diff options
Diffstat (limited to 'components/script/dom/mediasession.rs')
| -rw-r--r-- | components/script/dom/mediasession.rs | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/components/script/dom/mediasession.rs b/components/script/dom/mediasession.rs index 1523e9a0ae6..8dfc88a1c04 100644 --- a/components/script/dom/mediasession.rs +++ b/components/script/dom/mediasession.rs @@ -9,10 +9,13 @@ use crate::dom::bindings::codegen::Bindings::HTMLMediaElementBinding::HTMLMediaE use crate::dom::bindings::codegen::Bindings::MediaMetadataBinding::MediaMetadataInit; use crate::dom::bindings::codegen::Bindings::MediaMetadataBinding::MediaMetadataMethods; use crate::dom::bindings::codegen::Bindings::MediaSessionBinding; +use crate::dom::bindings::codegen::Bindings::MediaSessionBinding::MediaPositionState; 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::error::{Error, Fallible}; +use crate::dom::bindings::num::Finite; use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector}; use crate::dom::bindings::root::{DomRoot, MutNullableDom}; use crate::dom::bindings::str::DOMString; @@ -194,6 +197,62 @@ impl MediaSessionMethods for MediaSession { None => self.action_handlers.borrow_mut().remove(&action.into()), }; } + + /// https://w3c.github.io/mediasession/#dom-mediasession-setpositionstate + fn SetPositionState(&self, state: &MediaPositionState) -> Fallible<()> { + // If the state is an empty dictionary then clear the position state. + if state.duration.is_none() && state.position.is_none() && state.playbackRate.is_none() { + if let Some(media_instance) = self.media_instance.get() { + media_instance.reset(); + } + return Ok(()); + } + + // If the duration is not present or its value is null, throw a TypeError. + if state.duration.is_none() { + return Err(Error::Type( + "duration is not present or its value is null".to_owned(), + )); + } + + // If the duration is negative, throw a TypeError. + if let Some(state_duration) = state.duration { + if *state_duration < 0.0 { + return Err(Error::Type("duration is negative".to_owned())); + } + } + + // If the position is negative or greater than duration, throw a TypeError. + if let Some(state_position) = state.position { + if *state_position < 0.0 { + return Err(Error::Type("position is negative".to_owned())); + } + if let Some(state_duration) = state.duration { + if *state_position > *state_duration { + return Err(Error::Type("position is greater than duration".to_owned())); + } + } + } + + // If the playbackRate is zero throw a TypeError. + if let Some(state_playback_rate) = state.playbackRate { + if *state_playback_rate <= 0.0 { + return Err(Error::Type("playbackRate is zero".to_owned())); + } + } + + // Update the position state and last position updated time. + if let Some(media_instance) = self.media_instance.get() { + media_instance.set_duration(state.duration.map(|v| *v).unwrap()); + // If the playbackRate is not present or its value is null, set it to 1.0. + let _ = + media_instance.SetPlaybackRate(state.playbackRate.unwrap_or(Finite::wrap(1.0)))?; + // If the position is not present or its value is null, set it to zero. + media_instance.SetCurrentTime(state.position.unwrap_or(Finite::wrap(0.0))); + } + + Ok(()) + } } impl From<MediaSessionAction> for MediaSessionActionType { |