Files
ncspot/src/traits.rs
2020-03-15 11:06:24 +01:00

67 lines
1.7 KiB
Rust

use std::sync::Arc;
use cursive::view::{View, ViewWrapper};
use cursive::views::NamedView;
use cursive::Cursive;
use crate::album::Album;
use crate::artist::Artist;
use crate::command::Command;
use crate::commands::CommandResult;
use crate::library::Library;
use crate::queue::Queue;
use crate::track::Track;
pub trait ListItem: Sync + Send + 'static {
fn is_playing(&self, queue: Arc<Queue>) -> bool;
fn display_left(&self) -> String;
fn display_right(&self, library: Arc<Library>) -> String;
fn play(&mut self, queue: Arc<Queue>);
fn queue(&mut self, queue: Arc<Queue>);
fn toggle_saved(&mut self, library: Arc<Library>);
fn save(&mut self, library: Arc<Library>);
fn unsave(&mut self, library: Arc<Library>);
fn open(&self, queue: Arc<Queue>, library: Arc<Library>) -> Option<Box<dyn ViewExt>>;
fn share_url(&self) -> Option<String>;
fn album(&self, _queue: Arc<Queue>) -> Option<Album> {
None
}
fn artist(&self) -> Option<Artist> {
None
}
fn track(&self) -> Option<Track> {
None
}
fn as_listitem(&self) -> Box<dyn ListItem>;
}
pub trait ViewExt: View {
fn title(&self) -> String {
"".into()
}
fn on_command(&mut self, _s: &mut Cursive, _cmd: &Command) -> Result<CommandResult, String> {
Ok(CommandResult::Ignored)
}
}
impl<V: ViewExt> ViewExt for NamedView<V> {
fn on_command(&mut self, s: &mut Cursive, cmd: &Command) -> Result<CommandResult, String> {
self.with_view_mut(move |v| v.on_command(s, cmd)).unwrap()
}
}
pub trait IntoBoxedViewExt {
fn as_boxed_view_ext(self) -> Box<dyn ViewExt>;
}
impl<V: ViewExt> IntoBoxedViewExt for V {
fn as_boxed_view_ext(self) -> Box<dyn ViewExt> {
Box::new(self)
}
}