[evolution-data-server/gnome-3-26] Bug 790887 - [IMAPx] Folder '[Gmail]' hidden after start

[Milan Crha <mcrha src gnome org>]

commit 27c7bacef11d105af54af8fadce3c6a71c636378
Author: Milan Crha <mcrha redhat com>
Date:   Mon Nov 27 18:13:13 2017 +0100

    Bug 790887 - [IMAPx] Folder '[Gmail]' hidden after start

 src/camel/providers/imapx/camel-imapx-store.c |   37 +++++++++++++++++++++++-
 1 files changed, 35 insertions(+), 2 deletions(-)
---
diff --git a/src/camel/providers/imapx/camel-imapx-store.c b/src/camel/providers/imapx/camel-imapx-store.c
index 32b7e45..721be3c 100644
--- a/src/camel/providers/imapx/camel-imapx-store.c
+++ b/src/camel/providers/imapx/camel-imapx-store.c
@@ -554,6 +554,39 @@ imapx_store_mailbox_attributes_to_flags (CamelIMAPXMailbox *mailbox)
        return store_info_flags;
 }
 
+static CamelFolderInfo *
+get_folder_info_offline (CamelStore *store,
+                        const gchar *top,
+                        CamelStoreGetFolderInfoFlags flags,
+                        GCancellable *cancellable,
+                        GError **error);
+
+static gboolean
+imapx_store_mailbox_has_children (CamelIMAPXStore *imapx_store,
+                                 CamelIMAPXMailbox *mailbox)
+{
+       CamelFolderInfo *fi;
+       gchar *folder_path;
+       gboolean has_children;
+
+       g_return_val_if_fail (CAMEL_IS_IMAPX_STORE (imapx_store), FALSE);
+       g_return_val_if_fail (CAMEL_IS_IMAPX_MAILBOX (mailbox), FALSE);
+
+       folder_path = camel_imapx_mailbox_dup_folder_path (mailbox);
+       if (!folder_path)
+               return FALSE;
+
+       fi = get_folder_info_offline (CAMEL_STORE (imapx_store), folder_path, 
CAMEL_STORE_FOLDER_INFO_RECURSIVE | CAMEL_STORE_FOLDER_INFO_NO_VIRTUAL, NULL, NULL);
+
+       has_children = fi && fi->child;
+
+       if (fi)
+               camel_folder_info_free (fi);
+       g_free (folder_path);
+
+       return has_children;
+}
+
 static void
 imapx_store_process_mailbox_attributes (CamelIMAPXStore *store,
                                         CamelIMAPXMailbox *mailbox,
@@ -641,7 +674,7 @@ imapx_store_process_mailbox_attributes (CamelIMAPXStore *store,
                }
                if (!mailbox_is_subscribed && mailbox_was_subscribed)
                        emit_folder_unsubscribed_deleted = TRUE;
-               if (mailbox_is_nonexistent && mailbox_was_subscribed)
+               if (mailbox_is_nonexistent && mailbox_was_subscribed && !mailbox_is_subscribed)
                        emit_folder_unsubscribed_deleted = TRUE;
        } else {
                if (!mailbox_is_nonexistent) {
@@ -651,7 +684,7 @@ imapx_store_process_mailbox_attributes (CamelIMAPXStore *store,
                                emit_folder_created_subscribed = TRUE;
                        }
                }
-               if (mailbox_is_nonexistent && mailbox_was_in_summary)
+               if (mailbox_is_nonexistent && mailbox_was_in_summary && !imapx_store_mailbox_has_children 
(store, mailbox))
                        emit_folder_unsubscribed_deleted = TRUE;
        }