sent when a media session is activated or deactivated.
/// There can only be a single active media session.
MediaSession(bool),
/// Notifies the embedder about media session events
/// (i.e. when there is metadata for the active media session, playback state changes...).
MediaSessionEvent(MediaSessionEvent),
}
impl Debug for EmbedderMsg {
@ -197,7 +197,7 @@ impl Debug for EmbedderMsg {
EmbedderMsg::AllowOpeningBrowser(..) => write!(f, "AllowOpeningBrowser"),
EmbedderMsg::BrowserCreated(..) => write!(f, "BrowserCreated"),
EmbedderMsg::ReportProfile(..) => write!(f, "ReportProfile"),
EmbedderMsg::MediaSession(..) => write!(f, "MediaSession"),
EmbedderMsg::MediaSessionEvent(..) => write!(f, "MediaSessionEvent"),
}
}
}
@ -206,3 +206,34 @@ impl Debug for EmbedderMsg {
/// the `String` content is expected to be extension (e.g, "doc", without the prefixing ".")
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct FilterPattern(pub String);
/// https://w3c.github.io/mediasession/#mediametadata
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct MediaMetadata {
/// Title
pub title: String,
/// Artist
pub artist: Option<String>,
/// Album
pub album: Option<String>,
}
/// https://w3c.github.io/mediasession/#enumdef-mediasessionplaybackstate
#[derive(Clone, Debug, Deserialize, Serialize)]
pub enum MediaSessionPlaybackState {
/// The browsing context does not specify whether it’s playing or paused.
None_,
/// The browsing context has paused media and it can be resumed.
Playing,
/// The browsing context is currently playing media and it can be paused.
Paused,
}
/// Type of events sent from script to the embedder about the media session.
#[derive(Clone, Debug, Deserialize, Serialize)]
pub enum MediaSessionEvent {
/// Indicates that the media metadata is available.
SetMetadata(MediaMetadata),
/// Indicates that the playback state has changed.
PlaybackStateChange(MediaSessionPlaybackState),
}