theme: move get_current and set_current to libmetacity

1 files changed, 63 insertions, 0 deletions

diff --git a/libmetacity/meta-theme.c b/libmetacity/meta-theme.c
index ef88cdcd..66eb8549 100644
--- a/libmetacity/meta-theme.c
+++ b/libmetacity/meta-theme.c
@@ -17,6 +17,7 @@
 
 #include "config.h"
 
+#include <glib/gi18n-lib.h>
 #include <string.h>
 
 #include "meta-enum-types.h"
@@ -595,3 +596,65 @@ meta_theme_draw_frame (MetaTheme              *theme,
                                                        mini_icon,
                                                        icon);
 }
+
+/**
+ * The current theme. (Themes are singleton.)
+ */
+static MetaTheme *meta_current_theme = NULL;
+
+MetaTheme*
+meta_theme_get_current (void)
+{
+  return meta_current_theme;
+}
+
+void
+meta_theme_set_current (const gchar                *name,
+                        gboolean                    force_reload,
+                        gboolean                    composited,
+                        const PangoFontDescription *titlebar_font)
+{
+  MetaTheme *new_theme;
+  GError *error;
+
+  g_debug ("Setting current theme to '%s'", name);
+
+  if (!force_reload && meta_current_theme)
+    {
+      gchar *theme_name;
+
+      theme_name = meta_theme_get_name (meta_current_theme);
+      if (g_strcmp0 (name, theme_name) == 0)
+        {
+          g_free (theme_name);
+          return;
+        }
+
+      g_free (theme_name);
+    }
+
+  if (name != NULL && strcmp (name, "") != 0)
+    new_theme = meta_theme_new (META_THEME_TYPE_METACITY);
+  else
+    new_theme = meta_theme_new (META_THEME_TYPE_GTK);
+
+  meta_theme_set_composited (new_theme, composited);
+  meta_theme_set_titlebar_font (new_theme, titlebar_font);
+
+  error = NULL;
+  if (!meta_theme_load (new_theme, name, &error))
+    {
+      g_warning (_("Failed to load theme '%s': %s"), name, error->message);
+      g_error_free (error);
+
+      g_object_unref (new_theme);
+    }
+  else
+    {
+      if (meta_current_theme)
+        g_object_unref (meta_current_theme);
+      meta_current_theme = new_theme;
+
+      g_debug ("New theme is '%s'", name);
+    }
+}