[evolution] Bug 656720 - Exclude NNTP stores from Create Folder dialog

[Matthew Barnes <mbarnes src gnome org>]

commit 31a00721343016518b458aae5c2045b32785256f
Author: Matthew Barnes <mbarnes redhat com>
Date:   Wed Aug 17 23:10:41 2011 -0400

    Bug 656720 - Exclude NNTP stores from Create Folder dialog

 mail/e-mail-store.c         |    6 ------
 mail/em-folder-tree-model.c |   28 +++++++++++++++++-----------
 mail/em-folder-utils.c      |   26 +++++++++++++++++++++++++-
 3 files changed, 42 insertions(+), 18 deletions(-)
---
diff --git a/mail/e-mail-store.c b/mail/e-mail-store.c
index 3a7c27e..873c47d 100644
--- a/mail/e-mail-store.c
+++ b/mail/e-mail-store.c
@@ -159,18 +159,12 @@ mail_store_add (EMailSession *session,
 {
 	EMFolderTreeModel *default_model;
 	MailFolderCache *folder_cache;
-	CamelProvider *provider;
 	StoreInfo *store_info;
 
 	g_return_if_fail (store_table != NULL);
 	g_return_if_fail (store != NULL);
 	g_return_if_fail (CAMEL_IS_STORE (store));
 
-	provider = camel_service_get_provider (CAMEL_SERVICE (store));
-
-	g_return_if_fail (
-		(provider->flags & CAMEL_PROVIDER_IS_STORAGE) != 0);
-
 	default_model = em_folder_tree_model_get_default ();
 	folder_cache = e_mail_session_get_folder_cache (session);
 
diff --git a/mail/em-folder-tree-model.c b/mail/em-folder-tree-model.c
index 295d9d0..1b79ca9 100644
--- a/mail/em-folder-tree-model.c
+++ b/mail/em-folder-tree-model.c
@@ -205,7 +205,6 @@ account_changed_cb (EAccountList *accounts,
                     EMFolderTreeModel *model)
 {
 	EMailSession *session;
-	CamelProvider *provider;
 	CamelService *service;
 
 	session = em_folder_tree_model_get_session (model);
@@ -222,12 +221,6 @@ account_changed_cb (EAccountList *accounts,
 	if (!account->enabled)
 		return;
 
-	/* make sure the new store belongs in the tree */
-	provider = camel_service_get_provider (service);
-	if (!(provider->flags & CAMEL_PROVIDER_IS_STORAGE) ||
-	    em_utils_is_local_delivery_mbox_file (camel_service_get_camel_url (service)))
-		return;
-
 	em_folder_tree_model_add_store (model, CAMEL_STORE (service));
 }
 
@@ -1012,6 +1005,7 @@ em_folder_tree_model_add_store (EMFolderTreeModel *model,
 	GtkTreeIter root, iter;
 	GtkTreePath *path;
 	CamelService *service;
+	CamelProvider *provider;
 	CamelURL *service_url;
 	const gchar *display_name;
 	gchar *uri;
@@ -1021,14 +1015,26 @@ em_folder_tree_model_add_store (EMFolderTreeModel *model,
 
 	tree_store = GTK_TREE_STORE (model);
 
-	si = em_folder_tree_model_lookup_store_info (model, store);
-	if (si != NULL)
-		em_folder_tree_model_remove_store (model, store);
-
 	service = CAMEL_SERVICE (store);
+	provider = camel_service_get_provider (service);
 	service_url = camel_service_get_camel_url (service);
 	display_name = camel_service_get_display_name (service);
 
+	/* Ignore stores that should not be added to the tree model. */
+
+	if (provider == NULL)
+		return;
+
+	if ((provider->flags & CAMEL_PROVIDER_IS_STORAGE) == 0)
+		return;
+
+	if (em_utils_is_local_delivery_mbox_file (service_url))
+		return;
+
+	si = em_folder_tree_model_lookup_store_info (model, store);
+	if (si != NULL)
+		em_folder_tree_model_remove_store (model, store);
+
 	uri = camel_url_to_string (service_url, CAMEL_URL_HIDE_ALL);
 
 	/* Add the store to the tree. */
diff --git a/mail/em-folder-utils.c b/mail/em-folder-utils.c
index 1ac8b33..346bd97 100644
--- a/mail/em-folder-utils.c
+++ b/mail/em-folder-utils.c
@@ -553,20 +553,44 @@ em_folder_utils_create_folder (GtkWindow *parent,
 	CamelStore *store = NULL;
 	gchar *folder_name = NULL;
 	GtkWidget *dialog;
+	GList *list, *link;
 	GError *error = NULL;
 
 	g_return_if_fail (GTK_IS_WINDOW (parent));
 	g_return_if_fail (E_IS_MAIL_BACKEND (backend));
 
+	model = em_folder_tree_model_new ();
 	session = e_mail_backend_get_session (backend);
+	em_folder_tree_model_set_session (model, session);
 
-	model = em_folder_tree_model_get_default ();
+	list = camel_session_list_services (CAMEL_SESSION (session));
+
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		CamelService *service;
+		CamelStore *store;
+
+		service = CAMEL_SERVICE (link->data);
+
+		if (!CAMEL_IS_STORE (service))
+			continue;
+
+		store = CAMEL_STORE (service);
+
+		if ((store->flags & CAMEL_STORE_CAN_EDIT_FOLDERS) == 0)
+			continue;
+
+		em_folder_tree_model_add_store (model, store);
+	}
+
+	g_list_free (list);
 
 	dialog = em_folder_selector_create_new (
 		parent, backend, model, 0,
 		_("Create Folder"),
 		_("Specify where to create the folder:"));
 
+	g_object_unref (model);
+
 	selector = EM_FOLDER_SELECTOR (dialog);
 	folder_tree = em_folder_selector_get_folder_tree (selector);