[gnome-photos/wip/rishi/zoom: 5/10] preview-view: Disable the navigation buttons when zoomed in

[Debarshi Ray <debarshir src gnome org>]

commit a3a50f3c79198d6bca512178f60d1a9335d09a6d
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Jun 14 23:50:46 2017 +0200

    preview-view: Disable the navigation buttons when zoomed in
    
    https://bugzilla.gnome.org/show_bug.cgi?id=742662

 src/photos-preview-view.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/photos-preview-view.c b/src/photos-preview-view.c
index 180b6e7..cb9041b 100644
--- a/src/photos-preview-view.c
+++ b/src/photos-preview-view.c
@@ -848,6 +848,7 @@ photos_preview_view_zoom_best_fit (PhotosPreviewView *self)
   photos_image_view_set_best_fit (PHOTOS_IMAGE_VIEW (view), TRUE);
   g_simple_action_set_enabled (G_SIMPLE_ACTION (self->zoom_best_fit_action), FALSE);
   g_simple_action_set_enabled (G_SIMPLE_ACTION (self->zoom_out_action), FALSE);
+  photos_preview_nav_buttons_set_show_navigation (self->nav_buttons, TRUE);
 }
 
 
@@ -888,6 +889,7 @@ photos_preview_view_zoom_in (PhotosPreviewView *self, GVariant *parameter)
 
   g_simple_action_set_enabled (G_SIMPLE_ACTION (self->zoom_best_fit_action), TRUE);
   g_simple_action_set_enabled (G_SIMPLE_ACTION (self->zoom_out_action), TRUE);
+  photos_preview_nav_buttons_set_show_navigation (self->nav_buttons, FALSE);
 }
 
 
@@ -926,6 +928,7 @@ photos_preview_view_zoom_out (PhotosPreviewView *self, GVariant *parameter)
       photos_image_view_set_best_fit (PHOTOS_IMAGE_VIEW (view), TRUE);
       g_simple_action_set_enabled (G_SIMPLE_ACTION (self->zoom_best_fit_action), FALSE);
       g_simple_action_set_enabled (G_SIMPLE_ACTION (self->zoom_out_action), FALSE);
+      photos_preview_nav_buttons_set_show_navigation (self->nav_buttons, TRUE);
     }
   else
     {