Set the disconnected status. (camel_disco_store_can_work_offline): Return

	* camel-disco-store.c (camel_disco_set_status): Set the
	disconnected status.
	(camel_disco_store_can_work_offline): Return whether or not a
	given CamelDiscoStore can work offline or not.

	* camel-disco-folder.c (camel_disco_folder_cache_message):
	Explicitly tell a folder to cache a message. (Better than using
	get_message, because for IMAP that doesn't guarantee you'll get
	all the message parts.)
	(camel_disco_folder_prepare_for_offline): Prepare a folder for
	offline use by caching all messages meeting given search criteria
	(and doing anything else the particular folder implementation
	needs).

	* camel-session.c (camel_session_set_online,
	camel_session_is_online): A session-wide online/offline toggle.
	(camel_session_init): Set online to TRUE.

	* providers/imap/camel-imap-store.c (can_work_offline):
	Implementation of CamelDiscoStore::can_work_offline. (Checks that
	the store has been used online at least once.)
	(imap_get_folder_online, imap_get_folder_offline): Deal with
	request for "inbox" properly. ("Don't you mean... 'INBOX'?").

	* providers/imap/camel-imap-folder.c (imap_cache_message):
	Implementation of CamelDiscoFolder::cache_message.

	* camel.h: Add camel-disco-store.h and camel-disco-folder.h

svn path=/trunk/; revision=9738

2 files changed, 36 insertions, 1 deletions

diff --git a/camel/providers/imap/camel-imap-folder.c b/camel/providers/imap/camel-imap-folder.c
index d0828ccac9..852280127a 100644
--- a/camel/providers/imap/camel-imap-folder.c
+++ b/camel/providers/imap/camel-imap-folder.c
@@ -73,6 +73,7 @@ static void imap_sync_offline (CamelFolder *folder, CamelException *ex);
 static const char *imap_get_full_name (CamelFolder *folder);
 static void imap_expunge_uids_online (CamelFolder *folder, GPtrArray *uids, CamelException *ex);
 static void imap_expunge_uids_offline (CamelFolder *folder, GPtrArray *uids, CamelException *ex);
+static void imap_cache_message (CamelDiscoFolder *disco_folder, const char *uid, CamelException *ex);
 
 /* message manipulation */
 static CamelMimeMessage *imap_get_message (CamelFolder *folder, const gchar *uid,
@@ -118,6 +119,7 @@ camel_imap_folder_class_init (CamelImapFolderClass *camel_imap_folder_class)
 	camel_disco_folder_class->append_offline = imap_append_offline;
 	camel_disco_folder_class->copy_online = imap_copy_online;
 	camel_disco_folder_class->copy_offline = imap_copy_offline;
+	camel_disco_folder_class->cache_message = imap_cache_message;
 }
 
 static void
@@ -1081,6 +1083,18 @@ imap_get_message (CamelFolder *folder, const char *uid, CamelException *ex)
 }
 
 static void
+imap_cache_message (CamelDiscoFolder *disco_folder, const char *uid,
+		    CamelException *ex)
+{
+	CamelImapFolder *imap_folder = CAMEL_IMAP_FOLDER (disco_folder);
+	CamelStream *stream;
+
+	stream = camel_imap_folder_fetch_data (imap_folder, uid, "", FALSE, ex);
+	if (stream)
+		camel_object_unref (CAMEL_OBJECT (stream));
+}
+
+static void
 imap_update_summary (CamelFolder *folder,
 		     CamelFolderChangeInfo *changes,
 		     CamelException *ex)
diff --git a/camel/providers/imap/camel-imap-store.c b/camel/providers/imap/camel-imap-store.c
index 74f420fe41..bcdfc9f935 100644
--- a/camel/providers/imap/camel-imap-store.c
+++ b/camel/providers/imap/camel-imap-store.c
@@ -63,6 +63,7 @@ static char imap_tag_prefix = 'A';
 static void construct (CamelService *service, CamelSession *session,
 		       CamelProvider *provider, CamelURL *url,
 		       CamelException *ex);
+static gboolean can_work_offline (CamelDiscoStore *disco_store);
 static gboolean imap_connect_online (CamelService *service, CamelException *ex);
 static gboolean imap_connect_offline (CamelService *service, CamelException *ex);
 static gboolean imap_disconnect_online (CamelService *service, gboolean clean, CamelException *ex);
@@ -117,6 +118,7 @@ camel_imap_store_class_init (CamelImapStoreClass *camel_imap_store_class)
 
 	camel_remote_store_class->keepalive = imap_keepalive;
 
+	camel_disco_store_class->can_work_offline = can_work_offline;
 	camel_disco_store_class->connect_online = imap_connect_online;
 	camel_disco_store_class->connect_offline = imap_connect_offline;
 	camel_disco_store_class->disconnect_online = imap_disconnect_online;
@@ -539,6 +541,19 @@ imap_auth_loop (CamelService *service, CamelException *ex)
 #define IMAP_STOREINFO_VERSION 1
 
 static gboolean
+can_work_offline (CamelDiscoStore *disco_store)
+{
+	CamelImapStore *store = CAMEL_IMAP_STORE (disco_store);
+	char *path;
+	gboolean can;
+
+	path = g_strdup_printf ("%s/storeinfo", store->storage_path);
+	can = access (path, F_OK) == 0;
+	g_free (path);
+	return can;
+}
+
+static gboolean
 imap_connect_online (CamelService *service, CamelException *ex)
 {
 	CamelImapStore *store = CAMEL_IMAP_STORE (service);
@@ -751,11 +766,11 @@ imap_disconnect_online (CamelService *service, gboolean clean, CamelException *e
 	CamelImapStore *store = CAMEL_IMAP_STORE (service);
 	CamelImapResponse *response;
 	
-	imap_disconnect_offline (service, clean, ex);
 	if (store->connected && clean) {
 		response = camel_imap_command (store, NULL, ex, "LOGOUT");
 		camel_imap_response_free (store, response);
 	}
+	imap_disconnect_offline (service, clean, ex);
 
 	return TRUE;
 }
@@ -801,6 +816,9 @@ get_folder_online (CamelStore *store, const char *folder_name,
 	if (!camel_remote_store_connected (CAMEL_REMOTE_STORE (store), ex))
 		return NULL;
 
+	if (!g_strcasecmp (folder_name, "INBOX"))
+		folder_name = "INBOX";
+
 	/* Lock around the whole lot to check/create atomically */
 	CAMEL_IMAP_STORE_LOCK (imap_store, command_lock);
 	if (imap_store->current_folder) {
@@ -858,6 +876,9 @@ get_folder_offline (CamelStore *store, const char *folder_name,
 	    !camel_service_connect (CAMEL_SERVICE (store), ex))
 		return NULL;
 
+	if (!g_strcasecmp (folder_name, "INBOX"))
+		folder_name = "INBOX";
+
 	folder_dir = e_path_to_physical (imap_store->storage_path, folder_name);
 	if (access (folder_dir, F_OK) != 0)
 		return no_such_folder (folder_name, ex);