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//! Explicit macOS-unavailable wrapper for `MPSystemMusicPlayer`.
//!
//! Apple marks this MediaPlayer API as unavailable on macOS. The wrapper exists so
//! the crate documents the area explicitly and fails predictably at runtime.
use crate::{ffi, unsupported, MediaPlayerError};
/// Marker type representing `MPSystemMusicPlayer`.
#[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]
pub struct SystemMusicPlayer;
impl SystemMusicPlayer {
/// Returns `false` on macOS because Apple marks `MPSystemMusicPlayer` unavailable.
#[must_use]
pub fn is_supported() -> bool {
unsafe { ffi::mp_system_music_player_is_supported() != 0 }
}
/// Returns the framework availability note for `MPSystemMusicPlayer`.
#[must_use]
pub fn unavailable_reason() -> String {
unsafe {
unsupported::take_string(ffi::mp_system_music_player_copy_unavailable_reason())
.unwrap_or_else(|| "MPSystemMusicPlayer is unavailable on macOS".to_string())
}
}
/// Returns a typed unavailability error for `MPSystemMusicPlayer`.
#[must_use]
pub fn unsupported_error() -> MediaPlayerError {
unsupported::not_available("MPSystemMusicPlayer", Some(Self::unavailable_reason()))
}
/// Returns an explicit macOS-unavailable result for the primary constructor-like API.
pub fn shared() -> Result<Self, MediaPlayerError> {
Err(Self::unsupported_error())
}
}