Load icons using mime type

src/mime_icon.rs

@@ -0,0 +1,17 @@
+use cosmic::widget::icon;
+use std::path::Path;
+
+pub const FALLBACK_MIME_ICON: &str = "text-x-generic";
+
+pub fn mime_icon<P: AsRef<Path>>(path: P, size: u16) -> icon::Icon {
+    let path = path.as_ref();
+    for mime in mime_guess::from_path(path).iter() {
+        //TODO: correct some common issues (like application/x-sh not being found)
+        let icon_name = mime.essence_str().replace("/", "-");
+        let named = icon::from_name(icon_name).size(size);
+        if named.clone().path().is_some() {
+            return named.icon();
+        }
+    }
+    icon::from_name(FALLBACK_MIME_ICON).size(size).icon()
+}