move fn

crates/eframe/src/web/app_runner.rs

@@ -212,10 +212,26 @@ impl AppRunner {
                 );
             }
         }
-
         self.handle_platform_output(platform_output);
         self.textures_delta.append(textures_delta);
         self.clipped_primitives = Some(self.egui_ctx.tessellate(shapes, pixels_per_point));
+        self.drop_files();
+    }
+
+    fn drop_files(&mut self) {
+        /// dropped_files always empty
+        log::debug!("Dropped files: {:?}", self.input.raw.dropped_files.len());
+        if !self.input.raw.dropped_files.is_empty() {
+            for mut dropped_file in self.input.raw.dropped_files.drain(..) {
+                if let Some(stream_url) = dropped_file.stream_url {
+                    log::debug!("Revoking url {:?}", stream_url);
+                    if *dropped_file.need_drop_url {
+                        let _ = web_sys::Url::revoke_object_url(&stream_url);
+                        dropped_file.need_drop_url = false.into();
+                    }
+                }
+            }
+        }
     }
 
     /// Paint the results of the last call to [`Self::logic`].

crates/eframe/src/web/events.rs

@@ -9,26 +9,12 @@ pub(crate) fn paint_and_schedule(runner_ref: &WebRunner) -> Result<(), JsValue>
     // Only paint and schedule if there has been no panic
     if let Some(mut runner_lock) = runner_ref.try_lock() {
         paint_if_needed(&mut runner_lock);
-        drop_files(&mut runner_lock);
         drop(runner_lock);
         runner_ref.request_animation_frame()?;
     }
     Ok(())
 }
 
-fn drop_files(runner: &mut AppRunner) {
-    if !runner.input.raw.dropped_files.is_empty() {
-        for mut dropped_file in runner.input.raw.dropped_files.drain(..) {
-            if let Some(stream_url) = dropped_file.stream_url {
-                if *dropped_file.need_drop_url {
-                    let _ = web_sys::Url::revoke_object_url(&stream_url);
-                    dropped_file.need_drop_url = false.into();
-                }
-            }
-        }
-    }
-}
-
 fn paint_if_needed(runner: &mut AppRunner) {
     if runner.needs_repaint.needs_repaint() {
         if runner.has_outstanding_paint_data() {

crates/egui_demo_app/src/wrap_app.rs

@@ -496,9 +496,7 @@ impl WrapApp {
 
                         ui.label(info);
                         #[cfg(target_arch = "wasm32")]
-                        if file.stream_url.is_some()
-                            && ui.button("Read file (output in console)").clicked()
-                        {
+                        if file.stream_url.is_some() {
                             let mut one_file = file.clone();
                             let func = async move {
                                 let res = eframe::web::get_data(&mut one_file);