Virtualize this.

	* camel-data-wrapper.c (camel_data_wrapper_is_offline): Virtualize
	this.

	* camel-medium.c (is_offline): A medium is offline if its content
	object is offline.

	* camel-multipart.c (is_offline): A multipart is offline if any of
	its subparts are offline.

svn path=/trunk/; revision=12948

1 files changed, 20 insertions, 0 deletions

diff --git a/camel/camel-multipart.c b/camel/camel-multipart.c
index 836297a1c8..076ec3af76 100644
--- a/camel/camel-multipart.c
+++ b/camel/camel-multipart.c
@@ -44,6 +44,7 @@
 
 #define d(x)
 
+static gboolean              is_offline        (CamelDataWrapper *data_wrapper);
 static void                  add_part          (CamelMultipart *multipart,
 						CamelMimePart *part);
 static void                  add_part_at       (CamelMultipart *multipart,
@@ -94,6 +95,7 @@ camel_multipart_class_init (CamelMultipartClass *camel_multipart_class)
 
 	/* virtual method overload */
 	camel_data_wrapper_class->write_to_stream = write_to_stream;
+	camel_data_wrapper_class->is_offline = is_offline;
 }
 
 static void
@@ -414,6 +416,24 @@ camel_multipart_get_boundary (CamelMultipart *multipart)
 	return CMP_CLASS (multipart)->get_boundary (multipart);
 }
 
+static gboolean
+is_offline (CamelDataWrapper *data_wrapper)
+{
+	CamelMultipart *multipart = CAMEL_MULTIPART (data_wrapper);
+	GList *node;
+	CamelDataWrapper *part;
+
+	if (parent_class->is_offline (data_wrapper))
+		return TRUE;
+	for (node = multipart->parts; node; node = node->next) {
+		part = node->data;
+		if (camel_data_wrapper_is_offline (part))
+			return TRUE;
+	}
+
+	return FALSE;
+}
+
 /* this is MIME specific, doesn't belong here really */
 static int
 write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)