[epiphany] notebook: Allow to hide the tabs in narrow mode

[Michael Catanzaro <mcatanzaro src gnome org>]

commit ded202f83d9cbb9de20acb8234145be1cc3117c4
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Tue Nov 13 13:48:46 2018 +0100

    notebook: Allow to hide the tabs in narrow mode
    
    This will avoid to have two tabs lists in narrow mode.

 src/ephy-notebook.c | 13 +++++++++++++
 src/ephy-notebook.h |  4 ++++
 2 files changed, 17 insertions(+)
---
diff --git a/src/ephy-notebook.c b/src/ephy-notebook.c
index 798ed8346..c27ac21e8 100644
--- a/src/ephy-notebook.c
+++ b/src/ephy-notebook.c
@@ -48,6 +48,8 @@
 struct _EphyNotebook {
   GtkNotebook parent_instance;
 
+  EphyAdaptiveMode adaptive_mode;
+
   GList *focused_pages;
   guint tabs_vis_notifier_id;
 
@@ -360,6 +362,7 @@ update_tabs_visibility (EphyNotebook *nb,
                                 EPHY_PREFS_UI_TABS_BAR_VISIBILITY_POLICY);
 
   if (mode != EPHY_EMBED_SHELL_MODE_APPLICATION &&
+      nb->adaptive_mode != EPHY_ADAPTIVE_MODE_NARROW &&
       ((policy == EPHY_PREFS_UI_TABS_BAR_VISIBILITY_POLICY_MORE_THAN_ONE && num > 1) ||
         policy == EPHY_PREFS_UI_TABS_BAR_VISIBILITY_POLICY_ALWAYS))
     show_tabs = TRUE;
@@ -1048,3 +1051,13 @@ ephy_notebook_get_pages_menu (EphyNotebook *notebook)
 
   return notebook->tab_menu;
 }
+
+void
+ephy_notebook_set_adaptive_mode (EphyNotebook     *notebook,
+                                 EphyAdaptiveMode  adaptive_mode)
+{
+  g_assert (EPHY_IS_NOTEBOOK (notebook));
+
+  notebook->adaptive_mode = adaptive_mode;
+  update_tabs_visibility (notebook, FALSE);
+}
diff --git a/src/ephy-notebook.h b/src/ephy-notebook.h
index cdd586d52..39fe6a72d 100644
--- a/src/ephy-notebook.h
+++ b/src/ephy-notebook.h
@@ -25,6 +25,7 @@
 #include <glib.h>
 #include <gtk/gtk.h>
 
+#include "ephy-adaptive-mode.h"
 #include "ephy-embed.h"
 
 G_BEGIN_DECLS
@@ -47,4 +48,7 @@ void            ephy_notebook_prev_page         (EphyNotebook *notebook);
 
 GMenu          *ephy_notebook_get_pages_menu    (EphyNotebook *notebook);
 
+void            ephy_notebook_set_adaptive_mode (EphyNotebook     *notebook,
+                                                 EphyAdaptiveMode  adaptive_mode);
+
 G_END_DECLS