[gnome-builder/document-manager] GbDocument: add vfunc to create a tab for the document

[Christian Hergert <chergert src gnome org>]

commit bfa3fd837e376689e6b7b7a8551577dfb28efb2f
Author: Christian Hergert <christian hergert me>
Date:   Thu Dec 4 11:26:14 2014 -0800

    GbDocument: add vfunc to create a tab for the document

 src/documents/gb-document.c |    8 ++++++++
 src/documents/gb-document.h |    4 +++-
 2 files changed, 11 insertions(+), 1 deletions(-)
---
diff --git a/src/documents/gb-document.c b/src/documents/gb-document.c
index a66282e..0528a42 100644
--- a/src/documents/gb-document.c
+++ b/src/documents/gb-document.c
@@ -47,6 +47,14 @@ gb_document_get_title (GbDocument *document)
   return GB_DOCUMENT_GET_INTERFACE (document)->get_title (document);
 }
 
+GbTab *
+gb_document_create_tab (GbDocument *document)
+{
+  g_return_val_if_fail (GB_IS_DOCUMENT (document), NULL);
+
+  return GB_DOCUMENT_GET_INTERFACE (document)->create_tab (document);
+}
+
 static void
 gb_document_default_init (GbDocumentInterface *iface)
 {
diff --git a/src/documents/gb-document.h b/src/documents/gb-document.h
index 219ef81..f572dac 100644
--- a/src/documents/gb-document.h
+++ b/src/documents/gb-document.h
@@ -19,7 +19,7 @@
 #ifndef GB_DOCUMENT_H
 #define GB_DOCUMENT_H
 
-#include <glib-object.h>
+#include "gb-tab.h"
 
 G_BEGIN_DECLS
 
@@ -37,11 +37,13 @@ struct _GbDocumentInterface
 
   gboolean     (*get_can_save) (GbDocument *document);
   const gchar *(*get_title)    (GbDocument *document);
+  GbTab       *(*create_tab)   (GbDocument *document);
 };
 
 GType        gb_document_get_type     (void) G_GNUC_CONST;
 gboolean     gb_document_get_can_save (GbDocument *document);
 const gchar *gb_document_get_title    (GbDocument *document);
+GbTab       *gb_document_create_tab   (GbDocument *document);
 
 G_END_DECLS