868c44c19f
Uses much of the existing machinery to add some more PlayMode state change events—all in all, a pretty simple change. Closes #29.
50 lines
1.3 KiB
Rust
50 lines
1.3 KiB
Rust
use crate::events::TrackEvent;
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/// Playback status of a track.
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#[derive(Clone, Copy, Debug, Eq, PartialEq)]
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#[non_exhaustive]
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pub enum PlayMode {
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/// The track is currently playing.
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Play,
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/// The track is currently paused, and may be resumed.
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Pause,
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/// The track has been manually stopped, and cannot be restarted.
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Stop,
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/// The track has naturally ended, and cannot be restarted.
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End,
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}
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impl PlayMode {
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/// Returns whether the track has irreversibly stopped.
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pub fn is_done(self) -> bool {
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matches!(self, PlayMode::Stop | PlayMode::End)
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}
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pub(crate) fn change_to(self, other: Self) -> PlayMode {
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use PlayMode::*;
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// Idea: a finished track cannot be restarted -- this action is final.
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// We may want to change this in future so that seekable tracks can uncancel
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// themselves, perhaps, but this requires a bit more machinery to readd...
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match self {
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Play | Pause => other,
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state => state,
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}
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}
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pub(crate) fn as_track_event(self) -> TrackEvent {
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use PlayMode::*;
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match self {
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Play => TrackEvent::Play,
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Pause => TrackEvent::Pause,
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Stop | End => TrackEvent::End,
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}
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}
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}
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impl Default for PlayMode {
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fn default() -> Self {
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PlayMode::Play
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}
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}
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