✨ Add ui use_long_press hook

src/ui/hooks/mod.rs

@@ -0,0 +1,3 @@
+pub use use_long_press::use_long_press;
+
+mod use_long_press;

src/ui/hooks/use_long_press.rs

@@ -0,0 +1,60 @@
+use std::{cell::RefCell, time::Duration};
+
+use async_std::task;
+use dioxus::prelude::*;
+
+pub struct UseLongPress {
+    _timer: UseFuture,
+    pub handlers: Vec<Attribute>,
+}
+
+pub fn use_long_press(
+    duration: Duration,
+    on_press: impl FnMut() + 'static,
+    on_long_press: impl FnMut() + 'static,
+) -> UseLongPress {
+    let on_press = std::rc::Rc::new(RefCell::new(on_press));
+    let on_press_cb = use_callback(move || {
+        let mut on_press = on_press.as_ref().borrow_mut();
+        on_press();
+    });
+
+    let on_long_press = std::rc::Rc::new(RefCell::new(on_long_press));
+    let on_long_press_cb = use_callback(move || {
+        let mut on_long_press = on_long_press.as_ref().borrow_mut();
+        on_long_press();
+    });
+
+    let mut timer = use_future(move || async move {
+        task::sleep(duration).await;
+        on_long_press_cb.call();
+    });
+
+    timer.cancel();
+
+    let selection_begin_cb = move |_: Event<PlatformEventData>| {
+        timer.restart();
+    };
+
+    let selection_end_cb = move |_: Event<PlatformEventData>| {
+        if !timer.finished() {
+            timer.cancel();
+            on_press_cb.call();
+        }
+    };
+
+    let mut handlers = Vec::new();
+    for event_name in ["onmousedown", "ontouchstart"] {
+        let value = dioxus_core::AttributeValue::listener(selection_begin_cb);
+        handlers.push(Attribute::new(event_name, value, None, false));
+    }
+    for event_name in ["onmouseup", "ontouchend"] {
+        let value = dioxus_core::AttributeValue::listener(selection_end_cb);
+        handlers.push(Attribute::new(event_name, value, None, false));
+    }
+
+    UseLongPress {
+        _timer: timer,
+        handlers,
+    }
+}

src/ui/mod.rs

@@ -1,4 +1,5 @@
 pub(crate) mod components;
+pub(crate) mod hooks;
 pub(crate) mod layouts;
 pub(crate) mod store;