import { registerGObjectClass } from '../../utils/gjs';
import { Shell } from '../../gi/ext';
import TilePreview from './tilePreview';

export default class BlurTilePreview extends TilePreview {
    static { registerGObjectClass(this) }
    
    _init() {
        super._init();

        // changes in GNOME 46+
        // The sigma in Shell.BlurEffect should be replaced by radius. Since the sigma value
        // is radius / 2.0, the radius value will be sigma * 2.0.
        const sigma = 36;
        this.add_effect(
            new Shell.BlurEffect({
                // @ts-expect-error "sigma is available"
                sigma,
                // radius: sigma * 2,
                brightness: 1,
                mode: Shell.BlurMode.BACKGROUND, // blur what is behind the widget
            }),
        );
        this.add_style_class_name('blur-tile-preview');
    }
}