deft 0.15.0

Cross platform ui framework
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use crate as deft;
use crate::base::Id;
use crate::element::CSS_MANAGER;
use crate::ext::ext_window::WINDOWS;
use crate::js::JsError;
use crate::style::css_manager::CSS;
use deft_macros::js_func;

#[js_func]
pub fn stylesheet_add(source: String) -> Result<Id<CSS>, JsError> {
    let id = CSS_MANAGER
        .with_borrow_mut(|manager| manager.add(&source))
        .map_err(|e| JsError::new(format!("failed to add stylesheet: {}", e)));
    refresh_windows_style();
    id
}

#[js_func]
pub fn stylesheet_remove(id: Id<CSS>) -> Result<(), JsError> {
    CSS_MANAGER.with_borrow_mut(|manager| manager.remove(&id));
    refresh_windows_style();
    Ok(())
}

#[js_func]
pub fn stylesheet_update(id: Id<CSS>, source: String) -> Result<(), JsError> {
    CSS_MANAGER.with_borrow_mut(|manager| {
        let _ = manager.update(&id, &source);
    });
    refresh_windows_style();
    Ok(())
}

fn refresh_windows_style() {
    WINDOWS.with_borrow_mut(|windows| {
        for (_, window) in windows.iter_mut() {
            if let Ok(window) = window.upgrade_mut() {
                if let Some(mut body) = window.get_body() {
                    body.update_select_style_recurse();
                }
            }
        }
    });
}