Remove native and web features from dioxus-html (#3006)

* remove native and web features from dioxus-html

* Fix downcasting web events

* Fix desktop with tokio disabled

packages/web/src/events/drag.rs

@@ -0,0 +1,108 @@
+use dioxus_html::{
+    prelude::{
+        InteractionElementOffset, InteractionLocation, ModifiersInteraction, PointerInteraction,
+    },
+    HasDragData, HasFileData, HasMouseData,
+};
+use web_sys::MouseEvent;
+
+use super::{Synthetic, WebEventExt};
+
+pub(crate) struct WebDragData {
+    raw: Synthetic<MouseEvent>,
+}
+
+impl WebDragData {
+    pub fn new(raw: MouseEvent) -> Self {
+        Self {
+            raw: Synthetic::new(raw),
+        }
+    }
+}
+
+impl HasDragData for WebDragData {
+    fn as_any(&self) -> &dyn std::any::Any {
+        &self.raw as &dyn std::any::Any
+    }
+}
+
+impl HasMouseData for WebDragData {
+    fn as_any(&self) -> &dyn std::any::Any {
+        &self.raw as &dyn std::any::Any
+    }
+}
+
+impl PointerInteraction for WebDragData {
+    fn trigger_button(&self) -> Option<dioxus_html::input_data::MouseButton> {
+        self.raw.trigger_button()
+    }
+
+    fn held_buttons(&self) -> dioxus_html::input_data::MouseButtonSet {
+        self.raw.held_buttons()
+    }
+}
+
+impl ModifiersInteraction for WebDragData {
+    fn modifiers(&self) -> dioxus_html::prelude::Modifiers {
+        self.raw.modifiers()
+    }
+}
+
+impl InteractionElementOffset for WebDragData {
+    fn coordinates(&self) -> dioxus_html::geometry::Coordinates {
+        self.raw.coordinates()
+    }
+
+    fn element_coordinates(&self) -> dioxus_html::geometry::ElementPoint {
+        self.raw.element_coordinates()
+    }
+}
+
+impl InteractionLocation for WebDragData {
+    fn client_coordinates(&self) -> dioxus_html::geometry::ClientPoint {
+        self.raw.client_coordinates()
+    }
+
+    fn screen_coordinates(&self) -> dioxus_html::geometry::ScreenPoint {
+        self.raw.screen_coordinates()
+    }
+
+    fn page_coordinates(&self) -> dioxus_html::geometry::PagePoint {
+        self.raw.page_coordinates()
+    }
+}
+
+impl HasFileData for WebDragData {
+    #[cfg(feature = "file_engine")]
+    fn files(&self) -> Option<std::sync::Arc<dyn dioxus_html::FileEngine>> {
+        use wasm_bindgen::JsCast;
+
+        let files = self
+            .raw
+            .event
+            .dyn_ref::<web_sys::DragEvent>()
+            .and_then(|drag_event| {
+                drag_event.data_transfer().and_then(|dt| {
+                    dt.files().and_then(|files| {
+                        #[allow(clippy::arc_with_non_send_sync)]
+                        crate::file_engine::WebFileEngine::new(files).map(|f| {
+                            std::sync::Arc::new(f) as std::sync::Arc<dyn dioxus_html::FileEngine>
+                        })
+                    })
+                })
+            });
+
+        files
+    }
+}
+
+impl WebEventExt for dioxus_html::DragData {
+    type WebEvent = web_sys::MouseEvent;
+
+    #[inline(always)]
+    fn try_as_web_event(&self) -> Option<web_sys::MouseEvent> {
+        self.downcast::<WebDragData>()
+            .map(|data| &data.raw.event)
+            .cloned()
+    }
+}