pub trait ContentProviderImplExt: ObjectSubclass {
// Required methods
fn parent_content_changed(&self);
fn parent_attach_clipboard(&self, clipboard: &Clipboard);
fn parent_detach_clipboard(&self, clipboard: &Clipboard);
fn parent_formats(&self) -> ContentFormats;
fn parent_storable_formats(&self) -> ContentFormats;
fn parent_write_mime_type_async<Q: IsA<Cancellable>, R: FnOnce(Result<(), Error>) + 'static>(
&self,
mime_type: &str,
stream: &OutputStream,
io_priority: Priority,
cancellable: Option<&Q>,
callback: R
);
fn parent_write_mime_type_future(
&self,
mime_type: &str,
stream: &OutputStream,
io_priority: Priority
) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'static>>;
fn parent_value(&self, type_: Type) -> Result<Value, Error>;
}