SystemTray (#3123)

* Added tray icon

packages/desktop/src/trayicon.rs

@@ -0,0 +1,68 @@
+//! tray icon
+
+use dioxus_core::{
+    prelude::{provide_context, try_consume_context},
+    use_hook,
+};
+
+#[cfg(not(any(target_os = "ios", target_os = "android")))]
+pub use tray_icon::*;
+
+/// tray icon menu type trait
+#[cfg(not(any(target_os = "ios", target_os = "android")))]
+pub type DioxusTrayMenu = tray_icon::menu::Menu;
+#[cfg(any(target_os = "ios", target_os = "android"))]
+pub type DioxusTrayMenu = ();
+
+/// tray icon icon type trait
+#[cfg(not(any(target_os = "ios", target_os = "android")))]
+pub type DioxusTrayIcon = tray_icon::Icon;
+#[cfg(any(target_os = "ios", target_os = "android"))]
+pub type DioxusTrayIcon = ();
+
+/// tray icon type trait
+#[cfg(not(any(target_os = "ios", target_os = "android")))]
+pub type DioxusTray = tray_icon::TrayIcon;
+#[cfg(any(target_os = "ios", target_os = "android"))]
+pub type DioxusTray = ();
+
+/// initializes a tray icon
+#[allow(unused)]
+pub fn init_tray_icon(menu: DioxusTrayMenu, icon: Option<DioxusTrayIcon>) -> DioxusTray {
+    #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
+    {
+        let builder = tray_icon::TrayIconBuilder::new()
+            .with_menu(Box::new(menu))
+            .with_menu_on_left_click(false)
+            .with_icon(match icon {
+                Some(value) => value,
+                None => tray_icon::Icon::from_rgba(
+                    include_bytes!("./assets/default_icon.bin").to_vec(),
+                    460,
+                    460,
+                )
+                .expect("image parse failed"),
+            });
+
+        provide_context(builder.build().expect("tray icon builder failed"))
+    }
+}
+
+/// Returns a default tray icon menu
+pub fn default_tray_icon() -> DioxusTrayMenu {
+    #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
+    {
+        use tray_icon::menu::{Menu, PredefinedMenuItem};
+        let tray_menu = Menu::new();
+        tray_menu
+            .append_items(&[&PredefinedMenuItem::quit(None)])
+            .unwrap();
+        tray_menu
+    }
+}
+
+/// Provides a hook to the tray icon
+#[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
+pub fn use_tray_icon() -> Option<tray_icon::TrayIcon> {
+    use_hook(try_consume_context)
+}