[evolution-data-server/gnome-3-26] Bug 788848 - [IMAPx] Enhance which folders are refreshed on NOTIFY notices

[Milan Crha <mcrha src gnome org>]

commit c3c2c5bf28b3b49fd21ff109ca633be44e835969
Author: Milan Crha <mcrha redhat com>
Date:   Thu Oct 12 14:55:19 2017 +0200

    Bug 788848 - [IMAPx] Enhance which folders are refreshed on NOTIFY notices

 src/camel/providers/imapx/camel-imapx-server.c |   62 +++++++++++++++++++++++-
 1 files changed, 61 insertions(+), 1 deletions(-)
---
diff --git a/src/camel/providers/imapx/camel-imapx-server.c b/src/camel/providers/imapx/camel-imapx-server.c
index a7ae865..955711d 100644
--- a/src/camel/providers/imapx/camel-imapx-server.c
+++ b/src/camel/providers/imapx/camel-imapx-server.c
@@ -1660,6 +1660,65 @@ exit:
 }
 
 static gboolean
+imapx_can_refresh_mailbox_in_idle (CamelIMAPXServer *imapx_server,
+                                  CamelIMAPXStore *imapx_store,
+                                  CamelIMAPXMailbox *mailbox)
+{
+       CamelIMAPXSettings *imapx_settings;
+       gboolean can_refresh = FALSE;
+
+       g_return_val_if_fail (CAMEL_IS_IMAPX_SERVER (imapx_server), FALSE);
+       g_return_val_if_fail (CAMEL_IS_IMAPX_STORE (imapx_store), FALSE);
+       g_return_val_if_fail (CAMEL_IS_IMAPX_MAILBOX (mailbox), FALSE);
+
+       if (camel_imapx_mailbox_is_inbox (camel_imapx_mailbox_get_name (mailbox)))
+               return TRUE;
+
+       imapx_settings = camel_imapx_server_ref_settings (imapx_server);
+
+       if (camel_imapx_settings_get_use_subscriptions (imapx_settings)) {
+               can_refresh = camel_imapx_mailbox_has_attribute (mailbox, CAMEL_IMAPX_LIST_ATTR_SUBSCRIBED);
+       } else if (camel_imapx_settings_get_check_all (imapx_settings)) {
+               can_refresh = TRUE;
+       } else if (camel_imapx_settings_get_check_subscribed (imapx_settings)) {
+               can_refresh = camel_imapx_mailbox_has_attribute (mailbox, CAMEL_IMAPX_LIST_ATTR_SUBSCRIBED);
+       }
+
+       if (!can_refresh &&
+           !camel_imapx_settings_get_use_subscriptions (imapx_settings)) {
+               /* Refresh opened folders when viewing both subscribed and unsubscribed,
+                  even if they would not be refreshed otherwise. */
+               gchar *folder_path;
+
+               can_refresh = FALSE;
+
+               folder_path = camel_imapx_mailbox_dup_folder_path (mailbox);
+               if (folder_path) {
+                       GPtrArray *opened_folders = camel_store_dup_opened_folders (CAMEL_STORE 
(imapx_store));
+
+                       if (opened_folders) {
+                               gint ii;
+
+                               for (ii = 0; !can_refresh && ii < opened_folders->len; ii++) {
+                                       CamelFolder *folder = g_ptr_array_index (opened_folders, ii);
+
+                                       can_refresh = g_strcmp0 (camel_folder_get_full_name (folder), 
folder_path) == 0;
+                               }
+
+                               g_ptr_array_foreach (opened_folders, (GFunc) g_object_unref, NULL);
+                               g_ptr_array_free (opened_folders, TRUE);
+                       }
+               }
+
+               g_free (folder_path);
+       }
+
+       g_clear_object (&imapx_settings);
+
+       return can_refresh;
+}
+
+static gboolean
 imapx_untagged_status (CamelIMAPXServer *is,
                        GInputStream *input_stream,
                        GCancellable *cancellable,
@@ -1687,7 +1746,8 @@ imapx_untagged_status (CamelIMAPXServer *is,
                camel_imapx_mailbox_handle_status_response (mailbox, response);
                camel_imapx_store_emit_mailbox_updated (imapx_store, mailbox);
 
-               if (camel_imapx_server_is_in_idle (is))
+               if (camel_imapx_server_is_in_idle (is) &&
+                   imapx_can_refresh_mailbox_in_idle (is, imapx_store, mailbox))
                        g_signal_emit (is, signals[REFRESH_MAILBOX], 0, mailbox);
 
                g_object_unref (mailbox);