If the folder is frozen, don't refresh, just record that we need to do it

	* providers/imap/camel-imap-folder.c (imap_refresh_info): If the
	folder is frozen, don't refresh, just record that we need to do it
	later.
	(imap_append_online): If the APPEND doesn't trigger an immediate
	EXISTS response (because the folder isn't the selected folder, or
	because the server doesn't do that until the next command), call
	imap_refresh_info on the folder.
	(imap_copy_online): Likewise. (Replacing the unconditional NOOP
	that was there before, which absolutely killed filter performance
	by forcing the IMAP provider to switch back and forth between
	folders after every copy or move.)
	(imap_thaw): If the folder needs a refresh, do it.

	* camel-folder.c (camel_folder_is_frozen): New method

svn path=/trunk/; revision=10565

1 files changed, 40 insertions, 4 deletions

diff --git a/camel/providers/imap/camel-imap-folder.c b/camel/providers/imap/camel-imap-folder.c
index bf839a47eb..beb9ec2740 100644
--- a/camel/providers/imap/camel-imap-folder.c
+++ b/camel/providers/imap/camel-imap-folder.c
@@ -100,6 +100,8 @@ static void imap_move_messages_to (CamelFolder *source, GPtrArray *uids,
 static GPtrArray *imap_search_by_expression (CamelFolder *folder, const char *expression, CamelException *ex);
 static void       imap_search_free          (CamelFolder *folder, GPtrArray *uids);
 
+static void imap_thaw (CamelFolder *folder);
+
 GData *parse_fetch_response (CamelImapFolder *imap_folder, char *msg_att);
 
 static void
@@ -116,6 +118,7 @@ camel_imap_folder_class_init (CamelImapFolderClass *camel_imap_folder_class)
 	camel_folder_class->move_messages_to = imap_move_messages_to;
 	camel_folder_class->search_by_expression = imap_search_by_expression;
 	camel_folder_class->search_free = imap_search_free;
+	camel_folder_class->thaw = imap_thaw;
 
 	camel_disco_folder_class->refresh_info_online = imap_refresh_info;
 	camel_disco_folder_class->sync_online = imap_sync_online;
@@ -371,6 +374,11 @@ imap_refresh_info (CamelFolder *folder, CamelException *ex)
 	if (camel_disco_store_status (CAMEL_DISCO_STORE (imap_store)) == CAMEL_DISCO_STORE_OFFLINE)
 		return;
 
+	if (camel_folder_is_frozen (folder)) {
+		imap_folder->need_refresh = TRUE;
+		return;
+	}
+
 	/* If the folder isn't selected, select it (which will force
 	 * a rescan if one is needed.
 	 */
@@ -935,6 +943,8 @@ do_append (CamelFolder *folder, CamelMimeMessage *message,
 	g_byte_array_append (ba, "\0", 3);
 	response = camel_imap_command_continuation (store, ex, ba->data);
 	g_byte_array_free (ba, TRUE);
+	if (!response)
+		return response;
 
 	if (store->capabilities & IMAP_CAPABILITY_UIDPLUS) {
 		*uid = strstrcase (response->status, "[APPENDUID ");
@@ -961,7 +971,9 @@ imap_append_online (CamelFolder *folder, CamelMimeMessage *message,
 	CamelImapStore *store = CAMEL_IMAP_STORE (folder->parent_store);
 	CamelImapResponse *response;
 	char *uid;
+	int count;
 
+	count = camel_folder_summary_count (folder->summary);
 	response = do_append (folder, message, info, &uid, ex);
 	if (!response)
 		return;
@@ -979,6 +991,11 @@ imap_append_online (CamelFolder *folder, CamelMimeMessage *message,
 	}
 
 	camel_imap_response_free (store, response);
+
+	/* Make sure a "folder_changed" is emitted. */
+	if (store->current_folder != folder ||
+	    camel_folder_summary_count (folder->summary) == count)
+		imap_refresh_info (folder, ex);
 }
 
 static void
@@ -1142,21 +1159,24 @@ imap_copy_online (CamelFolder *source, GPtrArray *uids,
 		  CamelFolder *destination, CamelException *ex)
 {
 	CamelImapStore *store = CAMEL_IMAP_STORE (source->parent_store);
-	CamelImapResponse *response;
+	int count;
 
 	/* Sync message flags if needed. */
 	imap_sync_online (source, ex);
 	if (camel_exception_is_set (ex))
 		return;
 
+	count = camel_folder_summary_count (destination->summary);
+
 	/* Now copy the messages */
 	do_copy (source, uids, destination, ex);
 	if (camel_exception_is_set (ex))
 		return;
 
-	/* Force the destination folder to notice its new messages. */
-	response = camel_imap_command (store, destination, NULL, "NOOP");
-	camel_imap_response_free (store, response);
+	/* Make the destination notice its new messages */
+	if (store->current_folder != destination ||
+	    camel_folder_summary_count (destination->summary) == count)
+		camel_folder_refresh_info (destination, ex);
 }
 
 static void
@@ -1652,6 +1672,22 @@ camel_imap_folder_changed (CamelFolder *folder, int exists,
 	camel_folder_summary_save (folder->summary);
 }
 
+static void
+imap_thaw (CamelFolder *folder)
+{
+	CamelImapFolder *imap_folder;
+
+	CAMEL_FOLDER_CLASS (disco_folder_class)->thaw (folder);
+	if (camel_folder_is_frozen (folder))
+		return;
+
+	imap_folder = CAMEL_IMAP_FOLDER (folder);
+	if (imap_folder->need_refresh) {
+		imap_folder->need_refresh = FALSE;
+		imap_refresh_info (folder, NULL);
+	}
+}
+
 
 CamelStream *
 camel_imap_folder_fetch_data (CamelImapFolder *imap_folder, const char *uid,