[evolution] Bug 613639 - Evolution hard codes .gnome2

[Matthew Barnes <mbarnes src gnome org>]

commit aba12c7f7872706afcbb05e7f089e17fef132d7a
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue Mar 23 10:22:44 2010 -0400

    Bug 613639 - Evolution hard codes .gnome2

 doc/reference/shell/eshell-sections.txt   |    1 +
 e-util/e-util.c                           |   27 ++++++++++++++++++++++++++-
 e-util/e-util.h                           |    1 +
 widgets/misc/e-attachment-handler-image.c |   11 ++++-------
 4 files changed, 32 insertions(+), 8 deletions(-)
---
diff --git a/doc/reference/shell/eshell-sections.txt b/doc/reference/shell/eshell-sections.txt
index 0fba5ee..8ec35fe 100644
--- a/doc/reference/shell/eshell-sections.txt
+++ b/doc/reference/shell/eshell-sections.txt
@@ -645,6 +645,7 @@ e_run_signature_script
 <FILE>e-util</FILE>
 <TITLE>Miscellaneous Utilities</TITLE>
 e_get_user_data_dir
+e_get_gnome_user_dir
 e_get_accels_filename
 e_show_uri
 e_display_help
diff --git a/e-util/e-util.c b/e-util/e-util.c
index 46404e6..48f2689 100644
--- a/e-util/e-util.c
+++ b/e-util/e-util.c
@@ -80,6 +80,31 @@ e_get_user_data_dir (void)
 }
 
 /**
+ * e_get_gnome2_user_dir:
+ *
+ * Returns the base directory for user data, according to libgnome.
+ * The directory can be overridden by setting the GNOME22_USER_DIR
+ * environment variable.  The string is owned by Evolution and must
+ * not be modified or freed.
+ *
+ * Returns: base directory for GNOME user data
+ **/
+const gchar *
+e_get_gnome2_user_dir (void)
+{
+	static gchar *dirname = NULL;
+
+	if (G_UNLIKELY (dirname == NULL)) {
+		dirname = g_strdup (g_getenv ("GNOME22_USER_DIR"));
+		if (dirname == NULL)
+			dirname = g_build_filename (
+				g_get_home_dir (), ".gnome2", NULL);
+	}
+
+	return dirname;
+}
+
+/**
  * e_get_accels_filename:
  *
  * Returns the name of the user data file containing custom keyboard
@@ -99,7 +124,7 @@ e_get_accels_filename (void)
 
 	if (G_UNLIKELY (filename == NULL))
 		filename = g_build_filename (
-			g_get_home_dir (), ".gnome2",
+			e_get_gnome2_user_dir (),
 			"accels", PACKAGE, NULL);
 
 	return filename;
diff --git a/e-util/e-util.h b/e-util/e-util.h
index 887cc20..7d58a8a 100644
--- a/e-util/e-util.h
+++ b/e-util/e-util.h
@@ -49,6 +49,7 @@ typedef enum {
 typedef void (*ETypeFunc) (GType type, gpointer user_data);
 
 const gchar *	e_get_user_data_dir		(void);
+const gchar *	e_get_gnome2_user_dir		(void);
 const gchar *	e_get_accels_filename		(void);
 void		e_show_uri			(GtkWindow *parent,
 						 const gchar *uri);
diff --git a/widgets/misc/e-attachment-handler-image.c b/widgets/misc/e-attachment-handler-image.c
index d9d87d9..770b1c5 100644
--- a/widgets/misc/e-attachment-handler-image.c
+++ b/widgets/misc/e-attachment-handler-image.c
@@ -24,6 +24,8 @@
 #include <glib/gi18n.h>
 #include <gconf/gconf-client.h>
 
+#include <e-util/e-util.h>
+
 #define E_ATTACHMENT_HANDLER_IMAGE_GET_PRIVATE(obj) \
 	(G_TYPE_INSTANCE_GET_PRIVATE \
 	((obj), E_TYPE_ATTACHMENT_HANDLER_IMAGE, EAttachmentHandlerImagePrivate))
@@ -115,7 +117,6 @@ action_image_set_as_background_cb (GtkAction *action,
 	EAttachment *attachment;
 	GFile *destination;
 	GList *selected;
-	const gchar *override;
 	gchar *path;
 
 	view = e_attachment_handler_get_view (handler);
@@ -124,12 +125,8 @@ action_image_set_as_background_cb (GtkAction *action,
 	attachment = E_ATTACHMENT (selected->data);
 
 	/* Save the image under ~/.gnome2/wallpapers/. */
-	override = g_getenv ("GNOME22_USER_DIR");
-	if (override != NULL)
-		path = g_build_filename (override, "wallpapers", NULL);
-	else
-		path = g_build_filename (
-			g_get_home_dir (), ".gnome2", "wallpapers", NULL);
+	path = g_build_filename (
+		e_get_gnome2_user_dir (), "wallpapers", NULL);
 	destination = g_file_new_for_path (path);
 	g_mkdir_with_parents (path, 0755);
 	g_free (path);