[tepl/wip/tab-list] ApplicationWindow: implement the TeplTabList interface

[Sébastien Wilmet <swilmet src gnome org>]

commit 951151652d32f793d813e9d1be765470034096b1
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Jun 24 11:05:16 2017 +0200

    ApplicationWindow: implement the TeplTabList interface

 tepl/tepl-application-window.c |   49 +++++++++++++++++++++++++++++++++++++++-
 1 files changed, 48 insertions(+), 1 deletions(-)
---
diff --git a/tepl/tepl-application-window.c b/tepl/tepl-application-window.c
index d43b23b..8d8cc92 100644
--- a/tepl/tepl-application-window.c
+++ b/tepl/tepl-application-window.c
@@ -62,7 +62,15 @@ enum
 
 static GParamSpec *properties[N_PROPERTIES];
 
-G_DEFINE_TYPE_WITH_PRIVATE (TeplApplicationWindow, tepl_application_window, G_TYPE_OBJECT)
+static void tepl_tab_list_interface_init (gpointer g_iface,
+                                         gpointer iface_data);
+
+G_DEFINE_TYPE_WITH_CODE (TeplApplicationWindow,
+                        tepl_application_window,
+                        G_TYPE_OBJECT,
+                        G_ADD_PRIVATE (TeplApplicationWindow)
+                        G_IMPLEMENT_INTERFACE (TEPL_TYPE_TAB_LIST,
+                                               tepl_tab_list_interface_init))
 
 static void
 tepl_application_window_get_property (GObject    *object,
@@ -168,6 +176,42 @@ tepl_application_window_class_init (TeplApplicationWindowClass *klass)
        g_object_class_install_properties (object_class, N_PROPERTIES, properties);
 }
 
+static GList *
+tepl_application_window_get_tabs (TeplTabList *tab_list)
+{
+       TeplApplicationWindow *tepl_window = TEPL_APPLICATION_WINDOW (tab_list);
+
+       if (tepl_window->priv->tab_list == NULL)
+       {
+               return NULL;
+       }
+
+       return tepl_tab_list_get_tabs (tepl_window->priv->tab_list);
+}
+
+static TeplTab *
+tepl_application_window_get_active_tab (TeplTabList *tab_list)
+{
+       TeplApplicationWindow *tepl_window = TEPL_APPLICATION_WINDOW (tab_list);
+
+       if (tepl_window->priv->tab_list == NULL)
+       {
+               return NULL;
+       }
+
+       return tepl_tab_list_get_active_tab (tepl_window->priv->tab_list);
+}
+
+static void
+tepl_tab_list_interface_init (gpointer g_iface,
+                             gpointer iface_data)
+{
+       TeplTabListInterface *interface = g_iface;
+
+       interface->get_tabs = tepl_application_window_get_tabs;
+       interface->get_active_tab = tepl_application_window_get_active_tab;
+}
+
 static void
 tepl_application_window_init (TeplApplicationWindow *tepl_window)
 {
@@ -233,6 +277,9 @@ tepl_application_window_get_application_window (TeplApplicationWindow *tepl_wind
  * it is not possible to change the #TeplTabList (this restriction may be lifted
  * in the future if there is a compelling use-case).
  *
+ * #TeplApplicationWindow implements the #TeplTabList interface by delegating
+ * the requests to @tab_list.
+ *
  * Since: 3.0
  */
 void