fix merge

packages/html/src/events/drag.rs

@@ -1,14 +1,13 @@
+use crate::file_data::{FileEngine, HasFileData};
 use crate::geometry::{ClientPoint, Coordinates, ElementPoint, PagePoint, ScreenPoint};
 use crate::input_data::{MouseButton, MouseButtonSet};
 use crate::prelude::*;
-use crate::FileEngine;
 
 use dioxus_core::Event;
 use keyboard_types::Modifiers;
 
 use crate::HasMouseData;
 
-use dioxus_core::Event;
 use std::fmt::Debug;
 
 pub type DragEvent = Event<DragData>;
@@ -57,11 +56,12 @@ impl DragData {
 
     /// Downcast this event data to a specific type
     pub fn downcast<T: 'static>(&self) -> Option<&T> {
-        self.inner.as_any().downcast_ref::<T>()
+        HasDragData::as_any(&*self.inner).downcast_ref::<T>()
     }
+}
 
-    /// Get the files of the form event
-    pub fn files(&self) -> Option<std::sync::Arc<dyn FileEngine>> {
+impl HasFileData for DragData {
+    fn files(&self) -> Option<std::sync::Arc<dyn FileEngine>> {
         self.inner.files()
     }
 }
@@ -112,19 +112,34 @@ impl PointerInteraction for DragData {
 #[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Clone)]
 pub struct SerializedDragData {
     mouse: crate::point_interaction::SerializedPointInteraction,
+    files: Option<crate::file_data::SerializedFileEngine>,
 }
 
 #[cfg(feature = "serialize")]
-impl From<&DragData> for SerializedDragData {
-    fn from(data: &DragData) -> Self {
+impl SerializedDragData {
+    fn new(drag: &DragData, files: Option<crate::file_data::SerializedFileEngine>) -> Self {
         Self {
-            mouse: crate::point_interaction::SerializedPointInteraction::from(data),
+            mouse: crate::point_interaction::SerializedPointInteraction::from(drag),
+            files,
         }
     }
 }
 
 #[cfg(feature = "serialize")]
-impl HasDragData for SerializedDragData {}
+impl HasDragData for SerializedDragData {
+    fn as_any(&self) -> &dyn std::any::Any {
+        self
+    }
+}
+
+#[cfg(feature = "serialize")]
+impl HasFileData for SerializedDragData {
+    fn files(&self) -> Option<std::sync::Arc<dyn FileEngine>> {
+        self.files
+            .as_ref()
+            .map(|files| std::sync::Arc::new(files.clone()) as _)
+    }
+}
 
 #[cfg(feature = "serialize")]
 impl HasMouseData for SerializedDragData {
@@ -180,7 +195,7 @@ impl PointerInteraction for SerializedDragData {
 #[cfg(feature = "serialize")]
 impl serde::Serialize for DragData {
     fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
-        SerializedDragData::from(self).serialize(serializer)
+        SerializedDragData::new(self, None).serialize(serializer)
     }
 }
 
@@ -195,7 +210,10 @@ impl<'de> serde::Deserialize<'de> for DragData {
 }
 
 /// A trait for any object that has the data for a drag event
-pub trait HasDragData: HasMouseData {}
+pub trait HasDragData: HasMouseData + HasFileData {
+    /// return self as Any
+    fn as_any(&self) -> &dyn std::any::Any;
+}
 
 impl_event! {
     DragData;

packages/html/src/events/form.rs

@@ -1,4 +1,6 @@
-use std::{any::Any, collections::HashMap, fmt::Debug};
+use crate::file_data::FileEngine;
+use crate::file_data::HasFileData;
+use std::{collections::HashMap, fmt::Debug};
 
 use dioxus_core::Event;
 
@@ -116,7 +118,7 @@ impl FormData {
 pub struct SerializedFormData {
     value: String,
     values: HashMap<String, FormValue>,
-    files: Option<SerializedFileEngine>,
+    files: Option<crate::file_data::SerializedFileEngine>,
 }
 
 #[cfg(feature = "serialize")]
@@ -125,7 +127,7 @@ impl SerializedFormData {
     pub fn new(
         value: String,
         values: HashMap<String, FormValue>,
-        files: Option<SerializedFileEngine>,
+        files: Option<crate::file_data::SerializedFileEngine>,
     ) -> Self {
         Self {
             value,
@@ -148,7 +150,7 @@ impl SerializedFormData {
                         resolved_files.insert(file, bytes.unwrap_or_default());
                     }
 
-                    Some(SerializedFileEngine {
+                    Some(crate::file_data::SerializedFileEngine {
                         files: resolved_files,
                     })
                 }

packages/html/src/file_data.rs

@@ -0,0 +1,53 @@
+use std::{any::Any, collections::HashMap};
+
+pub trait HasFileData: std::any::Any {
+    fn files(&self) -> Option<std::sync::Arc<dyn FileEngine>> {
+        None
+    }
+}
+
+#[cfg(feature = "serialize")]
+/// A file engine that serializes files to bytes
+#[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Clone)]
+pub struct SerializedFileEngine {
+    pub files: HashMap<String, Vec<u8>>,
+}
+
+#[cfg(feature = "serialize")]
+#[async_trait::async_trait(?Send)]
+impl FileEngine for SerializedFileEngine {
+    fn files(&self) -> Vec<String> {
+        self.files.keys().cloned().collect()
+    }
+
+    async fn read_file(&self, file: &str) -> Option<Vec<u8>> {
+        self.files.get(file).cloned()
+    }
+
+    async fn read_file_to_string(&self, file: &str) -> Option<String> {
+        self.read_file(file)
+            .await
+            .map(|bytes| String::from_utf8_lossy(&bytes).to_string())
+    }
+
+    async fn get_native_file(&self, file: &str) -> Option<Box<dyn Any>> {
+        self.read_file(file)
+            .await
+            .map(|val| Box::new(val) as Box<dyn Any>)
+    }
+}
+
+#[async_trait::async_trait(?Send)]
+pub trait FileEngine {
+    // get a list of file names
+    fn files(&self) -> Vec<String>;
+
+    // read a file to bytes
+    async fn read_file(&self, file: &str) -> Option<Vec<u8>>;
+
+    // read a file to string
+    async fn read_file_to_string(&self, file: &str) -> Option<String>;
+
+    // returns a file in platform's native representation
+    async fn get_native_file(&self, file: &str) -> Option<Box<dyn Any>>;
+}

packages/html/src/lib.rs

@@ -22,6 +22,8 @@ pub use elements::HtmlCtx;
 #[cfg(feature = "html-to-rsx")]
 pub use elements::{map_html_attribute_to_rsx, map_html_element_to_rsx};
 pub mod events;
+pub(crate) mod file_data;
+pub use file_data::*;
 pub mod geometry;
 mod global_attributes;
 pub mod input_data;

packages/html/src/native_bind/native_file_engine.rs

@@ -1,10 +1,11 @@
 use std::any::Any;
 use std::path::PathBuf;
 
-use crate::FileEngine;
 use tokio::fs::File;
 use tokio::io::AsyncReadExt;
 
+use crate::file_data::FileEngine;
+
 pub struct NativeFileEngine {
     files: Vec<PathBuf>,
 }

packages/html/src/web_sys_bind/events.rs

@@ -3,6 +3,7 @@ use crate::events::{
     AnimationData, CompositionData, KeyboardData, MouseData, PointerData, TouchData,
     TransitionData, WheelData,
 };
+use crate::file_data::{FileEngine, HasFileData};
 use crate::geometry::{ClientPoint, ElementPoint, PagePoint, ScreenPoint};
 use crate::input_data::{decode_key_location, decode_mouse_button_set, MouseButton};
 use crate::prelude::*;
@@ -103,8 +104,6 @@ impl ModifiersInteraction for KeyboardEvent {
     }
 }
 
-impl HasDragData for MouseEvent {}
-
 impl InteractionLocation for MouseEvent {
     fn client_coordinates(&self) -> ClientPoint {
         ClientPoint::new(self.client_x().into(), self.client_y().into())
@@ -162,6 +161,14 @@ impl HasMouseData for MouseEvent {
     }
 }
 
+impl HasFileData for MouseEvent {}
+
+impl HasDragData for MouseEvent {
+    fn as_any(&self) -> &dyn std::any::Any {
+        self
+    }
+}
+
 impl ModifiersInteraction for TouchEvent {
     fn modifiers(&self) -> Modifiers {
         let mut modifiers = Modifiers::empty();
@@ -512,3 +519,23 @@ impl HasMediaData for web_sys::Event {
         self
     }
 }
+
+impl HasFileData for web_sys::Event {
+    fn files(&self) -> Option<std::sync::Arc<dyn FileEngine>> {
+        #[cfg(not(feature = "file_engine"))]
+        let files = None;
+        #[cfg(feature = "file_engine")]
+        let files = element
+            .dyn_ref()
+            .and_then(|input: &web_sys::HtmlInputElement| {
+                input.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
+    }
+}