[evolution] Bug #720940 - Always asked to synchronize folders when going offline

[Milan Crha <mcrha src gnome org>]

commit 3c9ff59b23d09bcc3a4d5e8e9a2ee3027d9d6d3d
Author: Milan Crha <mcrha redhat com>
Date:   Wed Feb 5 18:00:25 2014 +0100

    Bug #720940 - Always asked to synchronize folders when going offline

 mail/e-mail-backend.c |   27 ++++++++++++++++++++++++++-
 1 files changed, 26 insertions(+), 1 deletions(-)
---
diff --git a/mail/e-mail-backend.c b/mail/e-mail-backend.c
index 60db3cc..3ea4db8 100644
--- a/mail/e-mail-backend.c
+++ b/mail/e-mail-backend.c
@@ -108,6 +108,30 @@ mail_backend_uri_to_evname (const gchar *uri,
        return filename;
 }
 
+static gboolean
+mail_backend_any_store_requires_downsync (EMailAccountStore *account_store)
+{
+       GQueue queue = G_QUEUE_INIT;
+       gboolean any_requires_downsync = FALSE;
+
+       g_return_val_if_fail (E_IS_MAIL_ACCOUNT_STORE (account_store), FALSE);
+
+       e_mail_account_store_queue_enabled_services (account_store, &queue);
+       while (!g_queue_is_empty (&queue)) {
+               CamelService *service;
+
+               service = g_queue_pop_head (&queue);
+               if (service == NULL)
+                       continue;
+
+               if (CAMEL_IS_OFFLINE_STORE (service))
+                       any_requires_downsync = any_requires_downsync ||
+                               camel_offline_store_requires_downsync (CAMEL_OFFLINE_STORE (service));
+       }
+
+       return any_requires_downsync;
+}
+
 /* Callback for various asynchronous CamelStore operations where
  * the EActivity's reference count is used as a counting semaphore. */
 static void
@@ -157,7 +181,8 @@ mail_backend_prepare_for_offline_cb (EShell *shell,
        if (e_shell_backend_is_started (shell_backend)) {
                gboolean synchronize = FALSE;
 
-               if (e_shell_get_network_available (shell))
+               if (e_shell_get_network_available (shell) &&
+                   mail_backend_any_store_requires_downsync (account_store))
                        synchronize = em_utils_prompt_user (
                                window, NULL, "mail:ask-quick-offline", NULL);