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use crate::theming::*;
use dioxus_core::ScopeState;
use dioxus_hooks::{use_shared_state, use_shared_state_provider, UseSharedState};

/// Provide a custom [`Theme`].
pub fn use_init_theme(cx: &ScopeState, theme: Theme) {
    use_shared_state_provider(cx, || theme);
}

/// Provide the default [`Theme`].
pub fn use_init_default_theme(cx: &ScopeState) {
    use_shared_state_provider(cx, Theme::default);
}

/// Subscribe to [`Theme`] changes.
pub fn use_theme(cx: &ScopeState) -> &UseSharedState<Theme> {
    use_shared_state::<Theme>(cx).unwrap()
}

/// Subscribe to [`Theme`] changes, default theme will be used if there is no provided [`Theme`].
///
/// Primarily used by built-in components that have no control of whether they will inherit a [`Theme`] or not.
pub fn use_get_theme(cx: &ScopeState) -> Theme {
    use_shared_state::<Theme>(cx)
        .map(|v| v.read().clone())
        .unwrap_or_default()
}