Patch: add proper implementation for get/set allow external images in bodystructure

[José Dapena Paz <jdapena igalia com>]

	Hi,

	This patch just adds the proper implementation for get/set allow
external images in bodystructure tinymail implementation (it could lead
to crash using this.

	Changelog entry would be:
* libtininymail-camel/tny-camel-bs-msg.[ch]:
  Added implementation of methods get/set allow external images to avoid
  crashes on code using this if using the bodystructure retrieve
  strategy.

-- 
José Dapena Paz <jdapena igalia com>
Igalia

Index: libtinymail-camel/tny-camel-bs-msg.c
===================================================================
--- libtinymail-camel/tny-camel-bs-msg.c	(revision 3789)
+++ libtinymail-camel/tny-camel-bs-msg.c	(working copy)
@@ -151,6 +151,50 @@
 	return;
 }
 
+static gboolean
+tny_camel_bs_msg_get_allow_external_images_default (TnyMsg *self)
+{
+	TnyCamelBsMsgPriv *priv = TNY_CAMEL_BS_MSG_GET_PRIVATE (self);
+	gboolean allow = FALSE;
+	
+	if (priv->folder && priv->header) {
+		gchar *uid;
+		uid = tny_header_dup_uid (priv->header);
+		allow = _tny_camel_folder_get_allow_external_images (TNY_CAMEL_FOLDER(priv->folder),
+								     uid);
+		g_free (uid);
+	}
+	return allow;
+}
+
+static gboolean
+tny_camel_bs_msg_get_allow_external_images (TnyMsg *self)
+{
+	return TNY_CAMEL_BS_MSG_GET_CLASS (self)->get_allow_external_images (self);
+}
+
+static void
+tny_camel_bs_msg_set_allow_external_images_default (TnyMsg *self, gboolean allow)
+{
+	TnyCamelBsMsgPriv *priv = TNY_CAMEL_BS_MSG_GET_PRIVATE (self);
+
+	if (priv->folder && priv->header) {
+		gchar *uid;
+		uid = tny_header_dup_uid (priv->header);
+		_tny_camel_folder_set_allow_external_images (TNY_CAMEL_FOLDER(priv->folder),
+							     uid, allow);
+		g_free (uid);
+	}
+	return;
+}
+
+static void
+tny_camel_bs_msg_set_allow_external_images (TnyMsg *self, gboolean allow)
+{
+	TNY_CAMEL_BS_MSG_GET_CLASS (self)->set_allow_external_images (self, allow);
+	return;
+}
+
 static TnyHeader*
 tny_camel_bs_msg_get_header_default (TnyMsg *self)
 {
@@ -249,6 +293,8 @@
 	klass->get_url_string= tny_camel_bs_msg_get_url_string;
 	klass->uncache_attachments= tny_camel_bs_msg_uncache_attachments;
 	klass->rewrite_cache= tny_camel_bs_msg_rewrite_cache;
+	klass->get_allow_external_images = tny_camel_bs_msg_get_allow_external_images;
+	klass->set_allow_external_images = tny_camel_bs_msg_set_allow_external_images;
 
 	return;
 }
@@ -266,6 +312,8 @@
 	class->get_url_string= tny_camel_bs_msg_get_url_string_default;
 	class->uncache_attachments= tny_camel_bs_msg_uncache_attachments_default;
 	class->rewrite_cache= tny_camel_bs_msg_rewrite_cache_default;
+	class->get_allow_external_images = tny_camel_bs_msg_get_allow_external_images_default;
+	class->set_allow_external_images = tny_camel_bs_msg_set_allow_external_images_default;
 
 	object_class->finalize = tny_camel_bs_msg_finalize;
 
Index: libtinymail-camel/tny-camel-bs-msg.h
===================================================================
--- libtinymail-camel/tny-camel-bs-msg.h	(revision 3789)
+++ libtinymail-camel/tny-camel-bs-msg.h	(working copy)
@@ -56,6 +56,8 @@
 	gchar* (*get_url_string) (TnyMsg *self);
 	void (*uncache_attachments) (TnyMsg *self);
 	void (*rewrite_cache) (TnyMsg *self);
+	gboolean (*get_allow_external_images) (TnyMsg *self);
+	void (*set_allow_external_images) (TnyMsg *self, gboolean allow);
 };
 
 GType tny_camel_bs_msg_get_type (void);