setIcon method
sets favicon of webpage
Implementation
@override
Future<String> setIcon(
{required String icon, String oldIcon = '', String appleTouchIcon = ''}) {
LinkElement? link = querySelector("link[rel~='icon']") as LinkElement?;
if (appleTouchIcon != '') {
LinkElement? linkAppleTouchIcon =
querySelector("link[rel~='apple-touch-icon']") as LinkElement?;
if (linkAppleTouchIcon == null) {
linkAppleTouchIcon = LinkElement()..rel = 'apple-touch-icon';
querySelector('head')?.children.add(linkAppleTouchIcon);
}
linkAppleTouchIcon.href = appleTouchIcon;
}
if (link == null) {
link = LinkElement()..rel = 'icon';
querySelector('head')?.children.add(link);
return Future(() => icon);
}
link.href = icon;
return Future(() => icon);
}