//! Platform adapters behind one seam: `snapshot()` reads the running
//! system, `install_watchers()` forwards real change events.

use gpui::AsyncApp;

use crate::ThemeVariant;
use crate::system::SystemTheme;

pub(crate) trait ThemeSource: 'static {
    fn snapshot(&self, variant: ThemeVariant) -> SystemTheme;
    fn install_watchers(&mut self, _async_cx: AsyncApp) {}
    fn label(&self) -> &'static str;
}

#[cfg(target_os = "macos")]
pub(crate) fn platform_source() -> Box<dyn ThemeSource> {
    Box::new(macos::MacosSource::default())
}

#[cfg(not(target_os = "macos"))]
pub(crate) fn platform_source() -> Box<dyn ThemeSource> {
    Box::new(fallback::FallbackSource)
}

#[cfg(target_os = "macos")]
pub(crate) mod macos;

pub(crate) mod fallback;