[recipes] Try the file chooser portal again

[Matthias Clasen <matthiasc src gnome org>]

commit 1281197512f5f9ac334c4731c278db6b229fe816
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jan 17 17:07:32 2017 -0500

    Try the file chooser portal again
    
    Some further debugging has shown that the problem is with
    nonatomically writing to the save location, so work around
    that.

 src/gr-recipe-exporter.c |   55 +++++++++++++++++++++++++++------------------
 1 files changed, 33 insertions(+), 22 deletions(-)
---
diff --git a/src/gr-recipe-exporter.c b/src/gr-recipe-exporter.c
index c443907..0a54c00 100644
--- a/src/gr-recipe-exporter.c
+++ b/src/gr-recipe-exporter.c
@@ -423,42 +423,53 @@ start_export (GrRecipeExporter *exporter)
 }
 
 static void
+file_chooser_response (GtkNativeDialog  *dialog,
+                       int               response_id,
+                       GrRecipeExporter *exporter)
+{
+        if (response_id == GTK_RESPONSE_ACCEPT) {
+                g_message ("exporting %d recipes now", g_list_length (exporter->recipes));
+
+                exporter->output = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
+
+                start_export (exporter);
+        }
+        else {
+                g_message ("not exporting now");
+        }
+
+        gtk_native_dialog_destroy (dialog);
+}
+
+static void
 export_dialog_response (GtkWidget        *dialog,
                         int               response_id,
                         GrRecipeExporter *exporter)
 {
+        gtk_widget_destroy (dialog);
+        exporter->dialog_heading = NULL;
+
         if (response_id == GTK_RESPONSE_CANCEL) {
                 g_message ("not exporting now");
         }
         else if (response_id == GTK_RESPONSE_OK) {
-                g_autofree char *path = NULL;
-                int i;
-
-                g_message ("exporting %d recipes now", g_list_length (exporter->recipes));
+                GtkFileChooserNative *chooser;
 
-                for (i = 0; i < 1000; i++) {
-                        g_autofree char *tmp;
-                        tmp = g_strdup_printf ("%s/.var/app/org.gnome.Recipes/recipes%d.tar.gz", 
g_get_home_dir (), i);
-                        if (!g_file_test (tmp, G_FILE_TEST_EXISTS)) {
-                                path = g_strdup (tmp);
-                                break;
-                        }
-                }
+                chooser = gtk_file_chooser_native_new (_("Select the location"),
+                                                       GTK_WINDOW (exporter->window),
+                                                       GTK_FILE_CHOOSER_ACTION_SAVE,
+                                                       _("_Save"),
+                                                       _("_Cancel"));
 
-                if (!path) {
-                        g_autofree char *dir = NULL;
+                gtk_native_dialog_set_modal (GTK_NATIVE_DIALOG (chooser), TRUE);
 
-                        dir = g_dir_make_tmp ("recipesXXXXXX", NULL);
-                        path = g_build_filename (dir, "recipes.tar.gz", NULL);
-                }
+                gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (chooser), TRUE);
+                gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (chooser), "recipes.tar.gz");
 
-                exporter->output = g_file_new_for_path (path);
+                g_signal_connect (chooser, "response", G_CALLBACK (file_chooser_response), exporter);
 
-                start_export (exporter);
+                gtk_native_dialog_show (GTK_NATIVE_DIALOG (chooser));
         }
-
-        gtk_widget_destroy (dialog);
-        exporter->dialog_heading = NULL;
 }
 
 static void