[niepce] ui: requestnewfolder clean up. Use async library interface

[Hubert Figuière <hub src gnome org>]

commit 398e52fa80c3bc0b209bf2e59e3a142eb7acce78
Author: Hubert Figuière <hub figuiere net>
Date:   Fri Nov 17 14:33:59 2017 -0500

    ui: requestnewfolder clean up. Use async library interface

 src/libraryclient/mod.rs                  |    2 +-
 src/niepce/ui/dialogs/requestnewfolder.rs |   18 ++++++++----------
 2 files changed, 9 insertions(+), 11 deletions(-)
---
diff --git a/src/libraryclient/mod.rs b/src/libraryclient/mod.rs
index 4d63126..b997c6b 100644
--- a/src/libraryclient/mod.rs
+++ b/src/libraryclient/mod.rs
@@ -21,5 +21,5 @@ pub mod clientimpl;
 pub mod clientinterface;
 pub mod libraryclient;
 
-pub use self::clientinterface::ClientInterfaceSync;
+pub use self::clientinterface::{ClientInterface,ClientInterfaceSync};
 pub use self::libraryclient::LibraryClientWrapper;
diff --git a/src/niepce/ui/dialogs/requestnewfolder.rs b/src/niepce/ui/dialogs/requestnewfolder.rs
index 6bd172c..7f11faf 100644
--- a/src/niepce/ui/dialogs/requestnewfolder.rs
+++ b/src/niepce/ui/dialogs/requestnewfolder.rs
@@ -28,16 +28,17 @@ use gtk::{
     Label,
 };
 
-use libraryclient::{ClientInterfaceSync,LibraryClientWrapper};
+use libraryclient::{ClientInterface,LibraryClientWrapper};
 
 #[no_mangle]
 pub extern "C" fn dialog_request_new_folder(client: &mut LibraryClientWrapper,
                                             parent: *mut gtk_sys::GtkWindow) {
     let parent = unsafe { gtk::Window::from_glib_none(parent) };
-    let dialog = Dialog::new_with_buttons(Some("New folder"), Some(&parent),
-                                          gtk::DIALOG_MODAL,
-                                          &[(&gettext("OK"), 0),
-                                            (&gettext("Cancel"), 1)]);
+    let dialog = Dialog::new_with_buttons(
+        Some("New folder"), Some(&parent),
+        gtk::DIALOG_MODAL,
+        &[(&gettext("OK"), gtk::ResponseType::Ok.into()),
+          (&gettext("Cancel"), gtk::ResponseType::Cancel.into())]);
     let label = Label::new_with_mnemonic(gettext("Folder _name:").as_str());
     dialog.get_content_area().pack_start(&label, true, false, 4);
     let entry = Entry::new();
@@ -46,14 +47,11 @@ pub extern "C" fn dialog_request_new_folder(client: &mut LibraryClientWrapper,
     dialog.get_content_area().pack_end(&entry, true, false, 4);
 
     dialog.get_content_area().show_all();
-    let cancel = match dialog.run() {
-        0 => false,
-        _ => true,
-    };
+    let cancel = dialog.run() != gtk::ResponseType::Ok.into();
     let folder_name = entry.get_text();
     dialog.destroy();
     if !cancel {
-        /*let id =*/ client.unwrap_mut().create_folder_sync(folder_name.unwrap(), None);
+        client.unwrap_mut().create_folder(folder_name.unwrap(), None);
     }
 }