Send/Sync DialogFutureType

src/backend.rs

@@ -76,7 +76,7 @@ pub trait MessageDialogImpl {
 
 // Return type of async dialogs:
 #[cfg(not(target_arch = "wasm32"))]
-pub type DialogFutureType<T> = Pin<Box<dyn Future<Output = T> + Send>>;
+pub type DialogFutureType<T> = Pin<Box<dyn Future<Output = T> + Send + Sync>>;
 #[cfg(target_arch = "wasm32")]
 pub type DialogFutureType<T> = Pin<Box<dyn Future<Output = T>>>;
 

src/file_dialog.rs

@@ -1,3 +1,4 @@
+use crate::backend::DialogFutureType;
 use crate::FileHandle;
 
 use std::path::Path;
@@ -226,32 +227,30 @@ use crate::backend::AsyncFileSaveDialogImpl;
 #[cfg(not(target_arch = "wasm32"))]
 use crate::backend::AsyncFolderPickerDialogImpl;
 
-use std::future::Future;
-
 impl AsyncFileDialog {
     /// Pick one file
-    pub fn pick_file(self) -> impl Future<Output = Option<FileHandle>> {
+    pub fn pick_file(self) -> DialogFutureType<Option<FileHandle>> {
         AsyncFilePickerDialogImpl::pick_file_async(self.file_dialog)
     }
 
     /// Pick multiple files
-    pub fn pick_files(self) -> impl Future<Output = Option<Vec<FileHandle>>> {
+    pub fn pick_files(self) -> DialogFutureType<Option<Vec<FileHandle>>> {
         AsyncFilePickerDialogImpl::pick_files_async(self.file_dialog)
     }
 
     #[cfg(not(target_arch = "wasm32"))]
     /// Pick one folder
     ///
     /// Does not exist in `WASM32`
-    pub fn pick_folder(self) -> impl Future<Output = Option<FileHandle>> {
+    pub fn pick_folder(self) -> DialogFutureType<Option<FileHandle>> {
         AsyncFolderPickerDialogImpl::pick_folder_async(self.file_dialog)
     }
 
     #[cfg(not(target_arch = "wasm32"))]
     /// Pick multiple folders
     ///
     /// Does not exist in `WASM32`
-    pub fn pick_folders(self) -> impl Future<Output = Option<Vec<FileHandle>>> {
+    pub fn pick_folders(self) -> DialogFutureType<Option<Vec<FileHandle>>> {
         AsyncFolderPickerDialogImpl::pick_folders_async(self.file_dialog)
     }
 
@@ -274,7 +273,7 @@ impl AsyncFileDialog {
     ///     - No filtering is applied.
     ///     - `save_file` returns immediately without a dialog prompt.
     /// Instead the user is prompted by their browser on where to save the file when [`FileHandle::write`] is used.
-    pub fn save_file(self) -> impl Future<Output = Option<FileHandle>> {
+    pub fn save_file(self) -> DialogFutureType<Option<FileHandle>> {
         AsyncFileSaveDialogImpl::save_file_async(self.file_dialog)
     }
 }