[gnome-photos/wip/rishi/edit-mode: 1/10] preview-view: Use a switch for enums instead of if-else

[Debarshi Ray <debarshir src gnome org>]

commit 47340d243ed40bdd6c07a5845013aff24c1343b9
Author: Debarshi Ray <debarshir gnome org>
Date:   Thu May 7 09:04:12 2015 +0200

    preview-view: Use a switch for enums instead of if-else
    
    Using a switch statement lets the compiler warn us through
    -Wswitch-enum whenever we extend the enumeration range. An if-else
    block does not do that.

 src/photos-preview-view.c |   19 +++++++++++++++++--
 1 files changed, 17 insertions(+), 2 deletions(-)
---
diff --git a/src/photos-preview-view.c b/src/photos-preview-view.c
index b3955bf..852551c 100644
--- a/src/photos-preview-view.c
+++ b/src/photos-preview-view.c
@@ -227,8 +227,23 @@ photos_preview_view_create_view (PhotosPreviewView *self)
 static void
 photos_preview_view_window_mode_changed (PhotosPreviewView *self, PhotosWindowMode mode, PhotosWindowMode 
old_mode)
 {
-  if (mode != PHOTOS_WINDOW_MODE_PREVIEW)
-    photos_preview_nav_buttons_hide (self->priv->nav_buttons);
+  switch (mode)
+    {
+    case PHOTOS_WINDOW_MODE_COLLECTIONS:
+    case PHOTOS_WINDOW_MODE_FAVORITES:
+    case PHOTOS_WINDOW_MODE_OVERVIEW:
+    case PHOTOS_WINDOW_MODE_SEARCH:
+      photos_preview_nav_buttons_hide (self->priv->nav_buttons);
+      break;
+
+    case PHOTOS_WINDOW_MODE_PREVIEW:
+      break;
+
+    case PHOTOS_WINDOW_MODE_NONE:
+    default:
+      g_assert_not_reached ();
+      break;
+    }
 }