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use scene::{SceneTracks, Track};
use time::MediaTime;
use crate::types::{ElementType, TrackType};
pub mod apply;
pub mod compatibility;
pub mod insert_index;
pub mod main_track;
pub mod overlap;
pub mod resolve;
pub mod track_factory;
pub use apply::{PlacementApplied, apply_placement};
pub use compatibility::{
can_element_go_on_track, get_track_type_for_element_type, validate_element_track_compatibility,
};
pub use insert_index::{
get_default_insert_index_for_track, get_highest_insert_index_for_track,
resolve_preferred_new_track_placement,
};
pub use main_track::{MAIN_TRACK_NAME, enforce_main_track_start, get_earliest_main_track_element};
pub use overlap::can_place_time_spans_on_track;
pub use resolve::{ResolveTrackPlacementParams, resolve_track_placement};
pub use track_factory::build_empty_track;
#[derive(Clone, Debug, PartialEq)]
pub struct PlacementTimeSpan {
pub start_time: MediaTime,
pub duration: MediaTime,
pub exclude_element_id: Option<String>,
}
#[derive(Clone, Copy, Debug, PartialEq)]
pub enum PlacementSubject {
ElementType(ElementType),
TrackType(TrackType),
}
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum InsertDirection {
Above,
Below,
}
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum VerticalDragDirection {
Up,
Down,
}
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum NewTrackPosition {
Highest,
Default,
}
#[derive(Clone, Debug, PartialEq)]
pub enum PlacementStrategy {
Explicit {
track_id: String,
},
FirstAvailable,
PreferIndex {
track_index: usize,
hover_direction: InsertDirection,
vertical_drag_direction: Option<VerticalDragDirection>,
create_new_track_only: bool,
},
AboveSource {
source_track_index: usize,
},
AlwaysNew {
position: NewTrackPosition,
},
}
#[derive(Clone, Debug, PartialEq)]
pub enum PlacementResult {
ExistingTrack {
track_id: String,
track_index: usize,
track_type: TrackType,
adjusted_start_time: Option<MediaTime>,
},
NewTrack {
track_type: TrackType,
insert_index: usize,
insert_position: Option<InsertDirection>,
},
}
pub fn ordered_tracks(tracks: &SceneTracks) -> Vec<&Track> {
tracks
.overlay
.iter()
.chain(std::iter::once(&tracks.main))
.chain(tracks.audio.iter())
.collect()
}
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